feat[BE]: enhance expense management with location and project flock integration, including updates to migrations, entities, services, and validations

internal/database/migrations/20251227100000_update_expense_table.down.sql

@@ -0,0 +1,24 @@
+-- Rollback: Update expense and expense_nonstocks tables
+
+-- Drop indexes
+DROP INDEX IF EXISTS idx_expenses_project_flock_id;
+DROP INDEX IF EXISTS idx_expenses_location_id;
+
+-- Drop Foreign Key constraint
+DO $$
+BEGIN
+    IF EXISTS (
+        SELECT 1 FROM pg_constraint
+        WHERE conname = 'fk_expenses_location_id'
+    ) THEN
+        ALTER TABLE expenses
+            DROP CONSTRAINT fk_expenses_location_id;
+    END IF;
+END $$;
+
+-- Drop columns from expenses table
+ALTER TABLE expenses
+DROP COLUMN IF EXISTS project_flock_id;
+
+ALTER TABLE expenses
+DROP COLUMN IF EXISTS location_id;

internal/database/migrations/20251227100000_update_expense_table.up.sql

@@ -0,0 +1,29 @@
+-- Migration: Update expense and expense_nonstocks tables
+
+-- Add location_id column to expenses table
+ALTER TABLE expenses
+ADD COLUMN IF NOT EXISTS location_id BIGINT NOT NULL DEFAULT 1;
+
+-- Add project_flock_id column to expenses table (JSON type)
+ALTER TABLE expenses
+ADD COLUMN IF NOT EXISTS project_flock_id JSON NULL;
+
+-- Add Foreign Key constraint to locations table
+DO $$
+BEGIN
+    IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'locations') THEN
+        ALTER TABLE expenses
+            ADD CONSTRAINT fk_expenses_location_id
+            FOREIGN KEY (location_id) REFERENCES locations(id) ON DELETE RESTRICT ON UPDATE CASCADE;
+    END IF;
+END $$;
+
+-- Create index for location_id
+CREATE INDEX IF NOT EXISTS idx_expenses_location_id ON expenses (location_id);
+
+-- Create index for project_flock_id
+CREATE INDEX IF NOT EXISTS idx_expenses_project_flock_id ON expenses ((project_flock_id::text));
+
+-- Ensure kandang_id is nullable in expense_nonstocks table
+ALTER TABLE expense_nonstocks
+ALTER COLUMN kandang_id DROP NOT NULL;

internal/entities/expense.go

@@ -12,6 +12,8 @@ type Expense struct {
 	SupplierId              uint64         `gorm:""`
 	Category                string         `gorm:"type:varchar(50);not null"`
 	PoNumber                string         `gorm:"type:varchar(50)"`
+	LocationId              uint64         `gorm:"not null"`
+	ProjectFlockId          *string        `gorm:"type:json"`
 	RealizationDate         time.Time      `gorm:"type:date;column:realization_date"`
 	TransactionDate         time.Time      `gorm:"type:date;not null"`
 	Notes                   string         `gorm:"type:text;column:notes"`
@@ -21,6 +23,7 @@ type Expense struct {
 	DeletedAt               gorm.DeletedAt `gorm:"index" json:"-"`
 
 	Supplier             *Supplier         `gorm:"foreignKey:SupplierId;references:Id"`
+	Location             *Location         `gorm:"foreignKey:LocationId;references:Id"`
 	CreatedUser          *User             `gorm:"foreignKey:CreatedBy;references:Id"`
 	Nonstocks            []ExpenseNonstock `gorm:"foreignKey:ExpenseId;references:Id"`
 	Documents            []Document        `gorm:"foreignKey:DocumentableId;references:Id"`

internal/modules/expenses/controllers/expense.controller.go

@@ -90,6 +90,12 @@ func (u *ExpenseController) CreateOne(c *fiber.Ctx) error {
 	}
 	req.SupplierID = supplierID
 
