fix: flag master data product and fix chickin approve

internal/modules/constants/repositories/constant.repository.go

@@ -32,6 +32,44 @@ func (r *ConstantRepositoryImpl) GetConstants() (map[string]interface{}, error)
 	}
 	sort.Strings(flagList)
 
+	productMainFlags := utils.ProductMainFlags()
+	productMainFlagValues := make([]string, len(productMainFlags))
+	for i, flag := range productMainFlags {
+		productMainFlagValues[i] = string(flag)
+	}
+
+	type productFlagOption struct {
+		Flag                string   `json:"flag"`
+		SubFlags            []string `json:"sub_flags"`
+		AllowWithoutSubFlag bool     `json:"allow_without_sub_flag"`
+	}
+
+	productOptions := utils.ProductFlagOptions()
+	productFlagOptions := make([]productFlagOption, 0, len(productOptions))
+	for _, option := range productOptions {
+		subFlags := make([]string, len(option.SubFlags))
+		for i, subFlag := range option.SubFlags {
+			subFlags[i] = string(subFlag)
+		}
+		productFlagOptions = append(productFlagOptions, productFlagOption{
+			Flag:                string(option.Flag),
+			SubFlags:            subFlags,
+			AllowWithoutSubFlag: option.AllowWithoutSubFlag,
+		})
+	}
+
+	productSubFlagToFlagRaw := utils.ProductSubFlagToFlag()
+	productSubFlagToFlag := make(map[string]string, len(productSubFlagToFlagRaw))
+	for subFlag, flag := range productSubFlagToFlagRaw {
+		productSubFlagToFlag[string(subFlag)] = string(flag)
+	}
+
+	legacyAliasesRaw := utils.LegacyFlagTypeAliases()
+	legacyAliases := make(map[string]string, len(legacyAliasesRaw))
+	for legacy, canonical := range legacyAliasesRaw {
+		legacyAliases[string(legacy)] = string(canonical)
+	}
+
 	type approvalStepConstant struct {
 		StepNumber uint16 `json:"step_number"`
 		StepName   string `json:"step_name"`
@@ -96,9 +134,15 @@ func (r *ConstantRepositoryImpl) GetConstants() (map[string]interface{}, error)
 			"BISNIS",
 			"INDIVIDUAL",
 		},
-		"adjustment": map[string]interface{}{
-			"transaction_subtypes": adjustmentSubtypesByType,
-		},
-		"approval_workflows": approvalWorkflows,
-	}, nil
+			"adjustment": map[string]interface{}{
+				"transaction_subtypes": adjustmentSubtypesByType,
+			},
+			"legacy_flag_aliases": legacyAliases,
+			"product_flag_mapping": map[string]interface{}{
+				"flags":            productMainFlagValues,
+				"options":          productFlagOptions,
+				"sub_flag_to_flag": productSubFlagToFlag,
+			},
+			"approval_workflows": approvalWorkflows,
+		}, nil
 }

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)

internal/modules/master/products/services/product.service.go

@@ -41,6 +41,159 @@ func normalizeProductFlags(raw []string) ([]string, error) {
 	return utils.FlagTypesToStrings(normalized), nil
 }
 
