resolve conflict to sprint 7

internal/modules/closings/controllers/closing.controller.go

@@ -246,6 +246,28 @@ func (u *ClosingController) GetSapronakByKandang(c *fiber.Ctx) error {
 		})
 }
 
+func (u *ClosingController) GetClosingKeuangan(c *fiber.Ctx) error {
+	param := c.Params("project_flock_id")
+
+	projectFlockID, err := strconv.Atoi(param)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid Project Flock Id")
+	}
+
+	result, err := u.ClosingService.GetClosingKeuangan(c, uint(projectFlockID))
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Get closing keuangan successfully",
+			Data:    result,
+		})
+}
+
 func (u *ClosingController) GetExpeditionHPP(c *fiber.Ctx) error {
 	param := c.Params("project_flock_id")
 

internal/modules/closings/dto/closingKeuangan.dto.go

@@ -0,0 +1,568 @@
+package dto
+
+import (
+	"slices"
+	"strings"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+)
+
+// === CONSTANTS ===
+const (
+	HPPGroupPengeluaran = "HPP dan Pengeluaran"
+	HPPGroupBahanBaku   = "HPP dan Bahan Baku"
+	HPPLabelOverhead    = "Pengeluaran Overhead"
+	HPPLabelEkspedisi   = "Beban Ekspedisi"
+	HPPSummaryLabel     = "HPP"
+
+	PLSalesTypeChicken = "Penjualan Ayam Besar"
+	PLSalesTypeEgg     = "Penjualan Telur"
+
+	PLItemTypeSapronak  = "Pembelian Sapronak"
+	PLItemTypeOverhead  = "Pengeluaran Overhead"
+	PLItemTypeEkspedisi = "Beban Ekspedisi"
+
+	PLSummaryLabelGrossProfit = "LABA RUGI BRUTTO"
+	PLSummaryLabelSubTotal    = "SUB TOTAL"
+	PLSummaryLabelNetProfit   = "LABA RUGI NETTO"
+
+	PurchaseLabelPrefix = "Pembelian "
+)
+
+// === CONTEXT STRUCTS ===
+
+type CalculationContext struct {
+	TotalPopulation     float64
+	TotalWeightProduced float64
+	TotalDepletion      float64
+	TotalWeightSold     float64
+	ActualPopulation    float64
+}
+
+type ClosingKeuanganInput struct {
+	ProjectFlockCategory string
+	PurchaseItems        []entities.PurchaseItem
+	Budgets              []entities.ProjectBudget
+	Realizations         []entities.ExpenseRealization
+	DeliveryProducts     []entities.MarketingDeliveryProduct
+	Chickins             []entities.ProjectChickin
+	TotalWeightProduced  float64
+	TotalDepletion       float64
+}
+
+// === BASE METRICS ===
+
+type FinancialMetrics struct {
+	RpPerBird float64 `json:"rp_per_bird"`
+	RpPerKg   float64 `json:"rp_per_kg"`
+	Amount    float64 `json:"amount"`
+}
+
+type Comparison struct {
+	Budgeting   FinancialMetrics `json:"budgeting"`
+	Realization FinancialMetrics `json:"realization"`
+}
+
+// === HPP PURCHASES PACKAGE ===
+
+type HppItem struct {
+	Type string `json:"type"`
+	Comparison
+}
+
+type HppGroup struct {
+	GroupName string    `json:"group_name"`
+	Data      []HppItem `json:"data"`
+}
+
+type SummaryHpp struct {
+	Label string `json:"label"`
+	Comparison
+}
+
+type HppPurchasesSection struct {
+	Hpp        []HppGroup `json:"hpp"`
+	SummaryHpp SummaryHpp `json:"summary_hpp"`
+}
+
+// === PROFIT LOSS PACKAGE ===
+
+type PLItem struct {
+	Type string `json:"type"`
+	FinancialMetrics
+}
+
+type PLSummaryItem struct {
+	Label string `json:"label"`
+	FinancialMetrics
+}
+
+type PLSummaryGroup struct {
+	GrossProfit PLSummaryItem `json:"gross_profit"`
+	SubTotal    PLSummaryItem `json:"sub_total"`
+	NetProfit   PLSummaryItem `json:"net_profit"`
+}
+
+type ProfitLossData struct {
+	Penjualan []PLItem       `json:"penjualan"`
+	Pembelian []PLItem       `json:"pembelian"`
+	Overhead  PLItem         `json:"overhead"`
+	Ekspedisi PLItem         `json:"ekspedisi"`
+	Summary   PLSummaryGroup `json:"summary"`
+}
+
+type ProfitLossSection struct {
+	Data ProfitLossData `json:"data"`
+}
+
+// === RESPONSE DTO (ROOT) ===
+
+type ReportResponse struct {
+	HppPurchases HppPurchasesSection `json:"hpp_purchases"`
+	ProfitLoss   ProfitLossSection   `json:"profit_loss"`
+}
+
+// === MAPPER FUNCTIONS ===
+
+func ToFinancialMetrics(rpPerBird, rpPerKg, amount float64) FinancialMetrics {
+	return FinancialMetrics{
+		RpPerBird: rpPerBird,
