refactor and add outlet product table

internal/processor/order_processor.go

@@ -108,6 +108,7 @@ type OrderProcessorImpl struct {
 	productRecipeRepo        *repository.ProductRecipeRepository
 	ingredientRepo           IngredientRepository
 	inventoryMovementService InventoryMovementService
+	productOutletPriceRepo   repository.ProductOutletPriceRepository
 }
 
 func NewOrderProcessorImpl(
@@ -126,6 +127,7 @@ func NewOrderProcessorImpl(
 	productRecipeRepo *repository.ProductRecipeRepository,
 	ingredientRepo IngredientRepository,
 	inventoryMovementService InventoryMovementService,
+	productOutletPriceRepo repository.ProductOutletPriceRepository,
 ) *OrderProcessorImpl {
 	return &OrderProcessorImpl{
 		orderRepo:                orderRepo,
@@ -144,6 +146,7 @@ func NewOrderProcessorImpl(
 		productRecipeRepo:        productRecipeRepo,
 		ingredientRepo:           ingredientRepo,
 		inventoryMovementService: inventoryMovementService,
+		productOutletPriceRepo:   productOutletPriceRepo,
 	}
 }
 
@@ -170,6 +173,12 @@ func (p *OrderProcessorImpl) CreateOrder(ctx context.Context, req *models.Create
 		unitPrice := product.Price
 		unitCost := product.Cost
 
+		if p.productOutletPriceRepo != nil {
+			if outletPrice, err := p.productOutletPriceRepo.GetByProductAndOutlet(ctx, itemReq.ProductID, req.OutletID); err == nil {
+				unitPrice = outletPrice.Price
+			}
+		}
+
 		if itemReq.ProductVariantID != nil {
 			variant, err := p.productVariantRepo.GetByID(ctx, *itemReq.ProductVariantID)
 			if err != nil {
@@ -293,6 +302,12 @@ func (p *OrderProcessorImpl) AddToOrder(ctx context.Context, orderID uuid.UUID,
 		unitPrice := product.Price
 		unitCost := product.Cost
 
+		if p.productOutletPriceRepo != nil {
+			if outletPrice, err := p.productOutletPriceRepo.GetByProductAndOutlet(ctx, itemReq.ProductID, order.OutletID); err == nil {
+				unitPrice = outletPrice.Price
+			}
+		}
+
 		// Handle product variant if specified
 		if itemReq.ProductVariantID != nil {
 			variant, err := p.productVariantRepo.GetByID(ctx, *itemReq.ProductVariantID)

internal/processor/product_outlet_price_processor.go

@@ -0,0 +1,104 @@
+package processor
+
+import (
+	"context"
+	"fmt"
+
+	"apskel-pos-be/internal/entities"
+	"apskel-pos-be/internal/mappers"
+	"apskel-pos-be/internal/models"
+	"apskel-pos-be/internal/repository"
+
+	"github.com/google/uuid"
+)
+
+type ProductOutletPriceProcessor interface {
+	Upsert(ctx context.Context, req *models.CreateProductOutletPriceRequest) (*models.ProductOutletPrice, error)
+	GetByProductAndOutlet(ctx context.Context, productID, outletID uuid.UUID) (*models.ProductOutletPrice, error)
+	GetByProduct(ctx context.Context, productID uuid.UUID) ([]*models.ProductOutletPrice, error)
+	GetByOutlet(ctx context.Context, outletID uuid.UUID) ([]*models.ProductOutletPrice, error)
+	Delete(ctx context.Context, id uuid.UUID) error
+	ResolvePrice(ctx context.Context, productID, outletID uuid.UUID, fallbackPrice float64) float64
+	BulkUpsert(ctx context.Context, productID uuid.UUID, prices []models.CreateProductOutletPriceRequest) ([]*models.ProductOutletPrice, error)
+}
+
+type ProductOutletPriceProcessorImpl struct {
+	repo repository.ProductOutletPriceRepository
+}
+
+func NewProductOutletPriceProcessorImpl(repo repository.ProductOutletPriceRepository) *ProductOutletPriceProcessorImpl {
+	return &ProductOutletPriceProcessorImpl{
+		repo: repo,
+	}
+}
+
+func (p *ProductOutletPriceProcessorImpl) Upsert(ctx context.Context, req *models.CreateProductOutletPriceRequest) (*models.ProductOutletPrice, error) {
+	entity := &entities.ProductOutletPrice{
+		ProductID: req.ProductID,
+		OutletID:  req.OutletID,
+		Price:     req.Price,
+	}
+
+	if err := p.repo.Upsert(ctx, entity); err != nil {
+		return nil, fmt.Errorf("failed to upsert product outlet price: %w", err)
+	}
+
+	return mappers.ProductOutletPriceEntityToModel(entity), nil
+}
+
+func (p *ProductOutletPriceProcessorImpl) GetByProductAndOutlet(ctx context.Context, productID, outletID uuid.UUID) (*models.ProductOutletPrice, error) {
+	entity, err := p.repo.GetByProductAndOutlet(ctx, productID, outletID)
+	if err != nil {
+		return nil, fmt.Errorf("product outlet price not found: %w", err)
+	}
+
+	return mappers.ProductOutletPriceEntityToModel(entity), nil
+}
+
+func (p *ProductOutletPriceProcessorImpl) GetByProduct(ctx context.Context, productID uuid.UUID) ([]*models.ProductOutletPrice, error) {
+	entities, err := p.repo.GetByProduct(ctx, productID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get product outlet prices: %w", err)
+	}
+
+	return mappers.ProductOutletPriceEntitiesToModels(entities), nil
+}
+
+func (p *ProductOutletPriceProcessorImpl) GetByOutlet(ctx context.Context, outletID uuid.UUID) ([]*models.ProductOutletPrice, error) {
+	entities, err := p.repo.GetByOutlet(ctx, outletID)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get outlet prices: %w", err)
+	}
+
+	return mappers.ProductOutletPriceEntitiesToModels(entities), nil
+}
+
+func (p *ProductOutletPriceProcessorImpl) Delete(ctx context.Context, id uuid.UUID) error {
+	if err := p.repo.Delete(ctx, id); err != nil {
+		return fmt.Errorf("failed to delete product outlet price: %w", err)
+	}
+	return nil
+}
+
+func (p *ProductOutletPriceProcessorImpl) ResolvePrice(ctx context.Context, productID, outletID uuid.UUID, fallbackPrice float64) float64 {
+	outletPrice, err := p.repo.GetByProductAndOutlet(ctx, productID, outletID)
+	if err != nil {
+		return fallbackPrice
+	}
+	return outletPrice.Price
+}
+
+func (p *ProductOutletPriceProcessorImpl) BulkUpsert(ctx context.Context, productID uuid.UUID, prices []models.CreateProductOutletPriceRequest) ([]*models.ProductOutletPrice, error) {
+	var results []*models.ProductOutletPrice
+
+	for _, req := range prices {
+		req.ProductID = productID
+		result, err := p.Upsert(ctx, &req)
+		if err != nil {
+			return nil, fmt.Errorf("failed to upsert price for outlet %s: %w", req.OutletID, err)
+		}
+		results = append(results, result)
+	}
+
+	return results, nil
+}