Merge branch 'development-after-rebase' into 'development'

chore(REBASE): Development with SSO

See merge request mbugroup/lti-api!40

internal/common/repository/common.approval.repository..go

@@ -0,0 +1,106 @@
+package repository
+
+import (
+	"context"
+	"errors"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type ApprovalRepository interface {
+	BaseRepository[entity.Approval]
+	FindByTarget(ctx context.Context, workflow string, approvableID uint, modifier func(*gorm.DB) *gorm.DB) ([]entity.Approval, error)
+	LatestByTarget(ctx context.Context, workflow string, approvableID uint, modifier func(*gorm.DB) *gorm.DB) (*entity.Approval, error)
+	LatestByTargets(ctx context.Context, workflow string, approvableIDs []uint, modifier func(*gorm.DB) *gorm.DB) (map[uint]entity.Approval, error)
+}
+
+type approvalRepositoryImpl struct {
+	*BaseRepositoryImpl[entity.Approval]
+}
+
+func NewApprovalRepository(db *gorm.DB) ApprovalRepository {
+	return &approvalRepositoryImpl{
+		BaseRepositoryImpl: NewBaseRepository[entity.Approval](db),
+	}
+}
+
+func (r *approvalRepositoryImpl) FindByTarget(
+	ctx context.Context,
+	workflow string,
+	approvableID uint,
+	modifier func(*gorm.DB) *gorm.DB,
+) ([]entity.Approval, error) {
+	var approvals []entity.Approval
+
+	q := r.DB().WithContext(ctx).Where("approvable_type = ? AND approvable_id = ?", workflow, approvableID)
+	if modifier != nil {
+		q = modifier(q)
+	}
+
+	if err := q.Order("action_at ASC").Find(&approvals).Error; err != nil {
+		return nil, err
+	}
+	return approvals, nil
+}
+
+func (r *approvalRepositoryImpl) LatestByTarget(
+	ctx context.Context,
+	workflow string,
+	approvableID uint,
+	modifier func(*gorm.DB) *gorm.DB,
+) (*entity.Approval, error) {
+	var approval entity.Approval
+
+	q := r.DB().WithContext(ctx).
+		Where("approvable_type = ? AND approvable_id = ?", workflow, approvableID).
+		Order("action_at DESC")
+
+	if modifier != nil {
+		q = modifier(q)
+	}
+
+	if err := q.Limit(1).First(&approval).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, err
+	}
+
+	return &approval, nil
+}
+
+func (r *approvalRepositoryImpl) LatestByTargets(
+	ctx context.Context,
+	workflow string,
+	approvableIDs []uint,
+	modifier func(*gorm.DB) *gorm.DB,
+) (map[uint]entity.Approval, error) {
+	if len(approvableIDs) == 0 {
+		return nil, nil
+	}
+
+	result := make(map[uint]entity.Approval, len(approvableIDs))
+
+	q := r.DB().WithContext(ctx).
+		Where("approvable_type = ? AND approvable_id IN ?", workflow, approvableIDs).
+		Order("action_at DESC")
+
+	if modifier != nil {
+		q = modifier(q)
+	}
+
+	var approvals []entity.Approval
+	if err := q.Find(&approvals).Error; err != nil {
+		return nil, err
+	}
+
+	for _, approval := range approvals {
+		if _, exists := result[approval.ApprovableId]; exists {
+			continue
+		}
+		result[approval.ApprovableId] = approval
+	}
+
+	return result, nil
+}

internal/common/service/common.approval.service.go

@@ -0,0 +1,234 @@
+package service
+
+import (
+	"context"
+	"strings"
+
+	commonRepo "gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	approvalutils "gitlab.com/mbugroup/lti-api.git/internal/utils/approvals"
+	"gorm.io/gorm"
+)
+
+type ApprovalService interface {
+	RegisterWorkflowSteps(workflow approvalutils.ApprovalWorkflowKey, steps map[approvalutils.ApprovalStep]string) error
+	WorkflowSteps(workflow approvalutils.ApprovalWorkflowKey) map[approvalutils.ApprovalStep]string
+	WorkflowStepName(workflow approvalutils.ApprovalWorkflowKey, step approvalutils.ApprovalStep) (string, bool)
+	CreateApproval(ctx context.Context, workflow approvalutils.ApprovalWorkflowKey, approvableID uint, step approvalutils.ApprovalStep, action *entity.ApprovalAction, actorID uint, note *string) (*entity.Approval, error)
+	List(ctx context.Context, module string, approvableID *uint, page, limit int, search string) ([]entity.Approval, int64, error)
+	ListByTarget(ctx context.Context, workflow approvalutils.ApprovalWorkflowKey, approvableID uint, modifier func(*gorm.DB) *gorm.DB) ([]entity.Approval, error)
+	LatestByTarget(ctx context.Context, workflow approvalutils.ApprovalWorkflowKey, approvableID uint, modifier func(*gorm.DB) *gorm.DB) (*entity.Approval, error)
+	LatestByTargets(ctx context.Context, workflow approvalutils.ApprovalWorkflowKey, approvableIDs []uint, modifier func(*gorm.DB) *gorm.DB) (map[uint]*entity.Approval, error)
+}
+
+type approvalService struct {
+	repo commonRepo.ApprovalRepository
+}
+
+func NewApprovalService(repo commonRepo.ApprovalRepository) ApprovalService {
+	return &approvalService{repo: repo}
+}
+
+func (s *approvalService) RegisterWorkflowSteps(workflow approvalutils.ApprovalWorkflowKey, steps map[approvalutils.ApprovalStep]string) error {
+	return approvalutils.RegisterWorkflowSteps(workflow, steps)
+}
+
+func (s *approvalService) WorkflowSteps(workflow approvalutils.ApprovalWorkflowKey) map[approvalutils.ApprovalStep]string {
+	return approvalutils.WorkflowSteps(workflow)
+}
+
+func (s *approvalService) WorkflowStepName(workflow approvalutils.ApprovalWorkflowKey, step approvalutils.ApprovalStep) (string, bool) {
+	return approvalutils.ApprovalStepName(workflow, step)
+}
+
+func (s *approvalService) CreateApproval(
+	ctx context.Context,
+	workflow approvalutils.ApprovalWorkflowKey,
+	approvableID uint,
+	step approvalutils.ApprovalStep,
+	action *entity.ApprovalAction,
+	actorID uint,
+	note *string,
+) (*entity.Approval, error) {
+	record, err := approvalutils.NewApproval(workflow, approvableID, step, action, actorID, note)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := s.repo.CreateOne(ctx, record, nil); err != nil {
+		return nil, err
+	}
+
+	s.decorateApproval(workflow, record)
+
+	return record, nil
+}
+
+func (s *approvalService) List(
+	ctx context.Context,
+	module string,
+	approvableID *uint,
+	page, limit int,
+	search string,
+) ([]entity.Approval, int64, error) {
+	module = strings.TrimSpace(strings.ToUpper(module))
+	search = strings.TrimSpace(search)
+
+	if limit <= 0 {
+		limit = 10
+	}
+	if page <= 0 {
+		page = 1
+	}
+
+	offset := (page - 1) * limit
+
+	records, total, err := s.repo.GetAll(
+		ctx,
+		offset,
+		limit,
+		func(db *gorm.DB) *gorm.DB {
+			query := db.
+				Where("approvable_type = ?", module).
+				Order("action_at DESC").
+				Preload("ActionUser")
+
+			if approvableID != nil {
+				query = query.Where("approvable_id = ?", *approvableID)
+			}
+
+			if search != "" {
+				like := "%" + strings.ToLower(search) + "%"
+				query = query.Where("(LOWER(step_name) LIKE ? OR LOWER(action) LIKE ? OR LOWER(notes) LIKE ?)", like, like, like)
+			}
+
+			return query
+		},
+	)
+	if err != nil {
+		if s.isApprovalTableMissing(err) {
+			return nil, 0, nil
+		}
+		return nil, 0, err
+	}
+	if len(records) == 0 {
+		return nil, total, nil
+	}
+
+	workflow := approvalutils.ApprovalWorkflowKey(module)
+	for i := range records {
+		s.decorateApproval(workflow, &records[i])
+	}
+
+	return records, total, nil
+}
+
+func (s *approvalService) ListByTarget(
+	ctx context.Context,
+	workflow approvalutils.ApprovalWorkflowKey,
+	approvableID uint,
+	modifier func(*gorm.DB) *gorm.DB,
+) ([]entity.Approval, error) {
+	records, err := s.repo.FindByTarget(ctx, workflow.String(), approvableID, modifier)
+	if err != nil {
+		if s.isApprovalTableMissing(err) {
+			return nil, nil
+		}
+		return nil, err
+	}
+
+	for i := range records {
+		s.decorateApproval(workflow, &records[i])
+	}
+
+	return records, nil
+}
+
+func (s *approvalService) LatestByTarget(
+	ctx context.Context,
+	workflow approvalutils.ApprovalWorkflowKey,
+	approvableID uint,
+	modifier func(*gorm.DB) *gorm.DB,
+) (*entity.Approval, error) {
+	record, err := s.repo.LatestByTarget(ctx, workflow.String(), approvableID, modifier)
+	if err != nil {
+		if s.isApprovalTableMissing(err) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	if record == nil {
+		return nil, nil
+	}
+	s.decorateApproval(workflow, record)
+	return record, nil
+}
+
+func (s *approvalService) LatestByTargets(
+	ctx context.Context,
+	workflow approvalutils.ApprovalWorkflowKey,
+	approvableIDs []uint,
+	modifier func(*gorm.DB) *gorm.DB,
+) (map[uint]*entity.Approval, error) {
+	records, err := s.repo.LatestByTargets(ctx, workflow.String(), approvableIDs, modifier)
+	if err != nil {
+		if s.isApprovalTableMissing(err) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	if len(records) == 0 {
+		return nil, nil
+	}
+
+	result := make(map[uint]*entity.Approval, len(records))
+	for approvableID, approval := range records {
+		approvalCopy := approval
+		s.decorateApproval(workflow, &approvalCopy)
+		result[approvableID] = &approvalCopy
+	}
+
+	return result, nil
+}
+
+func (s *approvalService) decorateApproval(workflow approvalutils.ApprovalWorkflowKey, approval *entity.Approval) {
+	if approval == nil {
+		return
+	}
+	currentName := strings.TrimSpace(approval.StepName)
+	if currentName == "" {
+		if name, ok := approvalutils.ApprovalStepName(workflow, approvalutils.ApprovalStep(approval.StepNumber)); ok {
+			approval.StepName = name
+		}
+	} else {
+		approval.StepName = currentName
+	}
+}
+
+func (s *approvalService) isApprovalTableMissing(err error) bool {
+	if err == nil {
+		return false
+	}
+
+	errMsg := strings.ToLower(err.Error())
+
+	if strings.Contains(errMsg, "no such table: approvals") {
+		return true
+	}
+
+	schemaIssues := []string{
+		`relation "approvals" does not exist`,
+		`column "step_name" does not exist`,
+		`column "step_number" does not exist`,
+		`column "action" does not exist`,
+		`column "status" does not exist`,
+		`column "step" does not exist`,
+	}
+	for _, issue := range schemaIssues {
+		if strings.Contains(errMsg, issue) {
+			return true
+		}
+	}
+
+	return false
+}

internal/database/migrations/20250925040409_create_master_tables.down.sql

@@ -1,4 +1,9 @@
-
+DROP TABLE IF EXISTS stock_logs;
+DROP INDEX IF EXISTS idx_product_warehouses_unique;
+DROP INDEX IF EXISTS idx_product_warehouses_deleted_at;
+DROP INDEX IF EXISTS idx_product_warehouses_warehouse_id;
+DROP INDEX IF EXISTS idx_product_warehouses_product_id;
+DROP TABLE IF EXISTS product_warehouses;
 DROP TABLE IF EXISTS fcr_standards;
 DROP INDEX IF EXISTS suppliers_name_unique;
 DROP TABLE IF EXISTS product_suppliers;
@@ -35,4 +40,4 @@ DROP TABLE IF EXISTS fcrs;
 DROP TABLE IF EXISTS projects;
 DROP INDEX IF EXISTS users_id_user_unique;
 DROP INDEX IF EXISTS users_email_unique;
-DROP TABLE IF EXISTS users;
+DROP TABLE IF EXISTS users;

internal/database/migrations/20250925040409_create_master_tables.up.sql

@@ -1,12 +1,12 @@
 -- USERS
 CREATE TABLE users (
-  id BIGSERIAL PRIMARY KEY,
-  id_user BIGINT NOT NULL,
-  name VARCHAR NOT NULL,
-  email VARCHAR NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ
+    id BIGSERIAL PRIMARY KEY,
+    id_user BIGINT NOT NULL,
+    name VARCHAR NOT NULL,
+    email VARCHAR NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
 );
 
 CREATE UNIQUE INDEX users_id_user_unique ON users (id_user) WHERE deleted_at IS NULL;
@@ -15,221 +15,319 @@ CREATE UNIQUE INDEX users_email_unique ON users (email) WHERE deleted_at IS NULL
 
 -- FLAGS
 CREATE TABLE flags (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  flagable_id BIGINT NOT NULL,
-  flagable_type VARCHAR(50) NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW()
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    flagable_id BIGINT NOT NULL,
+    flagable_type VARCHAR(50) NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW()
+);
+
+CREATE UNIQUE INDEX flags_unique_flagable ON flags (
+    name,
+    flagable_id,
+    flagable_type
 );
 
-CREATE UNIQUE INDEX flags_unique_flagable ON flags (name, flagable_id, flagable_type);
 CREATE INDEX flags_flagable_lookup ON flags (flagable_type, flagable_id);
 
 -- PRODUCT CATEGORIES
 CREATE TABLE product_categories (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  code VARCHAR(10) NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    code VARCHAR(10) NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX product_categories_name_unique ON product_categories (name) WHERE deleted_at IS NULL;
-CREATE UNIQUE INDEX product_categories_code_unique ON product_categories (code) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX product_categories_name_unique ON product_categories (name)
+WHERE
+    deleted_at IS NULL;
+
+CREATE UNIQUE INDEX product_categories_code_unique ON product_categories (code)
+WHERE
+    deleted_at IS NULL;
 
 -- UOM
 CREATE TABLE uoms (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX uoms_name_unique ON uoms (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX uoms_name_unique ON uoms (name)
+WHERE
+    deleted_at IS NULL;
 
 -- BANKS
 CREATE TABLE banks (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  alias VARCHAR(5) NOT NULL,
-  owner VARCHAR,
-  account_number VARCHAR(50) NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    alias VARCHAR(5) NOT NULL,
+    owner VARCHAR,
+    account_number VARCHAR(50) NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX banks_name_unique ON banks (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX banks_name_unique ON banks (name)
+WHERE
+    deleted_at IS NULL;
 
 -- AREAS
 CREATE TABLE areas (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX areas_name_unique ON areas (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX areas_name_unique ON areas (name)
+WHERE
+    deleted_at IS NULL;
 
 -- LOCATIONS
 CREATE TABLE locations (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  address TEXT NOT NULL,
-  area_id BIGINT NOT NULL REFERENCES areas(id) ON DELETE RESTRICT ON UPDATE CASCADE,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    address TEXT NOT NULL,
+    area_id BIGINT NOT NULL REFERENCES areas (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX locations_name_unique ON locations (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX locations_name_unique ON locations (name)
+WHERE
+    deleted_at IS NULL;
 
 -- KANDANG
 CREATE TABLE kandangs (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  location_id BIGINT NOT NULL REFERENCES locations(id) ON DELETE RESTRICT ON UPDATE CASCADE,
-  pic_id BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    location_id BIGINT NOT NULL REFERENCES locations (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    pic_id BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX kandangs_name_unique ON kandangs (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX kandangs_name_unique ON kandangs (name)
+WHERE
+    deleted_at IS NULL;
 
 -- WAREHOUSES
 CREATE TABLE warehouses (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  type VARCHAR(50) NOT NULL,
-  area_id BIGINT NOT NULL REFERENCES areas(id) ON DELETE RESTRICT ON UPDATE CASCADE,
-  location_id BIGINT REFERENCES locations(id) ON DELETE SET NULL ON UPDATE CASCADE,
-  kandang_id BIGINT REFERENCES kandangs(id) ON DELETE SET NULL ON UPDATE CASCADE,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    type VARCHAR(50) NOT NULL,
+    area_id BIGINT NOT NULL REFERENCES areas (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    location_id BIGINT REFERENCES locations (id) ON DELETE SET NULL ON UPDATE CASCADE,
+    kandang_id BIGINT REFERENCES kandangs (id) ON DELETE SET NULL ON UPDATE CASCADE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX warehouses_name_unique ON warehouses (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX warehouses_name_unique ON warehouses (name)
+WHERE
+    deleted_at IS NULL;
 
 -- CUSTOMERS
 CREATE TABLE customers (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  pic_id BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE,
-  type VARCHAR(50) NOT NULL,
-  address TEXT NOT NULL,
-  phone VARCHAR(20) NOT NULL,
-  email VARCHAR NOT NULL,
-  account_number VARCHAR(50) NOT NULL,
-  balance NUMERIC(15,3) DEFAULT 0,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    pic_id BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE,
+    type VARCHAR(50) NOT NULL,
+    address TEXT NOT NULL,
+    phone VARCHAR(20) NOT NULL,
+    email VARCHAR NOT NULL,
+    account_number VARCHAR(50) NOT NULL,
+    balance NUMERIC(15, 3) DEFAULT 0,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX customers_name_unique ON customers (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX customers_name_unique ON customers (name)
+WHERE
+    deleted_at IS NULL;
 
 -- NONSTOCK
 CREATE TABLE nonstocks (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  uom_id BIGINT NOT NULL REFERENCES uoms(id) ON DELETE RESTRICT ON UPDATE CASCADE,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    uom_id BIGINT NOT NULL REFERENCES uoms (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX nonstocks_name_unique ON nonstocks (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX nonstocks_name_unique ON nonstocks (name)
+WHERE
+    deleted_at IS NULL;
 
 -- FCR
 CREATE TABLE fcrs (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX fcrs_name_unique ON fcrs (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX fcrs_name_unique ON fcrs (name)
+WHERE
+    deleted_at IS NULL;
 
 CREATE TABLE fcr_standards (
-  id BIGSERIAL PRIMARY KEY,
-  fcr_id BIGINT NOT NULL REFERENCES fcrs(id) ON DELETE CASCADE ON UPDATE CASCADE,
-  weight NUMERIC(15,3) NOT NULL,
-  fcr_number NUMERIC(15,3) NOT NULL,
-  mortality NUMERIC(15,3) NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ
+    id BIGSERIAL PRIMARY KEY,
+    fcr_id BIGINT NOT NULL REFERENCES fcrs (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    weight NUMERIC(15, 3) NOT NULL,
+    fcr_number NUMERIC(15, 3) NOT NULL,
+    mortality NUMERIC(15, 3) NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
 );
 
 -- SUPPLIERS
 CREATE TABLE suppliers (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  alias VARCHAR(5) NOT NULL,
-  pic VARCHAR NOT NULL,
-  type VARCHAR(50) NOT NULL,
-  category VARCHAR(20) NOT NULL,
-  hatchery VARCHAR,
-  phone VARCHAR(20) NOT NULL,
-  email VARCHAR NOT NULL,
-  address TEXT NOT NULL,
-  npwp VARCHAR(50),
-  account_number VARCHAR(50),
-  balance NUMERIC(15,3) DEFAULT 0,
-  due_date INT NOT NULL,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    alias VARCHAR(5) NOT NULL,
+    pic VARCHAR NOT NULL,
+    type VARCHAR(50) NOT NULL,
+    category VARCHAR(20) NOT NULL,
+    hatchery VARCHAR,
+    phone VARCHAR(20) NOT NULL,
+    email VARCHAR NOT NULL,
+    address TEXT NOT NULL,
+    npwp VARCHAR(50),
+    account_number VARCHAR(50),
+    balance NUMERIC(15, 3) DEFAULT 0,
+    due_date INT NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX suppliers_name_unique ON suppliers (name) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX suppliers_name_unique ON suppliers (name)
+WHERE
+    deleted_at IS NULL;
 
 CREATE TABLE nonstock_suppliers (
-  nonstock_id BIGINT NOT NULL REFERENCES nonstocks(id) ON DELETE CASCADE ON UPDATE CASCADE,
-  supplier_id BIGINT NOT NULL REFERENCES suppliers(id) ON DELETE CASCADE ON UPDATE CASCADE,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  PRIMARY KEY (nonstock_id, supplier_id)
+    nonstock_id BIGINT NOT NULL REFERENCES nonstocks (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    supplier_id BIGINT NOT NULL REFERENCES suppliers (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    PRIMARY KEY (nonstock_id, supplier_id)
 );
 
 -- PRODUCTS
 CREATE TABLE products (
-  id BIGSERIAL PRIMARY KEY,
-  name VARCHAR NOT NULL,
-  brand VARCHAR NOT NULL,
-  sku VARCHAR(100),
-  uom_id BIGINT NOT NULL REFERENCES uoms(id) ON DELETE RESTRICT ON UPDATE CASCADE,
-  product_category_id BIGINT NOT NULL REFERENCES product_categories(id) ON DELETE RESTRICT ON UPDATE CASCADE,
-  product_price NUMERIC(15,3) NOT NULL,
-  selling_price NUMERIC(15,3),
-  tax NUMERIC(15,3),
-  expiry_period INT,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    brand VARCHAR NOT NULL,
+    sku VARCHAR(100),
+    uom_id BIGINT NOT NULL REFERENCES uoms (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    product_category_id BIGINT NOT NULL REFERENCES product_categories (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    product_price NUMERIC(15, 3) NOT NULL,
+    selling_price NUMERIC(15, 3),
+    tax NUMERIC(15, 3),
+    expiry_period INT,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
-CREATE UNIQUE INDEX products_name_unique ON products (name) WHERE deleted_at IS NULL;
-CREATE UNIQUE INDEX products_sku_unique ON products (sku) WHERE deleted_at IS NULL;
+
+CREATE UNIQUE INDEX products_name_unique ON products (name)
+WHERE
+    deleted_at IS NULL;
+
+CREATE UNIQUE INDEX products_sku_unique ON products (sku)
+WHERE
+    deleted_at IS NULL;
 
 CREATE TABLE product_suppliers (
-  product_id BIGINT NOT NULL REFERENCES products(id) ON DELETE CASCADE ON UPDATE CASCADE,
-  supplier_id BIGINT NOT NULL REFERENCES suppliers(id) ON DELETE CASCADE ON UPDATE CASCADE,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  PRIMARY KEY (product_id, supplier_id)
+    product_id BIGINT NOT NULL REFERENCES products (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    supplier_id BIGINT NOT NULL REFERENCES suppliers (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    PRIMARY KEY (product_id, supplier_id)
 );
 
