go routine and removing cart

Reviewed-on: #57
Reviewed-by: Wiktor Dudzic <dudzic_wiktor@ma-al.com>

app/delivery/middleware/perms/permissions.go

@@ -7,4 +7,6 @@ const (
 	UserWriteAny    Permission = "user.write.any"
 	UserDeleteAny   Permission = "user.delete.any"
 	CurrencyWrite   Permission = "currency.write"
+	ViewAllOrders   Permission = "orders.view"
+	ModifyAllOrders Permission = "orders.modify"
 )

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

@@ -124,13 +124,13 @@ func (h *AddressesHandler) RetrieveAddressesInfo(c fiber.Ctx) error {
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
 	}
 
-	addresses_info, err := h.addressesService.RetrieveAddressesInfo(userID)
+	addresses, err := h.addressesService.RetrieveAddresses(userID)
 	if err != nil {
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
 	}
 
-	return c.JSON(response.Make(&addresses_info, 0, i18n.T_(c, response.Message_OK)))
+	return c.JSON(response.Make(addresses, 0, i18n.T_(c, response.Message_OK)))
 }
 
 func (h *AddressesHandler) DeleteAddress(c fiber.Ctx) error {

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

@@ -0,0 +1,171 @@
+package restricted
+
+import (
+	"strconv"
+
+	"git.ma-al.com/goc_daniel/b2b/app/model"
+	"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/nullable"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/query/query_params"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/response"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
+	"github.com/gofiber/fiber/v3"
+)
+
+type OrdersHandler struct {
+	ordersService *orderService.OrderService
+}
+
+func NewOrdersHandler() *OrdersHandler {
+	ordersService := orderService.New()
+	return &OrdersHandler{
+		ordersService: ordersService,
+	}
+}
+
+func OrdersHandlerRoutes(r fiber.Router) fiber.Router {
+	handler := NewOrdersHandler()
+
+	r.Get("/list", handler.ListOrders)
+	r.Post("/place-new-order", handler.PlaceNewOrder)
+	r.Post("/change-order-address", handler.ChangeOrderAddress)
+	r.Get("/change-order-status", handler.ChangeOrderStatus)
+
+	return r
+}
+
+// when a user (not admin) wants to list orders, we automatically append filter to only view his orders.
+// we base permissions and user based on target user only.
+func (h *OrdersHandler) ListOrders(c fiber.Ctx) error {
+	user, ok := localeExtractor.GetCustomer(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	paging, filters, err := query_params.ParseFilters[model.CustomerOrder](c, columnMappingListOrders)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	list, err := h.ordersService.Find(user, paging, filters)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	return c.JSON(response.Make(&list.Items, int(list.Count), i18n.T_(c, response.Message_OK)))
+}
+
+var columnMappingListOrders map[string]string = map[string]string{
+	"order_id":   "b2b_customer_orders.order_id",
+	"user_id":    "b2b_customer_orders.user_id",
+	"name":       "b2b_customer_orders.name",
+	"country_id": "b2b_customer_orders.country_id",
+	"status":     "b2b_customer_orders.status",
+}
+
+func (h *OrdersHandler) PlaceNewOrder(c fiber.Ctx) error {
+	userID, ok := localeExtractor.GetUserID(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	cart_id_attribute := c.Query("cart_id")
+	cart_id, err := strconv.Atoi(cart_id_attribute)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrBadAttribute)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrBadAttribute)))
+	}
+
+	country_id_attribute := c.Query("country_id")
+	country_id, err := strconv.Atoi(country_id_attribute)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrBadAttribute)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrBadAttribute)))
+	}
+
+	address_info := string(c.Body())
+	if address_info == "" {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	name := c.Query("name")
+
+	err = h.ordersService.PlaceNewOrder(userID, uint(cart_id), name, uint(country_id), address_info)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	return c.JSON(response.Make(nullable.GetNil(""), 0, i18n.T_(c, response.Message_OK)))
+}
+
+// we base permissions and user based on target user only.
+func (h *OrdersHandler) ChangeOrderAddress(c fiber.Ctx) error {
+	user, ok := localeExtractor.GetCustomer(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	order_id_attribute := c.Query("order_id")
+	order_id, err := strconv.Atoi(order_id_attribute)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrBadAttribute)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrBadAttribute)))
+	}
+
+	country_id_attribute := c.Query("country_id")
+	country_id, err := strconv.Atoi(country_id_attribute)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrBadAttribute)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrBadAttribute)))
+	}
+
+	address_info := string(c.Body())
+	if address_info == "" {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	err = h.ordersService.ChangeOrderAddress(user, uint(order_id), uint(country_id), address_info)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	return c.JSON(response.Make(nullable.GetNil(""), 0, i18n.T_(c, response.Message_OK)))
+}
+
+// we base permissions and user based on target user only.
+// TODO: well, permissions and all that.
+func (h *OrdersHandler) ChangeOrderStatus(c fiber.Ctx) error {
+	user, ok := localeExtractor.GetCustomer(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	order_id_attribute := c.Query("order_id")
+	order_id, err := strconv.Atoi(order_id_attribute)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrBadAttribute)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrBadAttribute)))
+	}
+
+	status := c.Query("status")
+
+	err = h.ordersService.ChangeOrderStatus(user, uint(order_id), status)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	return c.JSON(response.Make(nullable.GetNil(""), 0, i18n.T_(c, response.Message_OK)))
+}

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

@@ -34,6 +34,8 @@ func ProductsHandlerRoutes(r fiber.Router) fiber.Router {
 
 	r.Get("/:id/:country_id/:quantity", handler.GetProductJson)
 	r.Get("/list", handler.ListProducts)
+	r.Post("/favorite/:product_id", handler.AddToFavorites)
+	r.Delete("/favorite/:product_id", handler.RemoveFromFavorites)
 
 	return r
 }
@@ -90,7 +92,13 @@ func (h *ProductsHandler) ListProducts(c fiber.Ctx) error {
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrBadAttribute)))
 	}
 
-	list, err := h.productService.Find(id_lang, paging, filters)
+	userID, ok := localeExtractor.GetUserID(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	list, err := h.productService.Find(id_lang, userID, paging, filters)
 	if err != nil {
 		return c.Status(responseErrors.GetErrorStatus(err)).
 			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
@@ -106,4 +114,53 @@ var columnMappingListProducts map[string]string = map[string]string{
 	"category_name": "cl.name",
 	"category_id":   "cp.id_category",
 	"quantity":      "sa.quantity",
+	"is_favorite":   "ps.is_favorite",
+}
+
+func (h *ProductsHandler) AddToFavorites(c fiber.Ctx) error {
+	productIDStr := c.Params("product_id")
+
+	productID, err := strconv.Atoi(productIDStr)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	userID, ok := localeExtractor.GetUserID(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	err = h.productService.AddToFavorites(userID, uint(productID))
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	return c.JSON(response.Make(nullable.GetNil(""), 0, i18n.T_(c, response.Message_OK)))
+}
+
+func (h *ProductsHandler) RemoveFromFavorites(c fiber.Ctx) error {
+	productIDStr := c.Params("product_id")
+
+	productID, err := strconv.Atoi(productIDStr)
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	userID, ok := localeExtractor.GetUserID(c)
+	if !ok {
+		return c.Status(responseErrors.GetErrorStatus(responseErrors.ErrInvalidBody)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, responseErrors.ErrInvalidBody)))
+	}
+
+	err = h.productService.RemoveFromFavorites(userID, uint(productID))
+	if err != nil {
+		return c.Status(responseErrors.GetErrorStatus(err)).
+			JSON(response.Make(nullable.GetNil(""), 0, responseErrors.GetErrorCode(c, err)))
+	}
+
+	return c.JSON(response.Make(nullable.GetNil(""), 0, i18n.T_(c, response.Message_OK)))
 }

app/delivery/web/init.go

@@ -132,6 +132,10 @@ func (s *Server) Setup() error {
 	carts := s.restricted.Group("/carts")
 	restricted.CartsHandlerRoutes(carts)
 
