feat[BE]: Refactor Chickin create and approvals support chickin growing and chickin laying, and create get one project flock kandang API

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

@@ -1,36 +0,0 @@
-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.up.sql

@@ -1,36 +0,0 @@
-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/20251022024829_create_project_chickin_details.up.sql

@@ -9,7 +9,7 @@ CREATE TABLE IF NOT EXISTS project_chickin_details (
     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

internal/database/migrations/20251030134527_recreate_project_chikins_table.up.sql

@@ -3,6 +3,7 @@
 -- ============================================
 
 -- STEP 1: Hapus tabel jika sudah ada
+DROP TABLE IF EXISTS project_chickins;
 
 -- STEP 2: Buat tabel project_chickins
 CREATE TABLE IF NOT EXISTS project_chickins (
@@ -20,39 +21,38 @@ CREATE TABLE IF NOT EXISTS project_chickins (
 );
 
 -- STEP 3: FOREIGN KEYS
-DO $$
+BEGIN;
-BEGIN
-    -- Relasi ke project_flock_kandangs
-    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_flock_kandangs') THEN
-        ALTER TABLE project_chickins
-            ADD CONSTRAINT fk_project_chickins_kandang
-            FOREIGN KEY (project_flock_kandang_id)
-            REFERENCES project_flock_kandangs(id)
-            ON DELETE RESTRICT ON UPDATE CASCADE;
-    END IF;
 
-    -- Relasi ke product_warehouses
+-- Relasi ke project_flock_kandangs
-    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'product_warehouses') THEN
+ALTER TABLE project_chickins
-        ALTER TABLE project_chickins
+ADD CONSTRAINT fk_project_chickins_kandang FOREIGN KEY (project_flock_kandang_id) REFERENCES project_flock_kandangs (id) ON DELETE RESTRICT ON UPDATE CASCADE;
-            ADD CONSTRAINT fk_project_chickins_warehouse
-            FOREIGN KEY (product_warehouse_id)
-            REFERENCES product_warehouses(id)
-            ON DELETE RESTRICT ON UPDATE CASCADE;
-    END IF;
 
-    -- Relasi ke users
+-- Relasi ke product_warehouses
-    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+ALTER TABLE project_chickins
-        ALTER TABLE project_chickins
+ADD CONSTRAINT fk_project_chickins_warehouse FOREIGN KEY (product_warehouse_id) REFERENCES product_warehouses (id) ON DELETE RESTRICT ON UPDATE CASCADE;
-            ADD CONSTRAINT fk_project_chickins_created_by
+
-            FOREIGN KEY (created_by)
+-- Relasi ke users
-            REFERENCES users(id)
+ALTER TABLE project_chickins
-            ON DELETE RESTRICT ON UPDATE CASCADE;
+ADD CONSTRAINT fk_project_chickins_created_by FOREIGN KEY (created_by) REFERENCES users (id) ON DELETE RESTRICT ON UPDATE CASCADE;
-    END IF;
+
-END $$;
+COMMIT;
 
 -- STEP 4: INDEXES
-CREATE INDEX IF NOT EXISTS idx_chickins_kandang_id ON project_chickins (project_flock_kandang_id);
+CREATE INDEX IF NOT EXISTS idx_chickins_kandang_id ON project_chickins (project_flock_kandang_id)
+WHERE
+    deleted_at IS NULL;
 
-CREATE INDEX IF NOT EXISTS idx_chickins_warehouse_id ON project_chickins (product_warehouse_id);
+CREATE INDEX IF NOT EXISTS idx_chickins_warehouse_id ON project_chickins (product_warehouse_id)
+WHERE
+    deleted_at IS NULL;
 
-CREATE INDEX IF NOT EXISTS idx_chickins_created_by ON project_chickins (created_by);
+CREATE INDEX IF NOT EXISTS idx_chickins_created_by ON project_chickins (created_by);
+
+-- Composite index for common queries
+CREATE INDEX IF NOT EXISTS idx_chickins_kandang_deleted ON project_chickins (
+    project_flock_kandang_id,
+    deleted_at
+);
+
+-- Index for soft delete queries
+CREATE INDEX IF NOT EXISTS idx_chickins_deleted_at ON project_chickins (deleted_at);

internal/database/migrations/20251030134542_recreate_project_flock_populations.up.sql

@@ -3,6 +3,7 @@
 -- ============================================
 
 -- STEP 1: Hapus tabel jika sudah ada
+DROP TABLE IF EXISTS project_flock_populations;
 
 -- STEP 2: Buat tabel project_flock_populations
 CREATE TABLE IF NOT EXISTS project_flock_populations (
@@ -19,39 +20,43 @@ CREATE TABLE IF NOT EXISTS project_flock_populations (
 );
 
 -- STEP 3: FOREIGN KEYS
-DO $$
+BEGIN;
-BEGIN
-    -- Relasi ke project_chickins
-    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'project_chickins') THEN
-        ALTER TABLE project_flock_populations
-            ADD CONSTRAINT fk_project_flock_populations_chickin
-            FOREIGN KEY (project_chickin_id)
-            REFERENCES project_chickins(id)
-            ON DELETE RESTRICT ON UPDATE CASCADE;
-    END IF;
 
-    -- Relasi ke product_warehouses
+-- Relasi ke project_chickins
-    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'product_warehouses') THEN
+ALTER TABLE project_flock_populations
-        ALTER TABLE project_flock_populations
+ADD CONSTRAINT fk_project_flock_populations_chickin FOREIGN KEY (project_chickin_id) REFERENCES project_chickins (id) ON DELETE RESTRICT ON UPDATE CASCADE;
-            ADD CONSTRAINT fk_project_flock_populations_warehouse
-            FOREIGN KEY (product_warehouse_id)
-            REFERENCES product_warehouses(id)
-            ON DELETE RESTRICT ON UPDATE CASCADE;
-    END IF;
 
-    -- Relasi ke users
+-- Relasi ke product_warehouses
-    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
+ALTER TABLE project_flock_populations
-        ALTER TABLE project_flock_populations
+ADD CONSTRAINT fk_project_flock_populations_warehouse FOREIGN KEY (product_warehouse_id) REFERENCES product_warehouses (id) ON DELETE RESTRICT ON UPDATE CASCADE;
-            ADD CONSTRAINT fk_project_flock_populations_created_by
+
-            FOREIGN KEY (created_by)
+-- Relasi ke users
-            REFERENCES users(id)
+ALTER TABLE project_flock_populations
-            ON DELETE RESTRICT ON UPDATE CASCADE;
+ADD CONSTRAINT fk_project_flock_populations_created_by FOREIGN KEY (created_by) REFERENCES users (id) ON DELETE RESTRICT ON UPDATE CASCADE;
-    END IF;
+
-END $$;
+COMMIT;
 
 -- STEP 4: INDEXES
-CREATE INDEX IF NOT EXISTS idx_populations_chickin_id ON project_flock_populations (project_chickin_id);
+CREATE INDEX IF NOT EXISTS idx_populations_chickin_id ON project_flock_populations (project_chickin_id)
+WHERE
+    deleted_at IS NULL;
 
-CREATE INDEX IF NOT EXISTS idx_populations_warehouse_id ON project_flock_populations (product_warehouse_id);
+CREATE INDEX IF NOT EXISTS idx_populations_warehouse_id ON project_flock_populations (product_warehouse_id)
+WHERE
+    deleted_at IS NULL;
 
