fix: flag master data product and fix chickin approve

internal/modules/master/products/dto/product.dto.go

@@ -7,6 +7,7 @@ import (
 	productCategoryDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/product-categories/dto"
 	uomDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/master/uoms/dto"
 	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
+	utils "gitlab.com/mbugroup/lti-api.git/internal/utils"
 )
 
 // === DTO Structs ===
@@ -17,6 +18,9 @@ type ProductRelationDTO struct {
 	ProductPrice    float64                                        `gorm:"type:numeric(15,3);not null"`
 	SellingPrice    *float64                                       `gorm:"type:numeric(15,3)"`
 	Uom             *uomDTO.UomRelationDTO                         `json:"uom,omitempty"`
+	Flag            *string                                        `json:"flag,omitempty"`
+	SubFlag         *string                                        `json:"sub_flag,omitempty"`
+	SubFlags        *[]string                                      `json:"sub_flags,omitempty"`
 	Flags           *[]string                                      `json:"flags,omitempty"`
 	ProductCategory *productCategoryDTO.ProductCategoryRelationDTO `json:"product_category,omitempty"`
 	Suppliers       []ProductSupplierDTO                           `json:"suppliers"`
@@ -31,6 +35,9 @@ type ProductListDTO struct {
 	SellingPrice    *float64                                       `json:"selling_price,omitempty"`
 	Tax             *float64                                       `json:"tax,omitempty"`
 	ExpiryPeriod    *int                                           `json:"expiry_period,omitempty"`
+	Flag            *string                                        `json:"flag,omitempty"`
+	SubFlag         *string                                        `json:"sub_flag,omitempty"`
+	SubFlags        []string                                       `json:"sub_flags,omitempty"`
 	Flags           []string                                       `json:"flags"`
 	Uom             *uomDTO.UomRelationDTO                         `json:"uom,omitempty"`
 	ProductCategory *productCategoryDTO.ProductCategoryRelationDTO `json:"product_category,omitempty"`
@@ -59,6 +66,13 @@ func ToProductRelationDTO(e entity.Product) ProductRelationDTO {
 	for i, f := range e.Flags {
 		flags[i] = f.Name
 	}
+	flag, subFlag, subFlags := resolveProductFlagAndSubFlags(flags)
+	var subFlagsRef *[]string
+	if len(subFlags) > 0 {
+		values := make([]string, len(subFlags))
+		copy(values, subFlags)
+		subFlagsRef = &values
+	}
 
 	var uomRef *uomDTO.UomRelationDTO
 	if e.Uom.Id != 0 {
@@ -77,6 +91,9 @@ func ToProductRelationDTO(e entity.Product) ProductRelationDTO {
 		Name:            e.Name,
 		ProductPrice:    e.ProductPrice,
 		SellingPrice:    e.SellingPrice,
+		Flag:            flag,
+		SubFlag:         subFlag,
+		SubFlags:        subFlagsRef,
 		Flags:           &flags,
 		Uom:             uomRef,
 		ProductCategory: categoryRef,
@@ -101,6 +118,7 @@ func ToProductListDTO(e entity.Product) ProductListDTO {
 	for i, f := range e.Flags {
 		flags[i] = f.Name
 	}
+	flag, subFlag, subFlags := resolveProductFlagAndSubFlags(flags)
 
 	var uomRef *uomDTO.UomRelationDTO
 	if e.Uom.Id != 0 {
@@ -111,6 +129,9 @@ func ToProductListDTO(e entity.Product) ProductListDTO {
 	return ProductListDTO{
 		Id:              e.Id,
 		Name:            e.Name,
+		Flag:            flag,
+		SubFlag:         subFlag,
+		SubFlags:        subFlags,
 		Flags:           flags,
 		Uom:             uomRef,
 		Brand:           e.Brand,
@@ -141,6 +162,58 @@ func ToProductDetailDTO(e entity.Product) ProductDetailDTO {
 	}
 }
 
+func resolveProductFlagAndSubFlags(flags []string) (*string, *string, []string) {
+	normalized := utils.NormalizeFlagTypes(flags)
+	if len(normalized) == 0 {
+		return nil, nil, nil
+	}
+
+	available := make(map[utils.FlagType]struct{}, len(normalized))
+	for _, flag := range normalized {
+		available[flag] = struct{}{}
+	}
+
+	var selectedFlag utils.FlagType
+	for _, mainFlag := range utils.ProductMainFlags() {
+		if _, ok := available[mainFlag]; ok {
+			selectedFlag = mainFlag
+			break
+		}
+	}
+
+	if selectedFlag == "" {
+		subToMain := utils.ProductSubFlagToFlag()
+		for _, flag := range normalized {
+			if parent, ok := subToMain[flag]; ok {
+				selectedFlag = parent
+				break
+			}
+		}
+	}
+
+	if selectedFlag == "" {
+		return nil, nil, nil
+	}
+
+	flag := string(selectedFlag)
+
+	var subFlag *string
+	subFlagValues := make([]string, 0)
+	subFlagsByMain := utils.ProductSubFlagsByFlag()
+	for _, sub := range subFlagsByMain[selectedFlag] {
+		if _, ok := available[sub]; ok {
+			subFlagValues = append(subFlagValues, string(sub))
+		}
+	}
+
+	if len(subFlagValues) > 0 {
+		first := subFlagValues[0]
+		subFlag = &first
+	}
+
+	return &flag, subFlag, subFlagValues
+}
+
 func toProductSupplierDTOs(relations []entity.ProductSupplier) []ProductSupplierDTO {
 	if len(relations) == 0 {
 		return make([]ProductSupplierDTO, 0)