+	// orders (restricted)
+	orders := s.restricted.Group("/orders")
+	restricted.OrdersHandlerRoutes(orders)
+
 	// addresses (restricted)
 	addresses := s.restricted.Group("/addresses")
 	restricted.AddressesHandlerRoutes(addresses)

app/model/address.go

@@ -3,7 +3,8 @@ package model
 type Address struct {
 	ID              uint             `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
 	CustomerID      uint             `gorm:"column:b2b_customer_id;not null;index" json:"customer_id"`
-	AddressInfo string `gorm:"column:address_info;not null" json:"address_info"`
+	AddressString   string           `gorm:"column:address_string;not null" json:"address_string"`
+	AddressUnparsed *AddressUnparsed `gorm:"-" json:"address_unparsed"`
 	CountryID       uint             `gorm:"column:b2b_country_id;not null" json:"country_id"`
 }
 
@@ -11,15 +12,7 @@ func (Address) TableName() string {
 	return "b2b_addresses"
 }
 
-type AddressUnparsed struct {
+type AddressUnparsed interface{}
-	ID          uint         `gorm:"column:id;primaryKey;autoIncrement" json:"id"`
-	CustomerID  uint         `gorm:"column:b2b_customer_id;not null;index" json:"customer_id"`
-	AddressInfo AddressField `gorm:"column:address_info;not null" json:"address_info"`
-	CountryID   uint         `gorm:"column:b2b_country_id;not null" json:"country_id"`
-}
-
-type AddressField interface {
-}
 
 // Address template in Poland
 type AddressPL struct {

app/model/order.go

@@ -0,0 +1,27 @@
+package model
+
+type CustomerOrder struct {
+	OrderID         uint             `gorm:"column:order_id;primaryKey;autoIncrement" json:"order_id"`
+	UserID          uint             `gorm:"column:user_id;not null;index" json:"user_id"`
+	Name            string           `gorm:"column:name;not null" json:"name"`
+	CountryID       uint             `gorm:"column:country_id;not null" json:"country_id"`
+	AddressString   string           `gorm:"column:address_string;not null" json:"address_string"`
+	AddressUnparsed *AddressUnparsed `gorm:"-" json:"address_unparsed"`
+	Status          string           `gorm:"column:status;size:50;not null" json:"status"`
+	Products        []OrderProduct   `gorm:"foreignKey:OrderID;references:OrderID" json:"products"`
+}
+
+func (CustomerOrder) TableName() string {
+	return "b2b_customer_orders"
+}
+
+type OrderProduct struct {
+	OrderID            uint  `gorm:"column:order_id;not null;index" json:"-"`
+	ProductID          uint  `gorm:"column:product_id;not null" json:"product_id"`
+	ProductAttributeID *uint `gorm:"column:product_attribute_id" json:"product_attribute_id,omitempty"`
+	Amount             uint  `gorm:"column:amount;not null" json:"amount"`
+}
+
+func (OrderProduct) TableName() string {
+	return "b2b_orders_products"
+}

app/model/product.go

@@ -70,6 +70,7 @@ type ProductInList struct {
 	Reference      string `gorm:"column:reference" json:"reference"`
 	VariantsNumber uint   `gorm:"column:variants_number" json:"variants_number"`
 	Quantity       int64  `gorm:"column:quantity" json:"quantity"`
+	IsFavorite     bool   `gorm:"column:is_favorite" json:"is_favorite"`
 }
 
 type ProductFilters struct {
@@ -85,3 +86,12 @@ type ProductFilters struct {
 }
 
 type FeatVal = map[uint][]uint
+
+type B2bFavorite struct {
+	UserID    uint `gorm:"column:user_id;not null;primaryKey" json:"user_id"`
+	ProductID uint `gorm:"column:product_id;not null;primaryKey" json:"product_id"`
+}
+
+func (*B2bFavorite) TableName() string {
+	return "b2b_favorites"
+}

app/repos/addressesRepo/addressesRepo.go

@@ -49,7 +49,7 @@ func (repo *AddressesRepo) UserAddressesAmt(user_id uint) (uint, error) {
 func (repo *AddressesRepo) AddNewAddress(user_id uint, address_info string, country_id uint) error {
 	address := model.Address{
 		CustomerID:    user_id,
-		AddressInfo: address_info,
+		AddressString: address_info,
 		CountryID:     country_id,
 	}
 
@@ -62,7 +62,7 @@ func (repo *AddressesRepo) UpdateAddress(user_id uint, address_id uint, address_
 	address := model.Address{
 		ID:            address_id,
 		CustomerID:    user_id,
-		AddressInfo: address_info,
+		AddressString: address_info,
 		CountryID:     country_id,
 	}
 

app/repos/cartsRepo/cartsRepo.go

@@ -9,11 +9,12 @@ import (
 type UICartsRepo interface {
 	CartsAmount(user_id uint) (uint, error)
 	CreateNewCart(user_id uint) (model.CustomerCart, error)
-	UserHasCart(user_id uint, cart_id uint) (uint, error)
+	RemoveCart(user_id uint, cart_id uint) error
+	UserHasCart(user_id uint, cart_id uint) (bool, error)
 	UpdateCartName(user_id uint, cart_id uint, new_name string) error
 	RetrieveCartsInfo(user_id uint) ([]model.CustomerCart, error)
 	RetrieveCart(user_id uint, cart_id uint) (*model.CustomerCart, error)
-	CheckProductExists(product_id uint, product_attribute_id *uint) (uint, error)
+	CheckProductExists(product_id uint, product_attribute_id *uint) (bool, error)
 	AddProduct(user_id uint, cart_id uint, product_id uint, product_attribute_id *uint, amount uint) error
 }
 
@@ -49,7 +50,15 @@ func (repo *CartsRepo) CreateNewCart(user_id uint) (model.CustomerCart, error) {
 	return cart, err
 }
 
