feat: implement logger

app/delivery/web/api/public/auth.go

@@ -1,7 +1,6 @@
 package public
 
 import (
-	"log"
 	"strconv"
 	"time"
 
@@ -11,6 +10,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/authService"
 	constdata "git.ma-al.com/goc_daniel/b2b/app/utils/const_data"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -178,7 +178,13 @@ func (h *AuthHandler) ForgotPassword(c fiber.Ctx) error {
 	// Request password reset - always return success to prevent email enumeration
 	err := h.authService.RequestPasswordReset(req.Email)
 	if err != nil {
-		log.Printf("Password reset request error: %v", err)
+
+		logger.Warn("password reset request failed",
+			"handler", "AuthHandler.ForgotPassword",
+
+			"email", req.Email,
+			"error", err.Error(),
+		)
 	}
 
 	return c.JSON(fiber.Map{
@@ -307,7 +313,6 @@ func (h *AuthHandler) Register(c fiber.Ctx) error {
 	// Attempt registration
 	err := h.authService.Register(&req)
 	if err != nil {
-		log.Printf("Register error: %v", err)
 		return c.Status(responseErrors.GetErrorStatus(err)).JSON(fiber.Map{
 			"error": responseErrors.GetErrorCode(c, err),
 		})
@@ -447,7 +452,6 @@ func (h *AuthHandler) GoogleCallback(c fiber.Ctx) error {
 
 	response, rawRefreshToken, err := h.authService.HandleGoogleCallback(code)
 	if err != nil {
-		log.Printf("Google OAuth callback error: %v", err)
 		return c.Status(responseErrors.GetErrorStatus(err)).JSON(fiber.Map{
 			"error": responseErrors.GetErrorCode(c, err),
 		})

app/delivery/web/api/restricted/addresses.go

@@ -6,6 +6,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/addressesService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -45,6 +46,13 @@ func (h *AddressesHandler) GetTemplate(c fiber.Ctx) error {
 
 	template, err := h.addressesService.GetTemplate(uint(country_id))
 	if err != nil {
+
+		logger.Error("failed to get address template",
+			"handler", "AddressesHandler.GetTemplate",
+
+			"country_id", country_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -74,6 +82,13 @@ func (h *AddressesHandler) AddNewAddress(c fiber.Ctx) error {
 
 	err = h.addressesService.AddNewAddress(userID, address_info, uint(country_id))
 	if err != nil {
+
+		logger.Error("failed to add new address",
+			"handler", "AddressesHandler.AddNewAddress",
+
+			"user_id", userID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -110,6 +125,14 @@ func (h *AddressesHandler) ModifyAddress(c fiber.Ctx) error {
 
 	err = h.addressesService.ModifyAddress(userID, uint(address_id), address_info, uint(country_id))
 	if err != nil {
+
+		logger.Error("failed to modify address",
+			"handler", "AddressesHandler.ModifyAddress",
+
+			"user_id", userID,
+			"address_id", address_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -126,6 +149,13 @@ func (h *AddressesHandler) RetrieveAddressesInfo(c fiber.Ctx) error {
 
 	addresses, err := h.addressesService.RetrieveAddresses(userID)
 	if err != nil {
+
+		logger.Error("failed to retrieve addresses",
+			"handler", "AddressesHandler.RetrieveAddressesInfo",
+
+			"user_id", userID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -149,6 +179,14 @@ func (h *AddressesHandler) DeleteAddress(c fiber.Ctx) error {
 
 	err = h.addressesService.DeleteAddress(userID, uint(address_id))
 	if err != nil {
+
+		logger.Error("failed to delete address",
+			"handler", "AddressesHandler.DeleteAddress",
+
+			"user_id", userID,
+			"address_id", address_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/carts.go

@@ -6,6 +6,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/cartsService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -49,6 +50,13 @@ func (h *CartsHandler) AddNewCart(c fiber.Ctx) error {
 	name := c.Query("name")
 	new_cart, err := h.cartsService.CreateNewCart(userID, name)
 	if err != nil {
+
+		logger.Error("failed to create cart",
+			"handler", "CartsHandler.AddNewCart",
+
+			"user_id", userID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -72,6 +80,14 @@ func (h *CartsHandler) RemoveCart(c fiber.Ctx) error {
 
 	err = h.cartsService.RemoveCart(userID, uint(cart_id))
 	if err != nil {
+
+		logger.Error("failed to remove cart",
+			"handler", "CartsHandler.RemoveCart",
+
+			"user_id", userID,
+			"cart_id", cart_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -97,6 +113,14 @@ func (h *CartsHandler) ChangeCartName(c fiber.Ctx) error {
 
