first commit

database/models/cart.go

@@ -0,0 +1,20 @@
+package models
+
+import (
+	"gorm.io/gorm"
+)
+
+type Cart struct {
+	gorm.Model
+	UserID uint       `gorm:"not null;index" json:"user_id"`
+	Items  []CartItem `gorm:"foreignKey:CartID" json:"items,omitempty"`
+}
+
+type CartItem struct {
+	gorm.Model
+	CartID    uint     `gorm:"not null;index" json:"cart_id"`
+	Cart      *Cart    `gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;foreignKey:CartID" json:"cart,omitempty"`
+	ProductID uint     `gorm:"not null;index" json:"product_id"`
+	Product   *Product `gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE;foreignKey:ProductID" json:"product,omitempty"`
+	Quantity  int      `gorm:"default:1" json:"quantity"`
+}