-CREATE INDEX IF NOT EXISTS idx_populations_created_by ON project_flock_populations (created_by);
+CREATE INDEX IF NOT EXISTS idx_populations_created_by ON project_flock_populations (created_by);
+
+-- Composite index for common queries
+CREATE INDEX IF NOT EXISTS idx_populations_chickin_deleted ON project_flock_populations (
+    project_chickin_id,
+    deleted_at
+);
+
+-- Index for soft delete queries
+CREATE INDEX IF NOT EXISTS idx_populations_deleted_at ON project_flock_populations (deleted_at);
+
+-- Unique constraint: one population per chickin
+CREATE UNIQUE INDEX IF NOT EXISTS idx_populations_chickin_unique ON project_flock_populations (project_chickin_id)
+WHERE
+    deleted_at IS NULL;

internal/database/seed/seeder.go

@@ -573,6 +573,7 @@ func seedProductCategories(tx *gorm.DB, createdBy uint) (map[string]uint, error)
 	}{
 		{"Bahan Baku", "RAW"},
 		{"Day Old Chick", "DOC"},
+		{"Pullet", "PULLET"},
 	}
 
 	result := make(map[string]uint, len(seeds))
@@ -787,6 +788,26 @@ func seedProducts(tx *gorm.DB, createdBy uint, uoms map[string]uint, categories
 			Suppliers: []string{"PT CHAROEN POKPHAND INDONESIA Tbk"},
 			Flags:     []utils.FlagType{utils.FlagPakan, utils.FlagStarter},
 		},
+		{
+			Name:      "DOC MAlindo",
+			Brand:     "MAlindo",
+			Sku:       "MAL0001",
+			Uom:       "Ekor",
+			Category:  "Day Old Chick",
+			Price:     8000,
+			Suppliers: []string{"PT CHAROEN POKPHAND INDONESIA Tbk"},
+			Flags:     []utils.FlagType{utils.FlagDOC},
+		},
+		{
+			Name:      "Ayam Pullet",
+			Brand:     "MBU Pullet",
+			Sku:       "PUL0001",
+			Uom:       "Ekor",
+			Category:  "Pullet",
+			Price:     15000,
+			Suppliers: []string{"PT CHAROEN POKPHAND INDONESIA Tbk"},
+			Flags:     []utils.FlagType{utils.FlagPullet},
+		},
 	}
 
 	for _, seed := range seeds {

internal/entities/projectflock_kandang.go

@@ -8,7 +8,8 @@ type ProjectFlockKandang struct {
 	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"`
+	ProjectFlock   ProjectFlock     `gorm:"foreignKey:ProjectFlockId;references:Id"`
-	Kandang      Kandang          `gorm:"foreignKey:KandangId;references:Id"`
+	Kandang        Kandang          `gorm:"foreignKey:KandangId;references:Id"`
-	Chickins     []ProjectChickin `gorm:"foreignKey:ProjectFlockKandangId;references:Id"`
+	Chickins       []ProjectChickin `gorm:"foreignKey:ProjectFlockKandangId;references:Id"`
+	LatestApproval *Approval        `gorm:"-" json:"-"`
 }

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

@@ -18,6 +18,7 @@ type ProductWarehouseRepository interface {
 	GetProductWarehouseByProductAndWarehouseID(ctx context.Context, productId, warehouseId uint) (*entity.ProductWarehouse, error)
 	GetByCategoryCodeAndWarehouseID(ctx context.Context, categoryCode string, warehouseId uint) ([]entity.ProductWarehouse, error)
 	GetLatestByCategoryCodeAndWarehouseID(ctx context.Context, categoryCode string, warehouseId uint) (*entity.ProductWarehouse, error)
+	GetFirstProductByCategoryCode(ctx context.Context, categoryCode string) (*entity.Product, error)
 	WithTxRepo(tx *gorm.DB) ProductWarehouseRepository
 	DB() *gorm.DB
 }
@@ -89,6 +90,8 @@ func (r *ProductWarehouseRepositoryImpl) GetProductWarehouseByProductAndWarehous
 func (r *ProductWarehouseRepositoryImpl) GetByCategoryCodeAndWarehouseID(ctx context.Context, categoryCode string, warehouseId uint) ([]entity.ProductWarehouse, error) {
 	var productWarehouses []entity.ProductWarehouse
 	err := r.db.WithContext(ctx).
+		Preload("Product").
+		Preload("Warehouse").
 		Table("product_warehouses").
 		Select("product_warehouses.*").
 		Joins("JOIN products ON products.id = product_warehouses.product_id").
@@ -105,6 +108,8 @@ func (r *ProductWarehouseRepositoryImpl) GetByCategoryCodeAndWarehouseID(ctx con
 func (r *ProductWarehouseRepositoryImpl) GetLatestByCategoryCodeAndWarehouseID(ctx context.Context, categoryCode string, warehouseId uint) (*entity.ProductWarehouse, error) {
 	var productWarehouse entity.ProductWarehouse
 	err := r.db.WithContext(ctx).
+		Preload("Product").
+		Preload("Warehouse").
 		Table("product_warehouses").
 		Select("product_warehouses.*").
 		Joins("JOIN products ON products.id = product_warehouses.product_id").
@@ -118,3 +123,15 @@ func (r *ProductWarehouseRepositoryImpl) GetLatestByCategoryCodeAndWarehouseID(c
 	}
 	return &productWarehouse, nil
 }
+
+func (r *ProductWarehouseRepositoryImpl) GetFirstProductByCategoryCode(ctx context.Context, categoryCode string) (*entity.Product, error) {
+	var product entity.Product
+	err := r.db.WithContext(ctx).
+		Joins("JOIN product_categories ON products.product_category_id = product_categories.id").
+		Where("product_categories.code = ?", categoryCode).
+		First(&product).Error
+	if err != nil {
+		return nil, err
+	}
+	return &product, nil
+}

internal/modules/production/chickins/dto/chickin.dto.go

@@ -15,8 +15,8 @@ import (
 // === DTO Structs (ordered) ===
 
 type ChickinBaseDTO struct {
-	Id                  uint                    `json:"id"`
+	Id                  uint  `json:"id"`
-	ProjectFlockKandang *ProjectFlockKandangDTO `json:"project_flock_kandang"`
+	ProjectFlockKandangId uint `json:"project_flock_kandang_id"`
 	ChickInDate         time.Time               `json:"chick_in_date"`
 	ProductWarehouseId  uint                    `json:"product_warehouse_id"`
 	UsageQty            float64                 `json:"usage_qty"`
@@ -55,10 +55,9 @@ type ChickinSimpleDTO struct {
 
 type ChickinListDTO struct {
 	ChickinBaseDTO
-	ProjectFlockKandang *ProjectFlockKandangDTO  `json:"project_flock_kandang"`
+	CreatedUser *userBaseDTO.UserBaseDTO `json:"created_user"`
-	CreatedUser         *userBaseDTO.UserBaseDTO `json:"created_user"`
+	CreatedAt   time.Time                `json:"created_at"`
-	CreatedAt           time.Time                `json:"created_at"`
+	UpdatedAt   time.Time                `json:"updated_at"`
-	UpdatedAt           time.Time                `json:"updated_at"`
 }
 
 type ChickinDetailDTO struct {
@@ -141,14 +140,17 @@ func ToProjectFlockKandangDTO(e entity.ProjectFlockKandang) ProjectFlockKandangD
 }
 