+		RpPerKg:   rpPerKg,
+		Amount:    amount,
+	}
+}
+
+func ToComparison(budgeting, realization FinancialMetrics) Comparison {
+	return Comparison{
+		Budgeting:   budgeting,
+		Realization: realization,
+	}
+}
+
+// === HPP PENGELUARAN (from Purchase Items) ===
+
+func getFlagLabel(flagType utils.FlagType) string {
+	return PurchaseLabelPrefix + string(flagType)
+}
+
+func buildHppItemsByPurchaseFlags(purchaseItems []entities.PurchaseItem, ctx CalculationContext) []HppItem {
+	flags := []utils.FlagType{
+		utils.FlagDOC, utils.FlagPullet, utils.FlagLayer, utils.FlagPakan,
+		utils.FlagPreStarter, utils.FlagStarter, utils.FlagFinisher,
+		utils.FlagOVK, utils.FlagObat, utils.FlagVitamin, utils.FlagKimia,
+	}
+
+	items := []HppItem{}
+	seenFlags := make(map[utils.FlagType]bool)
+
+	for _, item := range purchaseItems {
+		if item.Product == nil || len(item.Product.Flags) == 0 {
+			continue
+		}
+
+		for _, flag := range item.Product.Flags {
+			flagType := utils.FlagType(flag.Name)
+
+			if slices.Contains(flags, flagType) && !seenFlags[flagType] {
+				amount := sumPurchasesByFlag(purchaseItems, flagType)
+				rpPerBird, rpPerKg := calculatePerUnitMetrics(amount, ctx.TotalPopulation, ctx.TotalWeightProduced)
+
+				items = append(items, HppItem{
+					Type: getFlagLabel(flagType),
+					Comparison: ToComparison(
+						ToFinancialMetrics(rpPerBird, rpPerKg, amount),
+						ToFinancialMetrics(rpPerBird, rpPerKg, amount),
+					),
+				})
+				seenFlags[flagType] = true
+			}
+		}
+	}
+
+	return items
+}
+
+// === HPP BAHAN BAKU (from ProjectBudget + ExpenseRealization) ===
+
+func createHppOverheadItem(budgetAmount, realizationAmount float64, ctx CalculationContext) HppItem {
+	budgetRpPerBird, budgetRpPerKg := calculatePerUnitMetrics(budgetAmount, ctx.TotalPopulation, ctx.TotalWeightProduced)
+	realizationRpPerBird, realizationRpPerKg := calculatePerUnitMetrics(realizationAmount, ctx.TotalPopulation, ctx.TotalWeightProduced)
+
+	return HppItem{
+		Type: HPPLabelOverhead,
+		Comparison: ToComparison(
+			ToFinancialMetrics(budgetRpPerBird, budgetRpPerKg, budgetAmount),
+			ToFinancialMetrics(realizationRpPerBird, realizationRpPerKg, realizationAmount),
+		),
+	}
+}
+
+func createHppEkspedisiItem(ekspedisiAmount float64, ctx CalculationContext) HppItem {
+	ekspedisiRpPerBird, ekspedisiRpPerKg := calculatePerUnitMetrics(ekspedisiAmount, ctx.TotalPopulation, ctx.TotalWeightProduced)
+
+	return HppItem{
+		Type: HPPLabelEkspedisi,
+		Comparison: ToComparison(
+			ToFinancialMetrics(ekspedisiRpPerBird, ekspedisiRpPerKg, ekspedisiAmount),
+			ToFinancialMetrics(ekspedisiRpPerBird, ekspedisiRpPerKg, ekspedisiAmount),
+		),
+	}
+}
+
+func ToHppBahanBakuGroup(budgets []entities.ProjectBudget, realizations []entities.ExpenseRealization, ctx CalculationContext) HppGroup {
+	items := []HppItem{}
+
+	budgetAmount := sumBudgetsByFilter(budgets, func(*entities.ProjectBudget) bool { return true })
+	realizationAmount := getOperationalExpenses(realizations)
+
+	if budgetAmount > 0 || realizationAmount > 0 {
+		items = append(items, createHppOverheadItem(budgetAmount, realizationAmount, ctx))
+	}
+
+	ekspedisiAmount := sumRealizationsByFilter(realizations, filterRealizationByNonstockFlag(utils.FlagEkspedisi))
+	items = append(items, createHppEkspedisiItem(ekspedisiAmount, ctx))
+
+	return HppGroup{
+		GroupName: HPPGroupBahanBaku,
+		Data:      items,
+	}
+}
+
+// === HPP SUMMARY ===
+
+func ToSummaryHpp(label string, purchaseItems []entities.PurchaseItem, budgets []entities.ProjectBudget, realizations []entities.ExpenseRealization, ctx CalculationContext) SummaryHpp {
+	purchaseTotal := sumPurchaseTotal(purchaseItems)
+	budgetTotal := sumBudgetsByFilter(budgets, func(*entities.ProjectBudget) bool { return true })
+	totalBudget := purchaseTotal + budgetTotal
+
+	totalRealization := sumRealizationsByFilter(realizations, func(*entities.ExpenseRealization) bool { return true })
+