 	err = h.cartsService.UpdateCartName(userID, uint(cart_id), new_name)
 	if err != nil {
+
+		logger.Error("failed to update cart name",
+			"handler", "CartsHandler.ChangeCartName",
+
+			"user_id", userID,
+			"cart_id", cart_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -113,6 +137,13 @@ func (h *CartsHandler) RetrieveCartsInfo(c fiber.Ctx) error {
 
 	carts_info, err := h.cartsService.RetrieveCartsInfo(userID)
 	if err != nil {
+
+		logger.Error("failed to retrieve carts info",
+			"handler", "CartsHandler.RetrieveCartsInfo",
+
+			"user_id", userID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -136,6 +167,14 @@ func (h *CartsHandler) RetrieveCart(c fiber.Ctx) error {
 
 	cart, err := h.cartsService.RetrieveCart(userID, uint(cart_id))
 	if err != nil {
+
+		logger.Error("failed to retrieve cart",
+			"handler", "CartsHandler.RetrieveCart",
+
+			"user_id", userID,
+			"cart_id", cart_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -195,6 +234,15 @@ func (h *CartsHandler) AddProduct(c fiber.Ctx) error {
 
 	err = h.cartsService.AddProduct(userID, uint(cart_id), uint(product_id), product_attribute_id, amount, set_amount)
 	if err != nil {
+
+		logger.Error("failed to add product to cart",
+			"handler", "CartsHandler.AddProduct",
+
+			"user_id", userID,
+			"cart_id", cart_id,
+			"product_id", product_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -240,6 +288,15 @@ func (h *CartsHandler) RemoveProduct(c fiber.Ctx) error {
 
 	err = h.cartsService.RemoveProduct(userID, uint(cart_id), uint(product_id), product_attribute_id)
 	if err != nil {
+
+		logger.Error("failed to remove product from cart",
+			"handler", "CartsHandler.RemoveProduct",
+
+			"user_id", userID,
+			"cart_id", cart_id,
+			"product_id", product_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/currency.go

@@ -9,6 +9,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/model"
 	"git.ma-al.com/goc_daniel/b2b/app/service/currencyService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -46,6 +47,12 @@ func (h *CurrencyHandler) PostCurrencyRate(c fiber.Ctx) error {
 
 	err := h.CurrencyService.CreateCurrencyRate(&currencyRate)
 	if err != nil {
+
+		logger.Error("failed to create currency rate",
+			"handler", "CurrencyHandler.PostCurrencyRate",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -63,6 +70,13 @@ func (h *CurrencyHandler) GetCurrencyRate(c fiber.Ctx) error {
 
 	currency, err := h.CurrencyService.GetCurrency(uint(id))
 	if err != nil {
+
+		logger.Error("failed to get currency",
+			"handler", "CurrencyHandler.GetCurrencyRate",
+
+			"currency_id", id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
 

app/delivery/web/api/restricted/customer.go

@@ -9,6 +9,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/customerService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/query_params"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
@@ -64,6 +65,13 @@ func (h *customerHandler) customerData(fc fiber.Ctx) error {
 
 	customer, err := h.service.GetById(customerId)
 	if err != nil {
+
+		logger.Error("failed to get customer",
+			"handler", "customerHandler.customerData",
+
+			"customer_id", customerId,
+			"error", err.Error(),
+		)
 		return fc.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(fc, err)))
 	}
@@ -88,6 +96,12 @@ func (h *customerHandler) listCustomers(fc fiber.Ctx) error {
 
 	customer, err := h.service.Find(user.LangID, p, filt, search)
 	if err != nil {
+
+		logger.Error("failed to list customers",
+			"handler", "customerHandler.listCustomers",
+
+			"error", err.Error(),
+		)
 		return fc.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(fc, err)))
 	}
@@ -120,6 +134,13 @@ func (h *customerHandler) setCustomerNoVatStatus(fc fiber.Ctx) error {
 	}
 
 	if err := h.service.SetCustomerNoVatStatus(req.CustomerID, req.IsNoVat); err != nil {
+
+		logger.Error("failed to set customer no vat status",
+			"handler", "customerHandler.setCustomerNoVatStatus",
+
+			"customer_id", req.CustomerID,
+			"error", err.Error(),
+		)
 		return fc.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(fc, err)))
 	}