 -- PROJECTS
 CREATE TABLE projects (
-  id BIGSERIAL PRIMARY KEY,
-  created_at TIMESTAMPTZ DEFAULT NOW(),
-  updated_at TIMESTAMPTZ DEFAULT NOW(),
-  deleted_at TIMESTAMPTZ,
-  created_by BIGINT REFERENCES users(id) ON DELETE SET NULL ON UPDATE CASCADE
+    id BIGSERIAL PRIMARY KEY,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
 );
+
+-- PRODUCT WAREHOUSES TABLE
+CREATE TABLE product_warehouses (
+    id BIGSERIAL PRIMARY KEY,
+    product_id BIGINT NOT NULL REFERENCES products (id),
+    warehouse_id BIGINT NOT NULL REFERENCES warehouses (id),
+    quantity INTEGER NOT NULL DEFAULT 0,
+    created_by BIGINT NOT NULL REFERENCES users (id),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- INDEXES
+CREATE INDEX idx_product_warehouses_product_id ON product_warehouses (product_id);
+
+CREATE INDEX idx_product_warehouses_warehouse_id ON product_warehouses (warehouse_id);
+
+CREATE INDEX idx_product_warehouses_deleted_at ON product_warehouses (deleted_at);
+
+CREATE UNIQUE INDEX idx_product_warehouses_unique ON product_warehouses (product_id, warehouse_id)
+WHERE
+    deleted_at IS NULL;
+
+-- STOCK LOGS
+CREATE TABLE stock_logs (
+    id BIGSERIAL PRIMARY KEY,
+    transaction_type VARCHAR(20) NOT NULL,
+    quantity NUMERIC(15, 3) NOT NULL,
+    before_quantity NUMERIC(15, 3) NOT NULL,
+    after_quantity NUMERIC(15, 3) NOT NULL,
+    log_type VARCHAR(50) NOT NULL,
+    log_id BIGINT,
+    note TEXT,
+    product_warehouse_id BIGINT NOT NULL REFERENCES product_warehouses (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    created_by BIGINT NOT NULL REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- Create indexes for better performance
+CREATE INDEX stock_logs_product_warehouse_id_idx ON stock_logs (product_warehouse_id);
+
+CREATE INDEX stock_logs_log_type_log_id_idx ON stock_logs (log_type, log_id);
+
+CREATE INDEX stock_logs_created_by_idx ON stock_logs (created_by);
+
+CREATE INDEX stock_logs_created_at_idx ON stock_logs (created_at);
+
+CREATE INDEX stock_logs_deleted_at_idx ON stock_logs (deleted_at);

internal/database/migrations/20251014024355_create_stock_transfers.down.sql

@@ -0,0 +1,4 @@
+-- DROP TABLE: STOCK_TRANSFERS DAN SEQUENCE-NYA
+DROP TABLE IF EXISTS stock_transfers CASCADE;
+
+DROP SEQUENCE IF EXISTS stock_transfer_seq CASCADE;

internal/database/migrations/20251014024355_create_stock_transfers.up.sql

@@ -0,0 +1,57 @@
+-- ===============================================================
+--  STOCK TRANSFERS (HEADER)
+-- ===============================================================
+
+CREATE SEQUENCE IF NOT EXISTS stock_transfer_seq START 1;
+
+CREATE TABLE IF NOT EXISTS stock_transfers (
+    id BIGSERIAL PRIMARY KEY,
+    movement_number VARCHAR(50) UNIQUE NOT NULL,
+    from_warehouse_id BIGINT NOT NULL,
+    to_warehouse_id BIGINT NOT NULL,
+    area_id BIGINT,
+    reason TEXT,
+    transfer_date DATE NOT NULL,
+    created_by BIGINT,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- FOREIGN KEYS (dijalankan setelah semua tabel parent ada)
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'warehouses') THEN
+        ALTER TABLE stock_transfers
+            ADD CONSTRAINT fk_stock_transfers_from_warehouse
+            FOREIGN KEY (from_warehouse_id)
+            REFERENCES warehouses(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+        ALTER TABLE stock_transfers
+            ADD CONSTRAINT fk_stock_transfers_to_warehouse
+            FOREIGN KEY (to_warehouse_id)
+            REFERENCES warehouses(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'areas') THEN
+        ALTER TABLE stock_transfers
+            ADD CONSTRAINT fk_stock_transfers_area
+            FOREIGN KEY (area_id)
+            REFERENCES areas(id)
+            ON DELETE SET NULL ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+        ALTER TABLE stock_transfers
+            ADD CONSTRAINT fk_stock_transfers_created_by
+            FOREIGN KEY (created_by)
+            REFERENCES users(id)
+            ON DELETE SET NULL ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_stock_transfers_from_warehouse_id ON stock_transfers(from_warehouse_id);
+CREATE INDEX IF NOT EXISTS idx_stock_transfers_to_warehouse_id   ON stock_transfers(to_warehouse_id);
+CREATE INDEX IF NOT EXISTS idx_stock_transfers_transfer_date     ON stock_transfers(transfer_date);

internal/database/migrations/20251014024642_create_stock_transfer_details.down.sql

@@ -0,0 +1,2 @@
+-- DROP TABLE: STOCK_TRANSFER_DETAILS
+DROP TABLE IF EXISTS stock_transfer_details CASCADE;

internal/database/migrations/20251014024642_create_stock_transfer_details.up.sql

@@ -0,0 +1,48 @@
+-- ===============================================================
+--  STOCK TRANSFER DETAILS (PRODUK)
+-- ===============================================================
+
+CREATE TABLE IF NOT EXISTS stock_transfer_details (
+    id BIGSERIAL PRIMARY KEY,
+    stock_transfer_id BIGINT NOT NULL,
+    product_id BIGINT NOT NULL,
+    quantity NUMERIC(15, 3) NOT NULL CHECK (quantity > 0),
+    before_quantity NUMERIC(15, 3),
+    after_quantity NUMERIC(15, 3),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- ===============================================================
+--  FOREIGN KEYS (dengan pengecekan tabel agar anti gagal)
+-- ===============================================================
+
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'stock_transfers') THEN
+        EXECUTE
+        'ALTER TABLE stock_transfer_details
+         ADD CONSTRAINT fk_stock_transfer_details_transfer
+         FOREIGN KEY (stock_transfer_id)
+         REFERENCES stock_transfers(id)
+         ON DELETE CASCADE ON UPDATE CASCADE';
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'products') THEN
+        EXECUTE
+        'ALTER TABLE stock_transfer_details
+         ADD CONSTRAINT fk_stock_transfer_details_product
+         FOREIGN KEY (product_id)
+         REFERENCES products(id)
+         ON DELETE RESTRICT ON UPDATE CASCADE';
+    END IF;
+END $$;
+
+-- ===============================================================
+--  INDEXES
+-- ===============================================================
+
+CREATE INDEX IF NOT EXISTS idx_stock_transfer_details_transfer_id ON stock_transfer_details (stock_transfer_id);
+
+CREATE INDEX IF NOT EXISTS idx_stock_transfer_details_product_id ON stock_transfer_details (product_id);

internal/database/migrations/20251014024656_create_stock_transfer_deliveries.down.sql

@@ -0,0 +1,2 @@
+-- DROP TABLE: STOCK_TRANSFER_DELIVERIES
+DROP TABLE IF EXISTS stock_transfer_deliveries CASCADE;

internal/database/migrations/20251014024656_create_stock_transfer_deliveries.up.sql

@@ -0,0 +1,42 @@
+-- ===============================================================
+--  STOCK TRANSFER DELIVERIES (EKSPEDISI)
+-- ===============================================================
+
+CREATE TABLE IF NOT EXISTS stock_transfer_deliveries (
+    id BIGSERIAL PRIMARY KEY,
+    stock_transfer_id BIGINT NOT NULL,
+    supplier_id BIGINT,
+    vehicle_plate VARCHAR(20),
+    driver_name VARCHAR(100),
+    document_number VARCHAR(50),
+    document_path TEXT,
+    shipping_cost_item NUMERIC(15,3),
+    shipping_cost_total NUMERIC(15,3),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- FOREIGN KEYS
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'stock_transfers') THEN
+        ALTER TABLE stock_transfer_deliveries
+            ADD CONSTRAINT fk_stock_transfer_deliveries_transfer
+            FOREIGN KEY (stock_transfer_id)
+            REFERENCES stock_transfers(id)
+            ON DELETE CASCADE ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'suppliers') THEN
+        ALTER TABLE stock_transfer_deliveries
+            ADD CONSTRAINT fk_stock_transfer_deliveries_supplier
+            FOREIGN KEY (supplier_id)
+            REFERENCES suppliers(id)
+            ON DELETE SET NULL ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_stock_transfer_deliveries_transfer_id ON stock_transfer_deliveries(stock_transfer_id);
+CREATE INDEX IF NOT EXISTS idx_stock_transfer_deliveries_supplier_id ON stock_transfer_deliveries(supplier_id);

internal/database/migrations/20251014024702_create_stock_transfer_delivery_items.down.sql

@@ -0,0 +1,2 @@
+-- DROP PIVOT TABLE: STOCK_TRANSFER_DELIVERY_ITEMS
+DROP TABLE IF EXISTS stock_transfer_delivery_items CASCADE;

internal/database/migrations/20251014024702_create_stock_transfer_delivery_items.up.sql

@@ -0,0 +1,35 @@
+-- ===============================================================
+--  STOCK TRANSFER DELIVERY ITEMS (PIVOT)
+-- ===============================================================
+
+CREATE TABLE IF NOT EXISTS stock_transfer_delivery_items (
+    id BIGSERIAL PRIMARY KEY,
+    stock_transfer_delivery_id BIGINT NOT NULL,
+    stock_transfer_detail_id BIGINT NOT NULL,
+    quantity NUMERIC(15, 3) NOT NULL CHECK (quantity > 0)
+);
+
+-- FOREIGN KEYS
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'stock_transfer_deliveries') THEN
+        ALTER TABLE stock_transfer_delivery_items
+            ADD CONSTRAINT fk_delivery_items_delivery
+            FOREIGN KEY (stock_transfer_delivery_id)
+            REFERENCES stock_transfer_deliveries(id)
+            ON DELETE CASCADE ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'stock_transfer_details') THEN
+        ALTER TABLE stock_transfer_delivery_items
+            ADD CONSTRAINT fk_delivery_items_detail
+            FOREIGN KEY (stock_transfer_detail_id)
+            REFERENCES stock_transfer_details(id)
+            ON DELETE CASCADE ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_stock_transfer_delivery_items_delivery_id ON stock_transfer_delivery_items (stock_transfer_delivery_id);
+
+CREATE INDEX IF NOT EXISTS idx_stock_transfer_delivery_items_detail_id ON stock_transfer_delivery_items (stock_transfer_detail_id);

internal/database/migrations/20251015063107_add_status_kandangs_table.down.sql

@@ -0,0 +1,2 @@
+ALTER TABLE kandangs
+    DROP COLUMN IF EXISTS status;

internal/database/migrations/20251015063107_add_status_kandangs_table.up.sql

@@ -0,0 +1,9 @@
+ALTER TABLE kandangs
+    ADD COLUMN status VARCHAR(20);
+
+UPDATE kandangs
+SET status = 'NON_ACTIVE'  
+WHERE status IS NULL;
+
+ALTER TABLE kandangs
+    ALTER COLUMN status SET NOT NULL;

internal/database/migrations/20251015065815_add_flocs_table.down.sql

@@ -0,0 +1,6 @@
+ALTER TABLE kandangs
+    DROP COLUMN IF EXISTS project_flock_id;
+
+DROP TABLE IF EXISTS project_flocks;
+
+DROP TABLE IF EXISTS flocks;

internal/database/migrations/20251015065815_add_flocs_table.up.sql

@@ -0,0 +1,29 @@
+CREATE TABLE flocks (
+    id BIGSERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+CREATE UNIQUE INDEX flocks_name_unique ON flocks (name)
+WHERE
+    deleted_at IS NULL;
+
+CREATE TABLE project_flocks (
+    id BIGSERIAL PRIMARY KEY,
+    flock_id BIGINT NOT NULL REFERENCES flocks (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    area_id BIGINT NOT NULL REFERENCES areas (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    product_category_id BIGINT NOT NULL REFERENCES product_categories (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    fcr_id BIGINT NOT NULL REFERENCES fcrs (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    location_id BIGINT NOT NULL REFERENCES locations (id) ON DELETE RESTRICT ON UPDATE CASCADE,
+    period INT NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    updated_at TIMESTAMPTZ DEFAULT NOW(),
+    deleted_at TIMESTAMPTZ,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+ALTER TABLE kandangs
+    ADD COLUMN project_flock_id BIGINT REFERENCES project_flocks (id) ON DELETE SET NULL ON UPDATE CASCADE;

internal/database/migrations/20251015162158_create_approvals_table.down.sql

@@ -0,0 +1,2 @@
+DROP INDEX IF EXISTS approvals_approvable_lookup;
+DROP TABLE IF EXISTS approvals;

internal/database/migrations/20251015162158_create_approvals_table.up.sql

@@ -0,0 +1,12 @@
+CREATE TABLE approvals (
+    id BIGSERIAL PRIMARY KEY,
+    approvable_type VARCHAR(50) NOT NULL,
+    approvable_id BIGINT NOT NULL,
+    step SMALLINT NOT NULL,
+    status VARCHAR(20) NOT NULL,
+    notes TEXT,
+    created_at TIMESTAMPTZ DEFAULT NOW() NOT NULL,
+    action_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+CREATE INDEX approvals_approvable_lookup ON approvals (approvable_type, approvable_id);

internal/database/migrations/20251017071755_rename_approval_status_to_action.down.sql

@@ -0,0 +1,18 @@
+ALTER TABLE approvals
+    RENAME COLUMN action TO status;
+
+UPDATE approvals
+SET status = 'PENDING'
+WHERE status IS NULL;
+
+ALTER TABLE approvals
+    ALTER COLUMN status SET NOT NULL;
+
+ALTER TABLE approvals
+    RENAME COLUMN step_number TO step;
+
+ALTER TABLE approvals
+    DROP COLUMN step_name;
+
+ALTER TABLE approvals
+    RENAME COLUMN action_at TO created_at;

internal/database/migrations/20251017071755_rename_approval_status_to_action.up.sql

@@ -0,0 +1,14 @@
+ALTER TABLE approvals
+    RENAME COLUMN status TO action;
+
+ALTER TABLE approvals
+    ALTER COLUMN action DROP NOT NULL;
+
+ALTER TABLE approvals
+    RENAME COLUMN step TO step_number;
+
+ALTER TABLE approvals
+    ADD COLUMN step_name VARCHAR NOT NULL;
+
+ALTER TABLE approvals
+    RENAME COLUMN created_at TO action_at;

internal/database/migrations/20251018072532_project_flock_kandangs.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS project_flock_kandangs;

internal/database/migrations/20251018072532_project_flock_kandangs.up.sql

@@ -0,0 +1,17 @@
+CREATE TABLE project_flock_kandangs (
+    id BIGSERIAL PRIMARY KEY,
+    project_flock_id BIGINT NOT NULL REFERENCES project_flocks (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    kandang_id BIGINT NOT NULL REFERENCES kandangs (id) ON DELETE CASCADE ON UPDATE CASCADE,
+    created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE,
+    assigned_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    detached_at TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+CREATE INDEX idx_project_flock_kandangs_project ON project_flock_kandangs (project_flock_id);
+CREATE INDEX idx_project_flock_kandangs_kandang ON project_flock_kandangs (kandang_id);
+
+CREATE UNIQUE INDEX idx_project_flock_kandangs_active ON project_flock_kandangs (project_flock_id, kandang_id)
+WHERE
+    detached_at IS NULL;

internal/database/migrations/20251018120649_create_project_chick_ins_table.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS project_chickins;

internal/database/migrations/20251018120649_create_project_chick_ins_table.up.sql

@@ -0,0 +1,36 @@
+CREATE TABLE IF NOT EXISTS project_chickins (
+    id BIGSERIAL PRIMARY KEY,
+    project_flock_kandang_id BIGINT NOT NULL,
+    chick_in_date DATE NOT NULL,
+    quantity NUMERIC(15, 3) NOT NULL,
+    note TEXT,
+    created_by BIGINT NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- FOREIGN KEYS (dijalankan setelah semua tabel parent ada)
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_flock_kandangs') THEN
+        ALTER TABLE project_chickins
+            ADD CONSTRAINT fk_project_flock_kandang_id
+            FOREIGN KEY (project_flock_kandang_id)
+            REFERENCES project_flock_kandangs(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+        ALTER TABLE project_chickins
+            ADD CONSTRAINT fk_created_by
+            FOREIGN KEY (created_by)
+            REFERENCES users(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_project_chickins_project_flock_kandang_id ON project_chickins (project_flock_kandang_id);
+
+CREATE INDEX IF NOT EXISTS idx_project_chickins_created_by ON project_chickins (created_by);

internal/database/migrations/20251020022357_create_project_flock_populations_table.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS project_flock_populations;

internal/database/migrations/20251020022357_create_project_flock_populations_table.up.sql

@@ -0,0 +1,36 @@
+CREATE TABLE IF NOT EXISTS project_flock_populations (
+    id BIGSERIAL PRIMARY KEY,
+    project_flock_kandang_id BIGINT NOT NULL,
+    initial_quantity NUMERIC(15, 3) NOT NULL,
+    current_quantity NUMERIC(15, 3) NOT NULL,
+    reserved_quantity NUMERIC(15, 3),
+    created_by BIGINT NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- FOREIGN KEYS (dijalankan setelah semua tabel parent ada)
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_flock_kandangs') THEN
+        ALTER TABLE project_flock_populations
+            ADD CONSTRAINT fk_project_flock_kandang_id
+            FOREIGN KEY (project_flock_kandang_id)
+            REFERENCES project_flock_kandangs(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+        ALTER TABLE project_flock_populations
+            ADD CONSTRAINT fk_created_by
+            FOREIGN KEY (created_by)
+            REFERENCES users(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_project_flock_populations_project_flock_kandang_id ON project_flock_populations (project_flock_kandang_id);
+
+CREATE INDEX IF NOT EXISTS idx_project_flock_populations_created_by ON project_flock_populations (created_by);

internal/database/migrations/20251020154311_adjustment_projectFlock_category_and_period_unique.down.sql

@@ -0,0 +1,25 @@
+BEGIN;
+
+-- Recreate legacy columns on project_flock_kandangs
+DROP INDEX IF EXISTS idx_project_flock_kandangs_unique;
+
+ALTER TABLE project_flock_kandangs
+    ADD COLUMN IF NOT EXISTS created_by BIGINT REFERENCES users (id) ON DELETE SET NULL ON UPDATE CASCADE,
+    ADD COLUMN IF NOT EXISTS assigned_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    ADD COLUMN IF NOT EXISTS detached_at TIMESTAMPTZ,
+    ADD COLUMN IF NOT EXISTS updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW();
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_project_flock_kandangs_active
+    ON project_flock_kandangs (project_flock_id, kandang_id)
+    WHERE detached_at IS NULL;
+
+-- Restore product_category_id reference and drop category column
+ALTER TABLE project_flocks
+    ADD COLUMN IF NOT EXISTS product_category_id BIGINT REFERENCES product_categories (id) ON DELETE RESTRICT ON UPDATE CASCADE;
+
+ALTER TABLE project_flocks
+    DROP COLUMN IF EXISTS category;
+
+COMMIT;
+
+DROP INDEX IF EXISTS project_flocks_flock_period_unique;

internal/database/migrations/20251020154311_adjustment_projectFlock_category_and_period_unique.up.sql

@@ -0,0 +1,43 @@
+BEGIN;
+
+-- Add category column to project_flocks and backfill existing rows
+ALTER TABLE project_flocks
+    ADD COLUMN IF NOT EXISTS category VARCHAR(20);
+
+UPDATE project_flocks
+SET category = 'GROWING'
+WHERE category IS NULL;
+
+ALTER TABLE project_flocks
+    ALTER COLUMN category SET NOT NULL;
+
+ALTER TABLE project_flocks
+    ALTER COLUMN category SET DEFAULT 'GROWING';
+
+-- Drop legacy foreign key reference and column
+ALTER TABLE project_flocks
+    DROP CONSTRAINT IF EXISTS project_flocks_product_category_id_fkey;
+
+ALTER TABLE project_flocks
+    DROP COLUMN IF EXISTS product_category_id;
+
+-- Simplify project_flock_kandangs structure
+DROP INDEX IF EXISTS idx_project_flock_kandangs_active;
+
+ALTER TABLE project_flock_kandangs
+    DROP COLUMN IF EXISTS created_by,
+    DROP COLUMN IF EXISTS assigned_at,
+    DROP COLUMN IF EXISTS detached_at,
+    DROP COLUMN IF EXISTS updated_at;
+
+ALTER TABLE project_flock_kandangs
+    ALTER COLUMN created_at SET DEFAULT NOW();
+
+CREATE UNIQUE INDEX IF NOT EXISTS idx_project_flock_kandangs_unique
+    ON project_flock_kandangs (project_flock_id, kandang_id);
+
+COMMIT;
+
+CREATE UNIQUE INDEX project_flocks_flock_period_unique
+ON project_flocks (flock_id, period)
+WHERE deleted_at IS NULL;

internal/database/migrations/20251022024829_create_project_chickin_details.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS project_chickin_details;

internal/database/migrations/20251022024829_create_project_chickin_details.up.sql

@@ -0,0 +1,45 @@
+CREATE TABLE IF NOT EXISTS project_chickin_details (
+    id BIGSERIAL PRIMARY KEY,
+    project_chickin_id BIGINT NOT NULL,
+    product_warehouse_id BIGINT NOT NULL,
+    quantity NUMERIC(15, 3) NOT NULL,
+    created_by BIGINT NOT NULL,
+    created_at TIMESTAMPTZ DEFAULT now(),
+    updated_at TIMESTAMPTZ DEFAULT now(),
+    deleted_at TIMESTAMPTZ
+);
+
+-- FOREIGN KEYS (dijalankan setelah semua tabel parent ada)
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_chickins') THEN
+        ALTER TABLE project_chickin_details
+            ADD CONSTRAINT fk_project_chickin_id
+            FOREIGN KEY (project_chickin_id)
+            REFERENCES project_chickins(id)
+            ON DELETE CASCADE ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'product_warehouses') THEN
+        ALTER TABLE project_chickin_details
+            ADD CONSTRAINT fk_product_warehouse_id
+            FOREIGN KEY (product_warehouse_id)
+            REFERENCES product_warehouses(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+        ALTER TABLE project_chickin_details
+            ADD CONSTRAINT fk_created_by
+            FOREIGN KEY (created_by)
+            REFERENCES users(id)
+            ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- INDEXES
+CREATE INDEX IF NOT EXISTS idx_project_chickin_details_project_chickin_id ON project_chickin_details (project_chickin_id);
+
+CREATE INDEX IF NOT EXISTS idx_project_chickin_details_product_warehouse_id ON project_chickin_details (product_warehouse_id);
+
+CREATE INDEX IF NOT EXISTS idx_project_chickin_details_created_by ON project_chickin_details (created_by);

internal/database/seed/seeder.go

@@ -8,6 +8,7 @@ import (
 
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
 	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+	approvalutils "gitlab.com/mbugroup/lti-api.git/internal/utils/approvals"
 
 	"gorm.io/gorm"
 )
@@ -35,7 +36,27 @@ func Run(db *gorm.DB) error {
 			return err
 		}
 
-		kandangs, err := seedKandangs(tx, adminID, locations, users)
+		productCategories, err := seedProductCategories(tx, adminID)
+		if err != nil {
+			return err
+		}
+
+		flocks, err := seedFlocks(tx, adminID)
+		if err != nil {
+			return err
+		}
+
+		fcrs, err := seedFcr(tx, adminID)
+		if err != nil {
+			return err
+		}
+
+		projectFlocks, err := seedProjectFlocks(tx, adminID, flocks, areas, fcrs, locations)
+		if err != nil {
+			return err
+		}
+
+		kandangs, err := seedKandangs(tx, adminID, locations, users, projectFlocks)
 		if err != nil {
 			return err
 		}
@@ -44,11 +65,6 @@ func Run(db *gorm.DB) error {
 			return err
 		}
 
-		productCategories, err := seedProductCategories(tx, adminID)
-		if err != nil {
-			return err
-		}
-
 		suppliers, err := seedSuppliers(tx, adminID)
 		if err != nil {
 			return err
@@ -58,10 +74,6 @@ func Run(db *gorm.DB) error {
 			return err
 		}
 
-		if err := seedFcr(tx, adminID); err != nil {
-			return err
-		}
-
 		if err := seedProducts(tx, adminID, uoms, productCategories, suppliers); err != nil {
 			return err
 		}
@@ -74,6 +86,17 @@ func Run(db *gorm.DB) error {
 			return err
 		}
 
+		if err := seedProductWarehouse(tx, adminID); err != nil {
+			return err
+		}
+
+		if err := seedTransferStock(tx, adminID); err != nil {
+			return err
+		}
+		if err := seedChickin(tx, adminID); err != nil {
+			return err
+		}
+
 		fmt.Println("✅ Master data seeding completed")
 		return nil
 	})
@@ -190,16 +213,190 @@ func seedLocations(tx *gorm.DB, createdBy uint, areas map[string]uint) (map[stri
 	return result, nil
 }
 