-func (repo *CartsRepo) UserHasCart(user_id uint, cart_id uint) (uint, error) {
+func (repo *CartsRepo) RemoveCart(user_id uint, cart_id uint) error {
+	return db.DB.
+		Table("b2b_customer_carts").
+		Where("cart_id = ? AND user_id = ?", cart_id, user_id).
+		Delete(nil).
+		Error
+}
+
+func (repo *CartsRepo) UserHasCart(user_id uint, cart_id uint) (bool, error) {
 	var amt uint
 
 	err := db.DB.
@@ -59,7 +68,7 @@ func (repo *CartsRepo) UserHasCart(user_id uint, cart_id uint) (uint, error) {
 		Scan(&amt).
 		Error
 
-	return amt, err
+	return amt >= 1, err
 }
 
 func (repo *CartsRepo) UpdateCartName(user_id uint, cart_id uint, new_name string) error {
@@ -96,7 +105,7 @@ func (repo *CartsRepo) RetrieveCart(user_id uint, cart_id uint) (*model.Customer
 	return &cart, err
 }
 
-func (repo *CartsRepo) CheckProductExists(product_id uint, product_attribute_id *uint) (uint, error) {
+func (repo *CartsRepo) CheckProductExists(product_id uint, product_attribute_id *uint) (bool, error) {
 	var amt uint
 
 	if product_attribute_id == nil {
@@ -106,7 +115,7 @@ func (repo *CartsRepo) CheckProductExists(product_id uint, product_attribute_id
 			Where("id_product = ?", product_id).
 			Scan(&amt).
 			Error
-		return amt, err
+		return amt >= 1, err
 
 	} else {
 		err := db.DB.
@@ -116,7 +125,7 @@ func (repo *CartsRepo) CheckProductExists(product_id uint, product_attribute_id
 			Where("ps.id_product = ? AND pas.id_product_attribute = ?", product_id, *product_attribute_id).
 			Scan(&amt).
 			Error
-		return amt, err
+		return amt >= 1, err
 	}
 }
 

app/repos/ordersRepo/ordersRepo.go

@@ -0,0 +1,110 @@
+package ordersRepo
+
+import (
+	"git.ma-al.com/goc_daniel/b2b/app/db"
+	"git.ma-al.com/goc_daniel/b2b/app/model"
+	constdata "git.ma-al.com/goc_daniel/b2b/app/utils/const_data"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/query/filters"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/query/find"
+)
+
+type UIOrdersRepo interface {
+	UserHasOrder(user_id uint, order_id uint) (bool, error)
+	Find(user_id uint, p find.Paging, filt *filters.FiltersList) (*find.Found[model.CustomerOrder], error)
+	PlaceNewOrder(cart *model.CustomerCart, name string, country_id uint, address_info string) error
+	ChangeOrderAddress(order_id uint, country_id uint, address_info string) error
+	ChangeOrderStatus(order_id uint, status string) error
+}
+
+type OrdersRepo struct{}
+
+func New() UIOrdersRepo {
+	return &OrdersRepo{}
+}
+
+func (repo *OrdersRepo) UserHasOrder(user_id uint, order_id uint) (bool, error) {
+	var amt uint
+
+	err := db.DB.
+		Table("b2b_customer_orders").
+		Select("COUNT(*) AS amt").
+		Where("user_id = ? AND order_id = ?", user_id, order_id).
+		Scan(&amt).
+		Error
+
+	return amt >= 1, err
+}
+
+func (repo *OrdersRepo) Find(user_id uint, p find.Paging, filt *filters.FiltersList) (*find.Found[model.CustomerOrder], error) {
+	var list []model.CustomerOrder
+	var total int64
+
+	query := db.Get().
+		Model(&model.CustomerOrder{}).
+		Preload("Products").
+		Order("b2b_customer_orders.order_id DESC")
+
+	// Apply all filters
+	if filt != nil {
+		filt.ApplyAll(query)
+	}
+
+	//  run counter first as query is without limit and offset
+	err := query.Count(&total).Error
+	if err != nil {
+		return &find.Found[model.CustomerOrder]{}, err
+	}
+
+	err = query.
+		Limit(p.Limit()).
+		Offset(p.Offset()).
+		Find(&list).Error
+	if err != nil {
+		return &find.Found[model.CustomerOrder]{}, err
+	}
+
+	return &find.Found[model.CustomerOrder]{
+		Items: list,
+		Count: uint(total),
+	}, nil
+}
+
+func (repo *OrdersRepo) PlaceNewOrder(cart *model.CustomerCart, name string, country_id uint, address_info string) error {
+	order := model.CustomerOrder{
+		UserID:        cart.UserID,
+		Name:          name,
+		CountryID:     country_id,
+		AddressString: address_info,
+		Status:        constdata.NEW_ORDER_STATUS,
+		Products:      make([]model.OrderProduct, 0, len(cart.Products)),
+	}
+
+	for _, product := range cart.Products {
+		order.Products = append(order.Products, model.OrderProduct{
+			ProductID:          product.ProductID,
+			ProductAttributeID: product.ProductAttributeID,
+			Amount:             product.Amount,
+		})
+	}
+
+	return db.DB.Create(&order).Error
+}
+
+func (repo *OrdersRepo) ChangeOrderAddress(order_id uint, country_id uint, address_info string) error {
+	return db.DB.
+		Table("b2b_customer_orders").
+		Where("order_id = ?", order_id).
+		Updates(map[string]interface{}{
+			"country_id":     country_id,
+			"address_string": address_info,
+		}).
+		Error
+}
+
+func (repo *OrdersRepo) ChangeOrderStatus(order_id uint, status string) error {
+	return db.DB.
+		Table("b2b_customer_orders").
+		Where("order_id = ?", order_id).
+		Update("status", status).
+		Error
+}

app/repos/productsRepo/productsRepo.go

@@ -16,7 +16,11 @@ import (
 
 type UIProductsRepo interface {
 	GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_customer, b2b_id_country, p_quantity int) (*json.RawMessage, error)
-	Find(id_lang uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error)
+	Find(id_lang, userID uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error)
+	AddToFavorites(userID uint, productID uint) error
+	RemoveFromFavorites(userID uint, productID uint) error
+	ExistsInFavorites(userID uint, productID uint) (bool, error)
+	ProductInDatabase(productID uint) (bool, error)
 }
 
 type ProductsRepo struct{}
@@ -37,7 +41,6 @@ func (repo *ProductsRepo) GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_custo
 		return nil, err
 	}
 
-	// Optional: validate it's valid JSON
 	if !json.Valid([]byte(productStr)) {
 		return nil, fmt.Errorf("invalid json returned from stored procedure")
 	}
@@ -46,7 +49,7 @@ func (repo *ProductsRepo) GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_custo
 	return &raw, nil
 }
 
-func (repo *ProductsRepo) Find(id_lang uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error) {
+func (repo *ProductsRepo) Find(id_lang, userID uint, p find.Paging, filt *filters.FiltersList) (find.Found[model.ProductInList], error) {
 	var list []model.ProductInList
 	var total int64
 