 func ToChickinBaseDTO(e entity.ProjectChickin) ChickinBaseDTO {
-	var pfk *ProjectFlockKandangDTO
+	var projectFlockKandangId uint
+	// Check if ProjectFlockKandang relation is loaded
 	if e.ProjectFlockKandang != nil && e.ProjectFlockKandang.Id != 0 {
-		mapped := ToProjectFlockKandangDTO(*e.ProjectFlockKandang)
+		projectFlockKandangId = e.ProjectFlockKandang.Id
-		pfk = &mapped
+	} else if e.ProjectFlockKandangId != 0 {
+		// If relation is not loaded but ID is available, use the ID
+		projectFlockKandangId = e.ProjectFlockKandangId
 	}
 	return ChickinBaseDTO{
 		Id:                  e.Id,
-		ProjectFlockKandang: pfk,
+		ProjectFlockKandangId: projectFlockKandangId,
 		ChickInDate:         e.ChickInDate,
 		ProductWarehouseId:  e.ProductWarehouseId,
 		UsageQty:            e.UsageQty,
@@ -176,17 +178,11 @@ func ToChickinListDTO(e entity.ProjectChickin) ChickinListDTO {
 		mapped := userBaseDTO.ToUserBaseDTO(*e.CreatedUser)
 		createdUser = &mapped
 	}
-	var pfk *ProjectFlockKandangDTO
-	if e.ProjectFlockKandang != nil && e.ProjectFlockKandang.Id != 0 {
-		mapped := ToProjectFlockKandangDTO(*e.ProjectFlockKandang)
-		pfk = &mapped
-	}
 	return ChickinListDTO{
-		ChickinBaseDTO:      ToChickinBaseDTO(e),
+		ChickinBaseDTO: ToChickinBaseDTO(e),
-		ProjectFlockKandang: pfk,
+		CreatedUser:    createdUser,
-		CreatedUser:         createdUser,
+		CreatedAt:      e.CreatedAt,
-		CreatedAt:           e.CreatedAt,
+		UpdatedAt:      e.UpdatedAt,
-		UpdatedAt:           e.UpdatedAt,
 	}
 }
 

internal/modules/production/chickins/repositories/project_chickin.repository.go

@@ -11,21 +11,24 @@ import (
 type ProjectChickinRepository interface {
 	repository.BaseRepository[entity.ProjectChickin]
 	GetFirstByProjectFlockID(ctx context.Context, projectFlockID uint) (*entity.ProjectChickin, error)
+	GetByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint) ([]entity.ProjectChickin, error)
 }
 
 type ChickinRepositoryImpl struct {
 	*repository.BaseRepositoryImpl[entity.ProjectChickin]
+	db *gorm.DB
 }
 
 func NewChickinRepository(db *gorm.DB) ProjectChickinRepository {
 	return &ChickinRepositoryImpl{
 		BaseRepositoryImpl: repository.NewBaseRepository[entity.ProjectChickin](db),
+		db:                 db,
 	}
 }
 
 func (r *ChickinRepositoryImpl) GetFirstByProjectFlockID(ctx context.Context, projectFlockID uint) (*entity.ProjectChickin, error) {
 	var chickin entity.ProjectChickin
-	err := r.DB().WithContext(ctx).
+	err := r.db.WithContext(ctx).
 		Where("project_floc_id = ?", projectFlockID).
 		Where("deleted_at IS NULL").
 		First(&chickin).Error
@@ -34,3 +37,15 @@ func (r *ChickinRepositoryImpl) GetFirstByProjectFlockID(ctx context.Context, pr
 	}
 	return &chickin, nil
 }
+
+func (r *ChickinRepositoryImpl) GetByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint) ([]entity.ProjectChickin, error) {
+	var chickins []entity.ProjectChickin
+	err := r.db.WithContext(ctx).
+		Where("project_flock_kandang_id = ?", projectFlockKandangID).
+		Order("created_at DESC").
+		Find(&chickins).Error
+	if err != nil {
+		return nil, err
+	}
+	return chickins, nil
+}

internal/modules/production/chickins/services/chickin.service.go

@@ -125,13 +125,21 @@ func (s *chickinService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entit
 	}
 
 	var productWarehouses []entity.ProductWarehouse
+	category := strings.ToUpper(strings.TrimSpace(projectFlockKandang.ProjectFlock.Category))
 
-	if strings.ToUpper(strings.TrimSpace(projectFlockKandang.ProjectFlock.Category)) == string(utils.ProjectFlockCategoryGrowing) {
+	var productCategoryCode string
+	switch category {
+	case string(utils.ProjectFlockCategoryGrowing):
+		productCategoryCode = "DOC"
+	case string(utils.ProjectFlockCategoryLaying):
+		productCategoryCode = "PULLET"
+	default:
+		return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Unknown category: %s", category))
+	}
 
-		productWarehouses, err = s.ProductWarehouseRepo.GetByCategoryCodeAndWarehouseID(c.Context(), "DOC", warehouse.Id)
+	productWarehouses, err = s.ProductWarehouseRepo.GetByCategoryCodeAndWarehouseID(c.Context(), productCategoryCode, warehouse.Id)
-		if err != nil || len(productWarehouses) == 0 {
+	if err != nil || len(productWarehouses) == 0 {
-			return nil, fiber.NewError(fiber.StatusNotFound, "Product for growing category in the Kandang's warehouse not found")
+		return nil, fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("Product for %s category in the Kandang's warehouse not found", strings.ToLower(category)))
-		}
 	}
 
 	chickinDate, err := utils.ParseDateString(req.ChickInDate)
@@ -142,20 +150,17 @@ func (s *chickinService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entit
 	actorID := uint(1) // todo nanti ambil dari auth context
 	newChikins := make([]*entity.ProjectChickin, 0)
 	for _, productWarehouse := range productWarehouses {
-
+		newChickin := &entity.ProjectChickin{
-		if productWarehouse.Quantity > 0 {
+			ProjectFlockKandangId: req.ProjectFlockKandangId,
-			newChickin := &entity.ProjectChickin{
+			ChickInDate:           chickinDate,
-				ProjectFlockKandangId: req.ProjectFlockKandangId,
+			UsageQty:              0,
-				ChickInDate:           chickinDate,
+			PendingUsageQty:       productWarehouse.Quantity,
-				UsageQty:              0,
+			ProductWarehouseId:    productWarehouse.Id,
-				PendingUsageQty:       productWarehouse.Quantity,
+			Notes:                 req.Note,
-				ProductWarehouseId:    productWarehouse.Id,
+			CreatedBy:             actorID,
-				Notes:                 req.Note,
-				CreatedBy:             actorID,
-			}
-
-			newChikins = append(newChikins, newChickin)
 		}
+
+		newChikins = append(newChikins, newChickin)
 	}
 
 	if len(newChikins) == 0 {
@@ -219,7 +224,6 @@ func (s chickinService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 		updateBody["chick_in_date"] = req.ChickInDate
 	}
 	if req.Note != "" {
-		// entity uses `Notes` => column `notes`
 		updateBody["notes"] = req.Note
 	}
 	if len(updateBody) == 0 {
@@ -239,7 +243,6 @@ func (s chickinService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 
 func (s chickinService) DeleteOne(c *fiber.Ctx, id uint) error {
 
-	// Simplified delete: directly call repository delete. Complex restore logic removed for now.
 	if err := s.Repository.DeleteOne(c.Context(), id); err != nil {
 		if errors.Is(err, gorm.ErrRecordNotFound) {
 			return fiber.NewError(fiber.StatusNotFound, "Chickin not found")
@@ -254,7 +257,6 @@ func (s chickinService) Approval(c *fiber.Ctx, req *validation.Approve) ([]entit
 	if err := s.Validate.Struct(req); err != nil {
 		return nil, err
 	}
-
 	actorID := uint(1) // todo nanti ambil dari auth context
 
 	var action entity.ApprovalAction
@@ -272,26 +274,40 @@ func (s chickinService) Approval(c *fiber.Ctx, req *validation.Approve) ([]entit
 		return nil, fiber.NewError(fiber.StatusBadRequest, "approvable_ids must contain at least one id")
 	}
 
