FEAT[BE] :add week calculation and chickin preload to product warehouse services

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

@@ -6,6 +6,7 @@ import (
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
 	productDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/products/dto"
 	warehouseDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/warehouses/dto"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
 )
 
 // === DTO Structs ===
@@ -22,6 +23,7 @@ type ProductWarehouseListDTO struct {
 	Product             *productDTO.ProductRelationDTO     `json:"product,omitempty"`
 	Warehouse           *warehouseDTO.WarehouseRelationDTO `json:"warehouse,omitempty"`
 	ProjectFlockKandang *ProjectFlockKandangRelationDTO    `json:"project_flock_kandang,omitempty"`
+	Week                int                                `json:"week"`
 	CreatedUser         *UserRelationDTO                   `json:"created_user,omitempty"`
 	CreatedAt           time.Time                          `json:"created_at"`
 	UpdatedAt           time.Time                          `json:"updated_at"`
@@ -109,6 +111,22 @@ func ToProductWarehouseListDTO(e entity.ProductWarehouse) ProductWarehouseListDT
 		}
 
 		dto.ProjectFlockKandang = pfkDTO
+
+		// Calculate week for AYAM_PULLET/AYAM products
+		productFlags := make([]string, len(e.Product.Flags))
+		for i, f := range e.Product.Flags {
+			productFlags[i] = f.Name
+		}
+
+		var category string
+		if e.ProjectFlockKandang.ProjectFlock.Id != 0 {
+			category = e.ProjectFlockKandang.ProjectFlock.Category
+		}
+
+		now := time.Now()
+		_, ageInWeeks := calculateAgeFromChickin(e.ProjectFlockKandang, &now, productFlags, category)
+
+		dto.Week = ageInWeeks
 	}
 
 	return dto
@@ -138,3 +156,58 @@ func ToProductWarehouseNestedDTO(e entity.ProductWarehouse) ProductWarehousNeste
 		Warehouse: &warehouse,
 	}
 }
+
+// Helper function to calculate age from chickin (same logic as closingMarketing.dto.go)
+func calculateAgeFromChickin(projectFlockKandang *entity.ProjectFlockKandang, currentDate *time.Time, productFlags []string, category string) (int, int) {
+	if projectFlockKandang == nil || currentDate == nil || len(projectFlockKandang.Chickins) == 0 {
+		return 0, 0
+	}
+
+	// Return 0 for TRADING, TELUR, and AYAM flags (only AYAM_PULLET should have week)
+	for _, flag := range productFlags {
+		if flag == string(utils.FlagOVK) ||
+			flag == string(utils.FlagPakan) ||
+			flag == string(utils.FlagPreStarter) ||
+			flag == string(utils.FlagStarter) ||
+			flag == string(utils.FlagFinisher) ||
+			flag == string(utils.FlagObat) ||
+			flag == string(utils.FlagVitamin) ||
+			flag == string(utils.FlagKimia) ||
+			flag == string(utils.FlagEkspedisi) ||
+			flag == string(utils.FlagTelur) ||
+			flag == string(utils.FlagTelurUtuh) ||
+			flag == string(utils.FlagTelurPecah) ||
+			flag == string(utils.FlagTelurPutih) ||
+			flag == string(utils.FlagTelurRetak) ||
+			flag == string(utils.FlagAyamAfkir) ||
+			flag == string(utils.FlagAyamCulling) ||
+			flag == string(utils.FlagAyamMati) {
+			return 0, 0
+		}
+	}
+
+	// Find earliest chickin date
+	earliestChickinDate := projectFlockKandang.Chickins[0].ChickInDate
+	for _, chickin := range projectFlockKandang.Chickins {
+		if chickin.ChickInDate.Before(earliestChickinDate) {
+			earliestChickinDate = chickin.ChickInDate
+		}
+	}
+
+	diff := currentDate.Sub(earliestChickinDate)
+	ageInDays := int(diff.Hours() / 24)
+
+	var ageInWeeks int
+	if ageInDays <= 0 {
+		ageInWeeks = 0
+	} else {
+		if category == string(utils.ProjectFlockCategoryLaying) {
+			ageInDays = ageInDays + 119
+			ageInWeeks = ((ageInDays - 1) / 7) + 1
+		} else {
+			ageInWeeks = ((ageInDays - 1) / 7) + 1
+		}
+	}
+
+	return ageInDays, ageInWeeks
+}

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

@@ -46,7 +46,8 @@ func (s productWarehouseService) withRelations(db *gorm.DB) *gorm.DB {
 		Preload("Warehouse.Area").
 		Preload("Warehouse.Kandang").
 		Preload("ProjectFlockKandang").
-		Preload("ProjectFlockKandang.ProjectFlock")
+		Preload("ProjectFlockKandang.ProjectFlock").
+		Preload("ProjectFlockKandang.Chickins")
 }
 
 func (s productWarehouseService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.ProductWarehouse, int64, error) {