-func seedKandangs(tx *gorm.DB, createdBy uint, locations map[string]uint, users map[string]uint) (map[string]uint, error) {
+func seedFlocks(tx *gorm.DB, createdBy uint) (map[string]uint, error) {
+	names := []string{"Flock Priangan", "Flock Banten"}
+	result := make(map[string]uint, len(names))
+
+	for _, name := range names {
+		var flock entity.Flock
+		err := tx.Where("name = ?", name).First(&flock).Error
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			flock = entity.Flock{
+				Name:      name,
+				CreatedBy: createdBy,
+			}
+			if err := tx.Create(&flock).Error; err != nil {
+				return nil, err
+			}
+		} else if err != nil {
+			return nil, err
+		} else {
+			if err := tx.Model(&entity.Flock{}).Where("id = ?", flock.Id).Updates(map[string]any{
+				"created_by": createdBy,
+			}).Error; err != nil {
+				return nil, err
+			}
+		}
+		result[name] = flock.Id
+	}
+
+	return result, nil
+}
+
+func seedProjectFlocks(tx *gorm.DB, createdBy uint, flocks, areas, fcrs, locations map[string]uint) (map[string]uint, error) {
 	seeds := []struct {
-		Name     string
+		Key      string
+		Flock    string
+		Area     string
+		Category utils.ProjectFlockCategory
+		Fcr      string
 		Location string
-		PicKey   string
+		Period   int
 	}{
-		{"Singaparna 1", "Singaparna", "admin"},
-		{"Singaparna 2", "Singaparna", "admin"},
-		{"Cikaum 1", "Cikaum", "admin"},
-		{"Cikaum 2", "Cikaum", "admin"},
+		{
+			Key:      "Singaparna Period 1",
+			Flock:    "Flock Priangan",
+			Area:     "Priangan",
+			Category: utils.ProjectFlockCategoryGrowing,
+			Fcr:      "FCR Layer",
+			Location: "Singaparna",
+			Period:   1,
+		},
+		{
+			Key:      "Cikaum Period 1",
+			Flock:    "Flock Banten",
+			Area:     "Banten",
+			Category: utils.ProjectFlockCategoryGrowing,
+			Fcr:      "FCR Layer",
+			Location: "Cikaum",
+			Period:   1,
+		},
+	}
+
+	result := make(map[string]uint, len(seeds))
+
+	for _, seed := range seeds {
+		flockID, ok := flocks[seed.Flock]
+		if !ok {
+			return nil, fmt.Errorf("floc %s not seeded", seed.Flock)
+		}
+		areaID, ok := areas[seed.Area]
+		if !ok {
+			return nil, fmt.Errorf("area %s not seeded", seed.Area)
+		}
+		fcrID, ok := fcrs[seed.Fcr]
+		if !ok {
+			return nil, fmt.Errorf("fcr %s not seeded", seed.Fcr)
+		}
+		locationID, ok := locations[seed.Location]
+		if !ok {
+			return nil, fmt.Errorf("location %s not seeded", seed.Location)
+		}
+
+		var projectFlock entity.ProjectFlock
+		err := tx.Where("flock_id = ? AND area_id = ? AND category = ? AND fcr_id = ? AND location_id = ? AND period = ?",
+			flockID, areaID, seed.Category, fcrID, locationID, seed.Period).First(&projectFlock).Error
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			projectFlock = entity.ProjectFlock{
+				FlockId:    flockID,
+				AreaId:     areaID,
+				Category:   string(seed.Category),
+				FcrId:      fcrID,
+				LocationId: locationID,
+				Period:     seed.Period,
+				CreatedBy:  createdBy,
+			}
+			if err := tx.Create(&projectFlock).Error; err != nil {
+				return nil, err
+			}
+		} else if err != nil {
+			return nil, err
+		} else {
+			if err := tx.Model(&entity.ProjectFlock{}).Where("id = ?", projectFlock.Id).Updates(map[string]any{
+				"flock_id":    flockID,
+				"area_id":     areaID,
+				"category":    string(seed.Category),
+				"fcr_id":      fcrID,
+				"location_id": locationID,
+				"period":      seed.Period,
+			}).Error; err != nil {
+				return nil, err
+			}
+		}
+
+		if err := ensureProjectFlockApprovals(tx, projectFlock.Id, createdBy); err != nil {
+			return nil, err
+		}
+		result[seed.Key] = projectFlock.Id
+	}
+
+	return result, nil
+}
+
+func ensureProjectFlockApprovals(tx *gorm.DB, projectFlockID uint, actorID uint) error {
+	if projectFlockID == 0 || actorID == 0 {
+		return nil
+	}
+
+	workflow := utils.ApprovalWorkflowProjectFlock.String()
+
+	steps := []struct {
+		step   approvalutils.ApprovalStep
+		action entity.ApprovalAction
+	}{
+		{step: utils.ProjectFlockStepPengajuan, action: entity.ApprovalActionCreated},
+		{step: utils.ProjectFlockStepAktif, action: entity.ApprovalActionApproved},
+	}
+
+	for _, cfg := range steps {
+		var count int64
+		if err := tx.Model(&entity.Approval{}).
+			Where("approvable_type = ? AND approvable_id = ? AND step_number = ?", workflow, projectFlockID, uint16(cfg.step)).
+			Count(&count).Error; err != nil {
+			return err
+		}
+		if count > 0 {
+			continue
+		}
+
+		stepName, ok := utils.ProjectFlockApprovalSteps[cfg.step]
+		if !ok || strings.TrimSpace(stepName) == "" {
+			stepName = fmt.Sprintf("Step %d", cfg.step)
+		}
+
+		var actionPtr *entity.ApprovalAction
+		action := cfg.action
+		actionPtr = &action
+
+		record := entity.Approval{
+			ApprovableType: workflow,
+			ApprovableId:   projectFlockID,
+			StepNumber:     uint16(cfg.step),
+			StepName:       stepName,
+			Action:         actionPtr,
+			ActionBy:       uintPtr(actorID),
+		}
+
+		if err := tx.Create(&record).Error; err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func seedKandangs(tx *gorm.DB, createdBy uint, locations map[string]uint, users map[string]uint, projectFlocks map[string]uint) (map[string]uint, error) {
+	seeds := []struct {
+		Name            string
+		Status          utils.KandangStatus
+		Location        string
+		PicKey          string
+		ProjectFlockKey *string
+	}{
+		{Name: "Singaparna 1", Status: utils.KandangStatusActive, Location: "Singaparna", PicKey: "admin", ProjectFlockKey: strPtr("Singaparna Period 1")},
+		{Name: "Singaparna 2", Status: utils.KandangStatusNonActive, Location: "Singaparna", PicKey: "admin"},
+		{Name: "Cikaum 1", Status: utils.KandangStatusActive, Location: "Cikaum", PicKey: "admin", ProjectFlockKey: strPtr("Cikaum Period 1")},
+		{Name: "Cikaum 2", Status: utils.KandangStatusNonActive, Location: "Cikaum", PicKey: "admin"},
 	}
 
 	result := make(map[string]uint, len(seeds))
@@ -214,20 +411,51 @@ func seedKandangs(tx *gorm.DB, createdBy uint, locations map[string]uint, users
 			return nil, fmt.Errorf("user %s not seeded", seed.PicKey)
 		}
 
+		var projectFlockID *uint
+		if seed.ProjectFlockKey != nil {
+			pfID, ok := projectFlocks[*seed.ProjectFlockKey]
+			if !ok {
+				return nil, fmt.Errorf("project flock %s not seeded", *seed.ProjectFlockKey)
+			}
+			projectFlockID = uintPtr(pfID)
+		}
+
 		var kandang entity.Kandang
 		err := tx.Where("name = ?", seed.Name).First(&kandang).Error
 		if errors.Is(err, gorm.ErrRecordNotFound) {
 			kandang = entity.Kandang{
-				Name:       seed.Name,
-				LocationId: locID,
-				PicId:      picID,
-				CreatedBy:  createdBy,
+				Name:           seed.Name,
+				Status:         string(seed.Status),
+				LocationId:     locID,
+				PicId:          picID,
+				ProjectFlockId: projectFlockID,
+				CreatedBy:      createdBy,
 			}
 			if err := tx.Create(&kandang).Error; err != nil {
 				return nil, err
 			}
+			if err := syncPivotRelation(tx, projectFlockID, kandang.Id); err != nil {
+				return nil, err
+			}
 		} else if err != nil {
 			return nil, err
+		} else {
+			updates := map[string]any{
+				"location_id": locID,
+				"pic_id":      picID,
+				"status":      string(seed.Status),
+			}
+			if projectFlockID != nil {
+				updates["project_flock_id"] = *projectFlockID
+			} else {
+				updates["project_flock_id"] = nil
+			}
+			if err := tx.Model(&entity.Kandang{}).Where("id = ?", kandang.Id).Updates(updates).Error; err != nil {
+				return nil, err
+			}
+			if err := syncPivotRelation(tx, projectFlockID, kandang.Id); err != nil {
+				return nil, err
+			}
 		}
 		result[seed.Name] = kandang.Id
 	}
@@ -235,6 +463,38 @@ func seedKandangs(tx *gorm.DB, createdBy uint, locations map[string]uint, users
 	return result, nil
 }
 
+func syncPivotRelation(tx *gorm.DB, projectFlockID *uint, kandangID uint) error {
+	if err := detachActivePivot(tx, kandangID); err != nil {
+		return err
+	}
+	if projectFlockID == nil {
+		return nil
+	}
+	return ensureActivePivot(tx, *projectFlockID, kandangID)
+}
+
+func detachActivePivot(tx *gorm.DB, kandangID uint) error {
+	return tx.Where("kandang_id = ?", kandangID).
+		Delete(&entity.ProjectFlockKandang{}).Error
+}
+
+func ensureActivePivot(tx *gorm.DB, projectFlockID, kandangID uint) error {
+	var pivot entity.ProjectFlockKandang
+	err := tx.Where("project_flock_id = ? AND kandang_id = ?", projectFlockID, kandangID).
+		First(&pivot).Error
+	if err == nil {
+		return nil
+	}
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return err
+	}
+	newRecord := entity.ProjectFlockKandang{
+		ProjectFlockId: projectFlockID,
+		KandangId:      kandangID,
+	}
+	return tx.Create(&newRecord).Error
+}
+
 func seedWarehouses(tx *gorm.DB, createdBy uint, areas map[string]uint, locations map[string]uint, kandangs map[string]uint) error {
 	seeds := []struct {
 		Name     string
@@ -426,7 +686,7 @@ func seedCustomers(tx *gorm.DB, createdBy uint, users map[string]uint) error {
 	return nil
 }
 
-func seedFcr(tx *gorm.DB, createdBy uint) error {
+func seedFcr(tx *gorm.DB, createdBy uint) (map[string]uint, error) {
 	seeds := []struct {
 		Name      string
 		Standards []struct {
@@ -448,17 +708,20 @@ func seedFcr(tx *gorm.DB, createdBy uint) error {
 		},
 	}
 
+	result := make(map[string]uint, len(seeds))
+
 	for _, seed := range seeds {
 		var fcr entity.Fcr
 		err := tx.Where("name = ?", seed.Name).First(&fcr).Error
 		if errors.Is(err, gorm.ErrRecordNotFound) {
 			fcr = entity.Fcr{Name: seed.Name, CreatedBy: createdBy}
 			if err := tx.Create(&fcr).Error; err != nil {
-				return err
+				return nil, err
 			}
 		} else if err != nil {
-			return err
+			return nil, err
 		}
+		result[seed.Name] = fcr.Id
 
 		for _, std := range seed.Standards {
 			var standard entity.FcrStandard
@@ -471,22 +734,22 @@ func seedFcr(tx *gorm.DB, createdBy uint) error {
 					Mortality: std.Mortality,
 				}
 				if err := tx.Create(&standard).Error; err != nil {
-					return err
+					return nil, err
 				}
 			} else if err != nil {
-				return err
+				return nil, err
 			} else {
 				if err := tx.Model(&entity.FcrStandard{}).Where("id = ?", standard.Id).Updates(map[string]any{
 					"fcr_number": std.FcrNumber,
 					"mortality":  std.Mortality,
 				}).Error; err != nil {
-					return err
+					return nil, err
 				}
 			}
 		}
 	}
 
-	return nil
+	return result, nil
 }
 
 func seedProducts(tx *gorm.DB, createdBy uint, uoms map[string]uint, categories map[string]uint, suppliers map[string]uint) error {
@@ -674,6 +937,8 @@ func seedNonstocks(tx *gorm.DB, createdBy uint, uoms map[string]uint, suppliers
 	return nil
 }
 
+// nanti saya isi
+
 func seedFlags(tx *gorm.DB, flagableID uint, flagableType string, flags []utils.FlagType) error {
 	if len(flags) == 0 {
 		return nil
@@ -760,6 +1025,261 @@ func seedBanks(tx *gorm.DB, createdBy uint) error {
 	return nil
 }
 
+func seedProductWarehouse(tx *gorm.DB, createdBy uint) error {
+
+	seeds := []struct {
+		ProductID   uint
+		WarehouseID uint
+		Quantity    float64
+	}{
+		{ProductID: 1, WarehouseID: 1, Quantity: 100},
+		{ProductID: 2, WarehouseID: 2, Quantity: 200},
+		{ProductID: 2, WarehouseID: 1, Quantity: 300},
+		{ProductID: 1, WarehouseID: 3, Quantity: 5000},
+	}
+
+	for _, seed := range seeds {
+		var productWarehouse entity.ProductWarehouse
+		err := tx.Where("product_id = ? AND warehouse_id = ?", seed.ProductID, seed.WarehouseID).First(&productWarehouse).Error
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			productWarehouse = entity.ProductWarehouse{
+				ProductId:   seed.ProductID,
+				WarehouseId: seed.WarehouseID,
+				Quantity:    seed.Quantity,
+				CreatedBy:   createdBy,
+			}
+			if err := tx.Create(&productWarehouse).Error; err != nil {
+				return err
+			}
+		} else if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func seedTransferStock(tx *gorm.DB, createdBy uint) error {
+
+	transfer := entity.StockTransfer{
+		FromWarehouseId: 1,
+		ToWarehouseId:   2,
+		Reason:          "Seed transfer stock",
+		TransferDate:    time.Now(),
+		MovementNumber:  "SEED-TRF-00001",
+		CreatedBy:       1,
+	}
+	if err := tx.Create(&transfer).Error; err != nil {
+		return err
+	}
+
+	details := []entity.StockTransferDetail{
+		{
+			StockTransferId: transfer.Id,
+			ProductId:       1,
+			Quantity:        10,
+		},
+		{
+			StockTransferId: transfer.Id,
+			ProductId:       2,
+			Quantity:        5,
+		},
+	}
+	for i := range details {
+		if err := tx.Create(&details[i]).Error; err != nil {
+			return err
+		}
+	}
+
+	deliveries := []entity.StockTransferDelivery{
+		{
+			StockTransferId:   transfer.Id,
+			SupplierId:        1,
+			VehiclePlate:      "B 1234 XYZ",
+			DriverName:        "Driver Seed",
+			DocumentPath:      "seed.pdf",
+			ShippingCostItem:  1000,
+			ShippingCostTotal: 2000,
+		},
+	}
+	for i := range deliveries {
+		if err := tx.Create(&deliveries[i]).Error; err != nil {
+			return err
+		}
+	}
+
+	detailMap := make(map[uint64]uint64)
+	for _, d := range details {
+		detailMap[d.ProductId] = d.Id
+	}
+
+	deliveryItems := []entity.StockTransferDeliveryItem{
+		{
+			StockTransferDeliveryId: deliveries[0].Id,
+			StockTransferDetailId:   detailMap[1],
+			Quantity:                50,
+		},
+		{
+			StockTransferDeliveryId: deliveries[0].Id,
+			StockTransferDetailId:   detailMap[2],
+			Quantity:                30,
+		},
+	}
+	for i := range deliveryItems {
+		if err := tx.Create(&deliveryItems[i]).Error; err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func seedChickin(tx *gorm.DB, createdBy uint) error {
+	seeds := []struct {
+		ProjectFlockKandangId uint
+		ChickInDate           string
+		Quantity              float64
+		Note                  string
+	}{
+		{ProjectFlockKandangId: 1, ChickInDate: "2025-10-20", Quantity: 100, Note: "Seeder chickin 1"},
+		{ProjectFlockKandangId: 2, ChickInDate: "2025-10-21", Quantity: 200, Note: "Seeder chickin 2"},
+	}
+
+	for _, seed := range seeds {
+		chickinDate, err := time.Parse("2006-01-02", seed.ChickInDate)
+		if err != nil {
+			return err
+		}
+
+		// Insert ProjectChickin jika belum ada
+		var chickin entity.ProjectChickin
+		err = tx.Where("project_flock_kandang_id = ? AND chick_in_date = ?", seed.ProjectFlockKandangId, chickinDate).
+			First(&chickin).Error
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			chickin = entity.ProjectChickin{
+				ProjectFlockKandangId: seed.ProjectFlockKandangId,
+				ChickInDate:           chickinDate,
+				Quantity:              seed.Quantity,
+				Note:                  seed.Note,
+				CreatedBy:             createdBy,
+			}
+			if err := tx.Create(&chickin).Error; err != nil {
+				return err
+			}
+		} else if err != nil {
+			return err
+		}
+
+		var population entity.ProjectFlockPopulation
+		err = tx.Where("project_flock_kandang_id = ?", seed.ProjectFlockKandangId).First(&population).Error
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			population = entity.ProjectFlockPopulation{
+				ProjectFlockKandangId: seed.ProjectFlockKandangId,
+				InitialQuantity:       seed.Quantity,
+				CurrentQuantity:       seed.Quantity,
+				ReservedQuantity:      0,
+				CreatedBy:             createdBy,
+			}
+			if err := tx.Create(&population).Error; err != nil {
+				return err
+			}
+		} else if err != nil {
+			return err
+		} else {
+			// Update population quantities
+			if err := tx.Model(&entity.ProjectFlockPopulation{}).
+				Where("id = ?", population.Id).
+				Updates(map[string]any{
+					"initial_quantity":  population.InitialQuantity + seed.Quantity,
+					"current_quantity":  population.CurrentQuantity + seed.Quantity,
+					"reserved_quantity": 0,
+				}).Error; err != nil {
+				return err
+			}
+		}
+
+		var pfk entity.ProjectFlockKandang
+		if err := tx.Where("id = ?", seed.ProjectFlockKandangId).First(&pfk).Error; err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				// no pivot found; skip creating details
+				continue
+			}
+			return err
+		}
+
+		var warehouse entity.Warehouse
+		if err := tx.Where("kandang_id = ?", pfk.KandangId).First(&warehouse).Error; err != nil {
+			// if warehouse not found, cannot create details
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				continue
+			}
+			return err
+		}
+
+		var productWarehouses []entity.ProductWarehouse
+		err = tx.Table("product_warehouses").
+			Select("product_warehouses.*").
+			Joins("JOIN products ON products.id = product_warehouses.product_id").
+			Joins("JOIN product_categories ON product_categories.id = products.product_category_id").
+			Where("product_categories.code = ? AND product_warehouses.warehouse_id = ?", "DOC", warehouse.Id).
+			Order("product_warehouses.created_at DESC").
+			Find(&productWarehouses).Error
+		if err != nil {
+			return err
+		}
+
+		// If no product warehouses found, keep existing chickin.Quantity and skip details
+		if len(productWarehouses) == 0 {
+			continue
+		}
+
+		// sum all pw quantities and set chickin.Quantity to that total (mimic CreateOne)
+		totalQty := 0.0
+		for _, pw := range productWarehouses {
+			totalQty += pw.Quantity
+		}
+
+		if chickin.Quantity != totalQty {
+			if err := tx.Model(&entity.ProjectChickin{}).Where("id = ?", chickin.Id).Update("quantity", totalQty).Error; err != nil {
+				return err
+			}
+			chickin.Quantity = totalQty
+		}
+
+		for _, pw := range productWarehouses {
+			// ensure detail exists or create it with full pw.Quantity
+			var detail entity.ProjectChickinDetail
+			err = tx.Where("project_chickin_id = ? AND product_warehouse_id = ?", chickin.Id, pw.Id).First(&detail).Error
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				detail = entity.ProjectChickinDetail{
+					ProjectChickinId:   chickin.Id,
+					ProductWarehouseId: pw.Id,
+					Quantity:           pw.Quantity,
+					CreatedBy:          createdBy,
+				}
+				if err := tx.Create(&detail).Error; err != nil {
+					return err
+				}
+			} else if err != nil {
+				return err
+			} else {
+				if detail.Quantity != pw.Quantity {
+					if err := tx.Model(&entity.ProjectChickinDetail{}).Where("id = ?", detail.Id).Update("quantity", pw.Quantity).Error; err != nil {
+						return err
+					}
+				}
+			}
+
+			// zero out pw quantity
+			if err := tx.Model(&entity.ProductWarehouse{}).Where("id = ?", pw.Id).Update("quantity", 0).Error; err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
 func ptr[T any](v T) *T {
 	return &v
 }

internal/entities/ProjectChickinDetail.go

@@ -0,0 +1,22 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type ProjectChickinDetail struct {
+	Id                 uint           `gorm:"primaryKey"`
+	ProjectChickinId   uint           `gorm:"column:project_chickin_id;not null"`
+	ProductWarehouseId uint           `gorm:"column:product_warehouse_id;not null"`
+	Quantity           float64        `gorm:"type:numeric(15,3);not null"`
+	CreatedBy          uint           `gorm:"column:created_by;not null"`
+	CreatedAt          time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt          time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt          gorm.DeletedAt `gorm:"index" json:"-"`
+
+	ProjectChickin   *ProjectChickin   `gorm:"foreignKey:ProjectChickinId;references:Id"`
+	ProductWarehouse *ProductWarehouse `gorm:"foreignKey:ProductWarehouseId;references:Id"`
+	CreatedUser      *User             `gorm:"foreignKey:CreatedBy;references:Id"`
+}

internal/entities/approval.go

@@ -0,0 +1,28 @@
+package entities
+
+import (
+	"time"
+)
+
+type ApprovalAction string
+
+const (
+	ApprovalActionApproved ApprovalAction = "APPROVED"
+	ApprovalActionRejected ApprovalAction = "REJECTED"
+	ApprovalActionCreated  ApprovalAction = "CREATED"
+	ApprovalActionUpdated  ApprovalAction = "UPDATED"
+)
+
+type Approval struct {
+	Id             uint            `gorm:"primaryKey"`
+	ApprovableType string          `gorm:"size:50;not null;index:approvals_approvable_lookup,priority:1"`
+	ApprovableId   uint            `gorm:"not null;index:approvals_approvable_lookup,priority:2"`
+	StepNumber     uint16          `gorm:"not null"`
+	StepName       string          `gorm:"not null"`
+	Action         *ApprovalAction `gorm:"type:VARCHAR(20)"`
+	Notes          *string         `gorm:"type:text"`
+	ActionAt       time.Time       `gorm:"autoCreateTime"`
+	ActionBy       *uint           `gorm:"index"`
+
+	ActionUser *User `gorm:"foreignKey:ActionBy;references:Id"`
+}

internal/entities/flock.go

@@ -0,0 +1,17 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Flock struct {
+	Id          uint           `gorm:"primaryKey"`
+	Name        string         `gorm:"not null;uniqueIndex:flocks_name_unique,where:deleted_at IS NULL"`
+	CreatedBy   uint           `gorm:"not null"`
+	CreatedAt   time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt   time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt   gorm.DeletedAt `gorm:"index" json:"-"`
+	CreatedUser User           `gorm:"foreignKey:CreatedBy;references:Id"`
+}

internal/entities/kandang.go

@@ -7,16 +7,18 @@ import (
 )
 
 type Kandang struct {
-	Id         uint           `gorm:"primaryKey"`
-	Name       string         `gorm:"not null;uniqueIndex:kandangs_name_unique,where:deleted_at IS NULL"`
-	LocationId uint           `gorm:"not null"`
-	PicId      uint           `gorm:"not null"`
-	CreatedBy  uint           `gorm:"not null"`
-	CreatedAt  time.Time      `gorm:"autoCreateTime"`
-	UpdatedAt  time.Time      `gorm:"autoUpdateTime"`
-	DeletedAt  gorm.DeletedAt `gorm:"index" json:"-"`
-
-	CreatedUser User     `gorm:"foreignKey:CreatedBy;references:Id"`
-	Location    Location `gorm:"foreignKey:LocationId;references:Id"`
-	Pic         User     `gorm:"foreignKey:PicId;references:Id"`
+	Id             uint           `gorm:"primaryKey"`
+	Name           string         `gorm:"not null;uniqueIndex:kandangs_name_unique,where:deleted_at IS NULL"`
+	Status         string         `gorm:"type:varchar(50);not null"`
+	LocationId     uint           `gorm:"not null"`
+	PicId          uint           `gorm:"not null"`
+	ProjectFlockId *uint          `gorm:"column:project_flock_id"`
+	CreatedBy      uint           `gorm:"not null"`
+	CreatedAt      time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt      time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt      gorm.DeletedAt `gorm:"index" json:"-"`
+	CreatedUser    User           `gorm:"foreignKey:CreatedBy;references:Id"`
+	Location       Location       `gorm:"foreignKey:LocationId;references:Id"`
+	Pic            User           `gorm:"foreignKey:PicId;references:Id"`
+	ProjectFlock   *ProjectFlock  `gorm:"foreignKey:ProjectFlockId;references:Id"`
 }

internal/entities/product_warehouse.go

@@ -0,0 +1,23 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type ProductWarehouse struct {
+	Id          uint           `gorm:"primaryKey;autoIncrement"`
+	ProductId   uint           `gorm:"not null"`
+	WarehouseId uint           `gorm:"not null"`
+	Quantity    float64        `gorm:"default:0"`
+	CreatedAt   time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt   time.Time      `gorm:"autoUpdateTime"`
+	CreatedBy   uint           `gorm:"not null"`
+	DeletedAt   gorm.DeletedAt `json:"-" gorm:"index"`
+
+	// Relations
+	Product     Product   `gorm:"foreignKey:ProductId;references:Id"`
+	Warehouse   Warehouse `gorm:"foreignKey:WarehouseId;references:Id"`
+	CreatedUser User      `gorm:"foreignKey:CreatedBy;references:Id"`
+}