+func productMainFlagOptionsString() []string {
+	mainFlags := utils.ProductMainFlags()
+	result := make([]string, len(mainFlags))
+	for i, flag := range mainFlags {
+		result[i] = string(flag)
+	}
+	return result
+}
+
+func productSubFlagOptionsString(flag utils.FlagType) []string {
+	subFlagsByFlag := utils.ProductSubFlagsByFlag()
+	subFlags := subFlagsByFlag[flag]
+	result := make([]string, len(subFlags))
+	for i, subFlag := range subFlags {
+		result[i] = string(subFlag)
+	}
+	return result
+}
+
+func normalizeStructuredSubFlagsInput(subFlagRaw *string, subFlagsRaw []string, hasSubFlagsField bool) ([]utils.FlagType, error) {
+	values := make([]string, 0, len(subFlagsRaw)+1)
+
+	if subFlagRaw != nil {
+		single := strings.TrimSpace(*subFlagRaw)
+		if single == "" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "sub_flag cannot be empty")
+		}
+		values = append(values, single)
+	}
+
+	if hasSubFlagsField {
+		for _, raw := range subFlagsRaw {
+			item := strings.TrimSpace(raw)
+			if item == "" {
+				return nil, fiber.NewError(fiber.StatusBadRequest, "sub_flags cannot contain empty value")
+			}
+			values = append(values, item)
+		}
+	}
+
+	if len(values) == 0 {
+		return nil, nil
+	}
+
+	return utils.NormalizeFlagTypes(values), nil
+}
+
+func resolveProductFlagsFromFlagInput(flagRaw *string, subFlagRaw *string, subFlagsRaw []string, hasSubFlagsField bool) ([]string, bool, error) {
+	if flagRaw == nil && subFlagRaw == nil && !hasSubFlagsField {
+		return nil, false, nil
+	}
+
+	if flagRaw == nil && (subFlagRaw != nil || hasSubFlagsField) {
+		return nil, false, fiber.NewError(fiber.StatusBadRequest, "flag is required when sub_flag/sub_flags is provided")
+	}
+
+	flagText := strings.TrimSpace(*flagRaw)
+	if flagText == "" {
+		return nil, false, fiber.NewError(fiber.StatusBadRequest, "flag cannot be empty")
+	}
+
+	flag := utils.CanonicalFlagType(flagText)
+	if !utils.IsProductMainFlag(flag) {
+		return nil, false, fiber.NewError(
+			fiber.StatusBadRequest,
+			fmt.Sprintf("Invalid product flag: %s. Allowed flags: %s", flagText, strings.Join(productMainFlagOptionsString(), ", ")),
+		)
+	}
+
+	out := []string{string(flag)}
+
+	normalizedSubFlags, err := normalizeStructuredSubFlagsInput(subFlagRaw, subFlagsRaw, hasSubFlagsField)
+	if err != nil {
+		return nil, false, err
+	}
+
+	if len(normalizedSubFlags) == 0 {
+		if !utils.ProductFlagAllowWithoutSubFlag(flag) {
+			return nil, false, fiber.NewError(
+				fiber.StatusBadRequest,
+				fmt.Sprintf("sub_flag/sub_flags is required for flag %s", string(flag)),
+			)
+		}
+		normalizedOut, normalizeErr := normalizeProductFlags(out)
+		if normalizeErr != nil {
+			return nil, false, normalizeErr
+		}
+		return normalizedOut, true, nil
+	}
+
+	invalidSubFlags := make([]string, 0)
+	for _, subFlag := range normalizedSubFlags {
+		if !utils.IsValidProductSubFlag(flag, subFlag) {
+			invalidSubFlags = append(invalidSubFlags, string(subFlag))
+		}
+	}
+	if len(invalidSubFlags) > 0 {
+		return nil, false, fiber.NewError(
+			fiber.StatusBadRequest,
+			fmt.Sprintf("Invalid sub_flags %s for flag %s. Allowed sub_flags: %s", strings.Join(invalidSubFlags, ", "), string(flag), strings.Join(productSubFlagOptionsString(flag), ", ")),
+		)
+	}
+
+	out = append(out, utils.FlagTypesToStrings(normalizedSubFlags)...)
+	normalizedOut, normalizeErr := normalizeProductFlags(out)
+	if normalizeErr != nil {
+		return nil, false, normalizeErr
+	}
+	return normalizedOut, true, nil
+}
+
+func resolveCreateProductFlags(req *validation.Create) ([]string, error) {
+	hasStructuredInput := req.Flag != nil || req.SubFlag != nil || req.SubFlags != nil
+	if len(req.Flags) > 0 && hasStructuredInput {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Use either flags or flag/sub_flag/sub_flags, not both")
+	}
+
+	if len(req.Flags) > 0 {
+		return normalizeProductFlags(req.Flags)
+	}
+
+	flags, _, err := resolveProductFlagsFromFlagInput(req.Flag, req.SubFlag, req.SubFlags, req.SubFlags != nil)
+	return flags, err
+}
+
+func resolveUpdateProductFlags(req *validation.Update) (bool, []string, error) {
+	hasStructuredInput := req.Flag != nil || req.SubFlag != nil || req.SubFlags != nil
+
+	if req.Flags != nil {
+		if hasStructuredInput {
+			if len(*req.Flags) > 0 {
+				return false, nil, fiber.NewError(fiber.StatusBadRequest, "Use either flags or flag/sub_flag/sub_flags, not both")
+			}
+		} else {
+			flags, err := normalizeProductFlags(*req.Flags)
+			if err != nil {
+				return false, nil, err
+			}
+			return true, flags, nil
+		}
+	}
+
+	subFlagsRaw := make([]string, 0)
+	if req.SubFlags != nil {
+		subFlagsRaw = *req.SubFlags
+	}
+	flags, provided, err := resolveProductFlagsFromFlagInput(req.Flag, req.SubFlag, subFlagsRaw, req.SubFlags != nil)
+	if err != nil {
+		return false, nil, err
+	}
+	return provided, flags, nil
+}
+
 func NewProductService(repo repository.ProductRepository, validate *validator.Validate) ProductService {
 	return &productService{
 		Log:        utils.Log,
@@ -177,7 +330,7 @@ func (s *productService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entit
 		}
 	}
 
