feat: cart

shop/models.py

@@ -6,6 +6,10 @@ from django.utils import timezone
 from django.utils.text import gettext_lazy as _
 from django.utils.text import slugify
 
+from django.contrib.auth import get_user_model
+
+User = get_user_model()
+
 
 class TimestampedModel(models.Model):
     creation_date = models.DateTimeField(
@@ -398,3 +402,38 @@ class Order(TimestampedModel):
     class Meta:
         verbose_name = _("pedido")
         verbose_name_plural = _("pedidos")
+
+
+class Cart(models.Model):
+    uuid = models.UUIDField(default=uuid4, primary_key=True, verbose_name=_("uuid"))
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        verbose_name=_("usuario"),
+        blank=True,
+        null=True,
+    )
+    creation_date = models.DateTimeField(
+        auto_now_add=True, verbose_name=_("fecha de creación")
+    )
+
+    class Meta:
+        verbose_name = _("carrito")
+        verbose_name_plural = _("carritos")
+
+
+class CartItem(models.Model):
+    cart = models.ForeignKey(
+        "shop.Cart",
+        on_delete=models.CASCADE,
+        related_name="items",
+        verbose_name=_("carrito"),
+    )
+    product = models.ForeignKey(
+        "shop.Product", on_delete=models.CASCADE, verbose_name=_("producto")
+    )
+    quantity = models.PositiveIntegerField(default=1, verbose_name=_("cantidad"))
+
+    class Meta:
+        verbose_name = _("línea de carrito")
+        verbose_name_plural = _("líneas de carrito")