+	// Validate all ProjectFlockKandang IDs exist and have valid approval status
+	approvalSvc := commonSvc.NewApprovalService(commonRepo.NewApprovalRepository(s.Repository.DB()))
+	for _, id := range approvableIDs {
+		idCopy := id
+		if err := commonSvc.EnsureRelations(c.Context(), commonSvc.RelationCheck{Name: "ProjectFlockKandang", ID: &idCopy, Exists: s.ProjectflockKandangRepo.IdExists}); err != nil {
+			return nil, err
+		}
+
+		// Check latest approval status - must be PENGAJUAN to be approvable
+		latestApproval, err := approvalSvc.LatestByTarget(c.Context(), utils.ApprovalWorkflowProjectFlockKandang, id, nil)
+		if err != nil {
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check approval status")
+		}
+		if latestApproval == nil {
+			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("No approval found for ProjectFlockKandang %d - chickins must be created first", id))
+		}
+		if latestApproval.StepNumber != uint16(utils.ProjectFlockKandangStepPengajuan) {
+			return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("ProjectFlockKandang %d cannot be approved - current status is not in PENGAJUAN stage", id))
+		}
+	}
+
 	step := utils.ProjectFlockKandangStepPengajuan
 	if action == entity.ApprovalActionApproved {
 		step = utils.ProjectFlockKandangStepDisetujui
 	}
 
 	err := s.Repository.DB().WithContext(c.Context()).Transaction(func(dbTransaction *gorm.DB) error {
+
 		approvalSvc := commonSvc.NewApprovalService(commonRepo.NewApprovalRepository(dbTransaction))
-		ProjectFlockPopulationRepotx := s.ProjectflockPopulationRepo.WithTx(dbTransaction)
+		chickinRepoTx := repository.NewChickinRepository(dbTransaction)
-		chickinRepoTx := s.Repository.WithTx(dbTransaction)
+		productWarehouseTx := s.ProductWarehouseRepo.WithTx(dbTransaction)
 
 		for _, approvableID := range approvableIDs {
 
-			exists, err := s.ProjectflockKandangRepo.WithTx(dbTransaction).IdExists(c.Context(), approvableID)
-			if err != nil {
-				return err
-			}
-			if !exists {
-				return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("ProjectFlockKandang %d not found", approvableID))
-			}
-
 			if _, err := approvalSvc.CreateApproval(
 				c.Context(),
 				utils.ApprovalWorkflowProjectFlockKandang,
@@ -311,31 +327,54 @@ func (s chickinService) Approval(c *fiber.Ctx, req *validation.Approve) ([]entit
 
 			if action == entity.ApprovalActionApproved {
 
-				var chickins []entity.ProjectChickin
+				chickins, err := chickinRepoTx.GetByProjectFlockKandangID(c.Context(), approvableID)
-				if err := chickinRepoTx.DB().WithContext(c.Context()).Where("project_flock_kandang_id = ?", approvableID).Find(&chickins).Error; err != nil {
+				if err != nil {
 					return err
 				}
 
-				for _, chickin := range chickins {
+				kandangForApproval, err := s.ProjectflockKandangRepo.GetByID(c.Context(), approvableID)
-					population := &entity.ProjectFlockPopulation{
+				if err != nil {
-						ProjectChickinId:   chickin.Id,
+					if errors.Is(err, gorm.ErrRecordNotFound) {
-						ProductWarehouseId: chickin.ProductWarehouseId,
+						return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("ProjectFlockKandang %d not found", approvableID))
-						TotalQty:           chickin.PendingUsageQty,
-						TotalUsedQty:       0,
-						Notes:              chickin.Notes,
-						CreatedBy:          actorID,
-					}
-					if err := ProjectFlockPopulationRepotx.CreateOne(c.Context(), population, nil); err != nil {
-						lower := strings.ToLower(err.Error())
-						if !(strings.Contains(lower, "duplicate") || strings.Contains(lower, "unique constraint") || strings.Contains(lower, "23505")) {
-							return err
-						}
-						s.Log.Infof("ignored duplicate population for chickin %d: %v", chickin.Id, err)
 					}
+					return err
 				}
 
-			}
+				warehouse, err := s.WarehouseRepo.GetByKandangID(c.Context(), kandangForApproval.KandangId)
+				if err != nil {
+					if errors.Is(err, gorm.ErrRecordNotFound) {
+						return fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("Warehouse for kandang %d not found", kandangForApproval.KandangId))
+					}
+					return err
+				}
 
+				pulletPW, err := s.getOrCreatePulletProductWarehouse(c, warehouse.Id, dbTransaction, actorID)
+				if err != nil {
+
+					continue
+				}
+
+				if err := s.convertChickinsToPullet(c, chickins, pulletPW, dbTransaction, actorID); err != nil {
+					return err
+				}
+
+			} else if action == entity.ApprovalActionRejected {
+
+				chickins, err := chickinRepoTx.GetByProjectFlockKandangID(c.Context(), approvableID)
+				if err != nil {
+					s.Log.Warnf("failed to get chickins for rejection %d: %v", approvableID, err)
+					continue
+				}
+
+				for _, chickin := range chickins {
+
+					updates := map[string]any{"quantity": chickin.PendingUsageQty}
+
+					if err := productWarehouseTx.PatchOne(c.Context(), chickin.ProductWarehouseId, updates, nil); err != nil {
+						s.Log.Warnf("failed to restore product warehouse quantity for rejection: %v", err)
+					}
+				}
+			}
 		}
 
 		return nil
@@ -364,6 +403,93 @@ func (s chickinService) Approval(c *fiber.Ctx, req *validation.Approve) ([]entit
 	return updated, nil
 }
 