+	budgetRpPerBird, budgetRpPerKg := calculatePerUnitMetrics(totalBudget, ctx.TotalPopulation, ctx.TotalWeightProduced)
+	realizationRpPerBird, realizationRpPerKg := calculatePerUnitMetrics(totalRealization, ctx.TotalPopulation, ctx.TotalWeightProduced)
+
+	return SummaryHpp{
+		Label: label,
+		Comparison: ToComparison(
+			ToFinancialMetrics(budgetRpPerBird, budgetRpPerKg, totalBudget),
+			ToFinancialMetrics(realizationRpPerBird, realizationRpPerKg, totalRealization),
+		),
+	}
+}
+
+func ToHppPurchasesSection(purchaseItems []entities.PurchaseItem, budgets []entities.ProjectBudget, realizations []entities.ExpenseRealization, ctx CalculationContext) HppPurchasesSection {
+	hppGroups := []HppGroup{
+		{
+			GroupName: HPPGroupPengeluaran,
+			Data:      buildHppItemsByPurchaseFlags(purchaseItems, ctx),
+		},
+		ToHppBahanBakuGroup(budgets, realizations, ctx),
+	}
+
+	summaryHpp := ToSummaryHpp(HPPSummaryLabel, purchaseItems, budgets, realizations, ctx)
+
+	return HppPurchasesSection{
+		Hpp:        hppGroups,
+		SummaryHpp: summaryHpp,
+	}
+}
+
+// === PROFIT & LOSS ===
+
+func ToPLItem(itemType string, metrics FinancialMetrics) PLItem {
+	return PLItem{
+		Type:             itemType,
+		FinancialMetrics: metrics,
+	}
+}
+
+func ToPLSummaryItem(label string, metrics FinancialMetrics) PLSummaryItem {
+	return PLSummaryItem{
+		Label:            label,
+		FinancialMetrics: metrics,
+	}
+}
+
+func createPLItemWithMetrics(itemType string, amount float64, ctx CalculationContext) PLItem {
+	rpPerBird, rpPerKg := calculatePerUnitMetrics(amount, ctx.ActualPopulation, ctx.TotalWeightProduced)
+	return ToPLItem(itemType, ToFinancialMetrics(rpPerBird, rpPerKg, amount))
+}
+
+func sumPLItems(items []PLItem) (totalAmount, totalPerBird float64) {
+	for _, item := range items {
+		totalAmount += item.Amount
+		totalPerBird += item.RpPerBird
+	}
+	return
+}
+
+func createPenjualanItem(salesType string, amount float64, ctx CalculationContext) PLItem {
+	rpPerBird, rpPerKg := calculatePerUnitMetrics(amount, ctx.ActualPopulation, ctx.TotalWeightSold)
+	return ToPLItem(salesType, ToFinancialMetrics(rpPerBird, rpPerKg, amount))
+}
+
+func ToPenjualanItems(projectFlockCategory string, deliveryProducts []entities.MarketingDeliveryProduct, ctx CalculationContext) []PLItem {
+	items := []PLItem{}
+
+	categorized := categorizeDeliveriesBySalesType(deliveryProducts)
+
+	if projectFlockCategory == string(utils.ProjectFlockCategoryLaying) {
+		ayamAmount := sumDeliveriesByCategory(categorized[PLSalesTypeChicken])
+		telurAmount := sumDeliveriesByCategory(categorized[PLSalesTypeEgg])
+
+		items = append(items, createPenjualanItem(PLSalesTypeChicken, ayamAmount, ctx))
+		items = append(items, createPenjualanItem(PLSalesTypeEgg, telurAmount, ctx))
+	} else {
+		ayamAmount := sumDeliveriesByCategory(categorized[PLSalesTypeChicken])
+		items = append(items, createPenjualanItem(PLSalesTypeChicken, ayamAmount, ctx))
+	}
+
+	return items
+}
+
+func ToPembelianItems(purchases []entities.PurchaseItem, realizations []entities.ExpenseRealization, ctx CalculationContext) []PLItem {
+	purchaseAmount := sumPurchaseTotal(purchases)
+	bopAmount := getOperationalExpenses(realizations)
+	totalCost := purchaseAmount + bopAmount
+
+	return []PLItem{
+		createPLItemWithMetrics(PLItemTypeSapronak, totalCost, ctx),
+	}
+}
+
+func ToOverheadItems(realizations []entities.ExpenseRealization, ctx CalculationContext) []PLItem {
+	realizationAmount := getOperationalExpenses(realizations)
+	return []PLItem{
+		createPLItemWithMetrics(PLItemTypeOverhead, realizationAmount, ctx),
+	}
+}
+
+func ToEkspedisiItems(realizations []entities.ExpenseRealization, ctx CalculationContext) []PLItem {
+	amount := sumRealizationsByFilter(realizations, filterRealizationByNonstockFlag(utils.FlagEkspedisi))
+	return []PLItem{
+		createPLItemWithMetrics(PLItemTypeEkspedisi, amount, ctx),
+	}
+}
+
+func ToPLSummaryGroup(penjualanItems, pembelianItems, overheadItems, ekspedisiItems []PLItem) PLSummaryGroup {
