Merge branch 'feat/BE/US-34/stock-adjusment' into 'development-before-sso'

[FEAT/BE][US#34/TASK#47,48,49,50] Inventory adjustment system

See merge request mbugroup/lti-api!12

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;

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

@@ -9,8 +9,13 @@ CREATE TABLE users (
     deleted_at TIMESTAMPTZ
 );
 
-CREATE UNIQUE INDEX users_id_user_unique ON users (id_user) WHERE deleted_at IS NULL;
+CREATE UNIQUE INDEX users_id_user_unique ON users (id_user)
-CREATE UNIQUE INDEX users_email_unique ON users (email) WHERE deleted_at IS NULL;
+WHERE
+    deleted_at IS NULL;
+
+CREATE UNIQUE INDEX users_email_unique ON users (email)
+WHERE
+    deleted_at IS NULL;
 
 -- FLAGS
 CREATE TABLE flags (
@@ -22,7 +27,12 @@ CREATE TABLE flags (
     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
@@ -35,8 +45,14 @@ CREATE TABLE product_categories (
     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 (
@@ -47,7 +63,10 @@ CREATE TABLE uoms (
     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 (
@@ -61,7 +80,10 @@ CREATE TABLE banks (
     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 (
@@ -72,7 +94,10 @@ CREATE TABLE areas (
     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 (
@@ -85,7 +110,10 @@ CREATE TABLE locations (
     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 (
@@ -98,7 +126,10 @@ CREATE TABLE kandangs (
     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 (
@@ -113,7 +144,10 @@ CREATE TABLE warehouses (
     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 (
@@ -131,7 +165,10 @@ CREATE TABLE customers (
     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 (
@@ -143,7 +180,10 @@ CREATE TABLE nonstocks (
     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 (
@@ -154,7 +194,10 @@ CREATE TABLE fcrs (
     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,
@@ -188,7 +231,10 @@ CREATE TABLE suppliers (
     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,
@@ -214,8 +260,14 @@ CREATE TABLE products (
     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,
@@ -232,3 +284,54 @@ CREATE TABLE projects (
     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/seed/seeder.go

@@ -74,6 +74,10 @@ func Run(db *gorm.DB) error {
 			return err
 		}
 
+		if err := seedProductWarehouse(tx, adminID); err != nil {
+			return err
+		}
+
 		fmt.Println("✅ Master data seeding completed")
 		return nil
 	})
@@ -674,6 +678,8 @@ 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 +766,39 @@ 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: 1, WarehouseID: 1, Quantity: 300},
+	}
+
+	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 ptr[T any](v T) *T {
 	return &v
 }

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/stock_log.go

@@ -0,0 +1,35 @@
+package entities
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+const (
+	LogTypeAdjustment = "ADJUSTMENT"
+)
+
+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/modules/inventory/adjustments/controllers/adjustment.controller.go

@@ -0,0 +1,80 @@
+package controller
+
+import (
+	"math"
+
+	"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:       c.QueryInt("product_id", 0),
+		WarehouseID:     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,
+		})
+}

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

@@ -0,0 +1,131 @@
+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 ProductBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+	SKU  string `json:"sku"`
+}
+
+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
+	}
+	return &ProductBaseDTO{
+		Id:   e.Id,
+		Name: e.Name,
+		SKU:  sku,
+	}
+}
+
+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 +1,29 @@
+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"
+	rWarehouse "gitlab.com/mbugroup/lti-api.git/internal/modules/master/warehouses/repositories"
+	rStockLogs "gitlab.com/mbugroup/lti-api.git/internal/modules/shared/stock-logs/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)
+
+	adjustmentService := sAdjustment.NewAdjustmentService(stockLogsRepo, warehouseRepo, productWarehouseRepo, validate)
+	userService := sUser.NewUserService(userRepo, validate)
+
+	AdjustmentRoutes(router, userService, adjustmentService)
+}

