internal/contract/analytics_contract.go

@@ -101,7 +101,6 @@ type ProductAnalyticsResponse struct {
 	Data           []ProductAnalyticsData `json:"data"`
 }
 
-// ProductAnalyticsData represents individual product analytics data
 type ProductAnalyticsData struct {
 	ProductID               uuid.UUID `json:"product_id"`
 	ProductName             string    `json:"product_name"`
@@ -113,6 +112,12 @@ type ProductAnalyticsData struct {
 	Revenue                 float64   `json:"revenue"`
 	AveragePrice            float64   `json:"average_price"`
 	OrderCount              int64     `json:"order_count"`
+	StandardHppPerUnit      float64   `json:"standard_hpp_per_unit"`
+	StandardHppTotal        float64   `json:"standard_hpp_total"`
+	FifoHppPerUnit          float64   `json:"fifo_hpp_per_unit"`
+	FifoHppTotal            float64   `json:"fifo_hpp_total"`
+	MovingAverageHppPerUnit float64   `json:"moving_average_hpp_per_unit"`
+	MovingAverageHppTotal   float64   `json:"moving_average_hpp_total"`
 }
 
 // ProductAnalyticsPerCategoryRequest represents the request for product analytics per category
@@ -132,7 +137,6 @@ type ProductAnalyticsPerCategoryResponse struct {
 	Data           []ProductAnalyticsPerCategoryData `json:"data"`
 }
 
-// ProductAnalyticsPerCategoryData represents individual category analytics data
 type ProductAnalyticsPerCategoryData struct {
 	CategoryID            uuid.UUID `json:"category_id"`
 	CategoryName          string    `json:"category_name"`
@@ -140,6 +144,9 @@ type ProductAnalyticsPerCategoryData struct {
 	TotalQuantity         int64     `json:"total_quantity"`
 	ProductCount          int64     `json:"product_count"`
 	OrderCount            int64     `json:"order_count"`
+	TotalStandardHpp      float64   `json:"total_standard_hpp"`
+	TotalFifoHpp          float64   `json:"total_fifo_hpp"`
+	TotalMovingAverageHpp float64   `json:"total_moving_average_hpp"`
 }
 
 // DashboardAnalyticsRequest represents the request for dashboard analytics

internal/contract/order_contract.go

@@ -185,7 +185,7 @@ type CreatePaymentRequest struct {
 
 type CreatePaymentOrderItemRequest struct {
 	OrderItemID uuid.UUID `json:"order_item_id" validate:"required"`
-	Amount      float64   `json:"amount" validate:"required,min=0"`
+	Amount      float64   `json:"amount" validate:"min=0"`
 }
 
 type PaymentResponse struct {

internal/entities/analytics.go

@@ -27,7 +27,6 @@ type SalesAnalytics struct {
 	NetSales float64   `json:"net_sales"`
 }
 
-// ProductAnalytics represents product analytics data
 type ProductAnalytics struct {
 	ProductID               uuid.UUID `json:"product_id"`
 	ProductName             string    `json:"product_name"`
@@ -39,9 +38,14 @@ type ProductAnalytics struct {
 	Revenue                 float64   `json:"revenue"`
 	AveragePrice            float64   `json:"average_price"`
 	OrderCount              int64     `json:"order_count"`
+	StandardHppPerUnit      float64   `json:"standard_hpp_per_unit"`
+	StandardHppTotal        float64   `json:"standard_hpp_total"`
+	FifoHppPerUnit          float64   `json:"fifo_hpp_per_unit"`
+	FifoHppTotal            float64   `json:"fifo_hpp_total"`
+	MovingAverageHppPerUnit float64   `json:"moving_average_hpp_per_unit"`
+	MovingAverageHppTotal   float64   `json:"moving_average_hpp_total"`
 }
 
-// ProductAnalyticsPerCategory represents product analytics data grouped by category
 type ProductAnalyticsPerCategory struct {
 	CategoryID            uuid.UUID `json:"category_id"`
 	CategoryName          string    `json:"category_name"`
@@ -49,6 +53,9 @@ type ProductAnalyticsPerCategory struct {
 	TotalQuantity         int64     `json:"total_quantity"`
 	ProductCount          int64     `json:"product_count"`
 	OrderCount            int64     `json:"order_count"`
+	TotalStandardHpp      float64   `json:"total_standard_hpp"`
+	TotalFifoHpp          float64   `json:"total_fifo_hpp"`
+	TotalMovingAverageHpp float64   `json:"total_moving_average_hpp"`
 }
 