+	totalPenjualan, totalPenjualanPerBird := sumPLItems(penjualanItems)
+	totalPembelian, totalPembelianPerBird := sumPLItems(pembelianItems)
+	totalOverhead, totalOverheadPerBird := sumPLItems(overheadItems)
+	totalEkspedisi, totalEkspedisiPerBird := sumPLItems(ekspedisiItems)
+
+	grossProfit := totalPenjualan - totalPembelian
+	grossProfitPerBird := totalPenjualanPerBird - totalPembelianPerBird
+
+	totalOtherExpenses := totalOverhead + totalEkspedisi
+	totalOtherExpensesPerBird := totalOverheadPerBird + totalEkspedisiPerBird
+
+	netProfit := grossProfit - totalOtherExpenses
+	netProfitPerBird := grossProfitPerBird - totalOtherExpensesPerBird
+
+	return PLSummaryGroup{
+		GrossProfit: ToPLSummaryItem(PLSummaryLabelGrossProfit, ToFinancialMetrics(grossProfitPerBird, 0, grossProfit)),
+		SubTotal:    ToPLSummaryItem(PLSummaryLabelSubTotal, ToFinancialMetrics(totalOtherExpensesPerBird, 0, totalOtherExpenses)),
+		NetProfit:   ToPLSummaryItem(PLSummaryLabelNetProfit, ToFinancialMetrics(netProfitPerBird, 0, netProfit)),
+	}
+}
+
+func ToProfitLossData(penjualanItems, pembelianItems, overheadItems, ekspedisiItems []PLItem) ProfitLossData {
+	summary := ToPLSummaryGroup(penjualanItems, pembelianItems, overheadItems, ekspedisiItems)
+
+	totalOverhead := aggregatePLItems(overheadItems, PLItemTypeOverhead)
+	totalEkspedisi := aggregatePLItems(ekspedisiItems, PLItemTypeEkspedisi)
+
+	return ProfitLossData{
+		Penjualan: penjualanItems,
+		Pembelian: pembelianItems,
+		Overhead:  totalOverhead,
+		Ekspedisi: totalEkspedisi,
+		Summary:   summary,
+	}
+}
+
+func ToProfitLossSection(penjualanItems, pembelianItems, overheadItems, ekspedisiItems []PLItem) ProfitLossSection {
+	return ProfitLossSection{
+		Data: ToProfitLossData(penjualanItems, pembelianItems, overheadItems, ekspedisiItems),
+	}
+}
+
+func aggregatePLItems(items []PLItem, label string) PLItem {
+	totalAmount, totalPerBird := sumPLItems(items)
+	return ToPLItem(label, ToFinancialMetrics(totalPerBird, 0, totalAmount))
+}
+
+func ToReportResponse(hppPurchases HppPurchasesSection, profitLoss ProfitLossSection) ReportResponse {
+	return ReportResponse{
+		HppPurchases: hppPurchases,
+		ProfitLoss:   profitLoss,
+	}
+}
+
+func ToClosingKeuanganReport(input ClosingKeuanganInput) ReportResponse {
+	var totalPopulation float64
+	var totalWeightSold float64
+
+	for _, chickin := range input.Chickins {
+		totalPopulation += chickin.UsageQty
+	}
+
+	for _, delivery := range input.DeliveryProducts {
+		totalWeightSold += delivery.TotalWeight
+	}
+
+	ctx := CalculationContext{
+		TotalPopulation:     totalPopulation,
+		TotalWeightProduced: input.TotalWeightProduced,
+		TotalDepletion:      input.TotalDepletion,
+		TotalWeightSold:     totalWeightSold,
+		ActualPopulation:    totalPopulation - input.TotalDepletion,
+	}
+
+	hppSection := ToHppPurchasesSection(input.PurchaseItems, input.Budgets, input.Realizations, ctx)
+	penjualanItems := ToPenjualanItems(input.ProjectFlockCategory, input.DeliveryProducts, ctx)
+	pembelianItems := ToPembelianItems(input.PurchaseItems, input.Realizations, ctx)
+	overheadItems := ToOverheadItems(input.Realizations, ctx)
+	ekspedisiItems := ToEkspedisiItems(input.Realizations, ctx)
+	plSection := ToProfitLossSection(penjualanItems, pembelianItems, overheadItems, ekspedisiItems)
+
+	return ToReportResponse(hppSection, plSection)
+}
+
+// === HELPER FUNCTIONS ===
+
+func calculatePerUnitMetrics(amount, totalPopulation, totalWeightSold float64) (rpPerBird, rpPerKg float64) {
+	if totalPopulation > 0 {
+		rpPerBird = amount / totalPopulation
+	}
+	if totalWeightSold > 0 {
+		rpPerKg = amount / totalWeightSold
+	}
+	return rpPerBird, rpPerKg
+}
+
+func hasProductFlag(flags []entities.Flag, flagType utils.FlagType) bool {
+	for _, flag := range flags {
+		if strings.ToUpper(flag.Name) == string(flagType) {
+			return true
+		}
+	}
+	return false
+}
+