+	locationID, err := strconv.ParseUint(c.FormValue("location_id"), 10, 64)
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid location_id format")
+	}
+	req.LocationID = locationID
+
 	form, err := c.MultipartForm()
 	if err != nil {
 		return fiber.NewError(fiber.StatusBadRequest, "Invalid multipart form")
@@ -106,17 +112,7 @@ func (u *ExpenseController) CreateOne(c *fiber.Ctx) error {
 				return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Invalid expense_nonstocks JSON: %v", err))
 			}
 
-			if singleExpenseNonstock.KandangID == 0 {
-				return fiber.NewError(fiber.StatusBadRequest, "Field KandangID is required")
-			}
-
 			req.ExpenseNonstocks = []validation.ExpenseNonstock{singleExpenseNonstock}
-		} else {
-			for i, expenseNonstock := range req.ExpenseNonstocks {
-				if expenseNonstock.KandangID == 0 {
-					return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Field KandangID is required for expense_nonstocks[%d]", i))
-				}
-			}
 		}
 	} else {
 		return fiber.NewError(fiber.StatusBadRequest, "Field expense_nonstocks is required")
@@ -171,6 +167,15 @@ func (u *ExpenseController) UpdateOne(c *fiber.Ctx) error {
 		req.SupplierID = &supplierID
 	}
 
+	locationIDVal := c.FormValue("location_id")
+	if locationIDVal != "" {
+		locationID, err := strconv.ParseUint(locationIDVal, 10, 64)
+		if err != nil {
+			return fiber.NewError(fiber.StatusBadRequest, "Invalid location_id format")
+		}
+		req.LocationID = &locationID
+	}
+
 	expenseNonstocksJSON := c.FormValue("expense_nonstocks")
 	if expenseNonstocksJSON != "" {
 		var expenseNonstocks []validation.ExpenseNonstock
@@ -178,12 +183,6 @@ func (u *ExpenseController) UpdateOne(c *fiber.Ctx) error {
 			return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Invalid expense_nonstocks JSON: %v", err))
 		}
 
-		for i, expenseNonstock := range expenseNonstocks {
-			if expenseNonstock.KandangID == 0 {
-				return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Field KandangID is required for expense_nonstocks[%d]", i))
-			}
-		}
-
 		req.ExpenseNonstocks = &expenseNonstocks
 	}
 

internal/modules/expenses/dto/expense.dto.go

@@ -76,7 +76,6 @@ type ExpenseRealizationDTO struct {
 
 type KandangGroupDTO struct {
 	Id         uint64                  `json:"id"`
-	KandangId  uint64                  `json:"kandang_id"`
 	Name       string                  `json:"name,omitempty"`
 	Pengajuans []ExpenseNonstockDTO    `json:"pengajuans,omitempty"`
 	Realisasi  []ExpenseRealizationDTO `json:"realisasi,omitempty"`
@@ -178,7 +177,6 @@ func ToExpenseDetailDTO(e *entity.Expense) ExpenseDetailDTO {
 	var pengajuans []ExpenseNonstockDTO
 	var realisasi []ExpenseRealizationDTO
 
-	// Map documents from Document service
 	for _, doc := range e.Documents {
 		documents = append(documents, DocumentDTO{
 			ID:   uint64(doc.Id),
@@ -186,7 +184,6 @@ func ToExpenseDetailDTO(e *entity.Expense) ExpenseDetailDTO {
 		})
 	}
 
-	// Map realization documents from Document service
 	for _, doc := range e.RealizationDocuments {
 		realizationDocs = append(realizationDocs, DocumentDTO{
 			ID:   uint64(doc.Id),
@@ -271,6 +268,8 @@ func ToExpenseNonstockDTO(ns entity.ExpenseNonstock) ExpenseNonstockDTO {
 
 func ToKandangGroupDTO(pengajuans []ExpenseNonstockDTO, realisasi []ExpenseRealizationDTO, nonstocks []entity.ExpenseNonstock) []KandangGroupDTO {
 	kandangMap := make(map[uint64]*KandangGroupDTO)
+	var directPengajuans []ExpenseNonstockDTO
+	var directRealisasi []ExpenseRealizationDTO
 