-	productFlags, flagErr := normalizeProductFlags(req.Flags)
+	productFlags, flagErr := resolveCreateProductFlags(req)
 	if flagErr != nil {
 		return nil, flagErr
 	}
@@ -337,13 +490,10 @@ func (s productService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 		flagUpdate bool
 		flagValues []string
 	)
-	if req.Flags != nil {
-		flagUpdate = true
-		var flagErr error
-		flagValues, flagErr = normalizeProductFlags(*req.Flags)
-		if flagErr != nil {
-			return nil, flagErr
-		}
+	var flagErr error
+	flagUpdate, flagValues, flagErr = resolveUpdateProductFlags(req)
+	if flagErr != nil {
+		return nil, flagErr
 	}
 
 	if len(updateBody) == 0 && !supplierUpdate && !flagUpdate {

internal/modules/master/products/validations/product.validation.go

@@ -6,31 +6,37 @@ type SupplierPrice struct {
 }
 
 type Create struct {
-	Name              string   `json:"name" validate:"required_strict,min=3,max=50"`
-	Brand             string   `json:"brand" validate:"required_strict,min=2,max=50"`
-	Sku               *string  `json:"sku,omitempty" validate:"omitempty,max=100"`
-	UomID             uint     `json:"uom_id" validate:"required,gt=0"`
-	ProductCategoryID uint     `json:"product_category_id" validate:"required,gt=0"`
-	ProductPrice      float64  `json:"product_price" validate:"required"`
-	SellingPrice      *float64 `json:"selling_price,omitempty" validate:"omitempty"`
-	Tax               *float64 `json:"tax,omitempty" validate:"omitempty"`
-	ExpiryPeriod      *int     `json:"expiry_period,omitempty" validate:"omitempty,gt=0"`
+	Name              string          `json:"name" validate:"required_strict,min=3,max=50"`
+	Brand             string          `json:"brand" validate:"required_strict,min=2,max=50"`
+	Sku               *string         `json:"sku,omitempty" validate:"omitempty,max=100"`
+	UomID             uint            `json:"uom_id" validate:"required,gt=0"`
+	ProductCategoryID uint            `json:"product_category_id" validate:"required,gt=0"`
+	ProductPrice      float64         `json:"product_price" validate:"required"`
+	SellingPrice      *float64        `json:"selling_price,omitempty" validate:"omitempty"`
+	Tax               *float64        `json:"tax,omitempty" validate:"omitempty"`
+	ExpiryPeriod      *int            `json:"expiry_period,omitempty" validate:"omitempty,gt=0"`
 	Suppliers         []SupplierPrice `json:"suppliers,omitempty" validate:"omitempty,dive"`
-	Flags             []string `json:"flags,omitempty" validate:"omitempty,dive"`
+	Flag              *string         `json:"flag,omitempty" validate:"omitempty,max=50"`
+	SubFlag           *string         `json:"sub_flag,omitempty" validate:"omitempty,max=50"`
+	SubFlags          []string        `json:"sub_flags,omitempty" validate:"omitempty,dive,max=50"`
+	Flags             []string        `json:"flags,omitempty" validate:"omitempty,dive"`
 }
 
