Azimkin
52cbc1c2b3
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- Added `Cart` and `CartItem` models with migrations for managing user-specific carts and items - Developed services for cart-related operations: adding, removing, and updating cart items - Built specialized templates (`cart.html`) and styled them with new CSS assets (`cart.css`) - Enabled real-time UI updates via AJAX in shopping cart interactions (`cart.js`) - Modified header to dynamically display cart link with user authentication awareness - Added Leaflet-based interactive map to the contacts page and integrated CSS/JS dependencies - Expanded tests for cart functionality, item detail page cart integration, and contacts page maps
60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
from django.conf import settings
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from django.core.validators import MinValueValidator
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from django.db import models
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from items.models import Item
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class Cart(models.Model):
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user = models.OneToOneField(
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settings.AUTH_USER_MODEL,
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on_delete=models.CASCADE,
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related_name="cart",
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verbose_name="Пользователь",
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)
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created_at = models.DateTimeField(auto_now_add=True, verbose_name="Дата создания")
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updated_at = models.DateTimeField(auto_now=True, verbose_name="Дата обновления")
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class Meta:
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verbose_name = "Корзина"
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verbose_name_plural = "Корзины"
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def __str__(self):
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return f"Корзина пользователя {self.user}"
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class CartItem(models.Model):
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cart = models.ForeignKey(
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Cart,
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on_delete=models.CASCADE,
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related_name="items",
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verbose_name="Корзина",
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)
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item = models.ForeignKey(
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Item,
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on_delete=models.CASCADE,
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related_name="cart_entries",
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verbose_name="Товар",
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)
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quantity = models.PositiveIntegerField(
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validators=[MinValueValidator(1)],
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verbose_name="Количество",
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)
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created_at = models.DateTimeField(auto_now_add=True, verbose_name="Дата создания")
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updated_at = models.DateTimeField(auto_now=True, verbose_name="Дата обновления")
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class Meta:
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ordering = ("created_at", "id")
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constraints = [
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models.UniqueConstraint(fields=("cart", "item"), name="unique_cart_item_per_cart"),
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]
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verbose_name = "Позиция корзины"
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verbose_name_plural = "Позиции корзины"
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def __str__(self):
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return f"{self.item} x {self.quantity}"
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@property
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def subtotal(self):
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return self.item.price * self.quantity
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