 	for _, p := range pengajuans {
 		var kandangId uint64
@@ -287,16 +286,19 @@ func ToKandangGroupDTO(pengajuans []ExpenseNonstockDTO, realisasi []ExpenseReali
 		}
 
 		if kandangId > 0 {
+
 			if kandangMap[kandangId] == nil {
 				kandangMap[kandangId] = &KandangGroupDTO{
 					Id:         kandangId,
-					KandangId:  kandangId,
 					Name:       kandangName,
 					Pengajuans: []ExpenseNonstockDTO{},
 					Realisasi:  []ExpenseRealizationDTO{},
 				}
 			}
 			kandangMap[kandangId].Pengajuans = append(kandangMap[kandangId].Pengajuans, p)
+		} else {
+
+			directPengajuans = append(directPengajuans, p)
 		}
 	}
 
@@ -316,13 +318,24 @@ func ToKandangGroupDTO(pengajuans []ExpenseNonstockDTO, realisasi []ExpenseReali
 			if kandangMap[kandangId] == nil {
 				kandangMap[kandangId] = &KandangGroupDTO{
 					Id:         kandangId,
-					KandangId:  kandangId,
 					Name:       kandangName,
 					Pengajuans: []ExpenseNonstockDTO{},
 					Realisasi:  []ExpenseRealizationDTO{},
 				}
 			}
 			kandangMap[kandangId].Realisasi = append(kandangMap[kandangId].Realisasi, r)
+		} else {
+		}
+	}
+
+	// If there are direct expenses (without kandang), add them as a special entry with id=0
+	if len(directPengajuans) > 0 || len(directRealisasi) > 0 {
+		kandangMap[0] = &KandangGroupDTO{
+			Id: 0,
+
+			Name:       "",
+			Pengajuans: directPengajuans,
+			Realisasi:  directRealisasi,
 		}
 	}
 

internal/modules/expenses/services/expense.service.go

@@ -2,6 +2,7 @@ package service
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"fmt"
 
@@ -144,11 +145,8 @@ func (s *expenseService) CreateOne(c *fiber.Ctx, req *validation.Create) (*expen
 
 	supplierID := uint(req.SupplierID)
 
-	supplierExistsFunc := func(ctx context.Context, id uint) (bool, error) {
-		return commonRepo.Exists[entity.Supplier](ctx, s.SupplierRepo.DB(), id)
-	}
 	if err := commonSvc.EnsureRelations(c.Context(),
-		commonSvc.RelationCheck{Name: "Supplier", ID: &supplierID, Exists: supplierExistsFunc},
+		commonSvc.RelationCheck{Name: "Supplier", ID: &supplierID, Exists: s.SupplierRepo.IdExists},
 	); err != nil {
 		return nil, err
 	}
@@ -199,11 +197,47 @@ func (s *expenseService) CreateOne(c *fiber.Ctx, req *validation.Create) (*expen
 			return fiber.NewError(fiber.StatusUnauthorized, "Failed to get actor ID from context")
 		}
 		createdBy := uint64(actorID)
+
+		hasKandang := false
+		for _, ens := range req.ExpenseNonstocks {
+			if ens.KandangID != nil {
+				hasKandang = true
+				break
+			}
+		}
+
+		var projectFlockIdJSON *string
+		if !hasKandang && req.Category == string(utils.ExpenseCategoryBOP) {
+			projectFlockRepoTx := projectFlockKandangRepo.NewProjectflockRepository(dbTransaction)
+			activeProjectFlocks, err := projectFlockRepoTx.GetActiveByLocationID(c.Context(), req.LocationID)
+			if err != nil {
+				return fiber.NewError(fiber.StatusInternalServerError, "Failed to get active project flocks for location")
+			}
+
+			if len(activeProjectFlocks) == 0 {
+				return fiber.NewError(fiber.StatusBadRequest, "No active project flocks found for this location")
+			}
+
+			projectFlockIDs := make([]uint64, len(activeProjectFlocks))
+			for i, pf := range activeProjectFlocks {
+				projectFlockIDs[i] = uint64(pf.Id)
+			}
+
+			projectFlockIdsJSON, err := json.Marshal(projectFlockIDs)
+			if err != nil {
+				return fiber.NewError(fiber.StatusInternalServerError, "Failed to marshal project_flock_ids")
+			}
+			jsonStr := string(projectFlockIdsJSON)
+			projectFlockIdJSON = &jsonStr
+		}
+
 		expense = &entity.Expense{
 			ReferenceNumber: referenceNumber,
 			PoNumber:        req.PoNumber,
 			Category:        req.Category,
 			SupplierId:      req.SupplierID,
+			LocationId:      req.LocationID,
+			ProjectFlockId:  projectFlockIdJSON,
 			TransactionDate: expenseDate,
 			CreatedBy:       createdBy,
 		}
@@ -216,11 +250,17 @@ func (s *expenseService) CreateOne(c *fiber.Ctx, req *validation.Create) (*expen
 
