feat[BE-127]: create available qty API and inisiate sales order and delivery order

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

@@ -14,6 +14,7 @@ type ProjectFlockPopulationRepository interface {
 	ExistsByProjectChickinID(ctx context.Context, projectChickinID uint) (bool, error)
 	GetByProjectChickinIDAndProductWarehouseID(ctx context.Context, projectChickinID uint, productWarehouseID uint) ([]entity.ProjectFlockPopulation, error)
 	GetByProjectFlockKandangIDAndProductWarehouseID(ctx context.Context, projectFlockKandangID uint, productWarehouseID uint) ([]entity.ProjectFlockPopulation, error)
+	GetTotalQtyByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint) (float64, error)
 
 	// subset of base repository methods used by services
 	CreateOne(ctx context.Context, entity *entity.ProjectFlockPopulation, modifier func(*gorm.DB) *gorm.DB) error
@@ -91,3 +92,17 @@ func (r *projectFlockPopulationRepositoryImpl) GetByProjectFlockKandangIDAndProd
 	}
 	return records, nil
 }
+
+func (r *projectFlockPopulationRepositoryImpl) GetTotalQtyByProjectFlockKandangID(ctx context.Context, projectFlockKandangID uint) (float64, error) {
+	var total float64
+	err := r.DB().WithContext(ctx).
+		Table("project_flock_populations").
+		Select("COALESCE(SUM(total_qty), 0) AS total_qty").
+		Joins("JOIN project_chickins ON project_chickins.id = project_flock_populations.project_chickin_id").
+		Where("project_chickins.project_flock_kandang_id = ?", projectFlockKandangID).
+		Scan(&total).Error
+	if err != nil {
+		return 0, err
+	}
+	return total, nil
+}

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

@@ -127,6 +127,9 @@ func (r *ProjectflockRepositoryImpl) applyQueryFilters(db *gorm.DB, params *vali
 		return db
 	}
 
+	if params.Category != "" {
+		db = db.Where("project_flocks.category = ?", params.Category)
+	}
 	if params.AreaId > 0 {
 		db = db.Where("project_flocks.area_id = ?", params.AreaId)
 	}