 // DashboardOverview represents dashboard overview data

internal/models/analytics.go

@@ -105,7 +105,6 @@ type ProductAnalyticsResponse struct {
 	Data           []ProductAnalyticsData `json:"data"`
 }
 
-// ProductAnalyticsData represents individual product analytics data
 type ProductAnalyticsData struct {
 	ProductID               uuid.UUID `json:"product_id"`
 	ProductName             string    `json:"product_name"`
@@ -117,6 +116,12 @@ type ProductAnalyticsData struct {
 	Revenue                 float64   `json:"revenue"`
 	AveragePrice            float64   `json:"average_price"`
 	OrderCount              int64     `json:"order_count"`
+	StandardHppPerUnit      float64   `json:"standard_hpp_per_unit"`
+	StandardHppTotal        float64   `json:"standard_hpp_total"`
+	FifoHppPerUnit          float64   `json:"fifo_hpp_per_unit"`
+	FifoHppTotal            float64   `json:"fifo_hpp_total"`
+	MovingAverageHppPerUnit float64   `json:"moving_average_hpp_per_unit"`
+	MovingAverageHppTotal   float64   `json:"moving_average_hpp_total"`
 }
 
 // ProductAnalyticsPerCategoryRequest represents the request for product analytics per category
@@ -136,7 +141,6 @@ type ProductAnalyticsPerCategoryResponse struct {
 	Data           []ProductAnalyticsPerCategoryData `json:"data"`
 }
 
-// ProductAnalyticsPerCategoryData represents individual category analytics data
 type ProductAnalyticsPerCategoryData struct {
 	CategoryID            uuid.UUID `json:"category_id"`
 	CategoryName          string    `json:"category_name"`
@@ -144,6 +148,9 @@ type ProductAnalyticsPerCategoryData struct {
 	TotalQuantity         int64     `json:"total_quantity"`
 	ProductCount          int64     `json:"product_count"`
 	OrderCount            int64     `json:"order_count"`
+	TotalStandardHpp      float64   `json:"total_standard_hpp"`
+	TotalFifoHpp          float64   `json:"total_fifo_hpp"`
+	TotalMovingAverageHpp float64   `json:"total_moving_average_hpp"`
 }
 
 // DashboardAnalyticsRequest represents the request for dashboard analytics

internal/processor/analytics_processor.go

@@ -195,6 +195,12 @@ func (p *AnalyticsProcessorImpl) GetProductAnalytics(ctx context.Context, req *m
 			Revenue:                 data.Revenue,
 			AveragePrice:            data.AveragePrice,
 			OrderCount:              data.OrderCount,
+			StandardHppPerUnit:      data.StandardHppPerUnit,
+			StandardHppTotal:        data.StandardHppTotal,
+			FifoHppPerUnit:          data.FifoHppPerUnit,
+			FifoHppTotal:            data.FifoHppTotal,
+			MovingAverageHppPerUnit: data.MovingAverageHppPerUnit,
+			MovingAverageHppTotal:   data.MovingAverageHppTotal,
 		})
 	}
 
@@ -229,6 +235,9 @@ func (p *AnalyticsProcessorImpl) GetProductAnalyticsPerCategory(ctx context.Cont
 			TotalQuantity:         data.TotalQuantity,
 			ProductCount:          data.ProductCount,
 			OrderCount:            data.OrderCount,
+			TotalStandardHpp:      data.TotalStandardHpp,
+			TotalFifoHpp:          data.TotalFifoHpp,
+			TotalMovingAverageHpp: data.TotalMovingAverageHpp,
 		})
 	}
 