internal/entities/project_chickin.go

@@ -0,0 +1,24 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+const ()
+
+type ProjectChickin struct {
+	Id                    uint           `gorm:"primaryKey"`
+	ProjectFlockKandangId uint           `gorm:"not null"`
+	ChickInDate           time.Time      `gorm:"not null"`
+	Quantity              float64        `gorm:"not null"`
+	Note                  string         `gorm:"type:text"`
+	CreatedBy             uint           `gorm:"not null"`
+	CreatedAt             time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt             time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt             gorm.DeletedAt `gorm:"index" json:"-"`
+
+	ProjectFlockKandang ProjectFlockKandang `gorm:"foreignKey:ProjectFlockKandangId;references:Id"`
+	CreatedUser         User                `gorm:"foreignKey:CreatedBy;references:Id"`
+}

internal/entities/project_flock_population.go

@@ -0,0 +1,22 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type ProjectFlockPopulation struct {
+	Id                    uint           `gorm:"primaryKey"`
+	ProjectFlockKandangId uint           `gorm:"not null"`
+	InitialQuantity       float64        `gorm:"type:numeric(15,3);not null"`
+	CurrentQuantity       float64        `gorm:"type:numeric(15,3);not null"`
+	ReservedQuantity      float64        `gorm:"type:numeric(15,3)"`
+	CreatedBy             uint           `gorm:"not null"`
+	CreatedAt             time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt             time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt             gorm.DeletedAt `gorm:"index"`
+
+	ProjectFlockKandang *ProjectFlockKandang `gorm:"foreignKey:ProjectFlockKandangId;references:Id"`
+	CreatedUser         *User                `gorm:"foreignKey:CreatedBy;references:Id"`
+}

internal/entities/projectflock.go

@@ -0,0 +1,30 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type ProjectFlock struct {
+	Id         uint           `gorm:"primaryKey"`
+	FlockId    uint           `gorm:"not null;uniqueIndex:project_flocks_flock_period_unique"`
+	AreaId     uint           `gorm:"not null"`
+	Category   string         `gorm:"type:varchar(20);not null"`
+	FcrId      uint           `gorm:"not null"`
+	LocationId uint           `gorm:"not null"`
+	Period     int            `gorm:"not null;uniqueIndex:project_flocks_flock_period_unique"`
+	CreatedBy  uint           `gorm:"not null"`
+	CreatedAt  time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt  time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt  gorm.DeletedAt `gorm:"index" json:"-"`
+
+	Flock          Flock                 `gorm:"foreignKey:FlockId;references:Id"`
+	Area           Area                  `gorm:"foreignKey:AreaId;references:Id"`
+	Fcr            Fcr                   `gorm:"foreignKey:FcrId;references:Id"`
+	Location       Location              `gorm:"foreignKey:LocationId;references:Id"`
+	CreatedUser    User                  `gorm:"foreignKey:CreatedBy;references:Id"`
+	Kandangs       []Kandang             `gorm:"foreignKey:ProjectFlockId;references:Id"`
+	KandangHistory []ProjectFlockKandang `gorm:"foreignKey:ProjectFlockId;references:Id"`
+	LatestApproval *Approval             `gorm:"-" json:"-"`
+}

internal/entities/projectflock_kandang.go

@@ -0,0 +1,12 @@
+package entities
+
+import "time"
+
+type ProjectFlockKandang struct {
+	Id             uint         `gorm:"primaryKey"`
+	ProjectFlockId uint         `gorm:"not null;index:idx_project_flock_kandangs_project;uniqueIndex:idx_project_flock_kandangs_unique"`
+	KandangId      uint         `gorm:"not null;index:idx_project_flock_kandangs_kandang;uniqueIndex:idx_project_flock_kandangs_unique"`
+	CreatedAt      time.Time    `gorm:"autoCreateTime"`
+	ProjectFlock   ProjectFlock `gorm:"foreignKey:ProjectFlockId;references:Id"`
+	Kandang        Kandang      `gorm:"foreignKey:KandangId;references:Id"`
+}

internal/entities/recording.go

@@ -0,0 +1,18 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Recording struct {
+	Id        uint           `gorm:"primaryKey"`
+	Name      string         `gorm:"not null;uniqueIndex:idx_name,where:deleted_at IS NULL"`
+	CreatedBy uint           `gorm:"not null"`
+	CreatedAt time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+
+	CreatedUser User `gorm:"foreignKey:CreatedBy;references:Id"`
+}

internal/entities/stock-transfer.go

@@ -0,0 +1,23 @@
+package entities
+
+import "time"
+
+// HEADER
+type StockTransfer struct {
+	Id              uint64 `gorm:"primaryKey;autoIncrement"`
+	MovementNumber  string `gorm:"uniqueIndex;not null"`
+	FromWarehouseId uint64
+	ToWarehouseId   uint64
+	TransferDate    time.Time
+	Reason          string
+	CreatedBy       uint64
+	CreatedAt       time.Time
+	UpdatedAt       time.Time
+	DeletedAt       *time.Time `gorm:"index"`
+	// Relations
+	FromWarehouse *Warehouse              `gorm:"foreignKey:FromWarehouseId"`
+	ToWarehouse   *Warehouse              `gorm:"foreignKey:ToWarehouseId"`
+	Details       []StockTransferDetail   `gorm:"foreignKey:StockTransferId"`
+	Deliveries    []StockTransferDelivery `gorm:"foreignKey:StockTransferId"`
+	CreatedUser   *User                   `gorm:"foreignKey:CreatedBy"`
+}

internal/entities/stock_log.go

@@ -0,0 +1,36 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+const (
+	LogTypeAdjustment = "ADJUSTMENT"
+	LogTypeTransfer   = "TRANSFER"
+)
+
+const (
+	TransactionTypeIncrease = "INCREASE"
+	TransactionTypeDecrease = "DECREASE"
+)
+
+type StockLog struct {
+	Id                 uint           `gorm:"primaryKey;column:id"`
+	TransactionType    string         `gorm:"type:varchar(20);not null"`
+	Quantity           float64        `gorm:"type:numeric(15,3);not null"`
+	BeforeQuantity     float64        `gorm:"type:numeric(15,3);not null"`
+	AfterQuantity      float64        `gorm:"type:numeric(15,3);not null"`
+	LogType            string         `gorm:"type:varchar(50);not null;index:stock_logs_flaggable_lookup,priority:1"`
+	LogId              uint           `gorm:"not null;index:stock_logs_flaggable_lookup,priority:2"`
+	Note               string         `gorm:"type:text"`
+	ProductWarehouseId uint           `gorm:"not null;index"`
+	CreatedBy          uint           `gorm:"index"`
+	CreatedAt          time.Time      `gorm:"autoCreateTime"`
+	UpdatedAt          time.Time      `gorm:"autoUpdateTime"`
+	DeletedAt          gorm.DeletedAt `json:"-" gorm:"index"`
+
+	ProductWarehouse *ProductWarehouse `json:"product_warehouse,omitempty" gorm:"foreignKey:ProductWarehouseId;references:Id"`
+	CreatedUser      *User             `json:"created_user,omitempty" gorm:"foreignKey:CreatedBy;references:Id"`
+}

internal/entities/stock_transfer_delivery.go

@@ -0,0 +1,23 @@
+package entities
+
+import "time"
+
+// DETAIL EKSPEDISI
+type StockTransferDelivery struct {
+    Id                uint64                      `gorm:"primaryKey;autoIncrement"`
+    StockTransferId   uint64
+    SupplierId        uint64
+    VehiclePlate      string
+    DriverName        string
+    DocumentNumber    string
+    DocumentPath      string
+    ShippingCostItem  float64
+    ShippingCostTotal float64
+    CreatedAt         time.Time
+    UpdatedAt         time.Time
+    DeletedAt         *time.Time                  `gorm:"index"`
+    // Relations
+    StockTransfer     *StockTransfer              `gorm:"foreignKey:StockTransferId"`
+    Supplier          *Supplier                   `gorm:"foreignKey:SupplierId"`
+    Items             []StockTransferDeliveryItem `gorm:"foreignKey:StockTransferDeliveryId"`
+}

internal/entities/stock_transfer_delivery_item.go

@@ -0,0 +1,12 @@
+package entities
+
+// PIVOT TABLE TRANSFER
+type StockTransferDeliveryItem struct {
+	Id                      uint64 `gorm:"primaryKey;autoIncrement"`
+	StockTransferDeliveryId uint64
+	StockTransferDetailId   uint64
+	Quantity                float64
+	// Relations
+	StockTransferDelivery *StockTransferDelivery `gorm:"foreignKey:StockTransferDeliveryId"`
+	StockTransferDetail   *StockTransferDetail   `gorm:"foreignKey:StockTransferDetailId"`
+}

internal/entities/stock_transfer_detail.go

@@ -0,0 +1,18 @@
+package entities
+
+import "time"
+
+// DETAIL PRODUK
+type StockTransferDetail struct {
+	Id              uint64 `gorm:"primaryKey;autoIncrement"`
+	StockTransferId uint64
+	ProductId       uint64
+	Quantity        float64
+	CreatedAt       time.Time
+	UpdatedAt       time.Time
+	DeletedAt       *time.Time `gorm:"index"`
+	// Relations
+	StockTransfer *StockTransfer              `gorm:"foreignKey:StockTransferId"`
+	Product       *Product                    `gorm:"foreignKey:ProductId"`
+	DeliveryItems []StockTransferDeliveryItem `gorm:"foreignKey:StockTransferDetailId"`
+}

internal/middleware/auth.go

@@ -1,110 +1,99 @@
 package middleware
 
-import (
-	"strings"
+// import (
+// 	"strings"
 
-	"gitlab.com/mbugroup/lti-api.git/internal/config"
-	"gitlab.com/mbugroup/lti-api.git/internal/modules/sso/session"
-	service "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
-	"gitlab.com/mbugroup/lti-api.git/internal/sso"
-	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+// 	"gitlab.com/mbugroup/lti-api.git/internal/config"
+// 	service "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+// 	"gitlab.com/mbugroup/lti-api.git/internal/utils"
 
-	"github.com/gofiber/fiber/v2"
-)
+// 	"github.com/gofiber/fiber/v2"
+// )
 
-func Auth(userService service.UserService, requiredRights ...string) fiber.Handler {
-	return func(c *fiber.Ctx) error {
-		authHeader := c.Get("Authorization")
-		token := strings.TrimSpace(strings.TrimPrefix(authHeader, "Bearer "))
+// func Auth(userService service.UserService, requiredRights ...string) fiber.Handler {
+// 	return func(c *fiber.Ctx) error {
+// 		authHeader := c.Get("Authorization")
+// 		token := strings.TrimSpace(strings.TrimPrefix(authHeader, "Bearer "))
 
-		if token == "" {
-			cookieName := config.SSOAccessCookieName
-			if cookieName == "" {
-				cookieName = "access"
-			}
-			token = strings.TrimSpace(c.Cookies(cookieName))
-		}
+// 		if token == "" {
+// 			return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
+// 		}
 
-		if token == "" {
-			return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
-		}
+// 		userID, err := utils.VerifyToken(token, config.JWTSecret, config.TokenTypeAccess)
+// 		if err != nil {
+// 			return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
+// 		}
 
-		verification, err := sso.VerifyAccessToken(token)
-		if err != nil {
-			return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
-		}
+// 		// Only end-user subjects are allowed by this middleware. Service tokens
+// 		if verification.UserID == 0 {
+// 			return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
+// 		}
 
-		if len(config.SSOAllowedAudiences) > 0 {
-			allowed := make(map[string]struct{}, len(config.SSOAllowedAudiences))
-			for _, aud := range config.SSOAllowedAudiences {
-				aud = strings.TrimSpace(aud)
-				if aud != "" {
-					allowed[aud] = struct{}{}
-				}
-			}
-			audienceValid := false
-			for _, aud := range verification.Claims.Audience {
-				if _, ok := allowed[aud]; ok {
-					audienceValid = true
-					break
-				}
-			}
-			if !audienceValid {
-				return fiber.NewError(fiber.StatusUnauthorized, "invalid audience")
-			}
-		}
+// 		// Fail-closed on revocation check errors for stricter security posture.
+// 		if revoker := session.GetRevocationStore(); revoker != nil {
+// 			if fingerprint := session.TokenFingerprint(token); fingerprint != "" {
+// 				revoked, err := revoker.IsRevoked(c.Context(), fingerprint)
+// 				if err != nil {
+// 					utils.Log.WithError(err).Warn("failed to check token revocation")
+// 					return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
+// 				}
+// 				if revoked {
+// 					return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
+// 				}
+// 			}
+// 		}
 
-		if revoker := session.GetRevocationStore(); revoker != nil {
-			logoutAt, err := revoker.UserLogoutTime(c.Context(), verification.UserID)
-			if err != nil {
-				utils.Log.WithError(err).Warn("failed to load logout marker")
-				return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
-			}
-			if !logoutAt.IsZero() {
-				if verification.Claims.IssuedAt == nil || !verification.Claims.IssuedAt.Time.After(logoutAt) {
-					return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
-				}
-			}
+// 		user, err := userService.GetBySSOUserID(c, verification.UserID)
+// 		if err != nil || user == nil {
+// 			return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
+// 		}
 
-			if fingerprint := session.TokenFingerprint(token); fingerprint != "" {
-				revoked, err := revoker.IsRevoked(c.Context(), fingerprint)
-				if err != nil {
-					utils.Log.WithError(err).Warn("failed to check token revocation")
-					return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
-				}
-				if revoked {
-					return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
-				}
-			}
-		}
+// 		if len(requiredRights) > 0 && verification.Claims != nil {
+// 			if !hasAllScopes(verification.Claims.Scopes(), requiredRights) {
+// 				return fiber.NewError(fiber.StatusForbidden, "Insufficient scope")
+// 			}
+// 		}
 
-		user, err := userService.GetBySSOUserID(c, verification.UserID)
-		if err != nil || user == nil {
-			return fiber.NewError(fiber.StatusUnauthorized, "Please authenticate")
-		}
+// 		c.Locals("user", user)
 
-		c.Locals("user", user)
-		c.Locals("token_claims", verification.Claims)
+// 		// if len(requiredRights) > 0 {
+// 		// 	userRights, hasRights := config.RoleRights[user.Role]
+// 		// 	if (!hasRights || !hasAllRights(userRights, requiredRights)) && c.Params("userId") != userID {
+// 		// 		return fiber.NewError(fiber.StatusForbidden, "You don't have permission to access this resource")
+// 		// 	}
+// 		// }
 
-		// if len(requiredRights) > 0 {
-		// 	userRights, hasRights := config.RoleRights[user.Role]
-		// 	if (!hasRights || !hasAllRights(userRights, requiredRights)) && c.Params("userId") != userID {
-		// 		return fiber.NewError(fiber.StatusForbidden, "You don't have permission to access this resource")
-		// 	}
-		// }
-
-		return c.Next()
-	}
-}
-
-// func hasAllRights(userRights, requiredRights []string) bool {
-// 	rightSet := make(map[string]struct{}, len(userRights))
-// 	for _, right := range userRights {
-// 		rightSet[right] = struct{}{}
+// 		return c.Next()
 // 	}
+// }
 
-// 	for _, right := range requiredRights {
-// 		if _, exists := rightSet[right]; !exists {
+// // bearerToken extracts a Bearer token from the Authorization header using
+// // case-insensitive scheme matching and tolerant whitespace handling.
+// func bearerToken(c *fiber.Ctx) string {
+// 	parts := strings.Fields(c.Get("Authorization"))
+// 	if len(parts) == 2 && strings.EqualFold(parts[0], "Bearer") {
+// 		return strings.TrimSpace(parts[1])
+// 	}
+// 	return ""
+// }
+
+// func hasAllScopes(have, required []string) bool {
+// 	if len(required) == 0 {
+// 		return true
+// 	}
+// 	set := make(map[string]struct{}, len(have))
+// 	for _, s := range have {
+// 		s = strings.ToLower(strings.TrimSpace(s))
+// 		if s != "" {
+// 			set[s] = struct{}{}
+// 		}
+// 	}
+// 	for _, r := range required {
+// 		r = strings.ToLower(strings.TrimSpace(r))
+// 		if r == "" {
+// 			continue
+// 		}
+// 		if _, ok := set[r]; !ok {
 // 			return false
 // 		}
 // 	}

internal/modules/approvals/controllers/approval.controller.go

@@ -0,0 +1,100 @@
+package controller
+
+import (
+	"math"
+	"strconv"
+	"strings"
+
+	"github.com/gofiber/fiber/v2"
+	common "gitlab.com/mbugroup/lti-api.git/internal/common/service"
+	"gitlab.com/mbugroup/lti-api.git/internal/modules/approvals/dto"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/approvals/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/response"
+)
+
+type ApprovalController struct {
+	ApprovalService common.ApprovalService
+}
+
+func NewApprovalController(approvalService common.ApprovalService) *ApprovalController {
+	return &ApprovalController{
+		ApprovalService: approvalService,
+	}
+}
+
+func (u *ApprovalController) GetAll(c *fiber.Ctx) error {
+	moduleName := strings.TrimSpace(c.Query("module_name", ""))
+	if moduleName == "" {
+		return fiber.NewError(fiber.StatusBadRequest, "`module_name` is required")
+	}
+
+	moduleIDParam := strings.TrimSpace(c.Query("module_id", ""))
+	var moduleID *uint
+	if moduleIDParam != "" {
+		value, err := strconv.ParseUint(moduleIDParam, 10, 64)
+		if err != nil || value == 0 {
+			return fiber.NewError(fiber.StatusBadRequest, "module_id must be a positive integer")
+		}
+		id := uint(value)
+		moduleID = &id
+	}
+
+	groupByStep := c.QueryBool("group_step_number", false)
+
+	page := c.QueryInt("page", 1)
+	limit := c.QueryInt("limit", 10)
+	search := strings.TrimSpace(c.Query("search", ""))
+
+	query := &validation.Query{
+		ModuleName:  moduleName,
+		ModuleId:    moduleID,
+		GroupByStep: groupByStep,
+		Page:        page,
+		Limit:       limit,
+		Search:      search,
+	}
+
+	records, totalResults, err := u.ApprovalService.List(
+		c.Context(),
+		query.ModuleName,
+		query.ModuleId,
+		query.Page,
+		query.Limit,
+		query.Search,
+	)
+	if err != nil {
+		return err
+	}
+
+	if query.GroupByStep {
+		data := dto.ToApprovalGroupDTOs(records)
+		return c.Status(fiber.StatusOK).
+			JSON(response.SuccessWithPaginate[dto.ApprovalGroupDTO]{
+				Code:    fiber.StatusOK,
+				Status:  "success",
+				Message: "Get All approvals successfully",
+				Meta: response.Meta{
+					Page:         query.Page,
+					Limit:        query.Limit,
+					TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
+					TotalResults: totalResults,
+				},
+				Data: data,
+			})
+	}
+
+	flat := dto.ToApprovalDTOs(records)
+	return c.Status(fiber.StatusOK).
+		JSON(response.SuccessWithPaginate[dto.ApprovalBaseDTO]{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get All approvals successfully",
+			Meta: response.Meta{
+				Page:         query.Page,
+				Limit:        query.Limit,
+				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
+				TotalResults: totalResults,
+			},
+			Data: flat,
+		})
+}

internal/modules/approvals/dto/approval.dto.go

@@ -0,0 +1,122 @@
+package dto
+
+import (
+	"sort"
+	"strings"
+	"time"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
+	approvalutils "gitlab.com/mbugroup/lti-api.git/internal/utils/approvals"
+)
+
+type ApprovalBaseDTO struct {
+	StepNumber uint16              `json:"step_number"`
+	StepName   string              `json:"step_name"`
+	Action     *string             `json:"action"`
+	Notes      *string             `json:"notes"`
+	ActionBy   userDTO.UserBaseDTO `json:"action_by"`
+	ActionAt   time.Time           `json:"action_at"`
+}
+
+type ApprovalGroupDTO struct {
+	StepNumber uint16            `json:"step_number"`
+	StepName   string            `json:"step_name"`
+	Approvals  []ApprovalBaseDTO `json:"approvals"`
+}
+
+func ToApprovalDTO(e entity.Approval) ApprovalBaseDTO {
+	dto := ApprovalBaseDTO{
+		Notes: e.Notes,
+	}
+
+	if e.StepNumber > 0 {
+		stepCopy := uint16(e.StepNumber)
+		dto.StepNumber = stepCopy
+	}
+
+	stepName := strings.TrimSpace(e.StepName)
+	if stepName == "" && e.ApprovableType != "" && e.StepNumber > 0 {
+		if label, ok := approvalutils.ApprovalStepName(approvalutils.ApprovalWorkflowKey(e.ApprovableType), approvalutils.ApprovalStep(e.StepNumber)); ok {
+			stepName = label
+		}
+	}
+	dto.StepName = stepName
+
+	if e.Action != nil {
+		value := strings.TrimSpace(string(*e.Action))
+		if value != "" {
+			valueCopy := value
+			dto.Action = &valueCopy
+		}
+	}
+
+	if e.ActionUser != nil && e.ActionUser.Id != 0 {
+		user := userDTO.ToUserBaseDTO(*e.ActionUser)
+		dto.ActionBy = user
+	} else if e.ActionBy != nil && *e.ActionBy != 0 {
+		dto.ActionBy = userDTO.UserBaseDTO{
+			Id:     *e.ActionBy,
+			IdUser: int64(*e.ActionBy),
+		}
+	}
+
+	if !e.ActionAt.IsZero() {
+		at := e.ActionAt
+		dto.ActionAt = at
+	}
+
+	return dto
+}
+
+func ToApprovalDTOs(items []entity.Approval) []ApprovalBaseDTO {
+	result := make([]ApprovalBaseDTO, len(items))
+	for i, item := range items {
+		result[i] = ToApprovalDTO(item)
+	}
+	return result
+}
+
+func ToApprovalGroupDTOs(items []entity.Approval) []ApprovalGroupDTO {
+	if len(items) == 0 {
+		return nil
+	}
+
+	type groupAccumulator struct {
+		StepName  string
+		Approvals []ApprovalBaseDTO
+	}
+
+	groups := make(map[uint16]*groupAccumulator)
+	order := make([]uint16, 0)
+	for _, item := range items {
+		step := item.StepNumber
+		acc, exists := groups[step]
+		if !exists {
+			stepName := strings.TrimSpace(item.StepName)
+			if stepName == "" && item.ApprovableType != "" && item.StepNumber > 0 {
+				if label, ok := approvalutils.ApprovalStepName(approvalutils.ApprovalWorkflowKey(item.ApprovableType), approvalutils.ApprovalStep(item.StepNumber)); ok {
+					stepName = label
+				}
+			}
+			acc = &groupAccumulator{StepName: stepName}
+			groups[step] = acc
+			order = append(order, step)
+		}
+		acc.Approvals = append(acc.Approvals, ToApprovalDTO(item))
+	}
+
+	sort.Slice(order, func(i, j int) bool { return order[i] < order[j] })
+
+	result := make([]ApprovalGroupDTO, len(order))
+	for i, step := range order {
+		acc := groups[step]
+		result[i] = ApprovalGroupDTO{
+			StepNumber: step,
+			StepName:   acc.StepName,
+			Approvals:  acc.Approvals,
+		}
+	}
+
+	return result
+}

internal/modules/approvals/module.go

@@ -0,0 +1,25 @@
+package approvals
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+
+	commonRepo "gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	commonSvc "gitlab.com/mbugroup/lti-api.git/internal/common/service"
+
+	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
+	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+)
+
+type ApprovalModule struct{}
+
+func (ApprovalModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	approvalRepo := commonRepo.NewApprovalRepository(db)
+	userRepo := rUser.NewUserRepository(db)
+
+	approvalService := commonSvc.NewApprovalService(approvalRepo)
+	userService := sUser.NewUserService(userRepo, validate)
+
+	ApprovalRoutes(router, userService, approvalService)
+}

internal/modules/approvals/route.go

@@ -0,0 +1,19 @@
+package approvals
+
+import (
+	// m "gitlab.com/mbugroup/lti-api.git/internal/middleware"
+	"github.com/gofiber/fiber/v2"
+
+	common "gitlab.com/mbugroup/lti-api.git/internal/common/service"
+	controller "gitlab.com/mbugroup/lti-api.git/internal/modules/approvals/controllers"
+	user "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+)
+
+func ApprovalRoutes(v1 fiber.Router, u user.UserService, s common.ApprovalService) {
+	_ = u
+	ctrl := controller.NewApprovalController(s)
+
+	route := v1.Group("/approvals")
+
+	route.Get("/", ctrl.GetAll)
+}

internal/modules/approvals/validations/approval.validation.go

@@ -0,0 +1,10 @@
+package validation
+
+type Query struct {
+	ModuleName  string `json:"module_name" validate:"required_strict"`
+	ModuleId    *uint  `json:"module_id,omitempty" validate:"omitempty,gt=0"`
+	GroupByStep bool   `json:"group_by_step"`
+	Page        int    `query:"page" validate:"omitempty,number,min=1"`
+	Limit       int    `query:"limit" validate:"omitempty,number,min=1,max=100,gt=0"`
+	Search      string `query:"search" validate:"omitempty,max=50"`
+}

internal/modules/constants/repositories/constant.repository.go

@@ -1,9 +1,13 @@
 package repository
 
 import (
+	"sort"
+	"strconv"
+
 	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
 	utils "gitlab.com/mbugroup/lti-api.git/internal/utils"
+	approvalutils "gitlab.com/mbugroup/lti-api.git/internal/utils/approvals"
 	"gorm.io/gorm"
 )
 