+func (s *chickinService) getOrCreatePulletProductWarehouse(ctx *fiber.Ctx, warehouseId uint, dbTransaction *gorm.DB, actorID uint) (*entity.ProductWarehouse, error) {
+
+	pulletProducts, err := s.ProductWarehouseRepo.GetByCategoryCodeAndWarehouseID(ctx.Context(), "PULLET", warehouseId)
+	if err == nil && len(pulletProducts) > 0 {
+		return &pulletProducts[0], nil
+	}
+
+	pulletProduct, err := s.ProductWarehouseRepo.GetFirstProductByCategoryCode(ctx.Context(), "PULLET")
+	if err != nil {
+		return nil, fmt.Errorf("failed to get PULLET product: %w", err)
+	}
+	if pulletProduct == nil {
+		return nil, fmt.Errorf("no PULLET product found in system")
+	}
+
+	newPulletPW := &entity.ProductWarehouse{
+		ProductId:   pulletProduct.Id,
+		WarehouseId: warehouseId,
+		Quantity:    0,
+		CreatedBy:   actorID,
+	}
+
+	if err := s.ProductWarehouseRepo.WithTx(dbTransaction).CreateOne(ctx.Context(), newPulletPW, nil); err != nil {
+		return nil, fmt.Errorf("failed to create PULLET product warehouse: %w", err)
+	}
+
+	return newPulletPW, nil
+}
+
+func (s *chickinService) convertChickinsToPullet(ctx *fiber.Ctx, chickins []entity.ProjectChickin, pulletPW *entity.ProductWarehouse, dbTransaction *gorm.DB, actorID uint) error {
+
+	if pulletPW == nil || pulletPW.Id == 0 {
+		return fmt.Errorf("invalid PULLET product warehouse")
+	}
+
+	chickinRepoTx := repository.NewChickinRepository(dbTransaction)
+	productWarehouseTx := s.ProductWarehouseRepo.WithTx(dbTransaction)
+	ProjectFlockPopulationRepotx := s.ProjectflockPopulationRepo.WithTx(dbTransaction)
+
+	for _, chickin := range chickins {
+
+		quantityToConvert := chickin.PendingUsageQty
+
+		if err := chickinRepoTx.PatchOne(ctx.Context(), chickin.Id, map[string]any{
+			"usage_qty":         quantityToConvert,
+			"pending_usage_qty": 0,
+		}, nil); err != nil {
+			return fmt.Errorf("failed to update chickin %d qty: %w", chickin.Id, err)
+		}
+
+		// Update quantity di PULLET product warehouse dengan quantity dari chickin
+		if err := productWarehouseTx.PatchOne(ctx.Context(), pulletPW.Id, map[string]any{
+			"quantity": gorm.Expr("quantity + ?", quantityToConvert),
+		}, nil); err != nil {
+			s.Log.Warnf("failed to update PULLET warehouse quantity: %v", err)
+		}
+
+		populationExists, err := ProjectFlockPopulationRepotx.ExistsByProjectChickinID(ctx.Context(), chickin.Id)
+		if err != nil {
+			s.Log.Warnf("failed to check population existence for chickin %d: %v", chickin.Id, err)
+			continue
+		}
+
+		if !populationExists {
+			population := &entity.ProjectFlockPopulation{
+				ProjectChickinId:   chickin.Id,
+				ProductWarehouseId: pulletPW.Id,
+				TotalQty:           quantityToConvert,
+				TotalUsedQty:       0,
+				Notes:              chickin.Notes,
+				CreatedBy:          actorID,
+			}
+			if err := ProjectFlockPopulationRepotx.CreateOne(ctx.Context(), population, nil); err != nil {
+				lower := strings.ToLower(err.Error())
+				if !(strings.Contains(lower, "duplicate") || strings.Contains(lower, "unique constraint") || strings.Contains(lower, "23505")) {
+					return err
+				}
+				s.Log.Infof("ignored duplicate population for chickin %d: %v", chickin.Id, err)
+			}
+		} else {
+			s.Log.Infof("population already exists for chickin %d", chickin.Id)
+		}
+	}
+
+	return nil
+}
+
 func uniqueUintSlice(values []uint) []uint {
 	seen := make(map[uint]struct{}, len(values))
 	result := make([]uint, 0, len(values))

internal/modules/production/project-flock-kandangs/controllers/project_flock_kandang.controller.go

@@ -0,0 +1,76 @@
+package controller
+
+import (
+	"math"
+	"strconv"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs/dto"
+	service "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs/services"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/response"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type ProjectFlockKandangController struct {
+	ProjectFlockKandangService service.ProjectFlockKandangService
+}
+
+func NewProjectFlockKandangController(projectFlockKandangService service.ProjectFlockKandangService) *ProjectFlockKandangController {
+	return &ProjectFlockKandangController{
+		ProjectFlockKandangService: projectFlockKandangService,
+	}
+}
+
+func (u *ProjectFlockKandangController) GetAll(c *fiber.Ctx) error {
+	query := &validation.Query{
+		Page:   c.QueryInt("page", 1),
+		Limit:  c.QueryInt("limit", 10),
+		Search: c.Query("search", ""),
+	}
+
+	if query.Page < 1 || query.Limit < 1 {
+		return fiber.NewError(fiber.StatusBadRequest, "page and limit must be greater than 0")
+	}
+
+	result, totalResults, err := u.ProjectFlockKandangService.GetAll(c, query)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.SuccessWithPaginate[dto.ProjectFlockKandangListDTO]{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get all projectFlockKandangs successfully",
+			Meta: response.Meta{
+				Page:         query.Page,
+				Limit:        query.Limit,
+				TotalPages:   int64(math.Ceil(float64(totalResults) / float64(query.Limit))),
+				TotalResults: totalResults,
+			},
+			Data: dto.ToProjectFlockKandangListDTOs(result),
+		})
+}
+
+func (u *ProjectFlockKandangController) 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, availableQtys, err := u.ProjectFlockKandangService.GetOne(c, uint(id))
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get projectFlockKandang successfully",
+			Data:    dto.ToProjectFlockKandangListDTOWithAvailableQty(*result, availableQtys),
+		})
+}

internal/modules/production/project-flock-kandangs/dto/project_flock_kandang.dto.go