app/delivery/web/api/restricted/localeSelector.go

@@ -3,6 +3,7 @@ package restricted
 import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/localeSelectorService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -34,6 +35,12 @@ func LocaleSelectorHandlerRoutes(r fiber.Router) fiber.Router {
 func (h *LocaleSelectorHandler) GetLanguages(c fiber.Ctx) error {
 	languages, err := h.localeSelectorService.GetLanguages()
 	if err != nil {
+
+		logger.Error("failed to get languages",
+			"handler", "LocaleSelectorHandler.GetLanguages",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -44,6 +51,12 @@ func (h *LocaleSelectorHandler) GetLanguages(c fiber.Ctx) error {
 func (h *LocaleSelectorHandler) GetCountries(c fiber.Ctx) error {
 	countries, err := h.localeSelectorService.GetCountriesAndCurrencies()
 	if err != nil {
+
+		logger.Error("failed to get countries",
+			"handler", "LocaleSelectorHandler.GetCountries",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/menu.go

@@ -6,6 +6,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/menuService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -49,6 +50,12 @@ func (h *MenuHandler) GetCategoryTree(c fiber.Ctx) error {
 
 	category_tree, err := h.menuService.GetCategoryTree(uint(root_category_id), lang_id)
 	if err != nil {
+
+		logger.Error("failed to get category tree",
+			"handler", "MenuHandler.GetCategoryTree",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -79,6 +86,12 @@ func (h *MenuHandler) GetBreadcrumb(c fiber.Ctx) error {
 
 	breadcrumb, err := h.menuService.GetBreadcrumb(uint(root_category_id), uint(category_id), lang_id)
 	if err != nil {
+
+		logger.Error("failed to get breadcrumb",
+			"handler", "MenuHandler.GetBreadcrumb",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -94,6 +107,12 @@ func (h *MenuHandler) GetTopMenu(c fiber.Ctx) error {
 	}
 	menu, err := h.menuService.GetTopMenu(customer.LangID, customer.RoleID)
 	if err != nil {
+
+		logger.Error("failed to get top menu",
+			"handler", "MenuHandler.GetTopMenu",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/orders.go

@@ -7,6 +7,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/orderService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/query_params"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
@@ -53,6 +54,12 @@ func (h *OrdersHandler) ListOrders(c fiber.Ctx) error {
 
 	list, err := h.ordersService.Find(user, paging, filters)
 	if err != nil {
+
+		logger.Error("failed to list orders",
+			"handler", "OrdersHandler.ListOrders",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -99,6 +106,13 @@ func (h *OrdersHandler) PlaceNewOrder(c fiber.Ctx) error {
 
 	err = h.ordersService.PlaceNewOrder(userID, uint(cart_id), name, uint(country_id), address_info)
 	if err != nil {
+
+		logger.Error("failed to place order",
+			"handler", "OrdersHandler.PlaceNewOrder",
+
+			"user_id", userID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -136,6 +150,13 @@ func (h *OrdersHandler) ChangeOrderAddress(c fiber.Ctx) error {
 
 	err = h.ordersService.ChangeOrderAddress(user, uint(order_id), uint(country_id), address_info)
 	if err != nil {
+
+		logger.Error("failed to change order address",
+			"handler", "OrdersHandler.ChangeOrderAddress",
+
+			"order_id", order_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -163,6 +184,13 @@ func (h *OrdersHandler) ChangeOrderStatus(c fiber.Ctx) error {
 
 	err = h.ordersService.ChangeOrderStatus(user, uint(order_id), status)
 	if err != nil {
+
+		logger.Error("failed to change order status",
+			"handler", "OrdersHandler.ChangeOrderStatus",
+
+			"order_id", order_id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/product.go

@@ -9,6 +9,7 @@ import (
 	constdata "git.ma-al.com/goc_daniel/b2b/app/utils/const_data"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/query_params"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
@@ -74,6 +75,15 @@ func (h *ProductsHandler) GetProductJson(c fiber.Ctx) error {
 	}
 	productJson, err := h.productService.Get(uint(p_id_product), customer.LangID, customer.ID, uint(b2b_id_country), uint(p_quantity))
 	if err != nil {
+		logger.Error("failed to get product",
+			"handler", "ProductsHandler.GetProductJson",
+			"product_id", p_id_product,
+			"lang_id", customer.LangID,
+			"customer_id", customer.ID,
+			"b2b_id_country", b2b_id_country,
+			"quantity", p_quantity,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -96,6 +106,13 @@ func (h *ProductsHandler) ListProducts(c fiber.Ctx) error {
 