 type Update struct {
-	Name              *string   `json:"name,omitempty" validate:"omitempty,min=3"`
-	Brand             *string   `json:"brand,omitempty" validate:"omitempty,min=2"`
-	Sku               *string   `json:"sku,omitempty" validate:"omitempty"`
-	UomID             *uint     `json:"uom_id,omitempty" validate:"omitempty,gt=0"`
-	ProductCategoryID *uint     `json:"product_category_id,omitempty" validate:"omitempty,gt=0"`
-	ProductPrice      *float64  `json:"product_price,omitempty" validate:"omitempty"`
-	SellingPrice      *float64  `json:"selling_price,omitempty" validate:"omitempty"`
-	Tax               *float64  `json:"tax,omitempty" validate:"omitempty"`
-	ExpiryPeriod      *int      `json:"expiry_period,omitempty" validate:"omitempty,gt=0"`
+	Name              *string          `json:"name,omitempty" validate:"omitempty,min=3"`
+	Brand             *string          `json:"brand,omitempty" validate:"omitempty,min=2"`
+	Sku               *string          `json:"sku,omitempty" validate:"omitempty"`
+	UomID             *uint            `json:"uom_id,omitempty" validate:"omitempty,gt=0"`
+	ProductCategoryID *uint            `json:"product_category_id,omitempty" validate:"omitempty,gt=0"`
+	ProductPrice      *float64         `json:"product_price,omitempty" validate:"omitempty"`
+	SellingPrice      *float64         `json:"selling_price,omitempty" validate:"omitempty"`
+	Tax               *float64         `json:"tax,omitempty" validate:"omitempty"`
+	ExpiryPeriod      *int             `json:"expiry_period,omitempty" validate:"omitempty,gt=0"`
 	Suppliers         *[]SupplierPrice `json:"suppliers,omitempty" validate:"omitempty,dive"`
-	Flags             *[]string `json:"flags,omitempty" validate:"omitempty,dive"`
+	Flag              *string          `json:"flag,omitempty" validate:"omitempty,max=50"`
+	SubFlag           *string          `json:"sub_flag,omitempty" validate:"omitempty,max=50"`
+	SubFlags          *[]string        `json:"sub_flags,omitempty" validate:"omitempty,dive,max=50"`
+	Flags             *[]string        `json:"flags,omitempty" validate:"omitempty,dive"`
 }
 
 type Query struct {

internal/modules/production/chickins/services/fifo_stock_v2_helper.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"strings"
 	"time"
@@ -11,12 +12,6 @@ import (
 	"gorm.io/gorm"
 )
 
-const (
-	chickinOutFunctionCode = "CHICKIN_OUT"
-	chickinUsableLane      = "USABLE"
-	chickinSourceTable     = "project_chickins"
-)
-
 func reflowChickinScope(
 	ctx context.Context,
 	fifoStockV2Svc commonSvc.FifoStockV2Service,
@@ -62,9 +57,6 @@ func resolveChickinFlagGroupByProductWarehouse(ctx context.Context, tx *gorm.DB,
 		Select("rr.flag_group_code").
 		Joins("JOIN fifo_stock_v2_flag_groups fg ON fg.code = rr.flag_group_code AND fg.is_active = TRUE").
 		Where("rr.is_active = TRUE").
-		Where("rr.lane = ?", chickinUsableLane).
-		Where("rr.function_code = ?", chickinOutFunctionCode).
-		Where("rr.source_table = ?", chickinSourceTable).
 		Where(`
 			EXISTS (
 				SELECT 1
@@ -76,10 +68,13 @@ func resolveChickinFlagGroupByProductWarehouse(ctx context.Context, tx *gorm.DB,
 				  AND fm.flag_group_code = rr.flag_group_code
 			)
 		`, productWarehouseID, entity.FlagableTypeProduct).
-		Order("rr.id ASC").
+		Order("fg.priority ASC, rr.id ASC").
 		Limit(1).
 		Take(&selected).Error
 	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return "", nil
+		}
 		return "", err
 	}
 

internal/utils/constant.go

@@ -14,9 +14,17 @@ type FlagType string
 
 type FlagGroup string
 
+type ProductFlagOption struct {
+	Flag                FlagType   `json:"flag"`
+	SubFlags            []FlagType `json:"sub_flags"`
+	AllowWithoutSubFlag bool       `json:"allow_without_sub_flag"`
+}
+
 const (
 	FlagIsActive FlagType = "IS_ACTIVE"
 