@@ -60,7 +63,8 @@ func (repo *ProductsRepo) Find(id_lang uint, p find.Paging, filt *filters.Filter
 			cl.name AS category_name,
 			p.reference AS reference,
 			COALESCE(v.variants_number, 0) AS variants_number,
-            sa.quantity AS quantity
+			sa.quantity AS quantity,
+			COALESCE(f.is_favorite, 0) AS is_favorite
     	`, config.Get().Image.ImagePrefix).
 		Joins("JOIN "+dbmodel.PsProductCols.IDProduct.Tab()+" p ON p.id_product = ps.id_product").
 		Joins("JOIN ps_product_lang pl ON pl.id_product = ps.id_product AND pl.id_lang = ?", id_lang).
@@ -68,15 +72,37 @@ func (repo *ProductsRepo) Find(id_lang uint, p find.Paging, filt *filters.Filter
 		Joins("JOIN ps_category_lang cl ON cl.id_category = ps.id_category_default AND cl.id_lang = ?", id_lang).
 		Joins("JOIN ps_category_product cp ON cp.id_product = ps.id_product").
 		Joins("LEFT JOIN variants v ON v.id_product = ps.id_product").
+		Joins("LEFT JOIN favorites f ON f.id_product = ps.id_product").
 		Joins("LEFT JOIN ps_stock_available sa ON sa.id_product = ps.id_product AND sa.id_product_attribute = 0").
 		Where("ps.active = ?", 1).
 		Group("ps.id_product").
-		Clauses(exclause.With{CTEs: []exclause.CTE{
+		Clauses(exclause.With{
+			CTEs: []exclause.CTE{
 				{
 					Name: "variants",
-				Subquery: exclause.Subquery{DB: db.Get().Model(&dbmodel.PsProductAttributeShop{}).Select("id_product", "COUNT(*) AS variants_number").Group("id_product")},
+					Subquery: exclause.Subquery{
+						DB: db.Get().
+							Model(&dbmodel.PsProductAttributeShop{}).
+							Select("id_product", "COUNT(*) AS variants_number").
+							Group("id_product"),
 					},
-		}}).
+				},
+
+				{
+					Name: "favorites",
+					Subquery: exclause.Subquery{
+						DB: db.Get().
+							Table("b2b_favorites").
+							Select(`
+								product_id AS id_product,
+								COUNT(*) > 0 AS is_favorite
+							`).
+							Where("user_id = ?", userID).
+							Group("product_id"),
+					},
+				},
+			},
+		}).
 		Order("ps.id_product DESC")
 
 	// Apply all filters
@@ -103,3 +129,35 @@ func (repo *ProductsRepo) Find(id_lang uint, p find.Paging, filt *filters.Filter
 		Count: uint(total),
 	}, nil
 }
+
+func (repo *ProductsRepo) AddToFavorites(userID uint, productID uint) error {
+	fav := model.B2bFavorite{
+		UserID:    userID,
+		ProductID: productID,
+	}
+	return db.Get().Create(&fav).Error
+}
+
+func (repo *ProductsRepo) RemoveFromFavorites(userID uint, productID uint) error {
+	return db.Get().
+		Where("user_id = ? AND product_id = ?", userID, productID).
+		Delete(&model.B2bFavorite{}).Error
+}
+
+func (repo *ProductsRepo) ExistsInFavorites(userID uint, productID uint) (bool, error) {
+	var count int64
+	err := db.Get().
+		Table("b2b_favorites").
+		Where("user_id = ? AND product_id = ?", userID, productID).
+		Count(&count).Error
+	return count >= 1, err
+}
+
+func (repo *ProductsRepo) ProductInDatabase(productID uint) (bool, error) {
+	var count int64
+	err := db.Get().
+		Table(dbmodel.TableNamePsProduct).
+		Where(dbmodel.PsProductCols.IDProduct.Col()+" = ?", productID).
+		Count(&count).Error
+	return count >= 1, err
+}

app/service/addressesService/addressesService.go

@@ -21,7 +21,7 @@ func New() *AddressesService {
 	}
 }
 
-func (s *AddressesService) GetTemplate(country_id uint) (model.AddressField, error) {
+func (s *AddressesService) GetTemplate(country_id uint) (model.AddressUnparsed, error) {
 	switch country_id {
 
 	case 1: // Poland
@@ -49,7 +49,7 @@ func (s *AddressesService) AddNewAddress(user_id uint, address_info string, coun
 		return responseErrors.ErrMaxAmtOfAddressesReached
 	}
 
-	_, err = s.validateAddressJson(address_info, country_id)
+	_, err = s.ValidateAddressJson(address_info, country_id)
 	if err != nil {
 		return err
 	}
@@ -66,7 +66,7 @@ func (s *AddressesService) ModifyAddress(user_id uint, address_id uint, address_
 		return responseErrors.ErrUserHasNoSuchAddress
 	}
 
-	_, err = s.validateAddressJson(address_info, country_id)
+	_, err = s.ValidateAddressJson(address_info, country_id)
 	if err != nil {
 		return err
 	}
@@ -74,30 +74,23 @@ func (s *AddressesService) ModifyAddress(user_id uint, address_id uint, address_
 	return s.repo.UpdateAddress(user_id, address_id, address_info, country_id)
 }
 
-func (s *AddressesService) RetrieveAddressesInfo(user_id uint) (*[]model.AddressUnparsed, error) {
+func (s *AddressesService) RetrieveAddresses(user_id uint) (*[]model.Address, error) {
-	parsed_addresses, err := s.repo.RetrieveAddresses(user_id)
+	addresses, err := s.repo.RetrieveAddresses(user_id)
 	if err != nil {
 		return nil, err
 	}
 
-	var unparsed_addresses []model.AddressUnparsed
+	for i := 0; i < len(*addresses); i++ {
-
+		address_unparsed, err := s.ValidateAddressJson((*addresses)[i].AddressString, (*addresses)[i].CountryID)
-	for i := 0; i < len(*parsed_addresses); i++ {
-		var next_address model.AddressUnparsed
-		next_address.ID = (*parsed_addresses)[i].ID
-		next_address.CustomerID = (*parsed_addresses)[i].CustomerID
-		next_address.CountryID = (*parsed_addresses)[i].CountryID
-
-		next_address.AddressInfo, err = s.validateAddressJson((*parsed_addresses)[i].AddressInfo, next_address.CountryID)
 		// log such errors
 		if err != nil {
 			fmt.Printf("err: %v\n", err)
 		}
 
-		unparsed_addresses = append(unparsed_addresses, next_address)
+		(*addresses)[i].AddressUnparsed = &address_unparsed
 	}
 
-	return &unparsed_addresses, nil
+	return addresses, nil
 }
 
 func (s *AddressesService) DeleteAddress(user_id uint, address_id uint) error {
@@ -112,7 +105,7 @@ func (s *AddressesService) DeleteAddress(user_id uint, address_id uint) error {
 }
 
 // validateAddressJson makes sure that the info string represents a valid json of address in given country
-func (s *AddressesService) validateAddressJson(info string, country_id uint) (model.AddressField, error) {
+func (s *AddressesService) ValidateAddressJson(info string, country_id uint) (model.AddressUnparsed, error) {
 	dec := json.NewDecoder(strings.NewReader(info))
 	dec.DisallowUnknownFields()
 

app/service/cartsService/cartsService.go

@@ -34,12 +34,24 @@ func (s *CartsService) CreateNewCart(user_id uint) (model.CustomerCart, error) {
 	return cart, nil
 }
 