 	list, err := h.productService.Find(customer.LangID, customer.ID, paging, filters, customer, constdata.DEFAULT_PRODUCT_QUANTITY, constdata.SHOP_ID)
 	if err != nil {
+
+		logger.Error("failed to list products",
+			"handler", "ProductsHandler.ListProducts",
+			"lang_id", customer.LangID,
+			"customer_id", customer.ID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -132,6 +149,13 @@ func (h *ProductsHandler) AddToFavorites(c fiber.Ctx) error {
 
 	err = h.productService.AddToFavorites(userID, uint(productID))
 	if err != nil {
+
+		logger.Error("failed to add to favorites",
+			"handler", "ProductsHandler.AddToFavorites",
+			"user_id", userID,
+			"product_id", productID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -156,6 +180,12 @@ func (h *ProductsHandler) RemoveFromFavorites(c fiber.Ctx) error {
 
 	err = h.productService.RemoveFromFavorites(userID, uint(productID))
 	if err != nil {
+		logger.Error("failed to remove from favorites",
+			"handler", "ProductsHandler.RemoveFromFavorites",
+			"user_id", userID,
+			"product_id", productID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -180,6 +210,15 @@ func (h *ProductsHandler) ListProductVariants(c fiber.Ctx) error {
 
 	list, err := h.productService.GetProductAttributes(customer.LangID, uint(productID), constdata.SHOP_ID, customer.ID, customer.CountryID, constdata.DEFAULT_PRODUCT_QUANTITY)
 	if err != nil {
+
+		logger.Error("failed to list product variants",
+			"handler", "ProductsHandler.ListProductVariants",
+			"product_id", productID,
+			"customer_id", customer.ID,
+			"lang_id", customer.LangID,
+			"country_id", customer.CountryID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/productTranslation.go

@@ -9,6 +9,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/productTranslationService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -66,6 +67,13 @@ func (h *ProductTranslationHandler) GetProductDescription(c fiber.Ctx) error {
 
 	description, err := h.productTranslationService.GetProductDescription(userID, uint(productID), uint(productLangID))
 	if err != nil {
+
+		logger.Error("failed to get product description",
+			"handler", "ProductTranslationHandler.GetProductDescription",
+
+			"product_id", productID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -103,6 +111,13 @@ func (h *ProductTranslationHandler) SaveProductDescription(c fiber.Ctx) error {
 
 	err = h.productTranslationService.SaveProductDescription(userID, uint(productID), uint(productLangID), updates)
 	if err != nil {
+
+		logger.Error("failed to save product description",
+			"handler", "ProductTranslationHandler.SaveProductDescription",
+
+			"product_id", productID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -147,6 +162,13 @@ func (h *ProductTranslationHandler) TranslateProductDescription(c fiber.Ctx) err
 
 	description, err := h.productTranslationService.TranslateProductDescription(userID, uint(productID), uint(productFromLangID), uint(productToLangID), aiModel)
 	if err != nil {
+
+		logger.Error("failed to translate product description",
+			"handler", "ProductTranslationHandler.TranslateProductDescription",
+
+			"product_id", productID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/search.go

@@ -2,7 +2,6 @@ package restricted
 
 import (
 	"encoding/json"
-	"fmt"
 
 	"git.ma-al.com/goc_daniel/b2b/app/delivery/middleware"
 	"git.ma-al.com/goc_daniel/b2b/app/delivery/middleware/perms"
@@ -10,6 +9,7 @@ import (
 	searchservice "git.ma-al.com/goc_daniel/b2b/app/service/searchService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -47,7 +47,13 @@ func (h *MeiliSearchHandler) CreateIndex(c fiber.Ctx) error {
 
 	err := h.meiliService.CreateIndex(id_lang)
 	if err != nil {
-		fmt.Printf("CreateIndex error: %v\n", err)
+
+		logger.Error("failed to create search index",
+			"handler", "MeiliSearchHandler.CreateIndex",
+
+			"lang_id", id_lang,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -72,6 +78,13 @@ func (h *MeiliSearchHandler) Search(c fiber.Ctx) error {
 
 	result, err := h.searchService.Search(index, c.Body(), id_lang)
 	if err != nil {
+
+		logger.Error("failed to search",
+			"handler", "MeiliSearchHandler.Search",
+
+			"index", index,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -80,6 +93,13 @@ func (h *MeiliSearchHandler) Search(c fiber.Ctx) error {
 		if createErr := h.meiliService.CreateIndex(id_lang); createErr == nil {
 			result, err = h.searchService.Search(index, c.Body(), id_lang)
 			if err != nil {
+
+				logger.Error("failed to search after index creation",
+					"handler", "MeiliSearchHandler.Search",
+
+					"index", index,
+					"error", err.Error(),
+				)
 				return c.Status(responseErrors.GetErrorStatus(err)).
 					JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 			}
@@ -100,6 +120,13 @@ func (h *MeiliSearchHandler) GetSettings(c fiber.Ctx) error {
 
 	result, err := h.searchService.GetIndexSettings(index)
 	if err != nil {
+
+		logger.Error("failed to get index settings",
+			"handler", "MeiliSearchHandler.GetSettings",
+
+			"index", index,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/specificPrice.go