internal/repository/analytics_repository.go

@@ -124,11 +124,45 @@ func (r *AnalyticsRepositoryImpl) GetProductAnalytics(ctx context.Context, organ
 				WHEN SUM(oi.quantity) > 0 THEN COALESCE(SUM(oi.total_price), 0) / SUM(oi.quantity)
 				ELSE 0 
 			END as average_price,
-			COUNT(DISTINCT oi.order_id) as order_count
+			COUNT(DISTINCT oi.order_id) as order_count,
+			COALESCE((
+				SELECT SUM(pr.quantity * (1 + COALESCE(pr.waste_percentage, 0)/100.0) * i.cost)
+				FROM product_recipes pr
+				JOIN ingredients i ON pr.ingredient_id = i.id
+				WHERE pr.product_id = p.id
+			), p.cost, 0) as standard_hpp_per_unit,
+			COALESCE((
+				SELECT SUM(pr.quantity * (1 + COALESCE(pr.waste_percentage, 0)/100.0) * i.cost)
+				FROM product_recipes pr
+				JOIN ingredients i ON pr.ingredient_id = i.id
+				WHERE pr.product_id = p.id
+			), p.cost, 0) * COALESCE(SUM(oi.quantity), 0) as standard_hpp_total,
+			CASE 
+				WHEN SUM(oi.quantity) > 0 THEN COALESCE(SUM(oi.total_cost), 0) / SUM(oi.quantity)
+				ELSE 0 
+			END as fifo_hpp_per_unit,
+			COALESCE(SUM(oi.total_cost), 0) as fifo_hpp_total,
+			COALESCE(mahpp.hpp_per_unit, p.cost, 0) as moving_average_hpp_per_unit,
+			COALESCE(mahpp.hpp_per_unit, p.cost, 0) * COALESCE(SUM(oi.quantity), 0) as moving_average_hpp_total
 		`).
 		Joins("JOIN products p ON oi.product_id = p.id").
 		Joins("JOIN categories c ON p.category_id = c.id").
 		Joins("JOIN orders o ON oi.order_id = o.id").
+		Joins("LEFT JOIN (?) mahpp ON mahpp.product_id = p.id",
+			r.db.Table("product_recipes pr2").
+				Select("pr2.product_id, SUM(pr2.quantity * (1 + COALESCE(pr2.waste_percentage, 0)/100.0) * COALESCE(ma.moving_avg_cost, ing.cost)) as hpp_per_unit").
+				Joins("JOIN ingredients ing ON pr2.ingredient_id = ing.id").
+				Joins("LEFT JOIN (?) ma ON ma.ingredient_id = pr2.ingredient_id",
+					r.db.Table("inventory_movements im").
+						Select("im.item_id as ingredient_id, CASE WHEN SUM(im.quantity) > 0 THEN SUM(im.total_cost) / SUM(im.quantity) ELSE 0 END as moving_avg_cost").
+						Where("im.movement_type = ?", "purchase").
+						Where("im.item_type = ?", "INGREDIENT").
+						Where("im.organization_id = ?", organizationID).
+						Where("im.created_at <= ?", dateTo).
+						Group("im.item_id"),
+				).
+				Group("pr2.product_id"),
+		).
 		Where("o.organization_id = ?", organizationID).
 		Where("o.is_void = ?", false).
 		Where("o.is_refund = ?", false).
@@ -141,7 +175,7 @@ func (r *AnalyticsRepositoryImpl) GetProductAnalytics(ctx context.Context, organ
 	}
 
 	err := query.
-		Group("p.id, p.name, c.id, c.name, c.order").
+		Group("p.id, p.name, p.cost, c.id, c.name, c.order, mahpp.hpp_per_unit").
 		Order("revenue DESC").
 		Limit(limit).
 		Scan(&results).Error
@@ -160,11 +194,30 @@ func (r *AnalyticsRepositoryImpl) GetProductAnalyticsPerCategory(ctx context.Con
 			COALESCE(SUM(CASE WHEN oi.is_fully_refunded = false THEN oi.total_price - COALESCE(oi.refund_amount, 0) ELSE 0 END), 0) as total_revenue,
 			COALESCE(SUM(CASE WHEN oi.is_fully_refunded = false THEN oi.quantity - COALESCE(oi.refund_quantity, 0) ELSE 0 END), 0) as total_quantity,
 			COUNT(DISTINCT p.id) as product_count,
-			COUNT(DISTINCT oi.order_id) as order_count
+			COUNT(DISTINCT oi.order_id) as order_count,
+			COALESCE(SUM(CASE WHEN oi.is_fully_refunded = false THEN COALESCE(shpp.hpp_per_unit, p.cost, 0) * (oi.quantity - COALESCE(oi.refund_quantity, 0)) ELSE 0 END), 0) as total_standard_hpp,
+			COALESCE(SUM(CASE WHEN oi.is_fully_refunded = false THEN oi.total_cost * ((oi.quantity - COALESCE(oi.refund_quantity, 0))::float / NULLIF(oi.quantity, 0)) ELSE 0 END), 0) as total_fifo_hpp,
+			COALESCE(SUM(CASE WHEN oi.is_fully_refunded = false THEN COALESCE(mahpp.hpp_per_unit, p.cost, 0) * (oi.quantity - COALESCE(oi.refund_quantity, 0)) ELSE 0 END), 0) as total_moving_average_hpp
 		`).
 		Joins("JOIN products p ON oi.product_id = p.id").
 		Joins("JOIN categories c ON p.category_id = c.id").
 		Joins("JOIN orders o ON oi.order_id = o.id").
+		Joins("LEFT JOIN (SELECT pr.product_id, SUM(pr.quantity * (1 + COALESCE(pr.waste_percentage, 0)/100.0) * i.cost) as hpp_per_unit FROM product_recipes pr JOIN ingredients i ON pr.ingredient_id = i.id GROUP BY pr.product_id) shpp ON shpp.product_id = p.id").
+		Joins("LEFT JOIN (?) mahpp ON mahpp.product_id = p.id",
+			r.db.Table("product_recipes pr2").
+				Select("pr2.product_id, SUM(pr2.quantity * (1 + COALESCE(pr2.waste_percentage, 0)/100.0) * COALESCE(ma.moving_avg_cost, ing.cost)) as hpp_per_unit").
+				Joins("JOIN ingredients ing ON pr2.ingredient_id = ing.id").
+				Joins("LEFT JOIN (?) ma ON ma.ingredient_id = pr2.ingredient_id",
+					r.db.Table("inventory_movements im").
+						Select("im.item_id as ingredient_id, CASE WHEN SUM(im.quantity) > 0 THEN SUM(im.total_cost) / SUM(im.quantity) ELSE 0 END as moving_avg_cost").
+						Where("im.movement_type = ?", "purchase").
+						Where("im.item_type = ?", "INGREDIENT").
+						Where("im.organization_id = ?", organizationID).
+						Where("im.created_at <= ?", dateTo).
+						Group("im.item_id"),
+				).
+				Group("pr2.product_id"),
+		).
 		Where("o.organization_id = ?", organizationID).
 		Where("o.is_void = ?", false).
 		Where("o.is_refund = ?", false).