internal/modules/inventory/adjustments/route.go

@@ -0,0 +1,21 @@
+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
+
+}

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

@@ -0,0 +1,195 @@
+package service
+
+import (
+	"errors"
+	"strings"
+
+	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"
+	warehouseRepo "gitlab.com/mbugroup/lti-api.git/internal/modules/master/warehouses/repositories"
+	stockLogsRepo "gitlab.com/mbugroup/lti-api.git/internal/modules/shared/stock-logs/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
+}
+
+func NewAdjustmentService(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,
+	}
+}
+
+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, s.withRelations)
+	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()
+
+	productWarehouseExists, err := s.ProductWarehouseRepo.ProductWarehouseExists(ctx, uint(req.ProductID), uint(req.WarehouseID), nil)
+	if err != nil {
+		return nil, err
+	}
+	if !productWarehouseExists {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Product warehouse not found")
+	}
+
+	transactionType := strings.ToUpper(req.TransactionType)
+	if transactionType != entity.TransactionTypeIncrease && transactionType != entity.TransactionTypeDecrease {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid transaction type")
+	}
+
+	var createdLogId uint
+
+	err = s.StockLogsRepository.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		// Get product warehouse by product id and warehouse id (read operation, no transaction needed)
+		productWarehouse, err := s.ProductWarehouseRepo.GetProductWarehouseByProductAndWarehouseID(ctx, uint(req.ProductID), uint(req.WarehouseID))
+		if err != nil {
+			return err
+		}
+		if productWarehouse == nil {
+			return fiber.NewError(fiber.StatusBadRequest, "Product warehouse not found")
+		}
+		s.Log.Infof("Product Warehouse found: %+v", productWarehouse.Id)
+
+		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
+		}
+		s.Log.Infof("Stock log created: %+v", newLog.Id)
+
+		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
+		}
+		s.Log.Infof("Product warehouse quantity updated: %+v", productWarehouse.Id)
+
+		// Set createdLogId to get the log with relations after transaction
+		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
+
+	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       int    `query:"product_id" validate:"omitempty,min=0"`
+	WarehouseID     int    `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 +1,141 @@
+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),
+		})
+}
+
+func (u *ProductWarehouseController) 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.ProductWarehouseService.CreateOne(c, req)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusCreated).
+		JSON(response.Success{
+			Code:    fiber.StatusCreated,
+			Status:  "success",
+			Message: "Create productWarehouse successfully",
+			Data:    dto.ToProductWarehouseListDTO(*result),
+		})
+}
+
+func (u *ProductWarehouseController) 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.ProductWarehouseService.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 productWarehouse successfully",
+			Data:    dto.ToProductWarehouseListDTO(*result),
+		})
+}
+
+func (u *ProductWarehouseController) 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.ProductWarehouseService.DeleteOne(c, uint(id)); err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Common{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Delete productWarehouse successfully",
+		})
+}

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

@@ -0,0 +1,104 @@
+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 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 *userDTO.UserBaseDTO `json:"created_user,omitempty"`
+	CreatedAt   time.Time            `json:"created_at"`
+	UpdatedAt   time.Time            `json:"updated_at"`
+}
+
+type ProductWarehouseDetailDTO struct {
+	ProductWarehouseListDTO
+}
+
+// Nested DTOs for relations
+type ProductBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+	Sku  string `json:"sku"`
+}
+
+type WarehouseBaseDTO 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
+		}
+		dto.Product = &product
+	}
+
+	// Map Warehouse relation jika ada
+	if e.Warehouse.Id != 0 {
+		warehouse := WarehouseBaseDTO{
+			Id:   e.Warehouse.Id,
+			Name: e.Warehouse.Name,
+		}
+		dto.Warehouse = &warehouse
+	}
+
+	// Map CreatedUser relation jika ada
+	if e.CreatedUser.Id != 0 {
+		user := userDTO.ToUserBaseDTO(e.CreatedUser)
+		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),
+	}
+}

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 +1,62 @@
+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)
+	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) 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 +1,28 @@
+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.Post("/", ctrl.CreateOne)
+	route.Get("/:id", ctrl.GetOne)
+	route.Patch("/:id", ctrl.UpdateOne)
+	route.Delete("/:id", ctrl.DeleteOne)
+}