-func (s *CartsService) UpdateCartName(user_id uint, cart_id uint, new_name string) error {
+func (s *CartsService) RemoveCart(user_id uint, cart_id uint) error {
-	amt, err := s.repo.UserHasCart(user_id, cart_id)
+	exists, err := s.repo.UserHasCart(user_id, cart_id)
 	if err != nil {
 		return err
 	}
-	if amt != 1 {
+	if !exists {
+		return responseErrors.ErrUserHasNoSuchCart
+	}
+
+	return s.repo.RemoveCart(user_id, cart_id)
+}
+
+func (s *CartsService) UpdateCartName(user_id uint, cart_id uint, new_name string) error {
+	exists, err := s.repo.UserHasCart(user_id, cart_id)
+	if err != nil {
+		return err
+	}
+	if !exists {
 		return responseErrors.ErrUserHasNoSuchCart
 	}
 
@@ -51,11 +63,11 @@ func (s *CartsService) RetrieveCartsInfo(user_id uint) ([]model.CustomerCart, er
 }
 
 func (s *CartsService) RetrieveCart(user_id uint, cart_id uint) (*model.CustomerCart, error) {
-	amt, err := s.repo.UserHasCart(user_id, cart_id)
+	exists, err := s.repo.UserHasCart(user_id, cart_id)
 	if err != nil {
 		return nil, err
 	}
-	if amt != 1 {
+	if !exists {
 		return nil, responseErrors.ErrUserHasNoSuchCart
 	}
 
@@ -63,19 +75,19 @@ func (s *CartsService) RetrieveCart(user_id uint, cart_id uint) (*model.Customer
 }
 
 func (s *CartsService) AddProduct(user_id uint, cart_id uint, product_id uint, product_attribute_id *uint, amount uint) error {
-	amt, err := s.repo.UserHasCart(user_id, cart_id)
+	exists, err := s.repo.UserHasCart(user_id, cart_id)
 	if err != nil {
 		return err
 	}
-	if amt != 1 {
+	if !exists {
 		return responseErrors.ErrUserHasNoSuchCart
 	}
 
-	amt, err = s.repo.CheckProductExists(product_id, product_attribute_id)
+	exists, err = s.repo.CheckProductExists(product_id, product_attribute_id)
 	if err != nil {
 		return err
 	}
-	if amt != 1 {
+	if !exists {
 		return responseErrors.ErrProductOrItsVariationDoesNotExist
 	}
 

app/service/emailService/email.go

@@ -117,6 +117,18 @@ func (s *EmailService) SendNewUserAdminNotification(userEmail, userName, baseURL
 	return s.SendEmail(s.config.AdminEmail, subject, body)
 }
 
+// SendNewOrderPlacedNotification sends an email to admin when new order is placed
+func (s *EmailService) SendNewOrderPlacedNotification(userID uint) error {
+	if s.config.AdminEmail == "" {
+		return nil // No admin email configured
+	}
+
+	subject := "New Order Created"
+	body := s.newOrderPlacedTemplate(userID)
+
+	return s.SendEmail(s.config.AdminEmail, subject, body)
+}
+
 // verificationEmailTemplate returns the HTML template for email verification
 func (s *EmailService) verificationEmailTemplate(name, verificationURL string, langID uint) string {
 	buf := bytes.Buffer{}
@@ -137,3 +149,10 @@ func (s *EmailService) newUserAdminNotificationTemplate(userEmail, userName, bas
 	emails.EmailAdminNotificationWrapper(view.EmailLayout[view.EmailAdminNotificationData]{LangID: constdata.ADMIN_NOTIFICATION_LANGUAGE, Data: view.EmailAdminNotificationData{UserEmail: userEmail, UserName: userName, BaseURL: baseURL}}).Render(context.Background(), &buf)
 	return buf.String()
 }
+
+// newUserAdminNotificationTemplate returns the HTML template for admin notification
+func (s *EmailService) newOrderPlacedTemplate(userID uint) string {
+	buf := bytes.Buffer{}
+	emails.EmailNewOrderPlacedWrapper(view.EmailLayout[view.EmailNewOrderPlacedData]{LangID: constdata.ADMIN_NOTIFICATION_LANGUAGE, Data: view.EmailNewOrderPlacedData{UserID: userID}}).Render(context.Background(), &buf)
+	return buf.String()
+}

app/service/orderService/orderService.go

@@ -0,0 +1,144 @@
+package orderService
+
+import (
+	"fmt"
+	"strconv"
+
+	"git.ma-al.com/goc_daniel/b2b/app/delivery/middleware/perms"
+	"git.ma-al.com/goc_daniel/b2b/app/model"
+	"git.ma-al.com/goc_daniel/b2b/app/repos/cartsRepo"
+	"git.ma-al.com/goc_daniel/b2b/app/repos/ordersRepo"
+	"git.ma-al.com/goc_daniel/b2b/app/service/addressesService"
+	"git.ma-al.com/goc_daniel/b2b/app/service/emailService"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/query/filters"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/query/find"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
+)
+
+type OrderService struct {
+	ordersRepo       ordersRepo.UIOrdersRepo
+	cartsRepo        cartsRepo.UICartsRepo
+	addressesService *addressesService.AddressesService
+	emailService     *emailService.EmailService
+}
+
+func New() *OrderService {
+	return &OrderService{
+		ordersRepo:       ordersRepo.New(),
+		cartsRepo:        cartsRepo.New(),
+		addressesService: addressesService.New(),
+		emailService:     emailService.NewEmailService(),
+	}
+}
+
+func (s *OrderService) Find(user *model.Customer, p find.Paging, filt *filters.FiltersList) (*find.Found[model.CustomerOrder], error) {
+	if !user.HasPermission(perms.ViewAllOrders) {
+		// append filter to view only this user's orders
+		idStr := strconv.FormatUint(uint64(user.ID), 10)
+		filt.Append(filters.Where("b2b_customer_orders.user_id = " + idStr))
+	}
+
+	list, err := s.ordersRepo.Find(user.ID, p, filt)
+	if err != nil {
+		return nil, err
+	}
+
+	for i := 0; i < len(list.Items); i++ {
+		address_unparsed, err := s.addressesService.ValidateAddressJson(list.Items[i].AddressString, list.Items[i].CountryID)
+		// log such errors
+		if err != nil {
+			fmt.Printf("err: %v\n", err)
+		}
+
+		list.Items[i].AddressUnparsed = &address_unparsed
+	}
+
+	return list, nil
+}
+
+func (s *OrderService) PlaceNewOrder(user_id uint, cart_id uint, name string, country_id uint, address_info string) error {
+	_, err := s.addressesService.ValidateAddressJson(address_info, country_id)
+	if err != nil {
+		return err
+	}
+
+	exists, err := s.cartsRepo.UserHasCart(user_id, cart_id)
+	if err != nil {
+		return err
+	}
+	if !exists {
+		return responseErrors.ErrUserHasNoSuchCart
+	}
+
+	cart, err := s.cartsRepo.RetrieveCart(user_id, cart_id)
+	if err != nil {
+		return err
+	}
+	if len(cart.Products) == 0 {
+		return responseErrors.ErrEmptyCart
+	}
+
+	if name == "" && cart.Name != nil {
+		name = *cart.Name
+	}
+
+	// all checks passed
+	err = s.ordersRepo.PlaceNewOrder(cart, name, country_id, address_info)
+	if err != nil {
+		return err
+	}
+	// from this point onward we do not cancel this order.
+
+	// if no error is returned, remove the cart. This should be smooth
+	err = s.cartsRepo.RemoveCart(user_id, cart_id)
+	if err != nil {
+		// Log error but don't fail placing order
+		_ = err
+	}
+
+	// send email to admin
+	go func(user_id uint) {
+		err := s.emailService.SendNewOrderPlacedNotification(user_id)
+		if err != nil {
+			// Log error but don't fail placing order
+			_ = err
+		}
+	}(user_id)
+
+	return nil
+}
+
+func (s *OrderService) ChangeOrderAddress(user *model.Customer, order_id uint, country_id uint, address_info string) error {
+	_, err := s.addressesService.ValidateAddressJson(address_info, country_id)
+	if err != nil {
+		return err
+	}
+
+	if !user.HasPermission(perms.ModifyAllOrders) {
+		exists, err := s.ordersRepo.UserHasOrder(user.ID, order_id)
+		if err != nil {
+			return err
+		}
+
+		if !exists {
+			return responseErrors.ErrUserHasNoSuchOrder
+		}
+	}
+
+	return s.ordersRepo.ChangeOrderAddress(order_id, country_id, address_info)
+}
+
+func (s *OrderService) ChangeOrderStatus(user *model.Customer, order_id uint, status string) error {
+	if !user.HasPermission(perms.ModifyAllOrders) {
+		exists, err := s.ordersRepo.UserHasOrder(user.ID, order_id)
+		if err != nil {
+			return err
+		}
+
+		if !exists {
+			return responseErrors.ErrUserHasNoSuchOrder
+		}
+	}
+
+	return s.ordersRepo.ChangeOrderStatus(order_id, status)
+}