internal/router/router.go

@@ -50,65 +50,7 @@ type Router struct {
 	customerAuthMiddleware            *middleware.CustomerAuthMiddleware
 }
 
-func NewRouter(cfg *config.Config,
+func NewRouter(cfg *config.Config, healthHandler *handler.HealthHandler, authService service.AuthService, authMiddleware *middleware.AuthMiddleware, userService *service.UserServiceImpl, userValidator *validator.UserValidatorImpl, organizationService service.OrganizationService, organizationValidator validator.OrganizationValidator, outletService service.OutletService, outletValidator validator.OutletValidator, outletSettingService service.OutletSettingService, categoryService service.CategoryService, categoryValidator validator.CategoryValidator, productService service.ProductService, productValidator validator.ProductValidator, productVariantService service.ProductVariantService, productVariantValidator validator.ProductVariantValidator, inventoryService service.InventoryService, inventoryValidator validator.InventoryValidator, orderService service.OrderService, orderValidator validator.OrderValidator, fileService service.FileService, fileValidator validator.FileValidator, customerService service.CustomerService, customerValidator validator.CustomerValidator, paymentMethodService service.PaymentMethodService, paymentMethodValidator validator.PaymentMethodValidator, analyticsService *service.AnalyticsServiceImpl, reportService service.ReportService, tableService *service.TableServiceImpl, tableValidator *validator.TableValidator, unitService handler.UnitService, ingredientService handler.IngredientService, productRecipeService service.ProductRecipeService, vendorService service.VendorService, vendorValidator validator.VendorValidator, purchaseOrderService service.PurchaseOrderService, purchaseOrderValidator validator.PurchaseOrderValidator, unitConverterService service.IngredientUnitConverterService, unitConverterValidator validator.IngredientUnitConverterValidator, chartOfAccountTypeService service.ChartOfAccountTypeService, chartOfAccountTypeValidator validator.ChartOfAccountTypeValidator, chartOfAccountService service.ChartOfAccountService, chartOfAccountValidator validator.ChartOfAccountValidator, accountService service.AccountService, accountValidator validator.AccountValidator, orderIngredientTransactionService service.OrderIngredientTransactionService, orderIngredientTransactionValidator validator.OrderIngredientTransactionValidator, gamificationService service.GamificationService, gamificationValidator validator.GamificationValidator, rewardService service.RewardService, rewardValidator validator.RewardValidator, campaignService service.CampaignService, campaignValidator validator.CampaignValidator, customerAuthService service.CustomerAuthService, customerAuthValidator validator.CustomerAuthValidator, customerPointsService service.CustomerPointsService, spinGameService service.SpinGameService, customerAuthMiddleware *middleware.CustomerAuthMiddleware) *Router {
-	healthHandler *handler.HealthHandler,
-	authService service.AuthService,
-	authMiddleware *middleware.AuthMiddleware,
-	userService *service.UserServiceImpl,
-	userValidator *validator.UserValidatorImpl,
-	organizationService service.OrganizationService,
-	organizationValidator validator.OrganizationValidator,
-	outletService service.OutletService,
-	outletValidator validator.OutletValidator,
-	outletSettingService service.OutletSettingService,
-	categoryService service.CategoryService,
-	categoryValidator validator.CategoryValidator,
-	productService service.ProductService,
-	productValidator validator.ProductValidator,
-	productVariantService service.ProductVariantService,
-	productVariantValidator validator.ProductVariantValidator,
-	inventoryService service.InventoryService,
-	inventoryValidator validator.InventoryValidator,
-	orderService service.OrderService,
-	orderValidator validator.OrderValidator,
-	fileService service.FileService,
-	fileValidator validator.FileValidator,
-	customerService service.CustomerService,
-	customerValidator validator.CustomerValidator,
-	paymentMethodService service.PaymentMethodService,
-	paymentMethodValidator validator.PaymentMethodValidator,
-	analyticsService *service.AnalyticsServiceImpl,
-	reportService service.ReportService,
-	tableService *service.TableServiceImpl,
-	tableValidator *validator.TableValidator,
-	unitService handler.UnitService,
-	ingredientService handler.IngredientService,
-	productRecipeService service.ProductRecipeService,
-	vendorService service.VendorService,
-	vendorValidator validator.VendorValidator,
-	purchaseOrderService service.PurchaseOrderService,
-	purchaseOrderValidator validator.PurchaseOrderValidator,
-	unitConverterService service.IngredientUnitConverterService,
-	unitConverterValidator validator.IngredientUnitConverterValidator,
-	chartOfAccountTypeService service.ChartOfAccountTypeService,
-	chartOfAccountTypeValidator validator.ChartOfAccountTypeValidator,
-	chartOfAccountService service.ChartOfAccountService,
-	chartOfAccountValidator validator.ChartOfAccountValidator,
-	accountService service.AccountService,
-	accountValidator validator.AccountValidator,
-	orderIngredientTransactionService service.OrderIngredientTransactionService,
-	orderIngredientTransactionValidator validator.OrderIngredientTransactionValidator,
-	gamificationService service.GamificationService,
-	gamificationValidator validator.GamificationValidator,
-	rewardService service.RewardService,
-	rewardValidator validator.RewardValidator,
-	campaignService service.CampaignService,
-	campaignValidator validator.CampaignValidator,
-	customerAuthService service.CustomerAuthService,
-	customerAuthValidator validator.CustomerAuthValidator,
-	customerPointsService service.CustomerPointsService,
-	spinGameService service.SpinGameService,
-	customerAuthMiddleware *middleware.CustomerAuthMiddleware) *Router {
 