+func filterByPurchaseFlag(flagType utils.FlagType) func(*entities.PurchaseItem) bool {
+	return func(item *entities.PurchaseItem) bool {
+		if item.Product == nil || len(item.Product.Flags) == 0 {
+			return false
+		}
+		return hasProductFlag(item.Product.Flags, flagType)
+	}
+}
+
+func filterRealizationByNonstockFlag(flagType utils.FlagType) func(*entities.ExpenseRealization) bool {
+	return func(realization *entities.ExpenseRealization) bool {
+		if realization.ExpenseNonstock == nil || realization.ExpenseNonstock.Nonstock == nil {
+			return false
+		}
+		return hasProductFlag(realization.ExpenseNonstock.Nonstock.Flags, flagType)
+	}
+}
+
+func filterRealizationExceptFlag(flagType utils.FlagType) func(*entities.ExpenseRealization) bool {
+	hasFlag := filterRealizationByNonstockFlag(flagType)
+	return func(realization *entities.ExpenseRealization) bool {
+		return !hasFlag(realization)
+	}
+}
+
+func sumByFilter[T any](items []T, extractor func(*T) float64, filter func(*T) bool) float64 {
+	amount := 0.0
+	for i := range items {
+		if filter(&items[i]) {
+			amount += extractor(&items[i])
+		}
+	}
+	return amount
+}
+
+func sumPurchasesByFilter(purchases []entities.PurchaseItem, filter func(*entities.PurchaseItem) bool) float64 {
+	return sumByFilter(purchases, func(p *entities.PurchaseItem) float64 { return p.TotalPrice }, filter)
+}
+
+func sumPurchasesByFlag(purchases []entities.PurchaseItem, flagType utils.FlagType) float64 {
+	return sumPurchasesByFilter(purchases, filterByPurchaseFlag(flagType))
+}
+
+func sumPurchaseTotal(purchases []entities.PurchaseItem) float64 {
+	return sumByFilter(purchases, func(p *entities.PurchaseItem) float64 { return p.TotalPrice }, func(*entities.PurchaseItem) bool { return true })
+}
+
+func sumBudgetsByFilter(budgets []entities.ProjectBudget, filter func(*entities.ProjectBudget) bool) float64 {
+	return sumByFilter(budgets, func(b *entities.ProjectBudget) float64 { return b.Price * b.Qty }, filter)
+}
+
+func sumRealizationsByFilter(realizations []entities.ExpenseRealization, filter func(*entities.ExpenseRealization) bool) float64 {
+	return sumByFilter(realizations, func(r *entities.ExpenseRealization) float64 { return r.Price * r.Qty }, filter)
+}
+
+func getOperationalExpenses(realizations []entities.ExpenseRealization) float64 {
+	return sumRealizationsByFilter(realizations, filterRealizationExceptFlag(utils.FlagEkspedisi))
+}
+
+func isChickenProductFlag(flagType utils.FlagType) bool {
+	switch flagType {
+	case utils.FlagDOC, utils.FlagPullet, utils.FlagLayer,
+		utils.FlagAyamAfkir, utils.FlagAyamCulling, utils.FlagAyamMati:
+		return true
+	}
+	return false
+}
+
+func isEggProductFlag(flagType utils.FlagType) bool {
+	switch flagType {
+	case utils.FlagTelur, utils.FlagTelurUtuh, utils.FlagTelurPecah,
+		utils.FlagTelurPutih, utils.FlagTelurRetak:
+		return true
+	}
+	return false
+}
+
+func getSalesTypeFromProductFlags(product *entities.Product) string {
+	if product == nil || len(product.Flags) == 0 {
+		return PLSalesTypeChicken
+	}
+
+	for _, flag := range product.Flags {
+		flagType := utils.FlagType(strings.ToUpper(flag.Name))
+
+		if isEggProductFlag(flagType) {
+			return PLSalesTypeEgg
+		}
+		if isChickenProductFlag(flagType) {
+			return PLSalesTypeChicken
+		}
+	}
+
+	return PLSalesTypeChicken
+}
+
+func categorizeDeliveriesBySalesType(deliveries []entities.MarketingDeliveryProduct) map[string][]entities.MarketingDeliveryProduct {
+	categorized := make(map[string][]entities.MarketingDeliveryProduct)
+
+	for _, delivery := range deliveries {
+		product := delivery.MarketingProduct.ProductWarehouse.Product
+		salesType := getSalesTypeFromProductFlags(&product)
+
+		categorized[salesType] = append(categorized[salesType], delivery)
+	}
+
+	return categorized
+}
+
+func sumDeliveriesByCategory(deliveries []entities.MarketingDeliveryProduct) float64 {
+	amount := 0.0
+	for _, delivery := range deliveries {
+		amount += delivery.TotalPrice
+	}
+	return amount
+}

