feat[BE]: add GetOverheadByProjectFlockKandang endpoint and update related services

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

@@ -79,10 +79,11 @@ type HppGroup struct {
 }
 
 type SummaryHpp struct {
-	Label          string `json:"label"`
-	Comparison     `json:"-"`
-	EggBudgeting   *FinancialMetrics `json:"egg_budgeting,omitempty"`
-	EggRealization *FinancialMetrics `json:"egg_realization,omitempty"`
+	Label            string            `json:"label"`
+	Budgeting        FinancialMetrics  `json:"budgeting"`
+	Realization      FinancialMetrics  `json:"realization"`
+	EggBudgeting     *FinancialMetrics `json:"egg_budgeting,omitempty"`
+	EggRealization   *FinancialMetrics `json:"egg_realization,omitempty"`
 }
 
 type HppPurchasesSection struct {
@@ -246,11 +247,9 @@ func ToSummaryHpp(label string, purchaseItems []entities.PurchaseItem, budgets [
 	realizationRpPerBird, realizationRpPerKg := calculatePerUnitMetrics(totalRealization, ctx.TotalPopulation, ctx.TotalWeightProduced)
 
 	summary := SummaryHpp{
-		Label: label,
-		Comparison: ToComparison(
-			ToFinancialMetrics(budgetRpPerBird, budgetRpPerKg, totalBudget),
-			ToFinancialMetrics(realizationRpPerBird, realizationRpPerKg, totalRealization),
-		),
+		Label:       label,
+		Budgeting:   ToFinancialMetrics(budgetRpPerBird, budgetRpPerKg, totalBudget),
+		Realization: ToFinancialMetrics(realizationRpPerBird, realizationRpPerKg, totalRealization),
 	}
 
 	if projectFlockCategory == string(utils.ProjectFlockCategoryLaying) && ctx.TotalEggWeightKg > 0 {

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

@@ -1,6 +1,8 @@
 package dto
 
 import (
+	"encoding/json"
+
 	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
 )
 
@@ -69,7 +71,7 @@ func ToOverheadDTO(budget *entity.ProjectBudget, realization *entity.ExpenseReal
 	return dto
 }
 
-func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.ExpenseRealization, totalChickinQty, totalActualPopulation float64) OverheadListDTO {
+func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.ExpenseRealization, totalChickinQty, totalActualPopulation float64, isPerKandang bool, totalKandangCount int) OverheadListDTO {
 	overheadsByNonstockID := make(map[uint]*OverheadDTO)
 	latestDateByNonstockID := make(map[uint]string)
 
@@ -82,9 +84,19 @@ func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.Ex
 		itemName, itemUOM := getItemInfo(budgets[i].Nonstock)
 		overheadsByNonstockID[nonstockID].ItemName = itemName
 		overheadsByNonstockID[nonstockID].UOMName = itemUOM
-		overheadsByNonstockID[nonstockID].BudgetQuantity = budgets[i].Qty
-		overheadsByNonstockID[nonstockID].BudgetUnitPrice = budgets[i].Price
-		overheadsByNonstockID[nonstockID].BudgetTotalAmount = calculateTotal(budgets[i].Qty, budgets[i].Price)
+
+		budgetQty := budgets[i].Qty
+		budgetPrice := budgets[i].Price
+		budgetTotal := calculateTotal(budgets[i].Qty, budgets[i].Price)
+
+		if isPerKandang && totalKandangCount > 0 {
+			budgetQty = budgetQty / float64(totalKandangCount)
+			budgetTotal = budgetTotal / float64(totalKandangCount)
+		}
+
+		overheadsByNonstockID[nonstockID].BudgetQuantity = budgetQty
+		overheadsByNonstockID[nonstockID].BudgetUnitPrice = budgetPrice
+		overheadsByNonstockID[nonstockID].BudgetTotalAmount = budgetTotal
 	}
 
 	for i := range realizations {
@@ -97,8 +109,22 @@ func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.Ex
 			overheadsByNonstockID[nonstockID] = &OverheadDTO{}
 		}
 
-		overheadsByNonstockID[nonstockID].ActualQuantity += realizations[i].Qty
-		overheadsByNonstockID[nonstockID].ActualTotalAmount += calculateTotal(realizations[i].Qty, realizations[i].Price)
+		// Check if this is farm-level expense (multiple project flocks)
+		qty := realizations[i].Qty
+		totalAmount := calculateTotal(realizations[i].Qty, realizations[i].Price)
+
+		if realizations[i].ExpenseNonstock.Expense != nil &&
+			realizations[i].ExpenseNonstock.Expense.ProjectFlockId != nil {
+			projectFlockCount := countProjectFlocksInJSON(*realizations[i].ExpenseNonstock.Expense.ProjectFlockId)
+			if projectFlockCount > 1 {
+				// Bagi biaya sesuai jumlah project flock
+				qty = qty / float64(projectFlockCount)
+				totalAmount = totalAmount / float64(projectFlockCount)
+			}
+		}
+
+		overheadsByNonstockID[nonstockID].ActualQuantity += qty
+		overheadsByNonstockID[nonstockID].ActualTotalAmount += totalAmount
 
 		if overheadsByNonstockID[nonstockID].ItemName == "" {
 			itemName, itemUOM := getItemInfo(realizations[i].ExpenseNonstock.Nonstock)
@@ -148,6 +174,23 @@ func ToOverheadListDTOs(budgets []entity.ProjectBudget, realizations []entity.Ex
 
 // === Helper Functions ===
 
+func countProjectFlocksInJSON(projectFlockJSON string) int {
+	if projectFlockJSON == "" {
+		return 0
+	}
+
+	var projectFlocks []int
+	if err := json.Unmarshal([]byte(projectFlockJSON), &projectFlocks); err != nil {
+		return 1 // default to 1 if parsing fails
+	}
+
+	if len(projectFlocks) == 0 {
+		return 1
+	}
+
+	return len(projectFlocks)
+}
+
 func getItemInfo(nonstock *entity.Nonstock) (string, string) {
 	if nonstock != nil && nonstock.Id != 0 {
 		return nonstock.Name, nonstock.Uom.Name