app/service/productService/productService.go

@@ -8,6 +8,7 @@ import (
 	constdata "git.ma-al.com/goc_daniel/b2b/app/utils/const_data"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/filters"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/find"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
 )
 
 type ProductService struct {
@@ -29,6 +30,46 @@ func (s *ProductService) GetJSON(p_id_product, p_id_lang, p_id_customer, b2b_id_
 	return products, nil
 }
 
-func (s *ProductService) Find(id_lang uint, p find.Paging, filters *filters.FiltersList) (find.Found[model.ProductInList], error) {
+func (s *ProductService) Find(id_lang, userID uint, p find.Paging, filters *filters.FiltersList) (find.Found[model.ProductInList], error) {
-	return s.productsRepo.Find(id_lang, p, filters)
+	return s.productsRepo.Find(id_lang, userID, p, filters)
+}
+
+func (s *ProductService) AddToFavorites(userID uint, productID uint) error {
+	exists, err := s.productsRepo.ProductInDatabase(productID)
+	if err != nil {
+		return err
+	}
+	if !exists {
+		return responseErrors.ErrProductNotFound
+	}
+
+	exists, err = s.productsRepo.ExistsInFavorites(userID, productID)
+	if err != nil {
+		return err
+	}
+	if exists {
+		return responseErrors.ErrAlreadyInFavorites
+	}
+
+	return s.productsRepo.AddToFavorites(userID, productID)
+}
+
+func (s *ProductService) RemoveFromFavorites(userID uint, productID uint) error {
+	exists, err := s.productsRepo.ProductInDatabase(productID)
+	if err != nil {
+		return err
+	}
+	if !exists {
+		return responseErrors.ErrProductNotFound
+	}
+
+	exists, err = s.productsRepo.ExistsInFavorites(userID, productID)
+	if err != nil {
+		return err
+	}
+	if !exists {
+		return responseErrors.ErrNotInFavorites
+	}
+
+	return s.productsRepo.RemoveFromFavorites(userID, productID)
 }

app/templ/emails/emailNewOrderPlacedNotification.templ

@@ -0,0 +1,26 @@
+package emails
+
+import (
+	"git.ma-al.com/goc_daniel/b2b/app/templ/layout"
+	"git.ma-al.com/goc_daniel/b2b/app/view"
+	"git.ma-al.com/goc_daniel/b2b/app/utils/i18n"
+)
+
+templ EmailNewOrderPlacedWrapper(data view.EmailLayout[view.EmailNewOrderPlacedData]) {
+	@layout.Base( i18n.T___(data.LangID, "email.email_new_order_placed_notification_title")) {
+        <div class="container">
+            <div class="email-wrapper">
+                <div class="email-header">
+                    <h1>New Order Placed</h1>
+                </div>
+                <div class="email-body">
+                    <p>Hello Administrator,</p>
+                    <p>User with id { data.Data.UserID } has placed a new order. </p>
+                </div>
+                <div class="email-footer">
+                    <p>&copy; 2024 Gitea Manager. All rights reserved.</p>
+                </div>
+            </div>
+        </div>
+    }
+}

app/utils/const_data/consts.go

@@ -16,6 +16,9 @@ const MAX_AMOUNT_OF_ADDRESSES_PER_USER = 10
 
 const USER_LOCALE = "user"
 
+// ORDERS
+const NEW_ORDER_STATUS = "PENDING"
+
 // WEBDAV
 const NBYTES_IN_WEBDAV_TOKEN = 32
 const WEBDAV_HREF_ROOT = "http://localhost:3000/api/v1/webdav/storage"

app/utils/responseErrors/responseErrors.go

@@ -49,8 +49,11 @@ var (
 	ErrAIResponseFail = errors.New("AI responded with failure")
 	ErrAIBadOutput    = errors.New("AI response does not obey the format")
 
-	// Typed errors for product list handler
+	// Typed errors for product handler
 	ErrBadPaging          = errors.New("bad or missing paging attribute value in header")
+	ErrProductNotFound    = errors.New("product with provided id does not exist")
+	ErrAlreadyInFavorites = errors.New("the product already is in your favorites")
+	ErrNotInFavorites     = errors.New("the product already is not in your favorites")
 
 	// Typed errors for menu handler
 	ErrNoRootFound           = errors.New("no root found in categories table")
@@ -63,6 +66,10 @@ var (
 	ErrUserHasNoSuchCart                 = errors.New("user does not have cart with given id")
 	ErrProductOrItsVariationDoesNotExist = errors.New("product or its variation with given ids does not exist")
 