 			for _, expenseNonstock := range req.ExpenseNonstocks {
 
+				isAttachingToKandang := (expenseNonstock.KandangID != nil)
+
 				var projectFlockKandangId *uint64
+				var kandangId *uint64
+
+				if isAttachingToKandang {
+					kandangId = expenseNonstock.KandangID
 
 					if req.Category == string(utils.ExpenseCategoryBOP) {
 
-					projectFlockKandang, err := projectFlockKandangRepoTx.GetActiveByKandangID(c.Context(), uint(expenseNonstock.KandangID))
+						projectFlockKandang, err := projectFlockKandangRepoTx.GetActiveByKandangID(c.Context(), uint(*kandangId))
 						if err != nil {
 							if errors.Is(err, gorm.ErrRecordNotFound) {
 								return fiber.NewError(fiber.StatusNotFound, "No active project flock kandang found for this kandang")
@@ -231,20 +271,15 @@ func (s *expenseService) CreateOne(c *fiber.Ctx, req *validation.Create) (*expen
 						projectFlockKandangId = &id
 					}
 
+				} else {
+					kandangId = nil
+					projectFlockKandangId = nil
+				}
+
 				for _, costItem := range expenseNonstock.CostItems {
 
 					nonstockId := costItem.NonstockID
-					var kandangId *uint64
-					if req.Category == string(utils.ExpenseCategoryNonBOP) {
-						id := uint64(expenseNonstock.KandangID)
-						kandangId = &id
-					} else if req.Category == string(utils.ExpenseCategoryBOP) {
-						if projectFlockKandangId != nil {
-							kandangId = &expenseNonstock.KandangID
-						}
-					}
-
-					expenseNonstock := &entity.ExpenseNonstock{
+					newExpenseNonstock := &entity.ExpenseNonstock{
 						ExpenseId:             &expense.Id,
 						ProjectFlockKandangId: projectFlockKandangId,
 						KandangId:             kandangId,
@@ -254,7 +289,7 @@ func (s *expenseService) CreateOne(c *fiber.Ctx, req *validation.Create) (*expen
 						Notes:                 costItem.Notes,
 					}
 
-					if err := expenseNonstockRepoTx.CreateOne(c.Context(), expenseNonstock, nil); err != nil {
+					if err := expenseNonstockRepoTx.CreateOne(c.Context(), newExpenseNonstock, nil); err != nil {
 						return fiber.NewError(fiber.StatusInternalServerError, "Failed to create expense cost item")
 					}
 				}
@@ -361,6 +396,11 @@ func (s expenseService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 		updateBody["supplier_id"] = *req.SupplierID
 	}
 