+	FlagAyam FlagType = "AYAM"
+
 	FlagDOC        FlagType = "DOC"
 	FlagPullet     FlagType = "PULLET"
 	FlagLayer      FlagType = "LAYER"
@@ -36,11 +44,13 @@ const (
 	FlagAyamMati    FlagType = "AYAM-MATI"
 
 	//flag telur
-	FlagTelur      FlagType = "TELUR"
-	FlagTelurUtuh  FlagType = "TELUR-UTUH"
-	FlagTelurPecah FlagType = "TELUR-PECAH"
-	FlagTelurPutih FlagType = "TELUR-PUTIH"
-	FlagTelurRetak FlagType = "TELUR-RETAK"
+	FlagTelur        FlagType = "TELUR"
+	FlagTelurUtuh    FlagType = "TELUR-UTUH"
+	FlagTelurPecah   FlagType = "TELUR-PECAH"
+	FlagTelurPutih   FlagType = "TELUR-PUTIH"
+	FlagTelurRetak   FlagType = "TELUR-RETAK"
+	FlagTelurPapacal FlagType = "TELUR-PAPACAL"
+	FlagTelurJumbo   FlagType = "TELUR-JUMBO"
 )
 
 const (
@@ -50,9 +60,10 @@ const (
 
 var flagGroupOptions = map[FlagGroup][]FlagType{
 	FlagGroupProduct: {
-		FlagDOC,
-		FlagPullet,
-		FlagLayer,
+		FlagAyam,
+		FlagAyamAfkir,
+		FlagAyamCulling,
+		FlagAyamMati,
 		FlagPakan,
 		FlagPreStarter,
 		FlagStarter,
@@ -61,12 +72,75 @@ var flagGroupOptions = map[FlagGroup][]FlagType{
 		FlagObat,
 		FlagVitamin,
 		FlagKimia,
+		FlagTelur,
+		FlagTelurUtuh,
+		FlagTelurPecah,
+		FlagTelurPutih,
+		FlagTelurRetak,
+		FlagTelurPapacal,
+		FlagTelurJumbo,
 	},
 	FlagGroupNonstock: {
 		FlagEkspedisi,
 	},
 }
 
+var productMainFlags = []FlagType{
+	FlagAyam,
+	FlagPakan,
+	FlagOVK,
+	FlagTelur,
+}
+
+var productSubFlagsByFlag = map[FlagType][]FlagType{
+	FlagAyam: {
+		FlagAyamAfkir,
+		FlagAyamCulling,
+		FlagAyamMati,
+	},
+	FlagPakan: {
+		FlagPreStarter,
+		FlagStarter,
+		FlagFinisher,
+	},
+	FlagOVK: {
+		FlagObat,
+		FlagVitamin,
+		FlagKimia,
+	},
+	FlagTelur: {
+		FlagTelurUtuh,
+		FlagTelurPutih,
+		FlagTelurRetak,
+		FlagTelurPecah,
+		FlagTelurPapacal,
+		FlagTelurJumbo,
+	},
+}
+
+var productSubFlagToFlag = func() map[FlagType]FlagType {
+	out := make(map[FlagType]FlagType)
+	for flag, subFlags := range productSubFlagsByFlag {
+		for _, subFlag := range subFlags {
+			out[subFlag] = flag
+		}
+	}
+	return out
+}()
+
+var productAllowWithoutSubFlagByFlag = map[FlagType]bool{
+	FlagAyam:        true,
+	FlagPakan:       false,
+	FlagOVK:         false,
+	FlagTelur:       false,
+}
+
+var legacyFlagTypeAliases = map[FlagType]FlagType{
+	FlagDOC:    FlagAyam,
+	FlagPullet: FlagAyam,
+	FlagLayer:  FlagAyam,
+}
+
 var allFlagTypes = func() map[FlagType]struct{} {
 	m := map[FlagType]struct{}{
 		FlagIsActive: {},
@@ -83,6 +157,102 @@ func AllFlagTypes() map[FlagType]struct{} {
 	return allFlagTypes
 }
 