 	return &Router{
 		config:                            cfg,

internal/transformer/analytics_transformer.go

@@ -165,6 +165,12 @@ func ProductAnalyticsModelToContract(resp *models.ProductAnalyticsResponse) *con
 			Revenue:                 item.Revenue,
 			AveragePrice:            item.AveragePrice,
 			OrderCount:              item.OrderCount,
+			StandardHppPerUnit:      item.StandardHppPerUnit,
+			StandardHppTotal:        item.StandardHppTotal,
+			FifoHppPerUnit:          item.FifoHppPerUnit,
+			FifoHppTotal:            item.FifoHppTotal,
+			MovingAverageHppPerUnit: item.MovingAverageHppPerUnit,
+			MovingAverageHppTotal:   item.MovingAverageHppTotal,
 		})
 	}
 
@@ -214,6 +220,9 @@ func ProductAnalyticsPerCategoryModelToContract(resp *models.ProductAnalyticsPer
 			TotalQuantity:         item.TotalQuantity,
 			ProductCount:          item.ProductCount,
 			OrderCount:            item.OrderCount,
+			TotalStandardHpp:      item.TotalStandardHpp,
+			TotalFifoHpp:          item.TotalFifoHpp,
+			TotalMovingAverageHpp: item.TotalMovingAverageHpp,
 		})
 	}
 
@@ -265,6 +274,12 @@ func DashboardAnalyticsModelToContract(resp *models.DashboardAnalyticsResponse)
 			Revenue:                 item.Revenue,
 			AveragePrice:            item.AveragePrice,
 			OrderCount:              item.OrderCount,
+			StandardHppPerUnit:      item.StandardHppPerUnit,
+			StandardHppTotal:        item.StandardHppTotal,
+			FifoHppPerUnit:          item.FifoHppPerUnit,
+			FifoHppTotal:            item.FifoHppTotal,
+			MovingAverageHppPerUnit: item.MovingAverageHppPerUnit,
+			MovingAverageHppTotal:   item.MovingAverageHppTotal,
 		})
 	}