+	if req.LocationID != nil {
+		locationID := uint(*req.LocationID)
+		updateBody["location_id"] = locationID
+	}
+
 	if len(updateBody) == 0 && req.ExpenseNonstocks == nil && len(req.Documents) == 0 {
 
 		responseDTO, err := s.GetOne(c, id)
@@ -475,10 +515,16 @@ func (s expenseService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 
 			for _, expenseNonstock := range *req.ExpenseNonstocks {
 				var projectFlockKandangId *uint64
+				var kandangId *uint64
+
+				// Check if attaching to kandang
+				if expenseNonstock.KandangID != nil {
+					kandangId = expenseNonstock.KandangID
 
 					if updatedExpense.Category == string(utils.ExpenseCategoryBOP) {
+						// BOP with kandang: Get active project flock kandang
 						projectFlockKandangRepoTx := projectFlockKandangRepo.NewProjectFlockKandangRepository(tx)
-					projectFlockKandang, err := projectFlockKandangRepoTx.GetActiveByKandangID(c.Context(), uint(expenseNonstock.KandangID))
+						projectFlockKandang, err := projectFlockKandangRepoTx.GetActiveByKandangID(c.Context(), uint(*kandangId))
 						if err != nil {
 							if errors.Is(err, gorm.ErrRecordNotFound) {
 								return fiber.NewError(fiber.StatusNotFound, "No active project flock kandang found for this kandang")
@@ -488,6 +534,8 @@ func (s expenseService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 						id := uint64(projectFlockKandang.Id)
 						projectFlockKandangId = &id
 					}
+					// NON-BOP: projectFlockKandangId stays nil
+				}
 
 				for _, costItem := range expenseNonstock.CostItems {
 
@@ -498,18 +546,8 @@ func (s expenseService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 						return err
 					}
 
-					var kandangId *uint64
-					if updatedExpense.Category == string(utils.ExpenseCategoryNonBOP) {
-						id := uint64(expenseNonstock.KandangID)
-						kandangId = &id
-					} else if updatedExpense.Category == string(utils.ExpenseCategoryBOP) {
-						if projectFlockKandangId != nil {
-							kandangId = &expenseNonstock.KandangID
-						}
-					}
-
 					expenseId := uint64(id)
-					expenseNonstock := &entity.ExpenseNonstock{
+					newExpenseNonstock := &entity.ExpenseNonstock{
 						ExpenseId:             &expenseId,
 						ProjectFlockKandangId: projectFlockKandangId,
 						KandangId:             kandangId,
@@ -519,7 +557,7 @@ func (s expenseService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint)
 						Notes:                 costItem.Notes,
 					}
 
-					if err := expenseNonstockRepoTx.CreateOne(c.Context(), expenseNonstock, nil); err != nil {
+					if err := expenseNonstockRepoTx.CreateOne(c.Context(), newExpenseNonstock, nil); err != nil {
 						return fiber.NewError(fiber.StatusInternalServerError, "Failed to create expense cost item")
 					}
 				}

internal/modules/expenses/validations/expense.validation.go

@@ -9,12 +9,13 @@ type Create struct {
 	TransactionDate  string                  `form:"transaction_date" json:"transaction_date" validate:"required,datetime=2006-01-02"`
 	Category         string                  `form:"category" json:"category" validate:"required,oneof=BOP NON-BOP"`
 	SupplierID       uint64                  `form:"supplier_id" json:"supplier_id" validate:"required,gt=0"`
+	LocationID       uint64                  `form:"location_id" json:"location_id" validate:"required,gt=0"`
 	Documents        []*multipart.FileHeader `form:"documents" json:"documents" validate:"omitempty,dive"`
 	ExpenseNonstocks []ExpenseNonstock       `form:"expense_nonstocks" json:"expense_nonstocks" validate:"required,min=1,dive"`
 }
 
 type ExpenseNonstock struct {
-	KandangID uint64     `form:"kandang_id" json:"kandang_id" validate:"required,gt=0"`
+	KandangID *uint64    `form:"kandang_id" json:"kandang_id" validate:"omitempty"`
 	CostItems []CostItem `form:"cost_items" json:"cost_items" validate:"required,min=1,dive"`
 }
 