+func canonicalizeFlagType(flag FlagType) FlagType {
+	if canonical, ok := legacyFlagTypeAliases[flag]; ok {
+		return canonical
+	}
+	return flag
+}
+
+func CanonicalFlagType(v string) FlagType {
+	normalized := FlagType(strings.ToUpper(strings.TrimSpace(v)))
+	if normalized == "" {
+		return ""
+	}
+	return canonicalizeFlagType(normalized)
+}
+
+func LegacyFlagTypeAliases() map[FlagType]FlagType {
+	out := make(map[FlagType]FlagType, len(legacyFlagTypeAliases))
+	for legacy, canonical := range legacyFlagTypeAliases {
+		out[legacy] = canonical
+	}
+	return out
+}
+
+func ProductMainFlags() []FlagType {
+	out := make([]FlagType, len(productMainFlags))
+	copy(out, productMainFlags)
+	return out
+}
+
+func ProductSubFlagsByFlag() map[FlagType][]FlagType {
+	out := make(map[FlagType][]FlagType, len(productSubFlagsByFlag))
+	for flag, subFlags := range productSubFlagsByFlag {
+		dup := make([]FlagType, len(subFlags))
+		copy(dup, subFlags)
+		out[flag] = dup
+	}
+	return out
+}
+
+func ProductSubFlagToFlag() map[FlagType]FlagType {
+	out := make(map[FlagType]FlagType, len(productSubFlagToFlag))
+	for subFlag, flag := range productSubFlagToFlag {
+		out[subFlag] = flag
+	}
+	return out
+}
+
+func ProductFlagOptions() []ProductFlagOption {
+	result := make([]ProductFlagOption, 0, len(productMainFlags))
+	for _, flag := range productMainFlags {
+		subFlags := productSubFlagsByFlag[flag]
+		dup := make([]FlagType, len(subFlags))
+		copy(dup, subFlags)
+		result = append(result, ProductFlagOption{
+			Flag:                flag,
+			SubFlags:            dup,
+			AllowWithoutSubFlag: productAllowWithoutSubFlagByFlag[flag],
+		})
+	}
+	return result
+}
+
+func ProductFlagAllowWithoutSubFlag(flag FlagType) bool {
+	canonical := canonicalizeFlagType(flag)
+	allow, ok := productAllowWithoutSubFlagByFlag[canonical]
+	if !ok {
+		return false
+	}
+	return allow
+}
+
+func IsProductMainFlag(flag FlagType) bool {
+	canonical := canonicalizeFlagType(flag)
+	for _, f := range productMainFlags {
+		if f == canonical {
+			return true
+		}
+	}
+	return false
+}
+
+func IsValidProductSubFlag(flag FlagType, subFlag FlagType) bool {
+	canonicalFlag := canonicalizeFlagType(flag)
+	canonicalSubFlag := canonicalizeFlagType(subFlag)
+	allowedSubFlags, ok := productSubFlagsByFlag[canonicalFlag]
+	if !ok {
+		return false
+	}
+	for _, allowed := range allowedSubFlags {
+		if allowed == canonicalSubFlag {
+			return true
+		}
+	}
+	return false
+}
+
 // -------------------------------------------------------------------
 // WarehouseType
 // -------------------------------------------------------------------
@@ -621,7 +791,11 @@ const (
 // -------------------------------------------------------------------
 
 func IsValidFlagType(v string) bool {
-	_, ok := allFlagTypes[FlagType(strings.ToUpper(strings.TrimSpace(v)))]
+	flag := FlagType(strings.ToUpper(strings.TrimSpace(v)))
+	if _, ok := allFlagTypes[flag]; ok {
+		return true
+	}
+	_, ok := legacyFlagTypeAliases[flag]
 	return ok
 }
 
@@ -667,6 +841,7 @@ func NormalizeFlagTypes(flags []string) []FlagType {
 		if normalized == "" {
 			continue
 		}
+		normalized = canonicalizeFlagType(normalized)
 		if _, exists := seen[normalized]; exists {
 			continue
 		}