@@ -0,0 +1,353 @@
+package dto
+
+import (
+	"time"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	approvalDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/approvals/dto"
+	areaDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/areas/dto"
+	fcrDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/fcrs/dto"
+	flockDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/flocks/dto"
+	kandangDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/kandangs/dto"
+	locationDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/locations/dto"
+	chickinDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/production/chickins/dto"
+	projectFlockDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project_flocks/dto"
+	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
+)
+
+type ProjectFlockKandangBaseDTO struct {
+	Id uint `json:"id"`
+}
+
+type ProjectFlockCustomDTO struct {
+	Id          uint                         `json:"id"`
+	Period      int                          `json:"period"`
+	Flock       *flockDTO.FlockBaseDTO       `json:"flock,omitempty"`
+	Area        *areaDTO.AreaBaseDTO         `json:"area,omitempty"`
+	Category    string                       `json:"category"`
+	Fcr         *fcrDTO.FcrBaseDTO           `json:"fcr,omitempty"`
+	Location    *locationDTO.LocationBaseDTO `json:"location,omitempty"`
+	Kandangs    []kandangDTO.KandangBaseDTO  `json:"kandangs,omitempty"`
+	CreatedUser *userDTO.UserBaseDTO         `json:"created_user,omitempty"`
+	CreatedAt   time.Time                    `json:"created_at"`
+	UpdatedAt   time.Time                    `json:"updated_at"`
+}
+
+type KandangCustomDTO struct {
+	Id     uint   `json:"id"`
+	Name   string `json:"name"`
+	Status string `json:"status"`
+}
+
+type ProductBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type WarehouseBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+	Type string `json:"type"`
+}
+
+type ProductWarehouseDTO struct {
+	Id        uint              `json:"id"`
+	Quantity  float64           `json:"quantity"`
+	Product   *ProductBaseDTO   `json:"product,omitempty"`
+	Warehouse *WarehouseBaseDTO `json:"warehouse,omitempty"`
+}
+
+type AvailableQtyDTO struct {
+	ProductWarehouse *ProductWarehouseDTO `json:"product_warehouse,omitempty"`
+}
+
+type ProjectFlockKandangListDTO struct {
+	ProjectFlockKandangBaseDTO
+	ProjectFlock  *ProjectFlockCustomDTO       `json:"project_flock,omitempty"`
+	Kandang       *KandangCustomDTO            `json:"kandang,omitempty"`
+	Chickins      []chickinDTO.ChickinBaseDTO  `json:"chickins,omitempty"`
+	AvailableQtys []AvailableQtyDTO            `json:"available_qtys,omitempty"`
+	CreatedUser   *userDTO.UserBaseDTO         `json:"created_user,omitempty"`
+	CreatedAt     time.Time                    `json:"created_at"`
+	Approval      *approvalDTO.ApprovalBaseDTO `json:"approval,omitempty"`
+}
+
+type ProjectFlockKandangDetailDTO struct {
+	ProjectFlockKandangListDTO
+}
+
+func ToProjectFlockKandangBaseDTO(e entity.ProjectFlockKandang) ProjectFlockKandangBaseDTO {
+	return ProjectFlockKandangBaseDTO{
+		Id: e.Id,
+	}
+}
+
+func toProjectFlockCustomDTO(pf *projectFlockDTO.ProjectFlockListDTO) *ProjectFlockCustomDTO {
+	if pf == nil {
+		return nil
+	}
+
+	return &ProjectFlockCustomDTO{
+		Id:          pf.Id,
+		Period:      pf.Period,
+		Flock:       pf.Flock,
+		Area:        pf.Area,
+		Category:    pf.Category,
+		Fcr:         pf.Fcr,
+		Location:    pf.Location,
+		Kandangs:    pf.Kandangs,
+		CreatedUser: pf.CreatedUser,
+		CreatedAt:   pf.CreatedAt,
+		UpdatedAt:   pf.UpdatedAt,
+	}
+}
+
+func buildAvailableQtys(chickins []entity.ProjectChickin) []AvailableQtyDTO {
+	if len(chickins) == 0 {
+		return nil
+	}
+
+	availableQtyMap := make(map[uint]AvailableQtyDTO)
+	for _, ch := range chickins {
+		if ch.ProductWarehouse == nil || ch.ProductWarehouse.Quantity <= 0 {
+			continue
+		}
+
+		if _, exists := availableQtyMap[ch.ProductWarehouseId]; exists {
+			continue
+		}
+
+		pwDTO := &ProductWarehouseDTO{
+			Id:       ch.ProductWarehouse.Id,
+			Quantity: ch.ProductWarehouse.Quantity,
+		}
+
+		if ch.ProductWarehouse.Product.Id != 0 {
+			pwDTO.Product = &ProductBaseDTO{
+				Id:   ch.ProductWarehouse.Product.Id,
+				Name: ch.ProductWarehouse.Product.Name,
+			}
+		}
+
+		if ch.ProductWarehouse.Warehouse.Id != 0 {
+			pwDTO.Warehouse = &WarehouseBaseDTO{
+				Id:   ch.ProductWarehouse.Warehouse.Id,
+				Name: ch.ProductWarehouse.Warehouse.Name,
+				Type: ch.ProductWarehouse.Warehouse.Type,
+			}
+		}
+
+		availableQtyMap[ch.ProductWarehouseId] = AvailableQtyDTO{
+			ProductWarehouse: pwDTO,
+		}
+	}
+
+	if len(availableQtyMap) == 0 {
+		return nil
+	}
+
+	result := make([]AvailableQtyDTO, 0, len(availableQtyMap))
+	for _, v := range availableQtyMap {
+		result = append(result, v)
+	}
+	return result
+}
+
+func buildChickins(chickins []entity.ProjectChickin) []chickinDTO.ChickinBaseDTO {
+	if len(chickins) == 0 {
+		return nil
+	}
+
+	result := make([]chickinDTO.ChickinBaseDTO, len(chickins))
+	for i, ch := range chickins {
+		result[i] = chickinDTO.ToChickinBaseDTO(ch)
+	}
+	return result
+}
+
+func defaultProjectFlockKandangLatestApproval(e entity.ProjectFlockKandang) *approvalDTO.ApprovalBaseDTO {
+	if e.LatestApproval != nil {
+		result := approvalDTO.ToApprovalDTO(*e.LatestApproval)
+		return &result
+	}
+	return nil
+}
+
+func ToProjectFlockKandangListDTO(e entity.ProjectFlockKandang) ProjectFlockKandangListDTO {
+	var projectFlockSummary *projectFlockDTO.ProjectFlockListDTO
+	if e.ProjectFlock.Id != 0 {
+		mapped := projectFlockDTO.ToProjectFlockListDTO(e.ProjectFlock)
+		projectFlockSummary = &mapped
+	}
+
+	var kandangSummary *KandangCustomDTO
+	if e.Kandang.Id != 0 {
+		kandangSummary = &KandangCustomDTO{
+			Id:     e.Kandang.Id,
+			Name:   e.Kandang.Name,
+			Status: e.Kandang.Status,
+		}
+	}
+
+	var createdUser *userDTO.UserBaseDTO
+	if e.ProjectFlock.CreatedUser.Id != 0 {
+		mapped := userDTO.ToUserBaseDTO(e.ProjectFlock.CreatedUser)
+		createdUser = &mapped
+	} else if e.ProjectFlock.CreatedBy != 0 {
+		mapped := userDTO.UserBaseDTO{Id: e.ProjectFlock.CreatedBy, IdUser: int64(e.ProjectFlock.CreatedBy)}
+		createdUser = &mapped
+	}
+
+	return ProjectFlockKandangListDTO{
+		ProjectFlockKandangBaseDTO: ToProjectFlockKandangBaseDTO(e),
+		ProjectFlock:               toProjectFlockCustomDTO(projectFlockSummary),
+		Kandang:                    kandangSummary,
+		Chickins:                   buildChickins(e.Chickins),
+		AvailableQtys:              buildAvailableQtys(e.Chickins),
+		CreatedAt:                  e.CreatedAt,
+		CreatedUser:                createdUser,
+		Approval:                   defaultProjectFlockKandangLatestApproval(e),
+	}
+}
+
+func ToProjectFlockKandangListDTOs(e []entity.ProjectFlockKandang) []ProjectFlockKandangListDTO {
+	result := make([]ProjectFlockKandangListDTO, len(e))
+	for i, r := range e {
+		result[i] = ToProjectFlockKandangListDTO(r)
+	}
+	return result
+}
+
+func ToProjectFlockKandangDetailDTO(e entity.ProjectFlockKandang) ProjectFlockKandangDetailDTO {
+	return ProjectFlockKandangDetailDTO{
+		ProjectFlockKandangListDTO: ToProjectFlockKandangListDTO(e),
+	}
+}
+
+func ToProjectFlockKandangListDTOWithAvailableQty(e entity.ProjectFlockKandang, availableQtysRaw []map[string]interface{}) ProjectFlockKandangListDTO {
+	var projectFlockSummary *projectFlockDTO.ProjectFlockListDTO
+	if e.ProjectFlock.Id != 0 {
+		mapped := projectFlockDTO.ToProjectFlockListDTO(e.ProjectFlock)
+		projectFlockSummary = &mapped
+	}
+
+	var kandangSummary *KandangCustomDTO
+	if e.Kandang.Id != 0 {
+		kandangSummary = &KandangCustomDTO{
+			Id:     e.Kandang.Id,
+			Name:   e.Kandang.Name,
+			Status: e.Kandang.Status,
+		}
+	}
+
+	var createdUser *userDTO.UserBaseDTO
+	if e.ProjectFlock.CreatedUser.Id != 0 {
+		mapped := userDTO.ToUserBaseDTO(e.ProjectFlock.CreatedUser)
+		createdUser = &mapped
+	} else if e.ProjectFlock.CreatedBy != 0 {
+		mapped := userDTO.UserBaseDTO{Id: e.ProjectFlock.CreatedBy, IdUser: int64(e.ProjectFlock.CreatedBy)}
+		createdUser = &mapped
+	}
+
+	// convert available qtys from raw map data
+	var availableQtys []AvailableQtyDTO
+	if len(availableQtysRaw) > 0 {
+		availableQtys = buildAvailableQtysFromRaw(availableQtysRaw)
+	}
+
+	return ProjectFlockKandangListDTO{
+		ProjectFlockKandangBaseDTO: ToProjectFlockKandangBaseDTO(e),
+		ProjectFlock:               toProjectFlockCustomDTO(projectFlockSummary),
+		Kandang:                    kandangSummary,
+		Chickins:                   buildChickins(e.Chickins),
+		AvailableQtys:              availableQtys,
+		CreatedAt:                  e.CreatedAt,
+		CreatedUser:                createdUser,
+		Approval:                   defaultProjectFlockKandangLatestApproval(e),
+	}
+}
+
+func buildAvailableQtysFromRaw(availableQtysRaw []map[string]interface{}) []AvailableQtyDTO {
+	if len(availableQtysRaw) == 0 {
+		return nil
+	}
+
+	result := make([]AvailableQtyDTO, len(availableQtysRaw))
+	for i, v := range availableQtysRaw {
+		pwData, ok := v["product_warehouse"].(map[string]interface{})
+		if !ok {
+			continue
+		}
+
+		pwDTO := buildProductWarehouseFromMap(pwData)
+		result[i] = AvailableQtyDTO{
+			ProductWarehouse: pwDTO,
+		}
+	}
+	return result
+}
+
+func buildProductWarehouseFromMap(pwData map[string]interface{}) *ProductWarehouseDTO {
+	if pwData == nil {
+		return nil
+	}
+
+	dto := &ProductWarehouseDTO{}
+
+	if id, ok := pwData["id"].(float64); ok {
+		dto.Id = uint(id)
+	} else if id, ok := pwData["id"].(uint); ok {
+		dto.Id = id
+	}
+
+	if qty, ok := pwData["quantity"].(float64); ok {
+		dto.Quantity = qty
+	}
+
+	if pData, ok := pwData["product"].(map[string]interface{}); ok {
+		dto.Product = buildProductFromMap(pData)
+	}
+
+	if wData, ok := pwData["warehouse"].(map[string]interface{}); ok {
+		dto.Warehouse = buildWarehouseFromMap(wData)
+	}
+
+	return dto
+}
+
+func buildProductFromMap(pData map[string]interface{}) *ProductBaseDTO {
+	if pData == nil {
+		return nil
+	}
+
+	product := &ProductBaseDTO{}
+	if id, ok := pData["id"].(float64); ok {
+		product.Id = uint(id)
+	} else if id, ok := pData["id"].(uint); ok {
+		product.Id = id
+	}
+	if name, ok := pData["name"].(string); ok {
+		product.Name = name
+	}
+	return product
+}
+
+func buildWarehouseFromMap(wData map[string]interface{}) *WarehouseBaseDTO {
+	if wData == nil {
+		return nil
+	}
+
+	warehouse := &WarehouseBaseDTO{}
+	if id, ok := wData["id"].(float64); ok {
+		warehouse.Id = uint(id)
+	} else if id, ok := wData["id"].(uint); ok {
+		warehouse.Id = id
+	}
+	if name, ok := wData["name"].(string); ok {
+		warehouse.Name = name
+	}
+	if wType, ok := wData["type"].(string); ok {
+		warehouse.Type = wType
+	}
+	return warehouse
+}

