FIX[BE] : fix productwarehouses flags faram become multiple param

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

@@ -28,6 +28,7 @@ func (u *ProductWarehouseController) GetAll(c *fiber.Ctx) error {
 		Limit:       c.QueryInt("limit", 10),
 		ProductId:   uint(c.QueryInt("product_id", 0)),
 		WarehouseId: uint(c.QueryInt("warehouse_id", 0)),
+		Flags:       c.Query("flags", ""),
 	}
 
 	if query.Page < 1 || query.Limit < 1 {

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

@@ -71,6 +71,8 @@ func (s productWarehouseService) GetAll(c *fiber.Ctx, params *validation.Query)
 
 	offset := (params.Page - 1) * params.Limit
 
+	cleanFlags := utils.ParseFlags(params.Flags)
+
 	productWarehouses, total, err := s.Repository.GetAll(c.Context(), offset, params.Limit, func(db *gorm.DB) *gorm.DB {
 		db = s.withRelations(db)
 
@@ -82,6 +84,12 @@ func (s productWarehouseService) GetAll(c *fiber.Ctx, params *validation.Query)
 			db = db.Where("warehouse_id = ?", params.WarehouseId)
 		}
 
+		if len(cleanFlags) > 0 {
+			db = db.Joins("JOIN products ON products.id = product_warehouses.product_id").
+				Joins("JOIN flags ON flags.flagable_id = products.id AND flags.flagable_type = ?", "products").
+				Where("flags.name IN ?", cleanFlags)
+		}
+
 		return db.Order("created_at DESC").Order("updated_at DESC")
 	})
 

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

@@ -13,8 +13,9 @@ type Update struct {
 }
 
 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"`
+	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"`
+	Flags       string `query:"flags" validate:"omitempty"`
 }

internal/utils/strings.go

@@ -1,6 +1,9 @@
 package utils
 
-import "strings"
+import (
+	"sort"
+	"strings"
+)
 
 // NormalizeTrim returns the input string without leading/trailing whitespace.
 func NormalizeTrim(value string) string {
@@ -11,3 +14,36 @@ func NormalizeTrim(value string) string {
 func NormalizeUpper(value string) string {
 	return strings.ToUpper(NormalizeTrim(value))
 }
+
+// NormalizeFlag trims whitespace, removes surrounding brackets/quotes and returns upper-case flag
+func NormalizeFlag(value string) string {
+	v := NormalizeTrim(value)
+	v = strings.Trim(v, "[]\"'")
+	return strings.ToUpper(v)
+}
+
+// ParseFlags parses a raw flags string like "[DOC, PAKAN]" or "DOC,PAKAN"
+// and returns a deduplicated, sorted slice of normalized flags (upper-case, trimmed).
+func ParseFlags(raw string) []string {
+	if raw == "" {
+		return nil
+	}
+	parts := strings.Split(raw, ",")
+	set := make(map[string]struct{}, len(parts))
+	for _, p := range parts {
+		f := NormalizeFlag(p)
+		if f == "" {
+			continue
+		}
+		set[f] = struct{}{}
+	}
+	if len(set) == 0 {
+		return nil
+	}
+	res := make([]string, 0, len(set))
+	for k := range set {
+		res = append(res, k)
+	}
+	sort.Strings(res)
+	return res
+}