internal/modules/closings/dto/closingMarketing.dto.go

@@ -35,8 +35,7 @@ type PenjualanRealisasiResponseDTO struct {
 
 func ToSalesDTO(e entity.MarketingDeliveryProduct) SalesDTO {
 
-	// todo: usia ayam masih dummy
-	age := 0
+	age := calculateAgeFromChickin(e.MarketingProduct.ProductWarehouse.ProjectFlockKandang, e.DeliveryDate)
 
 	var product *productDTO.ProductRelationDTO
 	if e.MarketingProduct.ProductWarehouse.Product.Id != 0 {
@@ -101,3 +100,20 @@ func extractPeriodFromRealisasi(realisasi []entity.MarketingDeliveryProduct) int
 	}
 	return 0
 }
+
+func calculateAgeFromChickin(projectFlockKandang *entity.ProjectFlockKandang, deliveryDate *time.Time) int {
+	if projectFlockKandang == nil || deliveryDate == nil || len(projectFlockKandang.Chickins) == 0 {
+		return 0
+	}
+
+	earliestChickinDate := projectFlockKandang.Chickins[0].ChickInDate
+	for _, chickin := range projectFlockKandang.Chickins {
+		if chickin.ChickInDate.Before(earliestChickinDate) {
+			earliestChickinDate = chickin.ChickInDate
+		}
+	}
+
+	ageInDays := int(deliveryDate.Sub(earliestChickinDate).Hours() / 24)
+	ageInWeeks := ageInDays / 7
+	return ageInWeeks
+}

internal/modules/closings/dto/closingOverhead.dto.go

@@ -69,7 +69,7 @@ func ToOverheadDTO(budget *entity.ProjectBudget, realization *entity.ExpenseReal
 	return dto
 }
 
-func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.ExpenseRealization, totalChickinQty float64) OverheadListDTO {
+func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.ExpenseRealization, totalChickinQty, totalActualPopulation float64) OverheadListDTO {
 	overheadsByNonstockID := make(map[uint]*OverheadDTO)
 	latestDateByNonstockID := make(map[uint]string)
 
@@ -119,7 +119,8 @@ func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.Ex
 
 	for nonstockID, overhead := range overheadsByNonstockID {
 		overhead.ActualDate = latestDateByNonstockID[nonstockID]
-		overhead.CostPerBird = calculateCostPerBird(overhead.ActualTotalAmount, totalChickinQty)
+
+		overhead.CostPerBird = calculateCostPerBird(overhead.ActualTotalAmount, totalActualPopulation)
 
 		if overhead.ActualQuantity > 0 {
 			overhead.ActualUnitPrice = overhead.ActualTotalAmount / overhead.ActualQuantity
@@ -139,7 +140,7 @@ func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.Ex
 			BudgetTotalAmount: totalBudgetAmount,
 			ActualQuantity:    totalActualQuantity,
 			ActualTotalAmount: totalActualAmount,
-			CostPerBird:       calculateCostPerBird(totalActualAmount, totalChickinQty),
+			CostPerBird:       calculateCostPerBird(totalActualAmount, totalActualPopulation),
 		},
 		Overheads: overheadItems,
 	}
@@ -158,9 +159,9 @@ func calculateTotal(qty, price float64) float64 {
 	return qty * price
 }
 
-func calculateCostPerBird(totalPrice, totalChickinQty float64) float64 {
-	if totalChickinQty > 0 {
-		return totalPrice / totalChickinQty
+func calculateCostPerBird(totalPrice, totalActualPopulation float64) float64 {
+	if totalActualPopulation > 0 {
+		return totalPrice / totalActualPopulation
 	}
 	return 0
 }

internal/modules/closings/module.go

@@ -13,6 +13,8 @@ import (
 	rMarketings "gitlab.com/mbugroup/lti-api.git/internal/modules/marketing/repositories"
 	rChickin "gitlab.com/mbugroup/lti-api.git/internal/modules/production/chickins/repositories"
 	rProjectFlock "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project_flocks/repositories"
+	rRecording "gitlab.com/mbugroup/lti-api.git/internal/modules/production/recordings/repositories"
+	rPurchase "gitlab.com/mbugroup/lti-api.git/internal/modules/purchases/repositories"
 
 	rUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/repositories"
 	sUser "gitlab.com/mbugroup/lti-api.git/internal/modules/users/services"
@@ -30,10 +32,12 @@ func (ClosingModule) RegisterRoutes(router fiber.Router, db *gorm.DB, validate *
 	marketingDeliveryProductRepo := rMarketings.NewMarketingDeliveryProductRepository(db)
 	expenseRealizationRepo := rExpenseRealization.NewExpenseRealizationRepository(db)
 	chickinRepo := rChickin.NewChickinRepository(db)
+	recordingRepo := rRecording.NewRecordingRepository(db)
+	purchaseRepo := rPurchase.NewPurchaseRepository(db)
 	approvalRepo := commonRepo.NewApprovalRepository(db)
 	approvalService := commonSvc.NewApprovalService(approvalRepo)
 