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

@@ -0,0 +1,203 @@
+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)
+	CreateOne(ctx *fiber.Ctx, req *validation.Create) (*entity.ProductWarehouse, error)
+	UpdateOne(ctx *fiber.Ctx, req *validation.Update, id uint) (*entity.ProductWarehouse, error)
+	DeleteOne(ctx *fiber.Ctx, id uint) 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").Preload("Warehouse").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
+}
+
+func (s *productWarehouseService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entity.ProductWarehouse, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	isProductExist, err := s.Repository.IsProductExist(c.Context(), req.ProductId)
+	if err != nil {
+		s.Log.Errorf("Failed to check product existence: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check product existence")
+	}
+	if !isProductExist {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Product not found")
+	}
+
+	isWarehouseExist, err := s.Repository.IsWarehouseExist(c.Context(), req.WarehouseId)
+	if err != nil {
+		s.Log.Errorf("Failed to check warehouse existence: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check warehouse existence")
+	}
+	if !isWarehouseExist {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Warehouse not found")
+	}
+
+	// chceking if productWarehouse with same product_id and warehouse_id already
+	exists, err := s.Repository.ProductWarehouseExists(c.Context(), req.ProductId, req.WarehouseId, nil)
+	if err != nil {
+		s.Log.Errorf("Failed to check productWarehouse existence: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check productWarehouse existence")
+	}
+
+	if exists {
+		return nil, fiber.NewError(fiber.StatusConflict, "ProductWarehouse already exists")
+	}
+
+	createBody := &entity.ProductWarehouse{
+		ProductId:   req.ProductId,
+		WarehouseId: req.WarehouseId,
+		Quantity:    req.Quantity,
+		CreatedBy:   1, // TODO: Ganti dengan user ID dari context setelah middleware auth diimplementasi
+	}
+
+	if err := s.Repository.CreateOne(c.Context(), createBody, nil); err != nil {
+		s.Log.Errorf("Failed to create productWarehouse: %+v", err)
+		return nil, err
+	}
+
+	return s.GetOne(c, createBody.Id)
+}
+
+func (s productWarehouseService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint) (*entity.ProductWarehouse, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	// validation Id exist
+	if exists, err := s.Repository.ExistsByID(c.Context(), id); err != nil {
+		s.Log.Errorf("Failed to check productWarehouse existence: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check productWarehouse existence")
+	} else if !exists {
+		return nil, fiber.NewError(fiber.StatusNotFound, "ProductWarehouse not found")
+	}
+	// validation productId and warehouseId exist
+	if req.ProductId != nil {
+		isProductExist, err := s.Repository.IsProductExist(c.Context(), *req.ProductId)
+		if err != nil {
+			s.Log.Errorf("Failed to check product existence: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check product existence")
+		}
+		if !isProductExist {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Product not found")
+		}
+	}
+
+	if req.WarehouseId != nil {
+		isWarehouseExist, err := s.Repository.IsWarehouseExist(c.Context(), *req.WarehouseId)
+		if err != nil {
+			s.Log.Errorf("Failed to check warehouse existence: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check warehouse existence")
+		}
+		if !isWarehouseExist {
+			return nil, fiber.NewError(fiber.StatusNotFound, "Warehouse not found")
+		}
+	}
+
+	updateBody := make(map[string]any)
+
+	if req.ProductId != nil {
+		updateBody["product_id"] = *req.ProductId
+	}
+	if req.WarehouseId != nil {
+		updateBody["warehouse_id"] = *req.WarehouseId
+	}
+	if req.Quantity != nil {
+		updateBody["quantity"] = *req.Quantity
+	}
+
+	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, "ProductWarehouse not found")
+		}
+		s.Log.Errorf("Failed to update productWarehouse: %+v", err)
+		return nil, err
+	}
+
+	return s.GetOne(c, id)
+}
+
+func (s productWarehouseService) 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, "ProductWarehouse not found")
+		}
+		s.Log.Errorf("Failed to delete productWarehouse: %+v", err)
+		return err
+	}
+	return 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 +1,28 @@
+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"
+	// MODULE IMPORTS
+)
+
+func RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	group := router.Group("/inventory")
+
+	allModules := []modules.Module{
+		productWarehouses.ProductWarehouseModule{},
+
+		adjustments.AdjustmentModule{},
+		// MODULE REGISTRY
+	}
+
+	for _, m := range allModules {
+		m.RegisterRoutes(group, db, validate)
+	}
+}

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

@@ -27,6 +27,8 @@ func (u *KandangController) GetAll(c *fiber.Ctx) error {
 		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/services/kandang.service.go

@@ -54,6 +54,12 @@ 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")
 	})
 

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

@@ -16,4 +16,6 @@ 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"`
+	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

@@ -27,6 +27,7 @@ func (u *ProductController) GetAll(c *fiber.Ctx) error {
 		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/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")
 	})
 

internal/modules/master/products/validations/product.validation.go

@@ -32,4 +32,5 @@ type Query struct {
 	Page              int    `query:"page" validate:"omitempty,number,min=1"`
 	Limit             int    `query:"limit" validate:"omitempty,number,min=1"`
 	Search            string `query:"search" validate:"omitempty,max=50"`
+	ProductCategoryID int    `query:"product_category_id" validate:"omitempty,number,min=1"`
 }

internal/modules/master/route.go

@@ -8,17 +8,17 @@ import (
 	"gorm.io/gorm"
 
 	areas "gitlab.com/mbugroup/lti-api.git/internal/modules/master/areas"
+	banks "gitlab.com/mbugroup/lti-api.git/internal/modules/master/banks"
 	customers "gitlab.com/mbugroup/lti-api.git/internal/modules/master/customers"
 	fcrs "gitlab.com/mbugroup/lti-api.git/internal/modules/master/fcrs"
 	kandangs "gitlab.com/mbugroup/lti-api.git/internal/modules/master/kandangs"
 	locations "gitlab.com/mbugroup/lti-api.git/internal/modules/master/locations"
 	nonstocks "gitlab.com/mbugroup/lti-api.git/internal/modules/master/nonstocks"
 	productcategories "gitlab.com/mbugroup/lti-api.git/internal/modules/master/product-categories"
+	products "gitlab.com/mbugroup/lti-api.git/internal/modules/master/products"
 	suppliers "gitlab.com/mbugroup/lti-api.git/internal/modules/master/suppliers"
 	uoms "gitlab.com/mbugroup/lti-api.git/internal/modules/master/uoms"
 	warehouses "gitlab.com/mbugroup/lti-api.git/internal/modules/master/warehouses"
-	products "gitlab.com/mbugroup/lti-api.git/internal/modules/master/products"
-	banks "gitlab.com/mbugroup/lti-api.git/internal/modules/master/banks"
 	// MODULE IMPORTS
 )
 