internal/modules/production/project-flock-kandangs/module.go

@@ -0,0 +1,42 @@
+package project_flock_kandangs
+
+import (
+	"fmt"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"gorm.io/gorm"
+
+	sProjectFlockKandang "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs/services"
+	rProjectFlockKandang "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project_flocks/repositories"
+
+	commonRepo "gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	commonSvc "gitlab.com/mbugroup/lti-api.git/internal/common/service"
+	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"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+
+	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
+	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+)
+
+type ProjectFlockKandangModule struct{}
+
+func (ProjectFlockKandangModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Validate) {
+	projectFlockKandangRepo := rProjectFlockKandang.NewProjectFlockKandangRepository(db)
+	userRepo := rUser.NewUserRepository(db)
+	warehouseRepo := rWarehouse.NewWarehouseRepository(db)
+	productWarehouseRepo := rProductWarehouse.NewProductWarehouseRepository(db)
+
+	approvalRepo := commonRepo.NewApprovalRepository(db)
+	approvalService := commonSvc.NewApprovalService(approvalRepo)
+	// register workflow steps for project flock kandang approvals
+	if err := approvalService.RegisterWorkflowSteps(utils.ApprovalWorkflowProjectFlockKandang, utils.ProjectFlockKandangApprovalSteps); err != nil {
+		panic(fmt.Sprintf("failed to register project flock kandang approval workflow: %v", err))
+	}
+
+	projectFlockKandangService := sProjectFlockKandang.NewProjectFlockKandangService(projectFlockKandangRepo, approvalService, warehouseRepo, productWarehouseRepo, validate)
+	userService := sUser.NewUserService(userRepo, validate)
+
+	ProjectFlockKandangRoutes(router, userService, projectFlockKandangService)
+}

internal/modules/production/project-flock-kandangs/route.go

@@ -0,0 +1,26 @@
+package project_flock_kandangs
+
+import (
+	// m "gitlab.com/mbugroup/lti-api.git/internal/middleware"
+	controller "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs/controllers"
+	projectFlockKandang "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs/services"
+	user "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+func ProjectFlockKandangRoutes(v1 fiber.Router, u user.UserService, s projectFlockKandang.ProjectFlockKandangService) {
+	ctrl := controller.NewProjectFlockKandangController(s)
+
+	route := v1.Group("/project-flock-kandangs")
+
+	// 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/production/project-flock-kandangs/services/project_flock_kandang.service.go

@@ -0,0 +1,147 @@
+package service
+
+import (
+	"errors"
+
+	commonSvc "gitlab.com/mbugroup/lti-api.git/internal/common/service"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	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"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs/validations"
+	repository "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project_flocks/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 ProjectFlockKandangService interface {
+	GetAll(ctx *fiber.Ctx, params *validation.Query) ([]entity.ProjectFlockKandang, int64, error)
+	GetOne(ctx *fiber.Ctx, id uint) (*entity.ProjectFlockKandang, []map[string]interface{}, error)
+}
+
+type projectFlockKandangService struct {
+	Log                  *logrus.Logger
+	Validate             *validator.Validate
+	Repository           repository.ProjectFlockKandangRepository
+	ApprovalSvc          commonSvc.ApprovalService
+	WarehouseRepo        rWarehouse.WarehouseRepository
+	ProductWarehouseRepo rProductWarehouse.ProductWarehouseRepository
+}
+
+func NewProjectFlockKandangService(repo repository.ProjectFlockKandangRepository, approvalSvc commonSvc.ApprovalService, warehouseRepo rWarehouse.WarehouseRepository, productWarehouseRepo rProductWarehouse.ProductWarehouseRepository, validate *validator.Validate) ProjectFlockKandangService {
+	return &projectFlockKandangService{
+		Log:                  utils.Log,
+		Validate:             validate,
+		Repository:           repo,
+		ApprovalSvc:          approvalSvc,
+		WarehouseRepo:        warehouseRepo,
+		ProductWarehouseRepo: productWarehouseRepo,
+	}
+}
+
+func (s projectFlockKandangService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.ProjectFlockKandang, int64, error) {
+	if err := s.Validate.Struct(params); err != nil {
+		return nil, 0, err
+	}
+
+	projectFlockKandangs, err := s.Repository.GetAll(c.Context())
+	if err != nil {
+		s.Log.Errorf("Failed to get projectFlockKandangs: %+v", err)
+		return nil, 0, err
+	}
+	total := int64(len(projectFlockKandangs))
+
+	return projectFlockKandangs, total, nil
+}
+
+func (s projectFlockKandangService) GetOne(c *fiber.Ctx, id uint) (*entity.ProjectFlockKandang, []map[string]interface{}, error) {
+	projectFlockKandang, err := s.Repository.GetByID(c.Context(), id)
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, nil, fiber.NewError(fiber.StatusNotFound, "ProjectFlockKandang not found")
+	}
+	if err != nil {
+		s.Log.Errorf("Failed get projectFlockKandang by id: %+v", err)
+		return nil, nil, err
+	}
+
+	if len(projectFlockKandang.Chickins) > 0 && s.ApprovalSvc != nil {
+		latest, err := s.ApprovalSvc.LatestByTarget(c.Context(), utils.ApprovalWorkflowProjectFlockKandang, projectFlockKandang.Id, nil)
+		if err != nil {
+			s.Log.Errorf("Failed to fetch latest kandang approval for projectFlockKandang %d: %+v", projectFlockKandang.Id, err)
+		}
+
+		if latest != nil {
+			projectFlockKandang.LatestApproval = latest
+		}
+	}
+
+	availableQtys, err := s.getAvailableQuantities(c, projectFlockKandang)
+	if err != nil {
+		s.Log.Errorf("Failed to fetch available quantities for kandang %d: %+v", projectFlockKandang.Kandang.Id, err)
+		availableQtys = nil
+	}
+
+	return projectFlockKandang, availableQtys, nil
+}
+
+func (s projectFlockKandangService) getAvailableQuantities(c *fiber.Ctx, projectFlockKandang *entity.ProjectFlockKandang) ([]map[string]interface{}, error) {
+	if projectFlockKandang.Kandang.Id == 0 || s.WarehouseRepo == nil || s.ProductWarehouseRepo == nil {
+		return nil, nil
+	}
+
+	warehouse, err := s.WarehouseRepo.GetByKandangID(c.Context(), projectFlockKandang.Kandang.Id)
+	if err != nil || warehouse == nil {
+		return nil, nil
+	}
+
+	var productCategoryCode string
+	if projectFlockKandang.ProjectFlock.Category == string(utils.ProjectFlockCategoryGrowing) {
+		productCategoryCode = "DOC"
+	} else if projectFlockKandang.ProjectFlock.Category == string(utils.ProjectFlockCategoryLaying) {
+		productCategoryCode = "PULLET"
+	} else {
+
+		return nil, nil
+	}
+
+	products, err := s.ProductWarehouseRepo.GetByCategoryCodeAndWarehouseID(c.Context(), productCategoryCode, warehouse.Id)
+	if err != nil || len(products) == 0 {
+		return nil, nil
+	}
+
+	var result []map[string]interface{}
+	for _, pw := range products {
+		if pw.Quantity > 0 {
+			// Build product data
+			productData := map[string]interface{}{
+				"id":   pw.Product.Id,
+				"name": pw.Product.Name,
+			}
+
+			// Build warehouse data
+			warehouseData := map[string]interface{}{
+				"id":   pw.Warehouse.Id,
+				"name": pw.Warehouse.Name,
+				"type": pw.Warehouse.Type,
+			}
+
+			// Build product warehouse data with nested product and warehouse
+			productWarehouseData := map[string]interface{}{
+				"id":        pw.Id,
+				"quantity":  pw.Quantity,
+				"product":   productData,
+				"warehouse": warehouseData,
+			}
+
+			result = append(result, map[string]interface{}{
+				"available_qty":     pw.Quantity,
+				"product_warehouse": productWarehouseData,
+			})
+		}
+	}
+
+	return result, nil
+}