@@ -26,6 +30,50 @@ func (r *ConstantRepositoryImpl) GetConstants() map[string]interface{} {
 	for f := range utils.AllFlagTypes() {
 		flagList = append(flagList, string(f))
 	}
+	sort.Strings(flagList)
+
+	type approvalStepConstant struct {
+		StepNumber uint16 `json:"step_number"`
+		StepName   string `json:"step_name"`
+	}
+
+	workflowConstants := approvalutils.WorkflowConstants()
+	workflowKeys := make([]string, 0, len(workflowConstants))
+	for key := range workflowConstants {
+		workflowKeys = append(workflowKeys, key)
+	}
+	sort.Strings(workflowKeys)
+
+	approvalWorkflows := make([]map[string]interface{}, 0, len(workflowKeys))
+	for _, key := range workflowKeys {
+		stepMap := workflowConstants[key]
+		if len(stepMap) == 0 {
+			continue
+		}
+
+		stepList := make([]approvalStepConstant, 0, len(stepMap))
+		for stepStr, label := range stepMap {
+			stepNum, err := strconv.ParseUint(stepStr, 10, 16)
+			if err != nil || stepNum == 0 {
+				continue
+			}
+			stepList = append(stepList, approvalStepConstant{
+				StepNumber: uint16(stepNum),
+				StepName:   label,
+			})
+		}
+		if len(stepList) == 0 {
+			continue
+		}
+		sort.Slice(stepList, func(i, j int) bool {
+			return stepList[i].StepNumber < stepList[j].StepNumber
+		})
+
+		approvalWorkflows = append(approvalWorkflows, map[string]interface{}{
+			"key":   key,
+			"steps": stepList,
+		})
+	}
 
 	return map[string]interface{}{
 		"flags": flagList,
@@ -42,5 +90,6 @@ func (r *ConstantRepositoryImpl) GetConstants() map[string]interface{} {
 			"BISNIS",
 			"INDIVIDUAL",
 		},
+		"approval_workflows": approvalWorkflows,
 	}
 }

internal/modules/inventory/adjustments/controllers/adjustment.controller.go

@@ -0,0 +1,103 @@
+package controller
+
+import (
+	"math"
+	"strconv"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments/dto"
+	service "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments/services"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/response"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type AdjustmentController struct {
+	AdjustmentService service.AdjustmentService
+}
+
+func NewAdjustmentController(adjustmentService service.AdjustmentService) *AdjustmentController {
+	return &AdjustmentController{
+		AdjustmentService: adjustmentService,
+	}
+}
+
+func (u *AdjustmentController) Adjustment(c *fiber.Ctx) error {
+	req := new(validation.Create)
+
+	if err := c.BodyParser(req); err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
+	}
+
+	stockLog, err := u.AdjustmentService.Adjustment(c, req)
+	if err != nil {
+		return err
+	}
+
+	adjustmentDTO := dto.ToAdjustmentDetailDTO(stockLog)
+
+	return c.Status(fiber.StatusCreated).
+		JSON(response.Success{
+			Code:    fiber.StatusCreated,
+			Status:  "success",
+			Message: "Create adjustment successfully",
+			Data:    adjustmentDTO,
+		})
+}
+
+func (u *AdjustmentController) AdjustmentHistory(c *fiber.Ctx) error {
+	query := &validation.Query{
+		Page:            c.QueryInt("page", 1),
+		Limit:           c.QueryInt("limit", 10),
+		ProductID:       uint(c.QueryInt("product_id", 0)),
+		WarehouseID:     uint(c.QueryInt("warehouse_id", 0)),
+		TransactionType: c.Query("transaction_type", ""),
+	}
+
+	result, totalResults, err := u.AdjustmentService.AdjustmentHistory(c, query)
+	if err != nil {
+		return err
+	}
+
+	// Convert to DTOs
+	adjustmentDTOs := make([]dto.AdjustmentDetailDTO, len(result))
+	for i, stockLog := range result {
+		adjustmentDTOs[i] = dto.ToAdjustmentDetailDTO(stockLog)
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.SuccessWithPaginate[dto.AdjustmentDetailDTO]{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get adjustment history successfully",
+			Meta: response.Meta{
+				Page:         query.Page,
+				Limit:        query.Limit,
+				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
+				TotalResults: totalResults,
+			},
+			Data: adjustmentDTOs,
+		})
+}
+
+func (u *AdjustmentController) GetOne(c *fiber.Ctx) error {
+	param := c.Params("id")
+
+	id, err := strconv.Atoi(param)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid Id")
+	}
+
+	stockLog, err := u.AdjustmentService.GetOne(c, uint(id))
+	if err != nil {
+		return err
+	}
+	// Use DTO for response
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get adjustment successfully",
+			Data:    dto.ToAdjustmentDetailDTO(stockLog),
+		})
+}

internal/modules/inventory/adjustments/dto/adjustment.dto.go

@@ -0,0 +1,141 @@
+package dto
+
+import (
+	"time"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	productCategoryDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/product-categories/dto"
+	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
+)
+
+// === DTO Structs ===
+
+type ProductBaseDTO struct {
+	Id              uint                                       `json:"id"`
+	Name            string                                     `json:"name"`
+	SKU             string                                     `json:"sku"`
+	ProductCategory *productCategoryDTO.ProductCategoryBaseDTO `json:"product_category,omitempty"`
+}
+
+type WarehouseBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type ProductWarehouseDTO struct {
+	Id          uint              `json:"id"`
+	ProductId   uint              `json:"product_id"`
+	WarehouseId uint              `json:"warehouse_id"`
+	Quantity    float64           `json:"quantity"`
+	Product     *ProductBaseDTO   `json:"product,omitempty"`
+	Warehouse   *WarehouseBaseDTO `json:"warehouse,omitempty"`
+}
+
+type AdjustmentBaseDTO struct {
+	Id                 uint                 `json:"id"`
+	TransactionType    string               `json:"transaction_type"`
+	Quantity           float64              `json:"quantity"`
+	BeforeQuantity     float64              `json:"before_quantity"`
+	AfterQuantity      float64              `json:"after_quantity"`
+	Note               string               `json:"note,omitempty"`
+	ProductWarehouseId uint                 `json:"product_warehouse_id"`
+	ProductWarehouse   *ProductWarehouseDTO `json:"product_warehouse,omitempty"`
+}
+
+type AdjustmentListDTO struct {
+	AdjustmentBaseDTO
+	CreatedUser *userDTO.UserBaseDTO `json:"created_user,omitempty"`
+	CreatedAt   time.Time            `json:"created_at"`
+}
+
+type AdjustmentDetailDTO struct {
+	AdjustmentListDTO
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+// === Mapper Functions ===
+
+func ToProductBaseDTO(e *entity.Product) *ProductBaseDTO {
+	if e == nil {
+		return nil
+	}
+	sku := ""
+	if e.Sku != nil {
+		sku = *e.Sku
+	}
+
+	var category *productCategoryDTO.ProductCategoryBaseDTO
+	if e.ProductCategory.Id != 0 {
+		mapped := productCategoryDTO.ToProductCategoryBaseDTO(e.ProductCategory)
+		category = &mapped
+	}
+
+	return &ProductBaseDTO{
+		Id:              e.Id,
+		Name:            e.Name,
+		SKU:             sku,
+		ProductCategory: category,
+	}
+}
+
+func ToWarehouseBaseDTO(e *entity.Warehouse) *WarehouseBaseDTO {
+	if e == nil {
+		return nil
+	}
+	return &WarehouseBaseDTO{
+		Id:   e.Id,
+		Name: e.Name,
+	}
+}
+
+func ToProductWarehouseDTO(e *entity.ProductWarehouse) *ProductWarehouseDTO {
+	if e == nil {
+		return nil
+	}
+	return &ProductWarehouseDTO{
+		Id:          e.Id,
+		ProductId:   e.ProductId,
+		WarehouseId: e.WarehouseId,
+		Quantity:    e.Quantity,
+		Product:     ToProductBaseDTO(&e.Product),
+		Warehouse:   ToWarehouseBaseDTO(&e.Warehouse),
+	}
+}
+
+func ToAdjustmentBaseDTO(e *entity.StockLog) AdjustmentBaseDTO {
+	return AdjustmentBaseDTO{
+		Id:                 e.Id,
+		TransactionType:    e.TransactionType,
+		Quantity:           e.Quantity,
+		BeforeQuantity:     e.BeforeQuantity,
+		AfterQuantity:      e.AfterQuantity,
+		Note:               e.Note,
+		ProductWarehouseId: e.ProductWarehouseId,
+		ProductWarehouse:   ToProductWarehouseDTO(e.ProductWarehouse),
+	}
+}
+
+func ToAdjustmentListDTO(e *entity.StockLog) AdjustmentListDTO {
+	var createdUser *userDTO.UserBaseDTO
+	if e.CreatedUser != nil {
+		createdUser = &userDTO.UserBaseDTO{
+			Id:     e.CreatedUser.Id,
+			IdUser: e.CreatedUser.IdUser,
+			Email:  e.CreatedUser.Email,
+			Name:   e.CreatedUser.Name,
+		}
+	}
+
+	return AdjustmentListDTO{
+		AdjustmentBaseDTO: ToAdjustmentBaseDTO(e),
+		CreatedUser:       createdUser,
+		CreatedAt:         e.CreatedAt,
+	}
+}
+
+func ToAdjustmentDetailDTO(e *entity.StockLog) AdjustmentDetailDTO {
+	return AdjustmentDetailDTO{
+		AdjustmentListDTO: ToAdjustmentListDTO(e),
+		UpdatedAt:         e.UpdatedAt,
+	}
+}

internal/modules/inventory/adjustments/module.go

@@ -0,0 +1,31 @@
+package adjustments
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+
+	sAdjustment "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments/services"
+	rProductWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/repositories"
+	rproduct "gitlab.com/mbugroup/lti-api.git/internal/modules/master/products/repositories"
+	rWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/master/warehouses/repositories"
+	rStockLogs "gitlab.com/mbugroup/lti-api.git/internal/modules/shared/repositories"
+
+	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
+	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+)
+
+type AdjustmentModule struct{}
+
+func (AdjustmentModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	stockLogsRepo := rStockLogs.NewStockLogRepository(db)
+	warehouseRepo := rWarehouse.NewWarehouseRepository(db)
+	productWarehouseRepo := rProductWarehouse.NewProductWarehouseRepository(db)
+	userRepo := rUser.NewUserRepository(db)
+	productRepo := rproduct.NewProductRepository(db)
+
+	adjustmentService := sAdjustment.NewAdjustmentService(productRepo, stockLogsRepo, warehouseRepo, productWarehouseRepo, validate)
+	userService := sUser.NewUserService(userRepo, validate)
+
+	AdjustmentRoutes(router, userService, adjustmentService)
+}

internal/modules/inventory/adjustments/route.go

@@ -0,0 +1,22 @@
+package adjustments
+
+import (
+	// m "gitlab.com/mbugroup/lti-api.git/internal/middleware"
+	controller "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments/controllers"
+	adjustment "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments/services"
+	user "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func AdjustmentRoutes(v1 fiber.Router, u user.UserService, s adjustment.AdjustmentService) {
+	ctrl := controller.NewAdjustmentController(s)
+
+	route := v1.Group("/adjustments")
+
+	// Standard CRUD routes following master data pattern
+	route.Get("/", ctrl.AdjustmentHistory) // Get all with pagination and filters
+	route.Post("/", ctrl.Adjustment)       // Create adjustment
+	route.Get("/:id", ctrl.GetOne)
+
+}

internal/modules/inventory/adjustments/services/adjustment.service.go

@@ -0,0 +1,235 @@
+package service
+
+import (
+	"errors"
+	"strings"
+
+	common "gitlab.com/mbugroup/lti-api.git/internal/common/service"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments/validations"
+	ProductWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/repositories"
+	productRepo "gitlab.com/mbugroup/lti-api.git/internal/modules/master/products/repositories"
+	warehouseRepo "gitlab.com/mbugroup/lti-api.git/internal/modules/master/warehouses/repositories"
+	stockLogsRepo "gitlab.com/mbugroup/lti-api.git/internal/modules/shared/repositories"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+	"gorm.io/gorm"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"github.com/sirupsen/logrus"
+)
+
+type AdjustmentService interface {
+	Adjustment(ctx *fiber.Ctx, req *validation.Create) (*entity.StockLog, error)
+	GetOne(ctx *fiber.Ctx, id uint) (*entity.StockLog, error)
+	AdjustmentHistory(ctx *fiber.Ctx, query *validation.Query) ([]*entity.StockLog, int64, error)
+}
+
+type adjustmentService struct {
+	Log                  *logrus.Logger
+	Validate             *validator.Validate
+	StockLogsRepository  stockLogsRepo.StockLogRepository
+	WarehouseRepo        warehouseRepo.WarehouseRepository
+	ProductWarehouseRepo ProductWarehouse.ProductWarehouseRepository
+	ProductRepo          productRepo.ProductRepository
+}
+
+func NewAdjustmentService(productRepo productRepo.ProductRepository, stockLogsRepo stockLogsRepo.StockLogRepository, warehouseRepo warehouseRepo.WarehouseRepository, productWarehouseRepo ProductWarehouse.ProductWarehouseRepository, validate *validator.Validate) AdjustmentService {
+	return &adjustmentService{
+		Log:                  utils.Log,
+		Validate:             validate,
+		StockLogsRepository:  stockLogsRepo,
+		WarehouseRepo:        warehouseRepo,
+		ProductWarehouseRepo: productWarehouseRepo,
+		ProductRepo:          productRepo,
+	}
+}
+
+func (s *adjustmentService) withRelations(db *gorm.DB) *gorm.DB {
+	return db.
+		Preload("ProductWarehouse").
+		Preload("ProductWarehouse.Product").
+		Preload("ProductWarehouse.Warehouse").
+		Preload("CreatedUser")
+}
+
+func (s *adjustmentService) GetOne(c *fiber.Ctx, id uint) (*entity.StockLog, error) {
+	stockLog, err := s.StockLogsRepository.GetByID(c.Context(), id, func(db *gorm.DB) *gorm.DB {
+		return s.withRelations(db).Preload("ProductWarehouse.Product.ProductCategory")
+	})
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, fiber.NewError(fiber.StatusNotFound, "Adjustment not found")
+		}
+		s.Log.Errorf("Failed to get adjustment by id: %+v", err)
+		return nil, err
+	}
+
+	if stockLog.LogType != entity.LogTypeAdjustment {
+		return nil, fiber.NewError(fiber.StatusNotFound, "Adjustment not found")
+	}
+
+	return stockLog, nil
+}
+
+func (s *adjustmentService) Adjustment(c *fiber.Ctx, req *validation.Create) (*entity.StockLog, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+	ctx := c.Context()
+
+	if err := common.EnsureRelations(c.Context(),
+		common.RelationCheck{Name: "Product", ID: &req.ProductID, Exists: s.ProductRepo.IdExists},
+		common.RelationCheck{Name: "Warehouse", ID: &req.WarehouseID, Exists: s.WarehouseRepo.IdExists},
+	); err != nil {
+		return nil, err
+	}
+
+	if req.Quantity <= 0 {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Quantity must be greater than zero")
+	}
+	transactionType := strings.ToUpper(req.TransactionType)
+	if transactionType != entity.TransactionTypeIncrease && transactionType != entity.TransactionTypeDecrease {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid transaction type")
+	}
+
+	var createdLogId uint
+
+	isProductWarehouseExist, err := s.ProductWarehouseRepo.ProductWarehouseExistByProductAndWarehouseID(ctx, uint(req.ProductID), uint(req.WarehouseID))
+	if err != nil {
+		s.Log.Errorf("Failed to check product warehouse existence: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate product warehouse")
+	}
+	if !isProductWarehouseExist {
+
+		newPW := &entity.ProductWarehouse{
+			ProductId:   uint(req.ProductID),
+			WarehouseId: uint(req.WarehouseID),
+			Quantity:    0,
+			CreatedBy:   1, // TODO: should Get from auth middleware
+		}
+
+		if err := s.ProductWarehouseRepo.CreateOne(ctx, newPW, nil); err != nil {
+			s.Log.Errorf("Failed to create product warehouse: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to create product warehouse")
+		}
+		s.Log.Infof("Product warehouse created: %+v", newPW.Id)
+	}
+
+	err = s.StockLogsRepository.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		productWarehouse, err := s.ProductWarehouseRepo.GetProductWarehouseByProductAndWarehouseID(ctx, uint(req.ProductID), uint(req.WarehouseID))
+		if err != nil {
+			s.Log.Errorf("Failed to get product warehouse: %+v", err)
+			return fiber.NewError(fiber.StatusInternalServerError, "Failed to get product warehouse")
+		}
+
+		afterQuantity := productWarehouse.Quantity
+		if transactionType == entity.TransactionTypeIncrease {
+			afterQuantity += req.Quantity
+		} else {
+			if productWarehouse.Quantity < req.Quantity {
+				return fiber.NewError(fiber.StatusBadRequest, "Insufficient stock for adjustment")
+			}
+			afterQuantity -= req.Quantity
+		}
+
+		newLog := &entity.StockLog{
+			TransactionType:    transactionType,
+			Quantity:           req.Quantity,
+			BeforeQuantity:     productWarehouse.Quantity,
+			AfterQuantity:      afterQuantity,
+			LogType:            entity.LogTypeAdjustment,
+			LogId:              0,
+			Note:               req.Note,
+			ProductWarehouseId: productWarehouse.Id,
+			CreatedBy:          1, // TODO: should Get from auth middleware
+		}
+
+		if err := s.StockLogsRepository.WithTx(tx).CreateOne(ctx, newLog, nil); err != nil {
+			s.Log.Errorf("Failed to create stock log: %+v", err)
+			return err
+		}
+
+		productWarehouse.Quantity = afterQuantity
+		if err := s.ProductWarehouseRepo.WithTx(tx).UpdateOne(ctx, productWarehouse.Id, productWarehouse, nil); err != nil {
+			s.Log.Errorf("Failed to update product warehouse quantity: %+v", err)
+			return err
+		}
+
+		createdLogId = newLog.Id
+		return nil
+	})
+
+	if err != nil {
+		s.Log.Errorf("Transaction failed in CreateOne: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to process adjustment transaction")
+	}
+
+	return s.GetOne(c, createdLogId)
+}
+
+func (s *adjustmentService) AdjustmentHistory(c *fiber.Ctx, query *validation.Query) ([]*entity.StockLog, int64, error) {
+	if err := s.Validate.Struct(query); err != nil {
+		return nil, 0, err
+	}
+	offset := (query.Page - 1) * query.Limit
+
+	isWarehousesExist, err := s.WarehouseRepo.IdExists(c.Context(), uint(query.WarehouseID))
+	if err != nil {
+		s.Log.Errorf("Failed to check warehouse existence: %+v", err)
+		return nil, 0, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate warehouse")
+	}
+	if query.WarehouseID > 0 && !isWarehousesExist {
+		return nil, 0, fiber.NewError(fiber.StatusNotFound, "Warehouse not found")
+	}
+
+	isProductsExist, err := s.ProductRepo.IdExists(c.Context(), uint(query.ProductID))
+	if err != nil {
+		s.Log.Errorf("Failed to check product existence: %+v", err)
+		return nil, 0, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate product")
+	}
+	if query.ProductID > 0 && !isProductsExist {
+		return nil, 0, fiber.NewError(fiber.StatusNotFound, "Product not found")
+	}
+
+	stockLogs, total, err := s.StockLogsRepository.GetAll(c.Context(), offset, query.Limit, func(db *gorm.DB) *gorm.DB {
+
+		db = s.withRelations(db)
+
+		db = db.Where("log_type = ?", entity.LogTypeAdjustment)
+
+		if query.TransactionType != "" {
+			db = db.Where("transaction_type = ?", strings.ToUpper(query.TransactionType))
+		}
+		if query.ProductID > 0 {
+			db = db.Joins("JOIN product_warehouses ON product_warehouses.id = stock_logs.product_warehouse_id").
+				Where("product_warehouses.product_id = ?", query.ProductID)
+		}
+
+		if query.WarehouseID > 0 {
+			if query.ProductID > 0 {
+
+				db = db.Where("product_warehouses.warehouse_id = ?", query.WarehouseID)
+			} else {
+
+				db = db.Joins("JOIN product_warehouses ON product_warehouses.id = stock_logs.product_warehouse_id").
+					Where("product_warehouses.warehouse_id = ?", query.WarehouseID)
+			}
+		}
+
+		return db.Order("created_at DESC")
+	})
+
+	if err != nil {
+		s.Log.Errorf("Failed to get adjustments: %+v", err)
+		return nil, 0, fiber.NewError(fiber.StatusInternalServerError, "Failed to get adjustment history")
+	}
+
+	result := make([]*entity.StockLog, len(stockLogs))
+	for i, v := range stockLogs {
+		result[i] = &v
+	}
+
+	return result, total, nil
+}

internal/modules/inventory/adjustments/validations/adjustment.validation.go

@@ -0,0 +1,17 @@
+package validation
+
+type Create struct {
+	ProductID       uint    `json:"product_id" validate:"required"`
+	WarehouseID     uint    `json:"warehouse_id" validate:"required"`
+	TransactionType string  `json:"transaction_type" validate:"required,oneof=increase decrease"`
+	Quantity        float64 `json:"quantity" validate:"required,gt=0"`
+	Note            string  `json:"note" validate:"omitempty,max=255"`
+}
+
+type Query struct {
+	Page            int    `query:"page" validate:"omitempty,min=1"`
+	Limit           int    `query:"limit" validate:"omitempty,min=1,max=100"`
+	ProductID       uint   `query:"product_id" validate:"omitempty,min=0"`
+	WarehouseID     uint   `query:"warehouse_id" validate:"omitempty,min=0"`
+	TransactionType string `query:"transaction_type" validate:"omitempty,oneof=increase decrease"`
+}

internal/modules/inventory/module.go

@@ -0,0 +1,13 @@
+package inventory
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+)
+
+type InventoryModule struct{}
+
+func (InventoryModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	RegisterRoutes(router, db, validate)
+}

internal/modules/inventory/product-warehouses/controllers/product_warehouse.controller.go