internal/modules/master/warehouses/controllers/warehouse.controller.go

@@ -27,6 +27,7 @@ func (u *WarehouseController) 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.WarehouseService.GetAll(c, query)

internal/modules/master/warehouses/services/warehouse.service.go

@@ -55,6 +55,9 @@ func (s warehouseService) GetAll(c *fiber.Ctx, params *validation.Query) ([]enti
 		if params.Search != "" {
 			return 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/warehouses/validations/warehouse.validation.go

@@ -20,4 +20,5 @@ 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/shared/stock-logs/repositories/stock-logs.repository.go

@@ -0,0 +1,88 @@
+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 StockLogRepository interface {
+	repository.BaseRepository[entity.StockLog]
+	GetByFlaggable(ctx context.Context, logType string, logId uint) ([]*entity.StockLog, error)
+	GetByProductWarehouse(ctx context.Context, productWarehouseId uint, limit int) ([]*entity.StockLog, error)
+	GetByTransactionType(ctx context.Context, transactionType string, limit int) ([]*entity.StockLog, error)
+}
+
+type StockLogRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.StockLog]
+}
+
+func NewStockLogRepository(db *gorm.DB) StockLogRepository {
+	return &StockLogRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.StockLog](db),
+	}
+}
+
+func (r *StockLogRepositoryImpl) GetByFlaggable(ctx context.Context, logType string, logId uint) ([]*entity.StockLog, error) {
+	var stockLogs []*entity.StockLog
+
+	err := r.DB().WithContext(ctx).
+		Where("log_type = ? AND log_id = ?", logType, logId).
+		Preload("ProductWarehouse").
+		Preload("ProductWarehouse.Product").
+		Preload("ProductWarehouse.Warehouse").
+		Order("created_at DESC").
+		Find(&stockLogs).Error
+
+	if err != nil {
+		return nil, err
+	}
+
+	return stockLogs, nil
+}
+
+func (r *StockLogRepositoryImpl) GetByProductWarehouse(ctx context.Context, productWarehouseId uint, limit int) ([]*entity.StockLog, error) {
+	var stockLogs []*entity.StockLog
+
+	query := r.DB().WithContext(ctx).
+		Where("product_warehouse_id = ?", productWarehouseId).
+		Preload("ProductWarehouse").
+		Preload("ProductWarehouse.Product").
+		Preload("ProductWarehouse.Warehouse").
+		Order("created_at DESC")
+
+	if limit > 0 {
+		query = query.Limit(limit)
+	}
+
+	err := query.Find(&stockLogs).Error
+	if err != nil {
+		return nil, err
+	}
+
+	return stockLogs, nil
+}
+
+func (r *StockLogRepositoryImpl) GetByTransactionType(ctx context.Context, transactionType string, limit int) ([]*entity.StockLog, error) {
+	var stockLogs []*entity.StockLog
+
+	query := r.DB().WithContext(ctx).
+		Where("transaction_type = ?", transactionType).
+		Preload("ProductWarehouse").
+		Preload("ProductWarehouse.Product").
+		Preload("ProductWarehouse.Warehouse").
+		Order("created_at DESC")
+
+	if limit > 0 {
+		query = query.Limit(limit)
+	}
+
+	err := query.Find(&stockLogs).Error
+	if err != nil {
+		return nil, err
+	}
+
+	return stockLogs, nil
+}

internal/route/route.go

@@ -8,9 +8,10 @@ import (
 	"github.com/gofiber/fiber/v2"
 	"gorm.io/gorm"
 
+	constants "gitlab.com/mbugroup/lti-api.git/internal/modules/constants"
+	inventory "gitlab.com/mbugroup/lti-api.git/internal/modules/inventory"
 	master "gitlab.com/mbugroup/lti-api.git/internal/modules/master"
 	users "gitlab.com/mbugroup/lti-api.git/internal/modules/users"
-		constants "gitlab.com/mbugroup/lti-api.git/internal/modules/constants"
 	// MODULE IMPORTS
 )
 
@@ -24,6 +25,7 @@ func Routes(app *fiber.App, db *gorm.DB) {
 		users.UserModule{},
 		master.MasterModule{},
 		constants.ConstantModule{},
+		inventory.InventoryModule{},
 		// MODULE REGISTRY
 	}