internal/modules/production/project-flock-kandangs/validations/project_flock_kandang.validation.go

@@ -0,0 +1,17 @@
+package validation
+
+type Create struct {
+	ProjectFlockId uint `json:"project_flock_id" validate:"required"`
+	KandangId      uint `json:"kandang_id" validate:"required"`
+}
+
+type Update struct {
+	ProjectFlockId *uint `json:"project_flock_id,omitempty" validate:"omitempty"`
+	KandangId      *uint `json:"kandang_id,omitempty" validate:"omitempty"`
+}
+
+type Query struct {
+	Page   int    `query:"page" validate:"omitempty,number,min=1,gt=0"`
+	Limit  int    `query:"limit" validate:"omitempty,number,min=1,max=100,gt=0"`
+	Search string `query:"search" validate:"omitempty,max=50"`
+}

internal/modules/production/project_flocks/repositories/project_flock_population_repository.go

@@ -11,6 +11,7 @@ import (
 type ProjectFlockPopulationRepository interface {
 	// domain-specific
 	GetByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint) (*entity.ProjectFlockPopulation, error)
+	ExistsByProjectChickinID(ctx context.Context, projectChickinID uint) (bool, error)
 
 	// subset of base repository methods used by services
 	CreateOne(ctx context.Context, entity *entity.ProjectFlockPopulation, modifier func(*gorm.DB) *gorm.DB) error
@@ -51,3 +52,15 @@ func (r *projectFlockPopulationRepositoryImpl) GetByProjectFlockKandangID(ctx co
 	}
 	return &record, nil
 }
+
+func (r *projectFlockPopulationRepositoryImpl) ExistsByProjectChickinID(ctx context.Context, projectChickinID uint) (bool, error) {
+	var count int64
+	err := r.DB().WithContext(ctx).
+		Where("project_chickin_id = ?", projectChickinID).
+		Model(&entity.ProjectFlockPopulation{}).
+		Count(&count).Error
+	if err != nil {
+		return false, err
+	}
+	return count > 0, nil
+}

internal/modules/production/project_flocks/repositories/projectflock_kandang.repository.go

@@ -55,6 +55,9 @@ func (r *projectFlockKandangRepositoryImpl) GetAll(ctx context.Context) ([]entit
 		Preload("ProjectFlock.Kandangs").
 		Preload("ProjectFlock.KandangHistory").
 		Preload("Kandang").
+		Preload("Chickins").
+		Preload("Chickins.CreatedUser").
+		Preload("Chickins.ProductWarehouse").
 		Order("project_flock_id ASC, created_at ASC").
 		Find(&records).Error; err != nil {
 		return nil, err
@@ -85,6 +88,9 @@ func (r *projectFlockKandangRepositoryImpl) GetByID(ctx context.Context, id uint
 		Preload("ProjectFlock.Kandangs").
 		Preload("ProjectFlock.KandangHistory").
 		Preload("Kandang").
+		Preload("Chickins").
+		Preload("Chickins.CreatedUser").
+		Preload("Chickins.ProductWarehouse").
 		First(record, id).Error; err != nil {
 		return nil, err
 	}
@@ -104,6 +110,9 @@ func (r *projectFlockKandangRepositoryImpl) GetByProjectFlockAndKandang(ctx cont
 		Preload("ProjectFlock.Kandangs").
 		Preload("ProjectFlock.KandangHistory").
 		Preload("Kandang").
+		Preload("Chickins").
+		Preload("Chickins.CreatedUser").
+		Preload("Chickins.ProductWarehouse").
 		First(record).Error; err != nil {
 		return nil, err
 	}

internal/modules/production/route.go

@@ -11,6 +11,7 @@ import (
 	projectflocks "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project_flocks"
 	recordings "gitlab.com/mbugroup/lti-api.git/internal/modules/production/recordings"
 	transferLayings "gitlab.com/mbugroup/lti-api.git/internal/modules/production/transfer_layings"
+	projectFlockKandangs "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project-flock-kandangs"
 	// MODULE IMPORTS
 )
 
@@ -22,6 +23,7 @@ func RegisterRoutes(router fiber.Router, db *gorm.DB, validate *validator.Valida
 		recordings.RecordingModule{},
 		chickins.ChickinModule{},
 		transferLayings.TransferLayingModule{},
+		projectFlockKandangs.ProjectFlockKandangModule{},
 		// MODULE REGISTRY
 }
 

internal/utils/constant.go

@@ -18,6 +18,7 @@ const (
 	FlagIsActive FlagType = "IS_ACTIVE"
 
 	FlagDOC        FlagType = "DOC"
+	FlagPullet     FlagType = "PULLET"
 	FlagPakan      FlagType = "PAKAN"
 	FlagPreStarter FlagType = "PRE-STARTER"
 	FlagStarter    FlagType = "STARTER"
@@ -37,6 +38,7 @@ const (
 var flagGroupOptions = map[FlagGroup][]FlagType{
 	FlagGroupProduct: {
 		FlagDOC,
+		FlagPullet,
 		FlagPakan,
 		FlagPreStarter,
 		FlagStarter,