-	closingService := sClosing.NewClosingService(closingRepo, projectFlockRepo, marketingRepo, marketingDeliveryProductRepo, approvalService, expenseRealizationRepo, projectBudgetRepo, chickinRepo, validate)
+	closingService := sClosing.NewClosingService(closingRepo, projectFlockRepo, marketingRepo, marketingDeliveryProductRepo, approvalService, expenseRealizationRepo, projectBudgetRepo, chickinRepo, purchaseRepo, recordingRepo, validate)
 	sapronakService := sClosing.NewSapronakService(closingRepo, projectFlockKandangRepo, validate)
 	userService := sUser.NewUserService(userRepo, validate)
 

internal/modules/closings/route.go

@@ -31,4 +31,5 @@ func ClosingRoutes(v1 fiber.Router, u user.UserService, s closing.ClosingService
 	route.Get("/:project_flock_id/expedition-hpp", m.RequirePermissions(m.P_ClosingExpeditionHpp), ctrl.GetExpeditionHPP)
 	route.Get("/:project_flock_id/:project_flock_kandang_id/expedition-hpp", m.RequirePermissions(m.P_ClosingExpeditionHppByKandang), ctrl.GetExpeditionHPPByKandang)
 	route.Get("/:projectFlockId/production-data", m.RequirePermissions(m.P_ClosingDataProduction), ctrl.GetClosingDataProduksi)
+	route.Get("/:projectFlockId/keuangan", m.RequirePermissions(m.P_ClosingKeuangan), ctrl.GetClosingKeuangan)
 }

internal/modules/closings/services/closing.service.go

@@ -17,6 +17,8 @@ import (
 	marketingRepository "gitlab.com/mbugroup/lti-api.git/internal/modules/marketing/repositories"
 	chickinRepository "gitlab.com/mbugroup/lti-api.git/internal/modules/production/chickins/repositories"
 	projectflockRepository "gitlab.com/mbugroup/lti-api.git/internal/modules/production/project_flocks/repositories"
+	recordingRepository "gitlab.com/mbugroup/lti-api.git/internal/modules/production/recordings/repositories"
+	purchaseRepository "gitlab.com/mbugroup/lti-api.git/internal/modules/purchases/repositories"
 	"gitlab.com/mbugroup/lti-api.git/internal/utils"
 	approvalutils "gitlab.com/mbugroup/lti-api.git/internal/utils/approvals"
 
@@ -34,6 +36,7 @@ type ClosingService interface {
 	GetOverhead(ctx *fiber.Ctx, projectFlockID uint) (*dto.OverheadListDTO, error)
 	GetClosingDataProduksi(ctx *fiber.Ctx, projectFlockID uint) (*dto.ClosingProductionReportDTO, error)
 	GetClosingSapronak(ctx *fiber.Ctx, projectFlockID uint, params *validation.ClosingSapronakQuery) ([]dto.ClosingSapronakItemDTO, int64, error)
+	GetClosingKeuangan(ctx *fiber.Ctx, projectFlockID uint) (*dto.ReportResponse, error)
 	GetExpeditionHPP(ctx *fiber.Ctx, projectFlockID uint, projectFlockKandangID *uint) (*dto.ExpeditionHPPDTO, error)
 }
 
@@ -48,9 +51,11 @@ type closingService struct {
 	ExpenseRealizationRepo       expenseRealizationRepository.ExpenseRealizationRepository
 	ProjectBudgetRepo            projectflockRepository.ProjectBudgetRepository
 	ChickinRepo                  chickinRepository.ProjectChickinRepository
+	PurchaseRepo                 purchaseRepository.PurchaseRepository
+	RecordingRepo                recordingRepository.RecordingRepository
 }
 
-func NewClosingService(repo repository.ClosingRepository, projectFlockRepo projectflockRepository.ProjectflockRepository, marketingRepo marketingRepository.MarketingRepository, marketingDeliveryProductRepo marketingDeliveryProductRepository.MarketingDeliveryProductRepository, approvalSvc commonSvc.ApprovalService, expenseRealizationRepo expenseRealizationRepository.ExpenseRealizationRepository, projectBudgetRepo projectflockRepository.ProjectBudgetRepository, chickinRepo chickinRepository.ProjectChickinRepository, validate *validator.Validate) ClosingService {
+func NewClosingService(repo repository.ClosingRepository, projectFlockRepo projectflockRepository.ProjectflockRepository, marketingRepo marketingRepository.MarketingRepository, marketingDeliveryProductRepo marketingDeliveryProductRepository.MarketingDeliveryProductRepository, approvalSvc commonSvc.ApprovalService, expenseRealizationRepo expenseRealizationRepository.ExpenseRealizationRepository, projectBudgetRepo projectflockRepository.ProjectBudgetRepository, chickinRepo chickinRepository.ProjectChickinRepository, purchaseRepo purchaseRepository.PurchaseRepository, recordingRepo recordingRepository.RecordingRepository, validate *validator.Validate) ClosingService {
 	return &closingService{
 		Log:                          utils.Log,
 		Validate:                     validate,
@@ -62,6 +67,8 @@ func NewClosingService(repo repository.ClosingRepository, projectFlockRepo proje
 		ExpenseRealizationRepo:       expenseRealizationRepo,
 		ProjectBudgetRepo:            projectBudgetRepo,
 		ChickinRepo:                  chickinRepo,
+		PurchaseRepo:                 purchaseRepo,
+		RecordingRepo:                recordingRepo,
 	}
 }
 