@@ -9,6 +9,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/model"
 	"git.ma-al.com/goc_daniel/b2b/app/service/specificPriceService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -51,6 +52,12 @@ func (h *SpecificPriceHandler) Create(c fiber.Ctx) error {
 
 	result, err := h.SpecificPriceService.Create(c.Context(), &pr)
 	if err != nil {
+
+		logger.Error("failed to create specific price",
+			"handler", "SpecificPriceHandler.Create",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -74,6 +81,13 @@ func (h *SpecificPriceHandler) Update(c fiber.Ctx) error {
 
 	result, err := h.SpecificPriceService.Update(c.Context(), id, &pr)
 	if err != nil {
+
+		logger.Error("failed to update specific price",
+			"handler", "SpecificPriceHandler.Update",
+
+			"specific_price_id", id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -84,6 +98,12 @@ func (h *SpecificPriceHandler) Update(c fiber.Ctx) error {
 func (h *SpecificPriceHandler) List(c fiber.Ctx) error {
 	result, err := h.SpecificPriceService.List(c.Context())
 	if err != nil {
+
+		logger.Error("failed to list specific prices",
+			"handler", "SpecificPriceHandler.List",
+
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -101,6 +121,13 @@ func (h *SpecificPriceHandler) GetByID(c fiber.Ctx) error {
 
 	result, err := h.SpecificPriceService.GetByID(c.Context(), id)
 	if err != nil {
+
+		logger.Error("failed to get specific price",
+			"handler", "SpecificPriceHandler.GetByID",
+
+			"specific_price_id", id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -118,6 +145,13 @@ func (h *SpecificPriceHandler) Activate(c fiber.Ctx) error {
 
 	err = h.SpecificPriceService.SetActive(c.Context(), id, true)
 	if err != nil {
+
+		logger.Error("failed to activate specific price",
+			"handler", "SpecificPriceHandler.Activate",
+
+			"specific_price_id", id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -135,6 +169,13 @@ func (h *SpecificPriceHandler) Deactivate(c fiber.Ctx) error {
 
 	err = h.SpecificPriceService.SetActive(c.Context(), id, false)
 	if err != nil {
+
+		logger.Error("failed to deactivate specific price",
+			"handler", "SpecificPriceHandler.Deactivate",
+
+			"specific_price_id", id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -152,6 +193,13 @@ func (h *SpecificPriceHandler) Delete(c fiber.Ctx) error {
 
 	err = h.SpecificPriceService.Delete(c.Context(), id)
 	if err != nil {
+
+		logger.Error("failed to delete specific price",
+			"handler", "SpecificPriceHandler.Delete",
+
+			"specific_price_id", id,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}

app/delivery/web/api/restricted/storage.go

@@ -9,6 +9,7 @@ import (
 	"git.ma-al.com/goc_daniel/b2b/app/service/storageService"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/localeExtractor"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/logger"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/nullable"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
@@ -52,6 +53,12 @@ func (h *StorageHandler) ListContent(c fiber.Ctx) error {
 	entries_in_list, err := h.storageService.ListContent(abs_path)
 
 	if err != nil {
+
+		logger.Error("failed to list storage content",
+			"handler", "StorageHandler.ListContent",
+			"path", abs_path,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -68,6 +75,12 @@ func (h *StorageHandler) DownloadFile(c fiber.Ctx) error {
 
 	f, filename, filesize, err := h.storageService.DownloadFilePrep(abs_path)
 	if err != nil {
+
+		logger.Error("failed to prepare file download",
+			"handler", "StorageHandler.DownloadFile",
+			"path", abs_path,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
@@ -87,6 +100,12 @@ func (h *StorageHandler) CreateNewWebdavToken(c fiber.Ctx) error {
 
 	new_token, err := h.storageService.NewWebdavToken(userID)
 	if err != nil {
+
+		logger.Error("failed to create webdav token",
+			"handler", "StorageHandler.CreateNewWebdavToken",
+			"user_id", userID,
+			"error", err.Error(),
+		)
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}