@@ -0,0 +1,75 @@
+package controller
+
+import (
+	"math"
+	"strconv"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/dto"
+	service "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/services"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/response"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type ProductWarehouseController struct {
+	ProductWarehouseService service.ProductWarehouseService
+}
+
+func NewProductWarehouseController(productWarehouseService service.ProductWarehouseService) *ProductWarehouseController {
+	return &ProductWarehouseController{
+		ProductWarehouseService: productWarehouseService,
+	}
+}
+
+func (u *ProductWarehouseController) GetAll(c *fiber.Ctx) error {
+	query := &validation.Query{
+		Page:        c.QueryInt("page", 1),
+		Limit:       c.QueryInt("limit", 10),
+		ProductId:   uint(c.QueryInt("product_id", 0)),
+		WarehouseId: uint(c.QueryInt("warehouse_id", 0)),
+	}
+
+	result, totalResults, err := u.ProductWarehouseService.GetAll(c, query)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.SuccessWithPaginate[dto.ProductWarehouseListDTO]{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get all productWarehouses successfully",
+			Meta: response.Meta{
+				Page:         query.Page,
+				Limit:        query.Limit,
+				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
+				TotalResults: totalResults,
+			},
+			Data: dto.ToProductWarehouseListDTOs(result),
+		})
+}
+
+func (u *ProductWarehouseController) GetOne(c *fiber.Ctx) error {
+	param := c.Params("id")
+
+	id, err := strconv.Atoi(param)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid Id")
+	}
+
+	result, err := u.ProductWarehouseService.GetOne(c, uint(id))
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get productWarehouse successfully",
+			Data:    dto.ToProductWarehouseListDTO(*result),
+		})
+}
+
+

internal/modules/inventory/product-warehouses/dto/product_warehouse.dto.go

@@ -0,0 +1,178 @@
+package dto
+
+import (
+	"time"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+)
+
+// === DTO Structs ===
+
+type ProductWarehouseBaseDTO struct {
+	Id          uint    `json:"id"`
+	ProductId   uint    `json:"product_id"`
+	WarehouseId uint    `json:"warehouse_id"`
+	Quantity    float64 `json:"quantity"`
+}
+
+type ProductWarehouseListDTO struct {
+	ProductWarehouseBaseDTO
+	Product     *ProductBaseDTO   `json:"product,omitempty"`
+	Warehouse   *WarehouseBaseDTO `json:"warehouse,omitempty"`
+	CreatedUser *UserBaseDTO      `json:"created_user,omitempty"`
+	CreatedAt   time.Time         `json:"created_at"`
+	UpdatedAt   time.Time         `json:"updated_at"`
+}
+
+type UserBaseDTO struct {
+	Id       uint   `json:"id"`
+	Username string `json:"username"`
+}
+
+type ProductWarehouseDetailDTO struct {
+	ProductWarehouseListDTO
+}
+
+// Nested DTOs for relations
+type ProductBaseDTO struct {
+	Id    uint     `json:"id"`
+	Name  string   `json:"name"`
+	Sku   string   `json:"sku"`
+	Flags []string `json:"flags"`
+}
+
+type WarehouseBaseDTO struct {
+	Id       uint             `json:"id"`
+	Name     string           `json:"name"`
+	Kandang  *KandangBaseDTO  `json:"kandang,omitempty"`
+	Location *LocationBaseDTO `json:"location,omitempty"`
+	Area     *AreaBaseDTO     `json:"area,omitempty"`
+}
+
+type KandangBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type LocationBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type AreaBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+// === Mapper Functions ===
+
+func ToProductWarehouseBaseDTO(e entity.ProductWarehouse) ProductWarehouseBaseDTO {
+	return ProductWarehouseBaseDTO{
+		Id:          e.Id,
+		ProductId:   e.ProductId,   // Field yang benar dari entity
+		WarehouseId: e.WarehouseId, // Field yang benar dari entity
+		Quantity:    e.Quantity,
+	}
+}
+
+func ToProductWarehouseListDTO(e entity.ProductWarehouse) ProductWarehouseListDTO {
+	dto := ProductWarehouseListDTO{
+		ProductWarehouseBaseDTO: ToProductWarehouseBaseDTO(e),
+		CreatedAt:               e.CreatedAt,
+		UpdatedAt:               e.UpdatedAt,
+	}
+
+	// Map Product relation jika ada
+	if e.Product.Id != 0 {
+		product := ProductBaseDTO{
+			Id:   e.Product.Id,
+			Name: e.Product.Name,
+		}
+		if e.Product.Sku != nil {
+			product.Sku = *e.Product.Sku
+		}
+		if len(e.Product.Flags) > 0 {
+			for _, f := range e.Product.Flags {
+				product.Flags = append(product.Flags, f.Name)
+			}
+		}
+		dto.Product = &product
+	}
+
+	// Map Warehouse relation jika ada
+	if e.Warehouse.Id != 0 {
+		warehouse := WarehouseBaseDTO{
+			Id:   e.Warehouse.Id,
+			Name: e.Warehouse.Name,
+		}
+		// Map Kandang jika ada
+		if e.Warehouse.Kandang != nil && e.Warehouse.Kandang.Id != 0 {
+			warehouse.Kandang = &KandangBaseDTO{
+				Id:   e.Warehouse.Kandang.Id,
+				Name: e.Warehouse.Kandang.Name,
+			}
+		}
+		// Map Location jika ada
+		if e.Warehouse.Location != nil && e.Warehouse.Location.Id != 0 {
+			warehouse.Location = &LocationBaseDTO{
+				Id:   e.Warehouse.Location.Id,
+				Name: e.Warehouse.Location.Name,
+			}
+		}
+
+		if &e.Warehouse.Area != nil && e.Warehouse.Area.Id != 0 {
+			warehouse.Area = &AreaBaseDTO{
+				Id:   e.Warehouse.Area.Id,
+				Name: e.Warehouse.Area.Name,
+			}
+		}
+
+		dto.Warehouse = &warehouse
+	}
+
+	// Map CreatedUser relation jika ada
+	if e.CreatedUser.Id != 0 {
+		user := UserBaseDTO{
+			Id:       e.CreatedUser.Id,
+			Username: e.CreatedUser.Name,
+		}
+		dto.CreatedUser = &user
+	}
+
+	return dto
+}
+
+func ToProductWarehouseListDTOs(e []entity.ProductWarehouse) []ProductWarehouseListDTO {
+	result := make([]ProductWarehouseListDTO, len(e))
+	for i, r := range e {
+		result[i] = ToProductWarehouseListDTO(r)
+	}
+	return result
+}
+
+func ToProductWarehouseDetailDTO(e entity.ProductWarehouse) ProductWarehouseDetailDTO {
+	return ProductWarehouseDetailDTO{
+		ProductWarehouseListDTO: ToProductWarehouseListDTO(e),
+	}
+}
+
+func ToKandangBaseDTO(e entity.Kandang) KandangBaseDTO {
+	return KandangBaseDTO{
+		Id:   e.Id,
+		Name: e.Name,
+	}
+}
+
+func ToLocationBaseDTO(e entity.Location) LocationBaseDTO {
+	return LocationBaseDTO{
+		Id:   e.Id,
+		Name: e.Name,
+	}
+}
+
+func ToAreaBaseDTO(e entity.Area) AreaBaseDTO {
+	return AreaBaseDTO{
+		Id:   e.Id,
+		Name: e.Name,
+	}
+}

internal/modules/inventory/product-warehouses/module.go

@@ -0,0 +1,26 @@
+package productWarehouses
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+
+	rProductWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/repositories"
+	sProductWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/services"
+
+	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
+	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+)
+
+type ProductWarehouseModule struct{}
+
+func (ProductWarehouseModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	productWarehouseRepo := rProductWarehouse.NewProductWarehouseRepository(db)
+	userRepo := rUser.NewUserRepository(db)
+
+	productWarehouseService := sProductWarehouse.NewProductWarehouseService(productWarehouseRepo, validate)
+	userService := sUser.NewUserService(userRepo, validate)
+
+	ProductWarehouseRoutes(router, userService, productWarehouseService)
+}
+

internal/modules/inventory/product-warehouses/repositories/product_warehouse.repository.go

@@ -0,0 +1,74 @@
+package repository
+
+import (
+	"context"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type ProductWarehouseRepository interface {
+	repository.BaseRepository[entity.ProductWarehouse]
+	ProductWarehouseExists(ctx context.Context, productId, warehouseId uint, excludeID *uint) (bool, error)
+	IsProductExist(ctx context.Context, productId uint) (bool, error)
+	IsWarehouseExist(ctx context.Context, warehouseId uint) (bool, error)
+	ProductWarehouseExistByProductAndWarehouseID(ctx context.Context, productId, warehouseId uint) (bool, error)
+	ExistsByID(ctx context.Context, id uint) (bool, error)
+	GetProductWarehouseByProductAndWarehouseID(ctx context.Context, productId, warehouseId uint) (*entity.ProductWarehouse, error)
+}
+
+type ProductWarehouseRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.ProductWarehouse]
+	db *gorm.DB
+}
+
+func NewProductWarehouseRepository(db *gorm.DB) ProductWarehouseRepository {
+	return &ProductWarehouseRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.ProductWarehouse](db),
+		db:                 db,
+	}
+}
+
+func (r *ProductWarehouseRepositoryImpl) ProductWarehouseExists(ctx context.Context, productId, warehouseId uint, excludeID *uint) (bool, error) {
+	var count int64
+	query := r.db.WithContext(ctx).Model(&entity.ProductWarehouse{}).
+		Where("product_id = ? AND warehouse_id = ?", productId, warehouseId)
+	if excludeID != nil {
+		query = query.Where("id != ?", *excludeID)
+	}
+	if err := query.Count(&count).Error; err != nil {
+		return false, err
+	}
+	return count > 0, nil
+}
+
+func (r *ProductWarehouseRepositoryImpl) IsProductExist(ctx context.Context, productId uint) (bool, error) {
+	return repository.Exists[entity.Product](ctx, r.db, productId)
+}
+func (r *ProductWarehouseRepositoryImpl) IsWarehouseExist(ctx context.Context, warehouseId uint) (bool, error) {
+	return repository.Exists[entity.Warehouse](ctx, r.db, warehouseId)
+}
+
+func (r *ProductWarehouseRepositoryImpl) ExistsByID(ctx context.Context, id uint) (bool, error) {
+	return repository.Exists[entity.ProductWarehouse](ctx, r.db, id)
+}
+
+func (r *ProductWarehouseRepositoryImpl) ProductWarehouseExistByProductAndWarehouseID(ctx context.Context, productId, warehouseId uint) (bool, error) {
+	var count int64
+	if err := r.db.WithContext(ctx).
+		Model(&entity.ProductWarehouse{}).
+		Where("product_id = ? AND warehouse_id = ?", productId, warehouseId).
+		Count(&count).Error; err != nil {
+		return false, err
+	}
+	return count > 0, nil
+}
+
+func (r *ProductWarehouseRepositoryImpl) GetProductWarehouseByProductAndWarehouseID(ctx context.Context, productId, warehouseId uint) (*entity.ProductWarehouse, error) {
+	var productWarehouse entity.ProductWarehouse
+	if err := r.DB().WithContext(ctx).Where("product_id = ? AND warehouse_id = ?", productId, warehouseId).First(&productWarehouse).Error; err != nil {
+		return nil, err
+	}
+	return &productWarehouse, nil
+}

internal/modules/inventory/product-warehouses/route.go

@@ -0,0 +1,26 @@
+package productWarehouses
+
+import (
+	// m "gitlab.com/mbugroup/lti-api.git/internal/middleware"
+	controller "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/controllers"
+	productWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/services"
+	user "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func ProductWarehouseRoutes(v1 fiber.Router, u user.UserService, s productWarehouse.ProductWarehouseService) {
+	ctrl := controller.NewProductWarehouseController(s)
+
+	route := v1.Group("/product-warehouses")
+
+	// route.Get("/", m.Auth(u), ctrl.GetAll)
+	// route.Post("/", m.Auth(u), ctrl.CreateOne)
+	// route.Get("/:id", m.Auth(u), ctrl.GetOne)
+	// route.Patch("/:id", m.Auth(u), ctrl.UpdateOne)
+	// route.Delete("/:id", m.Auth(u), ctrl.DeleteOne)
+
+	route.Get("/", ctrl.GetAll)
+	route.Get("/:id", ctrl.GetOne)
+
+}

internal/modules/inventory/product-warehouses/services/product_warehouse.service.go

@@ -0,0 +1,85 @@
+package service
+
+import (
+	"errors"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	repository "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/repositories"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"github.com/sirupsen/logrus"
+	"gorm.io/gorm"
+)
+
+type ProductWarehouseService interface {
+	GetAll(ctx *fiber.Ctx, params *validation.Query) ([]entity.ProductWarehouse, int64, error)
+	GetOne(ctx *fiber.Ctx, id uint) (*entity.ProductWarehouse, error)
+}
+
+type productWarehouseService struct {
+	Log        *logrus.Logger
+	Validate   *validator.Validate
+	Repository repository.ProductWarehouseRepository
+}
+
+func NewProductWarehouseService(repo repository.ProductWarehouseRepository, validate *validator.Validate) ProductWarehouseService {
+	return &productWarehouseService{
+		Log:        utils.Log,
+		Validate:   validate,
+		Repository: repo,
+	}
+}
+
+func (s productWarehouseService) withRelations(db *gorm.DB) *gorm.DB {
+	return db.
+		Preload("Product.Flags").
+		Preload("Product").
+		Preload("Warehouse").
+		Preload("Warehouse.Location").
+		Preload("Warehouse.Area").
+		Preload("Warehouse.Kandang").
+		Preload("CreatedUser")
+}
+
+func (s productWarehouseService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.ProductWarehouse, int64, error) {
+	if err := s.Validate.Struct(params); err != nil {
+		return nil, 0, err
+	}
+
+	offset := (params.Page - 1) * params.Limit
+
+	productWarehouses, total, err := s.Repository.GetAll(c.Context(), offset, params.Limit, func(db *gorm.DB) *gorm.DB {
+		db = s.withRelations(db)
+
+		if params.ProductId != 0 {
+			db = db.Where("product_id = ?", params.ProductId)
+		}
+
+		if params.WarehouseId != 0 {
+			db = db.Where("warehouse_id = ?", params.WarehouseId)
+		}
+
+		return db.Order("created_at DESC").Order("updated_at DESC")
+	})
+
+	if err != nil {
+		s.Log.Errorf("Failed to get productWarehouses: %+v", err)
+		return nil, 0, err
+	}
+	return productWarehouses, total, nil
+}
+
+func (s productWarehouseService) GetOne(c *fiber.Ctx, id uint) (*entity.ProductWarehouse, error) {
+	productWarehouse, err := s.Repository.GetByID(c.Context(), id, s.withRelations)
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusNotFound, "ProductWarehouse not found")
+	}
+	if err != nil {
+		s.Log.Errorf("Failed get productWarehouse by id: %+v", err)
+		return nil, err
+	}
+	return productWarehouse, nil
+}

internal/modules/inventory/product-warehouses/validations/product_warehouse.validation.go

@@ -0,0 +1,20 @@
+package validation
+
+type Create struct {
+	ProductId   uint    `json:"product_id" validate:"required,number,min=1"`
+	WarehouseId uint    `json:"warehouse_id" validate:"required,number,min=1"`
+	Quantity    float64 `json:"quantity" validate:"required,number,min=0"`
+}
+
+type Update struct {
+	ProductId   *uint    `json:"product_id,omitempty" validate:"omitempty,number,min=1"`
+	WarehouseId *uint    `json:"warehouse_id,omitempty" validate:"omitempty,number,min=1"`
+	Quantity    *float64 `json:"quantity,omitempty" validate:"omitempty,number,min=0"`
+}
+
+type Query struct {
+	Page        int  `query:"page" validate:"omitempty,number,min=1"`
+	Limit       int  `query:"limit" validate:"omitempty,number,min=1,max=100"`
+	ProductId   uint `query:"product_id" validate:"omitempty,number,min=1"`
+	WarehouseId uint `query:"warehouse_id" validate:"omitempty,number,min=1"`
+}

internal/modules/inventory/route.go

@@ -0,0 +1,30 @@
+package inventory
+
+import (
+	"gitlab.com/mbugroup/lti-api.git/internal/modules"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+
+	productWarehouses "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses"
+	adjustments "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/adjustments"
+	transfers "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers"
+	// MODULE IMPORTS
+)
+
+func RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	group := router.Group("/inventory")
+
+	allModules := []modules.Module{
+		productWarehouses.ProductWarehouseModule{},
+
+		adjustments.AdjustmentModule{},
+		transfers.TransferModule{},
+		// MODULE REGISTRY
+	}
+
+	for _, m := range allModules {
+		m.RegisterRoutes(group, db, validate)
+	}
+}

internal/modules/inventory/transfers/controllers/transfer.controller.go

@@ -0,0 +1,103 @@
+package controller
+
+import (
+	"encoding/json"
+	"math"
+	"strconv"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/dto"
+	service "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/services"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/response"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type TransferController struct {
+	TransferService service.TransferService
+}
+
+func NewTransferController(transferService service.TransferService) *TransferController {
+	return &TransferController{
+		TransferService: transferService,
+	}
+}
+
+func (u *TransferController) GetAll(c *fiber.Ctx) error {
+	query := &validation.Query{
+		Page:   c.QueryInt("page", 1),
+		Limit:  c.QueryInt("limit", 10),
+		Search: c.Query("search", ""),
+	}
+
+	result, totalResults, err := u.TransferService.GetAll(c, query)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.SuccessWithPaginate[dto.TransferListDTO]{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get all transfers successfully",
+			Meta: response.Meta{
+				Page:         query.Page,
+				Limit:        query.Limit,
+				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
+				TotalResults: totalResults,
+			},
+			Data: dto.ToTransferListDTOs(result),
+		})
+}
+
+func (u *TransferController) GetOne(c *fiber.Ctx) error {
+	param := c.Params("id")
+
+	id, err := strconv.Atoi(param)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid Id")
+	}
+
+	result, err := u.TransferService.GetOne(c, uint(id))
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get transfer successfully",
+			Data:    dto.ToTransferListDTO(*result),
+		})
+}
+
+func (u *TransferController) CreateOne(c *fiber.Ctx) error {
+	data := c.FormValue("data")
+
+	var req validation.TransferRequest
+	if err := json.Unmarshal([]byte(data), &req); err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
+	}
+
+	// ambil file
+	form, err := c.MultipartForm()
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid multipart form")
+	}
+	_ = form.File["documents"]
+	// todo: tunggu ada aws baru proses
+
+	result, err := u.TransferService.CreateOne(c, &req)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusCreated).
+		JSON(response.Success{
+			Code:    fiber.StatusCreated,
+			Status:  "success",
+			Message: "Create transfer successfully",
+			Data:    dto.ToTransferListDTO(*result),
+		})
+}

internal/modules/inventory/transfers/dto/transfer.dto.go

@@ -0,0 +1,245 @@
+package dto
+
+import (
+	"time"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
+)
+
+// === DTO Structs ===
+
+type TransferBaseDTO struct {
+	Id                   uint64              `json:"id"`
+	TransferReason       string              `json:"transfer_reason"`
+	TransferDate         string              `json:"transfer_date"`
+	SourceWarehouse      *WarehouseDetailDTO `json:"source_warehouse,omitempty"`
+	DestinationWarehouse *WarehouseDetailDTO `json:"destination_warehouse,omitempty"`
+}
+
+// Only id and name for warehouse simple view
+type WarehouseSimpleDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type ProductSimpleDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type AreaDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type LocationDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type SupplierSimpleDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type WarehouseDetailDTO struct {
+	Id       uint         `json:"id"`
+	Name     string       `json:"name"`
+	Location *LocationDTO `json:"location"`
+	Area     *AreaDTO     `json:"area"`
+}
+
+type TransferListDTO struct {
+	TransferBaseDTO
+	CreatedUser *userDTO.UserBaseDTO    `json:"created_user,omitempty"`
+	CreatedAt   time.Time               `json:"created_at"`
+	UpdatedAt   time.Time               `json:"updated_at"`
+	Details     []TransferDetailItemDTO `json:"details"`
+	Deliveries  []TransferDeliveryDTO   `json:"deliveries"`
+}
+
+type TransferDetailDTO struct {
+	TransferListDTO
+	Details    []TransferDetailItemDTO `json:"details"`
+	Deliveries []TransferDeliveryDTO   `json:"deliveries"`
+}
+
+// Detail produk
+type TransferDetailItemDTO struct {
+	Id       uint64           `json:"id"`
+	Proudct  ProductSimpleDTO `json:"product"`
+	Quantity float64          `json:"quantity"`
+}
+
+// Delivery ekspedisi
+type TransferDeliveryDTO struct {
+	Id                uint64                    `json:"id"`
+	Supplier          SupplierSimpleDTO         `json:"supplier"`
+	VehiclePlate      string                    `json:"vehicle_plate"`
+	DriverName        string                    `json:"driver_name"`
+	DocumentNumber    string                    `json:"document_number"`
+	DocumentPath      string                    `json:"document_path"`
+	ShippingCostItem  float64                   `json:"shipping_cost_item"`
+	ShippingCostTotal float64                   `json:"shipping_cost_total"`
+	Items             []TransferDeliveryItemDTO `json:"items"`
+}
+
+type TransferDeliveryItemDTO struct {
+	Id                    uint64  `json:"id"`
+	StockTransferDetailId uint64  `json:"stock_transfer_detail_id"`
+	Quantity              float64 `json:"quantity"`
+}
+
+// === Mapper Functions ===
+
+func ToTransferBaseDTO(e entity.StockTransfer) TransferBaseDTO {
+
+	var sourceWarehouse *WarehouseDetailDTO
+	if e.FromWarehouse != nil && e.FromWarehouse.Id != 0 {
+		sourceWarehouse = toWarehouseDetailDTO(e.FromWarehouse)
+	}
+	var destinationWarehouse *WarehouseDetailDTO
+	if e.ToWarehouse != nil && e.ToWarehouse.Id != 0 {
+		destinationWarehouse = toWarehouseDetailDTO(e.ToWarehouse)
+	}
+	return TransferBaseDTO{
+		Id:                   e.Id,
+		TransferReason:       e.Reason,
+		TransferDate:         e.CreatedAt.Format("2006-01-02"),
+		SourceWarehouse:      sourceWarehouse,
+		DestinationWarehouse: destinationWarehouse,
+	}
+}
+
+func toAreaDTO(a *entity.Area) *AreaDTO {
+	if a == nil {
+		return nil
+	}
+	return &AreaDTO{
+		Id:   a.Id,
+		Name: a.Name,
+	}
+}
+
+func toLocationDTO(l *entity.Location) *LocationDTO {
+	if l == nil {
+		return nil
+	}
+	return &LocationDTO{
+		Id:   l.Id,
+		Name: l.Name,
+	}
+}
+
+func toWarehouseDetailDTO(w *entity.Warehouse) *WarehouseDetailDTO {
+	if w == nil {
+		return nil
+	}
+	return &WarehouseDetailDTO{
+		Id:       w.Id,
+		Name:     w.Name,
+		Location: toLocationDTO(w.Location),
+		Area:     toAreaDTO(&w.Area), // Ambil area langsung dari warehouse (area_id)
+	}
+}
+
+func ToTransferListDTO(e entity.StockTransfer) TransferListDTO {
+	var createdUser *userDTO.UserBaseDTO
+	if e.CreatedUser != nil {
+		mapped := userDTO.ToUserBaseDTO(*e.CreatedUser)
+		createdUser = &mapped
+	}
+	// Map details
+	var details []TransferDetailItemDTO
+	for _, d := range e.Details {
+		details = append(details, TransferDetailItemDTO{
+			Id: d.Id,
+			Proudct: ProductSimpleDTO{
+				Id:   d.Product.Id,
+				Name: d.Product.Name,
+			},
+			Quantity: d.Quantity,
+		})
+	}
+	// Map deliveries
+	var deliveries []TransferDeliveryDTO
+	for _, del := range e.Deliveries {
+		// Map delivery items
+		var items []TransferDeliveryItemDTO
+		for _, item := range del.Items {
+			items = append(items, TransferDeliveryItemDTO{
+				Id:                    item.Id,
+				StockTransferDetailId: item.StockTransferDetailId,
+				Quantity:              item.Quantity,
+			})
+		}
+		deliveries = append(deliveries, TransferDeliveryDTO{
+			Id: del.Id,
+			Supplier: SupplierSimpleDTO{
+				Id:   del.Supplier.Id,
+				Name: del.Supplier.Name,
+			},
+			VehiclePlate:      del.VehiclePlate,
+			DriverName:        del.DriverName,
+			DocumentNumber:    del.DocumentNumber,
+			DocumentPath:      del.DocumentPath,
+			ShippingCostItem:  del.ShippingCostItem,
+			ShippingCostTotal: del.ShippingCostTotal,
+			Items:             items,
+		})
+	}
+	return TransferListDTO{
+		TransferBaseDTO: ToTransferBaseDTO(e),
+		CreatedUser:     createdUser,
+		CreatedAt:       e.CreatedAt,
+		UpdatedAt:       e.UpdatedAt,
+		Details:         details,
+		Deliveries:      deliveries,
+	}
+}
+
+func ToTransferListDTOs(e []entity.StockTransfer) []TransferListDTO {
+	result := make([]TransferListDTO, len(e))
+	for i, r := range e {
+		result[i] = ToTransferListDTO(r)
+	}
+	return result
+}
+
+func ToTransferDetailDTO(e entity.StockTransfer) TransferDetailDTO {
+	// Map details
+	var details []TransferDetailItemDTO
+	for _, d := range e.Details {
+		details = append(details, TransferDetailItemDTO{
+			Id: d.Id,
+			Proudct: ProductSimpleDTO{
+				Id:   d.Product.Id,
+				Name: d.Product.Name,
+			},
+			Quantity: d.Quantity,
+		})
+	}
+	// Map deliveries
+	var deliveries []TransferDeliveryDTO
+	for _, del := range e.Deliveries {
+		deliveries = append(deliveries, TransferDeliveryDTO{
+			Id: del.Id,
+			Supplier: SupplierSimpleDTO{
+				Id:   del.Supplier.Id,
+				Name: del.Supplier.Name,
+			},
+			VehiclePlate:      del.VehiclePlate,
+			DriverName:        del.DriverName,
+			DocumentNumber:    del.DocumentNumber,
+			DocumentPath:      del.DocumentPath,
+			ShippingCostItem:  del.ShippingCostItem,
+			ShippingCostTotal: del.ShippingCostTotal,
+		})
+	}
+	return TransferDetailDTO{
+		TransferListDTO: ToTransferListDTO(e),
+		Details:         details,
+		Deliveries:      deliveries,
+	}
+}

internal/modules/inventory/transfers/module.go

@@ -0,0 +1,33 @@
+package transfers
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+
+	rProductWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/repositories"
+	rStockTransfer "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/repositories"
+	sTransfer "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/services"
+	rSupplier "gitlab.com/mbugroup/lti-api.git/internal/modules/master/suppliers/repositories"
+	rStockLogs "gitlab.com/mbugroup/lti-api.git/internal/modules/shared/repositories"
+	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
+	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+)
+
+type TransferModule struct{}
+
+func (TransferModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	stockTransferRepo := rStockTransfer.NewStockTransferRepository(db)
+	stockTransferDetailRepo := rStockTransfer.NewStockTransferDetailRepository(db)
+	stockTransferDeliveryRepo := rStockTransfer.NewStockTransferDeliveryRepository(db)
+	StockTransferDeliveryItemRepo := rStockTransfer.NewStockTransferDeliveryItemRepository(db)
+	stockLogsRepo := rStockLogs.NewStockLogRepository(db)
+	supplierRepo := rSupplier.NewSupplierRepository(db)
+	productWarehouseRepo := rProductWarehouse.NewProductWarehouseRepository(db)
+	userRepo := rUser.NewUserRepository(db)
+
+	transferService := sTransfer.NewTransferService(validate, stockTransferRepo, stockTransferDetailRepo, stockTransferDeliveryRepo, StockTransferDeliveryItemRepo, stockLogsRepo, productWarehouseRepo, supplierRepo)
+	userService := sUser.NewUserService(userRepo, validate)
+
+	TransferRoutes(router, userService, transferService)
+}

internal/modules/inventory/transfers/repositories/stock_transfer.repository.go

@@ -0,0 +1,34 @@
+package repositories
+
+import (
+	"context"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type StockTransferRepository interface {
+	repository.BaseRepository[entity.StockTransfer]
+	// get sequence for movement number
+	GetNextMovementNumber(ctx context.Context) (int64, error)
+}
+
+type StockTransferRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.StockTransfer]
+}
+
+func NewStockTransferRepository(db *gorm.DB) StockTransferRepository {
+	return &StockTransferRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.StockTransfer](db),
+	}
+}
+
+func (r *StockTransferRepositoryImpl) GetNextMovementNumber(ctx context.Context) (int64, error) {
+	var seq int64
+	err := r.DB().WithContext(ctx).Raw("SELECT nextval('stock_transfer_seq')").Scan(&seq).Error
+	if err != nil {
+		return 0, err
+	}
+	return seq, nil
+}

internal/modules/inventory/transfers/repositories/stock_transfer_delivery.repository.go