+	// Typed errors for orders handler
+	ErrEmptyCart          = errors.New("the cart is empty")
+	ErrUserHasNoSuchOrder = errors.New("user does not have order with given id")
+
 	// Typed errors for storage
 	ErrAccessDenied             = errors.New("access denied!")
 	ErrFolderDoesNotExist       = errors.New("folder does not exist")
@@ -170,6 +177,12 @@ func GetErrorCode(c fiber.Ctx, err error) string {
 
 	case errors.Is(err, ErrBadPaging):
 		return i18n.T_(c, "error.err_bad_paging")
+	case errors.Is(err, ErrProductNotFound):
+		return i18n.T_(c, "error.err_product_not_found")
+	case errors.Is(err, ErrAlreadyInFavorites):
+		return i18n.T_(c, "error.err_already_in_favorites")
+	case errors.Is(err, ErrNotInFavorites):
+		return i18n.T_(c, "error.err_already_not_in_favorites")
 
 	case errors.Is(err, ErrNoRootFound):
 		return i18n.T_(c, "error.err_no_root_found")
@@ -187,6 +200,11 @@ func GetErrorCode(c fiber.Ctx, err error) string {
 	case errors.Is(err, ErrProductOrItsVariationDoesNotExist):
 		return i18n.T_(c, "error.err_product_or_its_variation_does_not_exist")
 
+	case errors.Is(err, ErrEmptyCart):
+		return i18n.T_(c, "error.err_cart_is_empty")
+	case errors.Is(err, ErrUserHasNoSuchOrder):
+		return i18n.T_(c, "error.err_user_has_no_such_order")
+
 	case errors.Is(err, ErrAccessDenied):
 		return i18n.T_(c, "error.err_access_denied")
 	case errors.Is(err, ErrFolderDoesNotExist):
@@ -249,6 +267,9 @@ func GetErrorStatus(err error) int {
 		errors.Is(err, ErrInvalidURLSlug),
 		errors.Is(err, ErrInvalidXHTML),
 		errors.Is(err, ErrBadPaging),
+		errors.Is(err, ErrProductNotFound),
+		errors.Is(err, ErrAlreadyInFavorites),
+		errors.Is(err, ErrNotInFavorites),
 		errors.Is(err, ErrNoRootFound),
 		errors.Is(err, ErrCircularDependency),
 		errors.Is(err, ErrStartCategoryNotFound),
@@ -256,6 +277,8 @@ func GetErrorStatus(err error) int {
 		errors.Is(err, ErrMaxAmtOfCartsReached),
 		errors.Is(err, ErrUserHasNoSuchCart),
 		errors.Is(err, ErrProductOrItsVariationDoesNotExist),
+		errors.Is(err, ErrEmptyCart),
+		errors.Is(err, ErrUserHasNoSuchOrder),
 		errors.Is(err, ErrAccessDenied),
 		errors.Is(err, ErrFolderDoesNotExist),
 		errors.Is(err, ErrFileDoesNotExist),

app/view/emails.go

@@ -18,3 +18,7 @@ type EmailAdminNotificationData struct {
 type EmailPasswordResetData struct {
 	ResetURL string
 }
+
+type EmailNewOrderPlacedData struct {
+	UserID uint
+}

bruno/api_v1/product/Add To Favorites.yml

@@ -0,0 +1,15 @@
+info:
+  name: Add To Favorites
+  type: http
+  seq: 3
+
+http:
+  method: POST
+  url: "{{bas_url}}/restricted/product/favorite/53"
+  auth: inherit
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5

bruno/api_v1/product/Remove Form Favorites.yml

@@ -0,0 +1,15 @@
+info:
+  name: Remove Form Favorites
+  type: http
+  seq: 4
+
+http:
+  method: DELETE
+  url: "{{bas_url}}/restricted/product/favorite/51"
+  auth: inherit
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5

bruno/b2b_daniel/carts/retrieve-cart.yml

@@ -5,10 +5,10 @@ info:
 
 http:
   method: GET
-  url: http://localhost:3000/api/v1/restricted/carts/retrieve-cart?cart_id=3
+  url: http://localhost:3000/api/v1/restricted/carts/retrieve-cart?cart_id=1
   params:
     - name: cart_id
-      value: "3"
+      value: "1"
       type: query
   auth: inherit
 

bruno/b2b_daniel/orders/change-order-address.yml

@@ -0,0 +1,33 @@
+info:
+  name: change-order-address
+  type: http
+  seq: 3
+
+http:
+  method: GET
+  url: http://localhost:3000/api/v1/restricted/orders/change-order-address?order_id=1&country_id=1
+  params:
+    - name: order_id
+      value: "1"
+      type: query
+    - name: country_id
+      value: "1"
+      type: query
+  body:
+    type: json
+    data: |-
+      {
+        "postal_code": "31-154",
+        "city": "Kraków",
+        "voivodeship": "śląskie",
+        "street": "Długa",
+        "building_no": "5",
+        "recipient": "Adam Adamowicz"
+      }
+  auth: inherit
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5

bruno/b2b_daniel/orders/change-order-status.yml

@@ -0,0 +1,22 @@
+info:
+  name: change-order-status
+  type: http
+  seq: 4
+
+http:
+  method: GET
+  url: http://localhost:3000/api/v1/restricted/orders/change-order-status?order_id=1&status=PAID
+  params:
+    - name: order_id
+      value: "1"
+      type: query
+    - name: status
+      value: PAID
+      type: query
+  auth: inherit
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5

bruno/b2b_daniel/orders/folder.yml

@@ -0,0 +1,7 @@
+info:
+  name: orders
+  type: folder
+  seq: 11
+
+request:
+  auth: inherit

bruno/b2b_daniel/orders/list.yml

@@ -0,0 +1,31 @@
+info:
+  name: list
+  type: http
+  seq: 2
+
+http:
+  method: GET
+  url: http://localhost:3000/api/v1/restricted/orders/list?p=1&elems=30&sort=product_id,asc&user_id=2&name=~sdj
+  params:
+    - name: p
+      value: "1"
+      type: query
+    - name: elems
+      value: "30"
+      type: query
+    - name: sort
+      value: product_id,asc
+      type: query
+    - name: user_id
+      value: "2"
+      type: query
+    - name: name
+      value: ~sdj
+      type: query
+  auth: inherit
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5

bruno/b2b_daniel/orders/place-new-order.yml

@@ -0,0 +1,37 @@
+info:
+  name: place-new-order
+  type: http
+  seq: 1
+
+http:
+  method: POST
+  url: http://localhost:3000/api/v1/restricted/orders/place-new-order?cart_id=1&name=sdjalksd&country_id=1
+  params:
+    - name: cart_id
+      value: "1"
+      type: query
+    - name: name
+      value: sdjalksd
+      type: query
+    - name: country_id
+      value: "1"
+      type: query
+  body:
+    type: json
+    data: |-
+      {
+        "postal_code": "31-154",
+        "city": "Kraków",
+        "voivodeship": "małopolskie",
+        "street": "Długa",
+        "building_no": "5",
+        "apartment_no": "7",
+        "recipient": "Jan Kowalski"
+      }
+  auth: inherit
+
+settings:
+  encodeUrl: true
+  timeout: 0
+  followRedirects: true
+  maxRedirects: 5