@@ -22,13 +23,14 @@ type CostItem struct {
 	NonstockID uint64  `form:"nonstock_id" json:"nonstock_id" validate:"required,gt=0"`
 	Quantity   float64 `form:"quantity" json:"quantity" validate:"required,gt=0"`
 	Price      float64 `form:"price" json:"price" validate:"required,gt=0"`
-	Notes      string  `form:"notes" json:"notes" validate:"required,max=500"`
+	Notes      string  `form:"notes" json:"notes" validate:"omitempty,max=500"`
 }
 
 type Update struct {
 	TransactionDate  *string                 `form:"transaction_date" json:"transaction_date" validate:"omitempty,datetime=2006-01-02"`
 	Category         *string                 `form:"category" json:"category" validate:"omitempty,oneof=BOP NON-BOP"`
 	SupplierID       *uint64                 `form:"supplier_id" json:"supplier_id" validate:"omitempty,gt=0"`
+	LocationID       *uint64                 `form:"location_id" json:"location_id" validate:"omitempty,gt=0"`
 	Documents        []*multipart.FileHeader `form:"documents" json:"documents" validate:"omitempty,dive"`
 	ExpenseNonstocks *[]ExpenseNonstock      `form:"expense_nonstocks" json:"expense_nonstocks" validate:"omitempty,min=1,dive"`
 }

internal/modules/master/suppliers/repositories/supplier.repository.go

@@ -12,6 +12,7 @@ type SupplierRepository interface {
 	repository.BaseRepository[entity.Supplier]
 	NameExists(ctx context.Context, name string, excludeID *uint) (bool, error)
 	AliasExists(ctx context.Context, alias string, excludeID *uint) (bool, error)
+	IdExists(ctx context.Context, id uint) (bool, error)
 }
 
 type SupplierRepositoryImpl struct {
@@ -33,3 +34,7 @@ func (r *SupplierRepositoryImpl) NameExists(ctx context.Context, name string, ex
 func (r *SupplierRepositoryImpl) AliasExists(ctx context.Context, alias string, excludeID *uint) (bool, error) {
 	return repository.ExistsByField[entity.Supplier](ctx, r.db, "alias", alias, excludeID)
 }
+
+func (r *SupplierRepositoryImpl) IdExists(ctx context.Context, id uint) (bool, error) {
+	return repository.Exists[entity.Supplier](ctx, r.db, id)
+}

internal/modules/production/project_flocks/repositories/projectflock.repository.go

@@ -19,6 +19,7 @@ type ProjectflockRepository interface {
 	GetNextPeriodsForKandangs(ctx context.Context, kandangIDs []uint) (map[uint]int, error)
 	GetCurrentProjectPeriod(ctx context.Context, projectFlockID uint) (int, error)
 	GetKandangPeriodSummaryRows(ctx context.Context, locationID uint) ([]KandangPeriodRow, error)
+	GetActiveByLocationID(ctx context.Context, locationID uint64) ([]entity.ProjectFlock, error)
 	AreaExists(ctx context.Context, id uint) (bool, error)
 	FcrExists(ctx context.Context, id uint) (bool, error)
 	LocationExists(ctx context.Context, id uint) (bool, error)
@@ -295,3 +296,17 @@ func (r *ProjectflockRepositoryImpl) ExistsByFlockName(ctx context.Context, floc
 	}
 	return count > 0, nil
 }
+
+func (r *ProjectflockRepositoryImpl) GetActiveByLocationID(ctx context.Context, locationID uint64) ([]entity.ProjectFlock, error) {
+	var projectFlocks []entity.ProjectFlock
+	err := r.DB().WithContext(ctx).
+		Joins("JOIN project_flock_kandangs ON project_flock_kandangs.project_flock_id = project_flocks.id").
+		Where("project_flocks.location_id = ?", locationID).
+		Where("project_flock_kandangs.closed_at IS NULL").
+		Group("project_flocks.id").
+		Find(&projectFlocks).Error
+	if err != nil {
+		return nil, err
+	}
+	return projectFlocks, nil
+}

internal/modules/purchases/services/expense_bridge.go

@@ -571,7 +571,7 @@ func (b *expenseBridge) createExpenseViaService(
 		Category:        "BOP",
 		SupplierID:      uint64(supplierID),
 		ExpenseNonstocks: []expenseValidation.ExpenseNonstock{{
-			KandangID: uint64(*kandangID),
+			KandangID: func() *uint64 { id := uint64(*kandangID); return &id }(),
 			CostItems: costItems,
 		}},
 	}