@@ -0,0 +1,22 @@
+package repositories
+
+import (
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type StockTransferDeliveryRepository interface {
+	repository.BaseRepository[entity.StockTransferDelivery]
+	// Tambahkan custom method jika perlu
+}
+
+type StockTransferDeliveryRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.StockTransferDelivery]
+}
+
+func NewStockTransferDeliveryRepository(db *gorm.DB) StockTransferDeliveryRepository {
+	return &StockTransferDeliveryRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.StockTransferDelivery](db),
+	}
+}

internal/modules/inventory/transfers/repositories/stock_transfer_delivery_item.repository.go

@@ -0,0 +1,22 @@
+package repositories
+
+import (
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type StockTransferDeliveryItemRepository interface {
+	repository.BaseRepository[entity.StockTransferDeliveryItem]
+	// Tambahkan custom method jika perlu
+}
+
+type StockTransferDeliveryItemRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.StockTransferDeliveryItem]
+}
+
+func NewStockTransferDeliveryItemRepository(db *gorm.DB) StockTransferDeliveryItemRepository {
+	return &StockTransferDeliveryItemRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.StockTransferDeliveryItem](db),
+	}
+}

internal/modules/inventory/transfers/repositories/stock_transfer_detail.repository.go

@@ -0,0 +1,29 @@
+// Find all details by StockTransferId
+
+package repositories
+
+import (
+	"context"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type StockTransferDetailRepository interface {
+	repository.BaseRepository[entity.StockTransferDetail]
+	FindByTransferId(ctx context.Context, transferId uint64, out *[]entity.StockTransferDetail) error
+}
+
+type StockTransferDetailRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.StockTransferDetail]
+}
+
+func NewStockTransferDetailRepository(db *gorm.DB) StockTransferDetailRepository {
+	return &StockTransferDetailRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.StockTransferDetail](db),
+	}
+}
+func (r *StockTransferDetailRepositoryImpl) FindByTransferId(ctx context.Context, transferId uint64, out *[]entity.StockTransferDetail) error {
+	return r.DB().WithContext(ctx).Where("stock_transfer_id = ?", transferId).Find(out).Error
+}

internal/modules/inventory/transfers/route.go

@@ -0,0 +1,27 @@
+package transfers
+
+import (
+	// m "gitlab.com/mbugroup/lti-api.git/internal/middleware"
+	controller "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/controllers"
+	transfer "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/services"
+	user "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func TransferRoutes(v1 fiber.Router, u user.UserService, s transfer.TransferService) {
+	ctrl := controller.NewTransferController(s)
+
+	route := v1.Group("/transfers")
+
+	// route.Get("/", m.Auth(u), ctrl.GetAll)
+	// route.Post("/", m.Auth(u), ctrl.CreateOne)
+	// route.Get("/:id", m.Auth(u), ctrl.GetOne)
+	// route.Patch("/:id", m.Auth(u), ctrl.UpdateOne)
+	// route.Delete("/:id", m.Auth(u), ctrl.DeleteOne)
+
+	route.Get("/", ctrl.GetAll)
+	route.Post("/", ctrl.CreateOne)
+	route.Get("/:id", ctrl.GetOne)
+
+}

internal/modules/inventory/transfers/services/transfer.service.go

@@ -0,0 +1,351 @@
+package service
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	rProductWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/product-warehouses/repositories"
+	rStockTransfer "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/repositories"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory/transfers/validations"
+	rSupplier "gitlab.com/mbugroup/lti-api.git/internal/modules/master/suppliers/repositories"
+	rStockLogs "gitlab.com/mbugroup/lti-api.git/internal/modules/shared/repositories"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"github.com/sirupsen/logrus"
+	"gorm.io/gorm"
+)
+
+type TransferService interface {
+	GetAll(ctx *fiber.Ctx, params *validation.Query) ([]entity.StockTransfer, int64, error)
+	GetOne(ctx *fiber.Ctx, id uint) (*entity.StockTransfer, error)
+	CreateOne(ctx *fiber.Ctx, req *validation.TransferRequest) (*entity.StockTransfer, error)
+}
+
+type transferService struct {
+	Log                           *logrus.Logger
+	Validate                      *validator.Validate
+	StockTransferRepo             rStockTransfer.StockTransferRepository
+	StockTransferDetailRepo       rStockTransfer.StockTransferDetailRepository
+	StockTransferDeliveryRepo     rStockTransfer.StockTransferDeliveryRepository
+	StockTransferDeliveryItemRepo rStockTransfer.StockTransferDeliveryItemRepository
+	StockLogsRepository           rStockLogs.StockLogRepository
+	ProductWarehouseRepo          rProductWarehouse.ProductWarehouseRepository
+	SupplierRepo                  rSupplier.SupplierRepository
+}
+
+func NewTransferService(validate *validator.Validate, stockTransferRepo rStockTransfer.StockTransferRepository, stockTransferDetailRepo rStockTransfer.StockTransferDetailRepository, stockTransferDeliveryRepo rStockTransfer.StockTransferDeliveryRepository, stockTransferDeliveryItemRepo rStockTransfer.StockTransferDeliveryItemRepository, stockLogsRepo rStockLogs.StockLogRepository, productWarehouseRepo rProductWarehouse.ProductWarehouseRepository, supplierRepo rSupplier.SupplierRepository) TransferService {
+	return &transferService{
+		Log:                           utils.Log,
+		Validate:                      validate,
+		StockTransferRepo:             stockTransferRepo,
+		StockTransferDetailRepo:       stockTransferDetailRepo,
+		StockTransferDeliveryRepo:     stockTransferDeliveryRepo,
+		StockTransferDeliveryItemRepo: stockTransferDeliveryItemRepo,
+		StockLogsRepository:           stockLogsRepo,
+		ProductWarehouseRepo:          productWarehouseRepo,
+		SupplierRepo:                  supplierRepo,
+	}
+}
+func (s transferService) withRelations(db *gorm.DB) *gorm.DB {
+	return db.
+		Preload("CreatedUser").
+		Preload("FromWarehouse").
+		Preload("FromWarehouse.Location").
+		Preload("FromWarehouse.Area").
+		Preload("ToWarehouse").
+		Preload("ToWarehouse.Location").
+		Preload("ToWarehouse.Area").
+		Preload("Details").
+		Preload("Details.Product").
+		Preload("Deliveries.Items").
+		Preload("Deliveries.Supplier")
+}
+
+func (s transferService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.StockTransfer, int64, error) {
+	if err := s.Validate.Struct(params); err != nil {
+		return nil, 0, err
+	}
+
+	offset := (params.Page - 1) * params.Limit
+
+	transfers, total, err := s.StockTransferRepo.GetAll(c.Context(), offset, params.Limit, func(db *gorm.DB) *gorm.DB {
+		db = s.withRelations(db)
+		if params.Search != "" {
+			db = db.Where("movement_number LIKE ?", "%"+strings.TrimSpace(params.Search)+"%")
+		}
+		return db.Order("created_at DESC").Order("updated_at DESC")
+	})
+
+	if err != nil {
+		return nil, 0, err
+	}
+
+	s.Log.Infof("Retrieved %d transfers", len(transfers))
+
+	return transfers, total, nil
+
+}
+
+func (s transferService) GetOne(c *fiber.Ctx, id uint) (*entity.StockTransfer, error) {
+	var transfer entity.StockTransfer
+
+	// gunakan repo secara langsung
+	transferPtr, err := s.StockTransferRepo.GetByID(c.Context(), id, func(db *gorm.DB) *gorm.DB {
+		return s.withRelations(db)
+	})
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, fiber.NewError(fiber.StatusNotFound, "Transfer not found")
+		}
+		s.Log.Errorf("Failed to get transfer by ID: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to get transfer")
+	}
+
+	s.Log.Infof("Retrieved transfer: %+v", transfer)
+
+	return transferPtr, nil
+}
+
+func (s *transferService) CreateOne(c *fiber.Ctx, req *validation.TransferRequest) (*entity.StockTransfer, error) {
+
+	// Validasi stok di gudang asal harus exist dan mencukupi
+	for _, product := range req.Products {
+		sourcePW, err := s.ProductWarehouseRepo.GetProductWarehouseByProductAndWarehouseID(
+			c.Context(), uint(product.ProductID), uint(req.SourceWarehouseID),
+		)
+		if err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Stok produk %d tidak tersedia di gudang asal", product.ProductID))
+			}
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Gagal cek stok produk di gudang asal")
+		}
+		if sourcePW.Quantity < product.ProductQty {
+			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Stok produk %d di gudang asal tidak cukup", product.ProductID))
+		}
+	}
+
+	// validasi total qty harus lebih besar dari atau sama dengan total qty di delivery compare berdasarkan productid
+	deliveryQtyMap := make(map[uint]float64)
+	for _, delivery := range req.Deliveries {
+		for _, prod := range delivery.Products {
+			deliveryQtyMap[prod.ProductID] += prod.ProductQty
+		}
+	}
+
+	// Cek: qty delivery tidak boleh melebihi qty di root
+	for _, product := range req.Products {
+		if deliveryQtyMap[product.ProductID] > product.ProductQty {
+			return nil, fiber.NewError(fiber.StatusBadRequest,
+				fmt.Sprintf("Total qty delivery untuk produk %d (%v) melebihi qty transfer (%v)", product.ProductID, deliveryQtyMap[product.ProductID], product.ProductQty))
+		}
+	}
+
+	// cek suplier id caegory BOP cek by id
+	for _, delivery := range req.Deliveries {
+		supplier, err := s.SupplierRepo.GetByID(c.Context(), uint(delivery.SupplierID), nil)
+		if err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Supplier dengan ID %d tidak ditemukan", delivery.SupplierID))
+			}
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Gagal cek data supplier")
+		}
+		if supplier.Category != "BOP" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Supplier dengan ID %d bukan kategori BOP", delivery.SupplierID))
+		}
+	}
+
+	// Generate movement number
+	// Format: PND-MBU-00001
+	seqNum, err := s.StockTransferRepo.GetNextMovementNumber(c.Context())
+	if err != nil {
+		s.Log.Errorf("Failed to get next movement number: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to generate movement number")
+	}
+	movementNumber := fmt.Sprintf("PND-MBU-%05d", seqNum)
+	transferDate, _ := utils.ParseDateString(req.TransferDate)
+
+	entityTransfer := &entity.StockTransfer{
+		FromWarehouseId: uint64(req.SourceWarehouseID),
+		ToWarehouseId:   uint64(req.DestinationWarehouseID),
+		Reason:          req.TransferReason,
+		TransferDate:    transferDate,
+		MovementNumber:  movementNumber,
+		CreatedBy:       1, //todo: get from token
+	}
+
+	// Save the transfer entity to the database
+	err = s.StockTransferRepo.DB().WithContext(c.Context()).Transaction(func(tx *gorm.DB) error {
+
+		// Insert header
+		if err := s.StockTransferRepo.WithTx(tx).CreateOne(c.Context(), entityTransfer, nil); err != nil {
+			s.Log.Errorf("Failed to create stock transfer: %+v", err)
+			return err
+		}
+		s.Log.Infof("Stock transfer created: %+v", entityTransfer.Id)
+
+		// insert ke details
+		var details []*entity.StockTransferDetail
+		for _, product := range req.Products {
+			details = append(details, &entity.StockTransferDetail{
+				StockTransferId: entityTransfer.Id,
+				ProductId:       uint64(product.ProductID),
+				Quantity:        product.ProductQty,
+			})
+		}
+		if err := s.StockTransferDetailRepo.WithTx(tx).CreateMany(c.Context(), details, nil); err != nil {
+			s.Log.Errorf("Failed to create stock transfer details: %+v", err)
+			return err
+		}
+		s.Log.Infof("Stock transfer details created for transfer ID: %+v", entityTransfer.Id)
+
+		// Tambahkan proses insert delivery
+		var deliveries []*entity.StockTransferDelivery
+		for _, delivery := range req.Deliveries {
+			deliveries = append(deliveries, &entity.StockTransferDelivery{
+				StockTransferId:   entityTransfer.Id,
+				SupplierId:        uint64(delivery.SupplierID),
+				VehiclePlate:      delivery.VehiclePlate,
+				DriverName:        delivery.DriverName,
+				DocumentPath:      "https://tourism.gov.in/sites/default/files/2019-04/dummy-pdf_2.pdf", // todo: tunggu ada aws baru proses
+				ShippingCostItem:  delivery.DeliveryCostPerItem,
+				ShippingCostTotal: delivery.DeliveryCost,
+			})
+		}
+		if err := s.StockTransferDeliveryRepo.WithTx(tx).CreateMany(c.Context(), deliveries, nil); err != nil {
+			s.Log.Errorf("Failed to create stock transfer deliveries: %+v", err)
+			return err
+		}
+		// tambahkan insert ke delivery items sebagai pivot
+		detailMap := make(map[uint64]uint64)
+		for _, d := range details {
+			detailMap[d.ProductId] = d.Id
+		}
+
+		var deliveryItems []*entity.StockTransferDeliveryItem
+
+		for i, delivery := range deliveries {
+			item := req.Deliveries[i]
+			for _, prod := range item.Products {
+				detailID, ok := detailMap[uint64(prod.ProductID)]
+				if !ok {
+					return fmt.Errorf("produk %d tidak ditemukan di detail", prod.ProductID)
+				}
+				deliveryItems = append(deliveryItems, &entity.StockTransferDeliveryItem{
+					StockTransferDeliveryId: delivery.Id,
+					StockTransferDetailId:   detailID,
+					Quantity:                prod.ProductQty,
+				})
+			}
+		}
+		if err := s.StockTransferDeliveryItemRepo.WithTx(tx).CreateMany(c.Context(), deliveryItems, nil); err != nil {
+			s.Log.Errorf("Failed to create stock transfer delivery items: %+v", err)
+			return err
+		}
+		s.Log.Infof("Stock transfer delivery items created for transfer ID: %+v", entityTransfer.Id)
+
+		// Proses pengurangan stok di gudang asal dan penambahan stok di gudang tujuan
+		for _, product := range req.Products {
+			// Kurangi stok di gudang asal
+			sourcePW, err := s.ProductWarehouseRepo.GetProductWarehouseByProductAndWarehouseID(c.Context(), uint(product.ProductID), uint(req.SourceWarehouseID))
+			if err != nil {
+				s.Log.Errorf("Failed to get source product warehouse: %+v", err)
+				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get source product warehouse")
+			}
+			if sourcePW.Quantity < product.ProductQty {
+				s.Log.Errorf("Insufficient stock in source warehouse for product ID: %+v", product.ProductID)
+				return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Insufficient stock in source warehouse for product ID: %d", product.ProductID))
+			}
+			sourcePW.Quantity -= product.ProductQty
+			if err := s.ProductWarehouseRepo.WithTx(tx).UpdateOne(c.Context(), sourcePW.Id, sourcePW, nil); err != nil {
+				s.Log.Errorf("Failed to update source product warehouse: %+v", err)
+				return err
+			}
+			s.Log.Infof("Source product warehouse updated: %+v", sourcePW.Id)
+
+			// create stock log for decrease (source)
+			beforeQty := sourcePW.Quantity + product.ProductQty // sourcePW already decreased
+			decreaseLog := &entity.StockLog{
+				TransactionType:    entity.TransactionTypeDecrease,
+				Quantity:           product.ProductQty,
+				BeforeQuantity:     beforeQty,
+				AfterQuantity:      sourcePW.Quantity,
+				LogType:            entity.LogTypeTransfer,
+				LogId:              uint(entityTransfer.Id),
+				Note:               "",
+				ProductWarehouseId: sourcePW.Id,
+				CreatedBy:          1,
+			}
+			if err := s.StockLogsRepository.WithTx(tx).CreateOne(c.Context(), decreaseLog, nil); err != nil {
+				s.Log.Errorf("Failed to create stock log decrease: %+v", err)
+				return err
+			}
+
+			// Tambah stok di gudang tujuan
+			destPW, err := s.ProductWarehouseRepo.GetProductWarehouseByProductAndWarehouseID(
+				c.Context(), uint(product.ProductID), uint(req.DestinationWarehouseID),
+			)
+			if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+				s.Log.Errorf("Failed to get destination product warehouse: %+v", err)
+				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get destination product warehouse")
+			}
+			if err != nil && errors.Is(err, gorm.ErrRecordNotFound) {
+				// Jika belum ada record untuk produk di gudang tujuan, buat baru
+				destPW = &entity.ProductWarehouse{
+					ProductId:   uint(product.ProductID),
+					WarehouseId: uint(req.DestinationWarehouseID),
+					Quantity:    0,
+					CreatedBy:   1, // TODO: should Get from auth middleware
+				}
+				if err := s.ProductWarehouseRepo.WithTx(tx).CreateOne(c.Context(), destPW, nil); err != nil {
+					s.Log.Errorf("Failed to create destination product warehouse: %+v", err)
+					return fiber.NewError(fiber.StatusInternalServerError, "Failed to create destination product warehouse")
+				}
+				s.Log.Infof("Destination product warehouse created: %+v", destPW.Id)
+			}
+			// Update stok di gudang tujuan
+			destPW.Quantity += product.ProductQty
+			if err := s.ProductWarehouseRepo.WithTx(tx).UpdateOne(c.Context(), destPW.Id, destPW, nil); err != nil {
+				s.Log.Errorf("Failed to update destination product warehouse: %+v", err)
+				return err
+			}
+			s.Log.Infof("Destination product warehouse updated: %+v", destPW.Id)
+
+			// create stock log for increase (destination)
+			beforeDestQty := destPW.Quantity - product.ProductQty
+			increaseLog := &entity.StockLog{
+				TransactionType:    entity.TransactionTypeIncrease,
+				Quantity:           product.ProductQty,
+				BeforeQuantity:     beforeDestQty,
+				AfterQuantity:      destPW.Quantity,
+				LogType:            entity.LogTypeTransfer,
+				LogId:              uint(entityTransfer.Id),
+				Note:               "",
+				ProductWarehouseId: destPW.Id,
+				CreatedBy:          1,
+			}
+			if err := s.StockLogsRepository.WithTx(tx).CreateOne(c.Context(), increaseLog, nil); err != nil {
+				s.Log.Errorf("Failed to create stock log increase: %+v", err)
+				return err
+			}
+
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		s.Log.Errorf("Transaction failed in CreateOne: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to process transfer transaction")
+	}
+
+	// Ambil data lengkap hasil create dengan GetOne (agar preload relasi sama dengan GetOne)
+	result, err := s.GetOne(c, uint(entityTransfer.Id))
+	if err != nil {
+		return nil, err
+	}
+	return result, nil
+}

internal/modules/inventory/transfers/validations/transfer.validation.go

@@ -0,0 +1,40 @@
+package validation
+
+type Create struct {
+	Name string `json:"name" validate:"required_strict,min=3"`
+}
+
+type Query struct {
+	Page   int    `query:"page" validate:"omitempty,number,min=1"`
+	Limit  int    `query:"limit" validate:"omitempty,number,min=1,max=100"`
+	Search string `query:"search" validate:"omitempty,max=50"`
+}
+
+type TransferProduct struct {
+	ProductID  uint    `json:"product_id" validate:"required"`
+	ProductQty float64 `json:"product_qty" validate:"required,gt=0"`
+}
+
+type TransferDeliveryProduct struct {
+	ProductID  uint    `json:"product_id" validate:"required"`
+	ProductQty float64 `json:"product_qty" validate:"required,gt=0"`
+}
+
+type TransferDelivery struct {
+	DeliveryCost        float64                   `json:"delivery_cost" validate:"required"`
+	DeliveryCostPerItem float64                   `json:"delivery_cost_per_item" validate:"required"`
+	DocumentIndex       int                       `json:"document_index" validate:"min=0"`
+	DriverName          string                    `json:"driver_name" validate:"required"`
+	VehiclePlate        string                    `json:"vehicle_plate" validate:"required"`
+	SupplierID          uint                      `json:"supplier_id" validate:"required"`
+	Products            []TransferDeliveryProduct `json:"products" validate:"required,dive"`
+}
+
+type TransferRequest struct {
+	TransferReason         string             `json:"transfer_reason" validate:"required"`
+	TransferDate           string             `json:"transfer_date" validate:"required,datetime=2006-01-02"`
+	SourceWarehouseID      uint               `json:"source_warehouse_id" validate:"required"`
+	DestinationWarehouseID uint               `json:"destination_warehouse_id" validate:"required"`
+	Products               []TransferProduct  `json:"products" validate:"required,dive"`
+	Deliveries             []TransferDelivery `json:"deliveries" validate:"required,dive"`
+}

internal/modules/master/flocks/controllers/flock.controller.go

@@ -0,0 +1,140 @@
+package controller
+
+import (
+	"math"
+	"strconv"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/dto"
+	service "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/services"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/response"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type FlockController struct {
+	FlockService service.FlockService
+}
+
+func NewFlockController(flockService service.FlockService) *FlockController {
+	return &FlockController{
+		FlockService: flockService,
+	}
+}
+
+func (u *FlockController) GetAll(c *fiber.Ctx) error {
+	query := &validation.Query{
+		Page:   c.QueryInt("page", 1),
+		Limit:  c.QueryInt("limit", 10),
+		Search: c.Query("search", ""),
+	}
+
+	result, totalResults, err := u.FlockService.GetAll(c, query)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.SuccessWithPaginate[dto.FlockListDTO]{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get all flocks successfully",
+			Meta: response.Meta{
+				Page:         query.Page,
+				Limit:        query.Limit,
+				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
+				TotalResults: totalResults,
+			},
+			Data: dto.ToFlockListDTOs(result),
+		})
+}
+
+func (u *FlockController) GetOne(c *fiber.Ctx) error {
+	param := c.Params("id")
+
+	id, err := strconv.Atoi(param)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid Id")
+	}
+
+	result, err := u.FlockService.GetOne(c, uint(id))
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get flock successfully",
+			Data:    dto.ToFlockListDTO(*result),
+		})
+}
+
+func (u *FlockController) CreateOne(c *fiber.Ctx) error {
+	req := new(validation.Create)
+
+	if err := c.BodyParser(req); err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
+	}
+
+	result, err := u.FlockService.CreateOne(c, req)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusCreated).
+		JSON(response.Success{
+			Code:    fiber.StatusCreated,
+			Status:  "success",
+			Message: "Create flock successfully",
+			Data:    dto.ToFlockListDTO(*result),
+		})
+}
+
+func (u *FlockController) UpdateOne(c *fiber.Ctx) error {
+	req := new(validation.Update)
+	param := c.Params("id")
+
+	id, err := strconv.Atoi(param)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid Id")
+	}
+
+	if err := c.BodyParser(req); err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
+	}
+
+	result, err := u.FlockService.UpdateOne(c, req, uint(id))
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Update flock successfully",
+			Data:    dto.ToFlockListDTO(*result),
+		})
+}
+
+func (u *FlockController) DeleteOne(c *fiber.Ctx) error {
+	param := c.Params("id")
+
+	id, err := strconv.Atoi(param)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid Id")
+	}
+
+	if err := u.FlockService.DeleteOne(c, uint(id)); err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Common{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Delete flock successfully",
+		})
+}