@@ -134,6 +141,7 @@ func (s closingService) GetPenjualan(c *fiber.Ctx, projectFlockID uint) ([]entit
 			Preload("MarketingProduct.ProductWarehouse.Warehouse").
 			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang").
 			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang.Kandang").
+			Preload("MarketingProduct.ProductWarehouse.ProjectFlockKandang.Chickins").
 			Preload("MarketingProduct.Marketing").
 			Preload("MarketingProduct.Marketing.Customer").
 			Order("marketing_delivery_products.delivery_date DESC")
@@ -379,11 +387,95 @@ func (s closingService) GetOverhead(c *fiber.Ctx, projectFlockID uint) (*dto.Ove
 		totalChickinQty += chickin.UsageQty
 	}
 
-	result := dto.ToOverheadListDTOs(budgets, realizations, totalChickinQty)
+	totalDepletion, err := s.RecordingRepo.GetTotalDepletionByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil {
+		s.Log.Warnf("GetTotalDepletionByProjectFlockID error: %v", err)
+	}
+
+	totalActualPopulation := totalChickinQty - totalDepletion
+
+	result := dto.ToOverheadListDTOs(budgets, realizations, totalChickinQty, totalActualPopulation)
 
 	return &result, nil
 }
 
+func (s closingService) GetClosingKeuangan(c *fiber.Ctx, projectFlockID uint) (*dto.ReportResponse, error) {
+	if projectFlockID == 0 {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid project flock id")
+	}
+
+	if err := commonSvc.EnsureRelations(c.Context(),
+		commonSvc.RelationCheck{Name: "Project Flock", ID: &projectFlockID, Exists: func(ctx context.Context, id uint) (bool, error) {
+			_, err := s.ProjectFlockRepo.GetByID(ctx, id, nil)
+			if err != nil && errors.Is(err, gorm.ErrRecordNotFound) {
+				return false, nil
+			}
+			return err == nil, err
+		}},
+	); err != nil {
+		return nil, err
+	}
+
+	projectFlock, err := s.ProjectFlockRepo.GetByID(c.Context(), projectFlockID, nil)
+	if err != nil {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch project flock")
+	}
+
+	budgets, err := s.ProjectBudgetRepo.GetByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch budgets")
+	}
+
+	purchaseItems, err := s.PurchaseRepo.GetItemsByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch purchase items")
+	}
+
+	realizations, err := s.ExpenseRealizationRepo.GetByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch realizations")
+	}
+
+	deliveryProducts, err := s.MarketingDeliveryProductRepo.GetDeliveryProductsByProjectFlockID(c.Context(), projectFlockID, func(db *gorm.DB) *gorm.DB {
+		return db.Preload("MarketingProduct").
+			Preload("MarketingProduct.ProductWarehouse").
+			Preload("MarketingProduct.ProductWarehouse.Product")
+	})
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch delivery products")
+	}
+
+	chickins, err := s.ChickinRepo.GetByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil {
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to fetch chickins")
+	}
+
+	totalWeightProduced, _, err := s.RecordingRepo.GetProductionWeightAndQtyByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil {
+		s.Log.Warnf("GetProductionWeightAndQtyByProjectFlockID error: %v", err)
+	}
+
+	totalDepletion, err := s.RecordingRepo.GetTotalDepletionByProjectFlockID(c.Context(), projectFlockID)
+	if err != nil {
+		s.Log.Warnf("GetTotalDepletionByProjectFlockID error: %v", err)
+	}
+
+	input := dto.ClosingKeuanganInput{
+		ProjectFlockCategory: projectFlock.Category,
+		PurchaseItems:        purchaseItems,
+		Budgets:              budgets,
+		Realizations:         realizations,
+		DeliveryProducts:     deliveryProducts,
+		Chickins:             chickins,
+		TotalWeightProduced:  totalWeightProduced,
+		TotalDepletion:       totalDepletion,
+	}
+
+	report := dto.ToClosingKeuanganReport(input)
+
+	return &report, nil
+}
+
 // GetExpeditionHPP menghitung HPP ekspedisi per vendor untuk sebuah project flock.
 // Jika projectFlockKandangID tidak nil, maka hanya data untuk kandang tersebut yang dihitung.
 func (s closingService) GetExpeditionHPP(c *fiber.Ctx, projectFlockID uint, projectFlockKandangID *uint) (*dto.ExpeditionHPPDTO, error) {
@@ -686,4 +778,5 @@ func closestFcrValues(standards []entity.FcrStandard, averageWeight float64) (fl
 	}
 
 	return closest.Mortality, closest.FcrNumber
+
 }