go.mod

@@ -36,8 +36,6 @@ require (
 	github.com/googleapis/enterprise-certificate-proxy v0.3.6 // indirect
 	github.com/googleapis/gax-go/v2 v2.15.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/mattn/go-runewidth v0.0.16 // indirect
-	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/spf13/pflag v1.0.6 // indirect
 	github.com/tidwall/gjson v1.18.0 // indirect
 	github.com/tidwall/match v1.1.1 // indirect
@@ -100,10 +98,10 @@ require (
 	github.com/valyala/fasthttp v1.69.0 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	github.com/xyproto/randomstring v1.2.0 // indirect
-	golang.org/x/net v0.52.0
+	golang.org/x/net v0.52.0 // indirect
 	golang.org/x/sync v0.20.0 // indirect
 	golang.org/x/sys v0.42.0 // indirect
-	golang.org/x/text v0.35.0 // indirect
+	golang.org/x/text v0.35.0
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gorm.io/driver/mysql v1.6.0
 )

go.sum

@@ -72,8 +72,6 @@ github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
 github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
-github.com/gofiber/fiber/v2 v2.52.12 h1:0LdToKclcPOj8PktUdIKo9BUohjjwfnQl42Dhw8/WUw=
-github.com/gofiber/fiber/v2 v2.52.12/go.mod h1:YEcBbO/FB+5M1IZNBP9FO3J9281zgPAreiI1oqg8nDw=
 github.com/gofiber/fiber/v3 v3.1.0 h1:1p4I820pIa+FGxfwWuQZ5rAyX0WlGZbGT6Hnuxt6hKY=
 github.com/gofiber/fiber/v3 v3.1.0/go.mod h1:n2nYQovvL9z3Too/FGOfgtERjW3GQcAUqgfoezGBZdU=
 github.com/gofiber/schema v1.7.0 h1:yNM+FNRZjyYEli9Ey0AXRBrAY9jTnb+kmGs3lJGPvKg=
@@ -136,8 +134,6 @@ github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHP
 github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/mattn/go-runewidth v0.0.16 h1:E5ScNMtiwvlvB5paMFdw9p4kSQzbXFikJ5SQO6TULQc=
-github.com/mattn/go-runewidth v0.0.16/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
 github.com/mattn/go-sqlite3 v1.14.8/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
 github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
@@ -158,8 +154,6 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
-github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
 github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=

i18n/migrations/20260302163122_create_tables.sql

@@ -130,7 +130,7 @@ FOREIGN KEY (role_id) REFERENCES b2b_roles(id);
 
 -- customer_carts
 CREATE TABLE IF NOT EXISTS b2b_customer_carts (
-  cart_id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  cart_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
   user_id BIGINT UNSIGNED NOT NULL,
   name VARCHAR(255) NULL,
   CONSTRAINT fk_customer_carts_customers FOREIGN KEY (user_id) REFERENCES b2b_customers(id) ON DELETE CASCADE ON UPDATE CASCADE
@@ -140,8 +140,8 @@ CREATE INDEX IF NOT EXISTS idx_customer_carts_user_id ON b2b_customer_carts (use
 
 -- carts_products
 CREATE TABLE IF NOT EXISTS b2b_carts_products (
-  id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
-  cart_id INT UNSIGNED NOT NULL,
+  cart_id BIGINT UNSIGNED NOT NULL,
   product_id INT UNSIGNED NOT NULL,
   product_attribute_id INT NULL,
   amount INT UNSIGNED NOT NULL,
@@ -151,6 +151,16 @@ CREATE TABLE IF NOT EXISTS b2b_carts_products (
 CREATE INDEX IF NOT EXISTS idx_carts_products_cart_id ON b2b_carts_products (cart_id);
 
 
+-- favorites
+CREATE TABLE IF NOT EXISTS b2b_favorites (
+  user_id BIGINT UNSIGNED NOT NULL,
+  product_id INT UNSIGNED NOT NULL,
+  PRIMARY KEY (user_id, product_id),
+  CONSTRAINT fk_favorites_customer FOREIGN KEY (user_id) REFERENCES b2b_customers(id) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT fk_favorites_product FOREIGN KEY (product_id) REFERENCES ps_product(id_product) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
+
+
 -- refresh_tokens
 CREATE TABLE IF NOT EXISTS b2b_refresh_tokens (
   id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
@@ -214,7 +224,7 @@ ON `b2b_countries` (
 CREATE TABLE IF NOT EXISTS b2b_addresses (
   id BIGINT UNSIGNED AUTO_INCREMENT NOT NULL,
   b2b_customer_id BIGINT UNSIGNED NOT NULL,
-  address_info TEXT NOT NULL,
+  address_string TEXT NOT NULL,
   b2b_country_id BIGINT UNSIGNED NOT NULL,
    PRIMARY KEY (id),
   CONSTRAINT fk_b2b_addresses_b2b_customers FOREIGN KEY (b2b_customer_id) REFERENCES b2b_customers (id) ON DELETE CASCADE ON UPDATE CASCADE,
@@ -222,6 +232,34 @@ CREATE TABLE IF NOT EXISTS b2b_addresses (
 ) ENGINE = InnoDB;
 
 
+-- customer_orders
+CREATE TABLE IF NOT EXISTS b2b_customer_orders (
+  order_id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  user_id BIGINT UNSIGNED NOT NULL,
+  name TEXT NOT NULL,
+  country_id BIGINT UNSIGNED NOT NULL,
+  address_string TEXT NOT NULL,
+  status VARCHAR(50) NOT NULL,
+  CONSTRAINT fk_customer_orders_customers FOREIGN KEY (user_id) REFERENCES b2b_customers(id) ON DELETE NO ACTION ON UPDATE CASCADE,
+  CONSTRAINT fk_customer_orders_countries FOREIGN KEY (country_id) REFERENCES b2b_countries(id) ON DELETE NO ACTION ON UPDATE CASCADE
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
+CREATE INDEX idx_customer_orders_user_id ON b2b_customer_orders (user_id);
+CREATE INDEX idx_customer_orders_country_id ON b2b_customer_orders (country_id);
+
+
+-- orders_products
+CREATE TABLE IF NOT EXISTS b2b_orders_products (
+  id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+  order_id BIGINT UNSIGNED NOT NULL,
+  product_id INT UNSIGNED NOT NULL,
+  product_attribute_id INT NULL,
+  amount INT UNSIGNED NOT NULL,
+  CONSTRAINT fk_orders_products_customer_orders FOREIGN KEY (order_id) REFERENCES b2b_customer_orders (order_id) ON DELETE CASCADE ON UPDATE CASCADE,
+  CONSTRAINT fk_orders_products_product FOREIGN KEY (product_id) REFERENCES ps_product (id_product) ON DELETE CASCADE ON UPDATE CASCADE
+) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4;
+CREATE INDEX IF NOT EXISTS idx_orders_products_order_id ON b2b_orders_products (order_id);
+
+
 CREATE TABLE b2b_specific_price (
   id BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
   name VARCHAR(255) NOT NULL,

i18n/migrations/20260319163200_procedures.sql

@@ -132,6 +132,12 @@ JSON_OBJECT(
     m.name,
     'category',
     cl.name,
+    /* ================= FAVORITE ================= */
+    'is_favorite',
+    EXISTS(
+      SELECT 1 FROM b2b_favorites f
+      WHERE f.user_id = p_id_customer AND f.product_id = p_id_product
+    ),
     /* ================= IMAGE ================= */
     'cover_image',
     JSON_OBJECT(