internal/modules/master/flocks/dto/flock.dto.go

@@ -0,0 +1,64 @@
+package dto
+
+import (
+	"time"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
+)
+
+// === DTO Structs ===
+
+type FlockBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type FlockListDTO struct {
+	FlockBaseDTO
+	CreatedUser *userDTO.UserBaseDTO `json:"created_user"`
+	CreatedAt   time.Time            `json:"created_at"`
+	UpdatedAt   time.Time            `json:"updated_at"`
+}
+
+type FlockDetailDTO struct {
+	FlockListDTO
+}
+
+// === Mapper Functions ===
+
+func ToFlockBaseDTO(e entity.Flock) FlockBaseDTO {
+	return FlockBaseDTO{
+		Id:   e.Id,
+		Name: e.Name,
+	}
+}
+
+func ToFlockListDTO(e entity.Flock) FlockListDTO {
+	var createdUser *userDTO.UserBaseDTO
+	if e.CreatedUser.Id != 0 {
+		mapped := userDTO.ToUserBaseDTO(e.CreatedUser)
+		createdUser = &mapped
+	}
+
+	return FlockListDTO{
+		FlockBaseDTO: ToFlockBaseDTO(e),
+		CreatedAt:   e.CreatedAt,
+		UpdatedAt:   e.UpdatedAt,
+		CreatedUser: createdUser,
+	}
+}
+
+func ToFlockListDTOs(e []entity.Flock) []FlockListDTO {
+	result := make([]FlockListDTO, len(e))
+	for i, r := range e {
+		result[i] = ToFlockListDTO(r)
+	}
+	return result
+}
+
+func ToFlockDetailDTO(e entity.Flock) FlockDetailDTO {
+	return FlockDetailDTO{
+		FlockListDTO: ToFlockListDTO(e),
+	}
+}

internal/modules/master/flocks/module.go

@@ -0,0 +1,25 @@
+package flocks
+
+import (
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+
+	rFlock "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/repositories"
+	sFlock "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/services"
+
+	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
+	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+)
+
+type FlockModule struct{}
+
+func (FlockModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	flockRepo := rFlock.NewFlockRepository(db)
+	userRepo := rUser.NewUserRepository(db)
+
+	flockService := sFlock.NewFlockService(flockRepo, validate)
+	userService := sUser.NewUserService(userRepo, validate)
+
+	FlockRoutes(router, userService, flockService)
+}

internal/modules/master/flocks/repositories/flock.repository.go

@@ -0,0 +1,30 @@
+package repository
+
+import (
+	"context"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type FlockRepository interface {
+	repository.BaseRepository[entity.Flock]
+	NameExists(ctx context.Context, name string, excludeID *uint) (bool, error)
+}
+
+type FlockRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.Flock]
+	db *gorm.DB
+}
+
+func NewFlockRepository(db *gorm.DB) FlockRepository {
+	return &FlockRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.Flock](db),
+		db:                 db,
+	}
+}
+
+func (r *FlockRepositoryImpl) NameExists(ctx context.Context, name string, excludeID *uint) (bool, error) {
+	return repository.ExistsByName[entity.Flock](ctx, r.db, name, excludeID)
+}

internal/modules/master/flocks/route.go

@@ -0,0 +1,28 @@
+package flocks
+
+import (
+	// m "gitlab.com/mbugroup/lti-api.git/internal/middleware"
+	controller "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/controllers"
+	flock "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/services"
+	user "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func FlockRoutes(v1 fiber.Router, u user.UserService, s flock.FlockService) {
+	ctrl := controller.NewFlockController(s)
+
+	route := v1.Group("/flocks")
+
+	// route.Get("/", m.Auth(u), ctrl.GetAll)
+	// route.Post("/", m.Auth(u), ctrl.CreateOne)
+	// route.Get("/:id", m.Auth(u), ctrl.GetOne)
+	// route.Patch("/:id", m.Auth(u), ctrl.UpdateOne)
+	// route.Delete("/:id", m.Auth(u), ctrl.DeleteOne)
+
+	route.Get("/", ctrl.GetAll)
+	route.Post("/", ctrl.CreateOne)
+	route.Get("/:id", ctrl.GetOne)
+	route.Patch("/:id", ctrl.UpdateOne)
+	route.Delete("/:id", ctrl.DeleteOne)
+}

internal/modules/master/flocks/services/flock.service.go

@@ -0,0 +1,159 @@
+package service
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	repository "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/repositories"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"github.com/sirupsen/logrus"
+	"gorm.io/gorm"
+)
+
+type FlockService interface {
+	GetAll(ctx *fiber.Ctx, params *validation.Query) ([]entity.Flock, int64, error)
+	GetOne(ctx *fiber.Ctx, id uint) (*entity.Flock, error)
+	CreateOne(ctx *fiber.Ctx, req *validation.Create) (*entity.Flock, error)
+	UpdateOne(ctx *fiber.Ctx, req *validation.Update, id uint) (*entity.Flock, error)
+	DeleteOne(ctx *fiber.Ctx, id uint) error
+}
+
+type flockService struct {
+	Log        *logrus.Logger
+	Validate   *validator.Validate
+	Repository repository.FlockRepository
+}
+
+func NewFlockService(repo repository.FlockRepository, validate *validator.Validate) FlockService {
+	return &flockService{
+		Log:        utils.Log,
+		Validate:   validate,
+		Repository: repo,
+	}
+}
+
+func (s flockService) withRelations(db *gorm.DB) *gorm.DB {
+	return db.Preload("CreatedUser")
+}
+
+func (s flockService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.Flock, int64, error) {
+	if err := s.Validate.Struct(params); err != nil {
+		return nil, 0, err
+	}
+
+	offset := (params.Page - 1) * params.Limit
+
+	flocks, total, err := s.Repository.GetAll(c.Context(), offset, params.Limit, func(db *gorm.DB) *gorm.DB {
+		db = s.withRelations(db)
+		if params.Search != "" {
+			return db.Where("name LIKE ?", "%"+params.Search+"%")
+		}
+		return db.Order("created_at DESC").Order("updated_at DESC")
+	})
+
+	if err != nil {
+		s.Log.Errorf("Failed to get flocks: %+v", err)
+		return nil, 0, err
+	}
+	return flocks, total, nil
+}
+
+func (s flockService) GetOne(c *fiber.Ctx, id uint) (*entity.Flock, error) {
+	flock, err := s.Repository.GetByID(c.Context(), id, s.withRelations)
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusNotFound, "Flock not found")
+	}
+	if err != nil {
+		s.Log.Errorf("Failed get flock by id: %+v", err)
+		return nil, err
+	}
+	return flock, nil
+}
+
+func (s *flockService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entity.Flock, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	name := strings.TrimSpace(req.Name)
+	if name == "" {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Name is required")
+	}
+
+	exists, err := s.Repository.NameExists(c.Context(), name, nil)
+	if err != nil {
+		s.Log.Errorf("Failed to check flock name: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check flock name")
+	}
+	if exists {
+		return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Flock with name %s already exists", name))
+	}
+
+	createBody := &entity.Flock{
+		Name:      name,
+		CreatedBy: 1,
+	}
+
+	if err := s.Repository.CreateOne(c.Context(), createBody, nil); err != nil {
+		s.Log.Errorf("Failed to create flock: %+v", err)
+		return nil, err
+	}
+
+	return s.GetOne(c, createBody.Id)
+}
+
+func (s flockService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint) (*entity.Flock, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	updateBody := make(map[string]any)
+
+	if req.Name != nil {
+		name := strings.TrimSpace(*req.Name)
+		if name == "" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Name cannot be empty")
+		}
+
+		exists, err := s.Repository.NameExists(c.Context(), name, &id)
+		if err != nil {
+			s.Log.Errorf("Failed to check flock name: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check flock name")
+		}
+		if exists {
+			return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Flock with name %s already exists", name))
+		}
+		updateBody["name"] = name
+	}
+
+	if len(updateBody) == 0 {
+		return s.GetOne(c, id)
+	}
+
+	if err := s.Repository.PatchOne(c.Context(), id, updateBody, nil); err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, fiber.NewError(fiber.StatusNotFound, "Flock not found")
+		}
+		s.Log.Errorf("Failed to update flock: %+v", err)
+		return nil, err
+	}
+
+	return s.GetOne(c, id)
+}
+
+func (s flockService) DeleteOne(c *fiber.Ctx, id uint) error {
+	if err := s.Repository.DeleteOne(c.Context(), id); err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return fiber.NewError(fiber.StatusNotFound, "Flock not found")
+		}
+		s.Log.Errorf("Failed to delete flock: %+v", err)
+		return err
+	}
+	return nil
+}

internal/modules/master/flocks/validations/floc.validation.go

@@ -0,0 +1,15 @@
+package validation
+
+type Create struct {
+	Name   string `json:"name" validate:"required_strict,min=3"`
+}
+
+type Update struct {
+	Name   *string `json:"name,omitempty" validate:"omitempty"`
+}
+
+type Query struct {
+	Page   int    `query:"page" validate:"omitempty,number,min=1"`
+	Limit  int    `query:"limit" validate:"omitempty,number,min=1,max=100"`
+	Search string `query:"search" validate:"omitempty,max=50"`
+}

internal/modules/master/kandangs/controllers/kandang.controller.go

@@ -24,9 +24,11 @@ func NewKandangController(kandangService service.KandangService) *KandangControl
 
 func (u *KandangController) GetAll(c *fiber.Ctx) error {
 	query := &validation.Query{
-		Page:   c.QueryInt("page", 1),
-		Limit:  c.QueryInt("limit", 10),
-		Search: c.Query("search", ""),
+		Page:       c.QueryInt("page", 1),
+		Limit:      c.QueryInt("limit", 10),
+		Search:     c.Query("search", ""),
+		LocationId: c.QueryInt("location_id", 0),
+		PicId:      c.QueryInt("pic_id", 0),
 	}
 
 	result, totalResults, err := u.KandangService.GetAll(c, query)

internal/modules/master/kandangs/dto/kandang.dto.go

@@ -13,6 +13,7 @@ import (
 type KandangBaseDTO struct {
 	Id       uint                         `json:"id"`
 	Name     string                       `json:"name"`
+	Status   string                       `json:"status"`
 	Location *locationDTO.LocationBaseDTO `json:"location"`
 	Pic      *userDTO.UserBaseDTO         `json:"pic"`
 }
@@ -46,6 +47,7 @@ func ToKandangBaseDTO(e entity.Kandang) KandangBaseDTO {
 	return KandangBaseDTO{
 		Id:       e.Id,
 		Name:     e.Name,
+		Status:   e.Status,
 		Location: location,
 		Pic:      pic,
 	}

internal/modules/master/kandangs/repositories/kandang.repository.go

@@ -5,6 +5,7 @@ import (
 
 	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
 	"gorm.io/gorm"
 )
 
@@ -13,6 +14,10 @@ type KandangRepository interface {
 	LocationExists(ctx context.Context, areaId uint) (bool, error)
 	PicExists(ctx context.Context, areaId uint) (bool, error)
 	NameExists(ctx context.Context, name string, excludeID *uint) (bool, error)
+	ProjectFlockExists(ctx context.Context, projectFlockID uint) (bool, error)
+	GetFirstByProjectFlockID(ctx context.Context, projectFlockID uint) (*entity.Kandang, error)
+	HasActiveKandangForProjectFlock(ctx context.Context, projectFlockID uint, excludeID *uint) (bool, error)
+	UpdateStatusByProjectFlockID(ctx context.Context, projectFlockID uint, status utils.KandangStatus) error
 }
 
 type KandangRepositoryImpl struct {
@@ -38,3 +43,49 @@ func (r *KandangRepositoryImpl) PicExists(ctx context.Context, picId uint) (bool
 func (r *KandangRepositoryImpl) NameExists(ctx context.Context, name string, excludeID *uint) (bool, error) {
 	return repository.ExistsByName[entity.Kandang](ctx, r.db, name, excludeID)
 }
+
+func (r *KandangRepositoryImpl) ProjectFlockExists(ctx context.Context, projectFlockID uint) (bool, error) {
+	var count int64
+	if err := r.db.WithContext(ctx).
+		Model(&entity.ProjectFlock{}).
+		Where("id = ?", projectFlockID).
+		Where("deleted_at IS NULL").
+		Count(&count).Error; err != nil {
+		return false, err
+	}
+	return count > 0, nil
+}
+
+func (r *KandangRepositoryImpl) HasActiveKandangForProjectFlock(ctx context.Context, projectFlockID uint, excludeID *uint) (bool, error) {
+	var count int64
+	q := r.db.WithContext(ctx).
+		Model(&entity.Kandang{}).
+		Where("project_flock_id = ?", projectFlockID).
+		Where("status = ?", utils.KandangStatusActive).
+		Where("deleted_at IS NULL")
+	if excludeID != nil {
+		q = q.Where("id <> ?", *excludeID)
+	}
+	if err := q.Count(&count).Error; err != nil {
+		return false, err
+	}
+	return count > 0, nil
+}
+
+func (r *KandangRepositoryImpl) GetFirstByProjectFlockID(ctx context.Context, projectFlockID uint) (*entity.Kandang, error) {
+	kandang := new(entity.Kandang)
+	err := r.db.WithContext(ctx).
+		Where("project_flock_id = ?", projectFlockID).
+		First(kandang).Error
+	if err != nil {
+		return nil, err
+	}
+	return kandang, nil
+}
+
+func (r *KandangRepositoryImpl) UpdateStatusByProjectFlockID(ctx context.Context, projectFlockID uint, status utils.KandangStatus) error {
+	return r.db.WithContext(ctx).
+		Model(&entity.Kandang{}).
+		Where("project_flock_id = ?", projectFlockID).
+		Update("status", string(status)).Error
+}

internal/modules/master/kandangs/services/kandang.service.go

@@ -3,6 +3,7 @@ package service
 import (
 	"errors"
 	"fmt"
+	"strings"
 
 	common "gitlab.com/mbugroup/lti-api.git/internal/common/service"
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
@@ -54,6 +55,12 @@ func (s kandangService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity
 		if params.Search != "" {
 			return db.Where("name LIKE ?", "%"+params.Search+"%")
 		}
+		if params.LocationId != 0 {
+			db = db.Where("location_id = ?", params.LocationId)
+		}
+		if params.PicId != 0 {
+			db = db.Where("pic_id = ?", params.PicId)
+		}
 		return db.Order("created_at DESC").Order("updated_at DESC")
 	})
 
@@ -95,12 +102,44 @@ func (s *kandangService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entit
 		return nil, err
 	}
 
+	status := strings.ToUpper(strings.TrimSpace(req.Status))
+	if status == "" {
+		status = string(utils.KandangStatusNonActive)
+	}
+	if !utils.IsValidKandangStatus(status) {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid kandang status")
+	}
+
+	var projectFlockID *uint
+	if req.ProjectFlockId != nil {
+		if exists, err := s.Repository.ProjectFlockExists(c.Context(), *req.ProjectFlockId); err != nil {
+			s.Log.Errorf("Failed to check project flock existence: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check project flock")
+		} else if !exists {
+			return nil, fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("Project flock with id %d not found", *req.ProjectFlockId))
+		}
+
+		if status == string(utils.KandangStatusActive) {
+			if active, err := s.Repository.HasActiveKandangForProjectFlock(c.Context(), *req.ProjectFlockId, nil); err != nil {
+				s.Log.Errorf("Failed to check kandang activity for project flock %d: %+v", *req.ProjectFlockId, err)
+				return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check active kandang for project flock")
+			} else if active {
+				return nil, fiber.NewError(fiber.StatusConflict, "Project flock already has an active kandang")
+			}
+		}
+
+		idCopy := *req.ProjectFlockId
+		projectFlockID = &idCopy
+	}
+
 	//TODO: created by dummy
 	createBody := &entity.Kandang{
-		Name:       req.Name,
-		LocationId: req.LocationId,
-		PicId:      req.PicId,
-		CreatedBy:  1,
+		Name:           req.Name,
+		LocationId:     req.LocationId,
+		Status:         status,
+		PicId:          req.PicId,
+		ProjectFlockId: projectFlockID,
+		CreatedBy:      1,
 	}
 
 	if err := s.Repository.CreateOne(c.Context(), createBody, nil); err != nil {
@@ -116,6 +155,15 @@ func (s kandangService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 		return nil, err
 	}
 
+	existing, err := s.Repository.GetByID(c.Context(), id, nil)
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusNotFound, "Kandang not found")
+	}
+	if err != nil {
+		s.Log.Errorf("Failed to fetch kandang %d before update: %+v", id, err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch kandang")
+	}
+
 	updateBody := make(map[string]any)
 
 	if req.Name != nil {
@@ -143,6 +191,38 @@ func (s kandangService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 		updateBody["pic_id"] = *req.PicId
 	}
 
+	finalStatus := strings.ToUpper(existing.Status)
+	if req.Status != nil {
+		status := strings.ToUpper(*req.Status)
+		if !utils.IsValidKandangStatus(status) {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid kandang status")
+		}
+		updateBody["status"] = status
+		finalStatus = status
+	}
+
+	projectFlockIDToUse := existing.ProjectFlockId
+	if req.ProjectFlockId != nil {
+		if exists, err := s.Repository.ProjectFlockExists(c.Context(), *req.ProjectFlockId); err != nil {
+			s.Log.Errorf("Failed to check project flock existence: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check project flock")
+		} else if !exists {
+			return nil, fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("Project flock with id %d not found", *req.ProjectFlockId))
+		}
+		idCopy := *req.ProjectFlockId
+		projectFlockIDToUse = &idCopy
+		updateBody["project_flock_id"] = idCopy
+	}
+
+	if projectFlockIDToUse != nil && finalStatus == string(utils.KandangStatusActive) {
+		if active, err := s.Repository.HasActiveKandangForProjectFlock(c.Context(), *projectFlockIDToUse, &id); err != nil {
+			s.Log.Errorf("Failed to check kandang activity for project flock %d: %+v", *projectFlockIDToUse, err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check active kandang for project flock")
+		} else if active {
+			return nil, fiber.NewError(fiber.StatusConflict, "Project flock already has an active kandang")
+		}
+	}
+
 	if len(updateBody) == 0 {
 		return s.GetOne(c, id)
 	}

internal/modules/master/kandangs/validations/kandang.validation.go

@@ -1,19 +1,25 @@
 package validation
 
 type Create struct {
-	Name       string `json:"name" validate:"required_strict,min=3"`
-	LocationId uint   `json:"location_id" validate:"required_strict,number,gt=0"`
-	PicId      uint   `json:"pic_id" validate:"required_strict,number,gt=0"`
+	Name           string `json:"name" validate:"required_strict,min=3"`
+	Status         string `json:"status,omitempty" validate:"omitempty,min=3"`
+	LocationId     uint   `json:"location_id" validate:"required_strict,number,gt=0"`
+	PicId          uint   `json:"pic_id" validate:"required_strict,number,gt=0"`
+	ProjectFlockId *uint  `json:"project_flock_id" validate:"omitempty,number,gt=0"`
 }
 
 type Update struct {
-	Name       *string `json:"name,omitempty" validate:"omitempty"`
-	LocationId *uint   `json:"location_id,omitempty" validate:"omitempty,number,gt=0"`
-	PicId      *uint   `json:"pic_id,omitempty" validate:"omitempty,number,gt=0"`
+	Name           *string `json:"name,omitempty" validate:"omitempty"`
+	Status         *string `json:"status,omitempty" validate:"omitempty,min=3"`
+	LocationId     *uint   `json:"location_id,omitempty" validate:"omitempty,number,gt=0"`
+	PicId          *uint   `json:"pic_id,omitempty" validate:"omitempty,number,gt=0"`
+	ProjectFlockId *uint   `json:"project_flock_id,omitempty" validate:"omitempty,number,gt=0"`
 }
 
 type Query struct {
-	Page   int    `query:"page" validate:"omitempty,number,min=1"`
-	Limit  int    `query:"limit" validate:"omitempty,number,min=1,max=100"`
-	Search string `query:"search" validate:"omitempty,max=50"`
+	Page       int    `query:"page" validate:"omitempty,number,min=1"`
+	Limit      int    `query:"limit" validate:"omitempty,number,min=1,max=100"`
+	Search     string `query:"search" validate:"omitempty,max=50"`
+	LocationId int    `query:"location_id" validate:"omitempty,number,gt=0"`
+	PicId      int    `query:"pic_id" validate:"omitempty,number,gt=0"`
 }

internal/modules/master/locations/controllers/location.controller.go

@@ -27,6 +27,7 @@ func (u *LocationController) GetAll(c *fiber.Ctx) error {
 		Page:   c.QueryInt("page", 1),
 		Limit:  c.QueryInt("limit", 10),
 		Search: c.Query("search", ""),
+		AreaId: c.QueryInt("area_id", 0),
 	}
 
 	result, totalResults, err := u.LocationService.GetAll(c, query)

internal/modules/master/locations/services/location.service.go

@@ -54,6 +54,9 @@ func (s locationService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entit
 		if params.Search != "" {
 			db = db.Where("name LIKE ?", "%"+params.Search+"%")
 		}
+		if params.AreaId != 0 {
+			db = db.Where("area_id = ?", params.AreaId)
+		}
 		return db.Order("created_at DESC").Order("updated_at DESC")
 	})
 

internal/modules/master/locations/validations/location.validation.go

@@ -16,4 +16,5 @@ type Query struct {
 	Page   int    `query:"page" validate:"omitempty,number,min=1"`
 	Limit  int    `query:"limit" validate:"omitempty,number,min=1,max=100"`
 	Search string `query:"search" validate:"omitempty,max=50"`
+	AreaId int    `query:"area_id" validate:"omitempty,number,gt=0"`
 }

internal/modules/master/products/controllers/product.controller.go

@@ -24,9 +24,10 @@ func NewProductController(productService service.ProductService) *ProductControl
 
 func (u *ProductController) GetAll(c *fiber.Ctx) error {
 	query := &validation.Query{
-		Page:   c.QueryInt("page", 1),
-		Limit:  c.QueryInt("limit", 10),
-		Search: c.Query("search", ""),
+		Page:              c.QueryInt("page", 1),
+		Limit:             c.QueryInt("limit", 10),
+		Search:            c.Query("search", ""),
+		ProductCategoryID: c.QueryInt("product_category_id", 0),
 	}
 
 	result, totalResults, err := u.ProductService.GetAll(c, query)

internal/modules/master/products/repositories/product.repository.go

@@ -13,6 +13,7 @@ type ProductRepository interface {
 	NameExists(ctx context.Context, name string, excludeID *uint) (bool, error)
 	SkuExists(ctx context.Context, sku string, excludeID *uint) (bool, error)
 	UomExists(ctx context.Context, uomID uint) (bool, error)
+	IdExists(ctx context.Context, id uint) (bool, error)
 	CategoryExists(ctx context.Context, categoryID uint) (bool, error)
 	GetSuppliersByIDs(ctx context.Context, supplierIDs []uint) ([]entity.Supplier, error)
 	SyncSuppliersDiff(ctx context.Context, tx *gorm.DB, productID uint, supplierIDs []uint) error
@@ -194,3 +195,7 @@ func (r *ProductRepositoryImpl) GetFlags(ctx context.Context, productID uint) ([
 	}
 	return flags, nil
 }
+
+func (r *ProductRepositoryImpl) IdExists(ctx context.Context, id uint) (bool, error) {
+	return repository.Exists[entity.Product](ctx, r.DB(), id)
+}

internal/modules/master/products/services/product.service.go

@@ -72,6 +72,9 @@ func (s productService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity
 		if params.Search != "" {
 			return db.Where("name LIKE ?", "%"+params.Search+"%")
 		}
+		if params.ProductCategoryID != 0 {
+			return db.Where("product_category_id = ?", params.ProductCategoryID)
+		}
 		return db.Order("created_at DESC").Order("updated_at DESC")
 	})