82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
from django.db import models
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from django.utils.text import slugify
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from django.conf import settings
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class Category(models.Model):
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name = models.CharField(max_length=100, unique=True)
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slug = models.SlugField(max_length=100, unique=True, blank=True)
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def save(self, *args, **kwargs):
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if not self.slug:
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self.slug = slugify(self.name)
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super().save(*args, **kwargs)
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def __str__(self):
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return self.name
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class Meta:
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verbose_name_plural = "Categories"
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class Product(models.Model):
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category = models.ForeignKey(Category, related_name='products', on_delete=models.CASCADE)
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name = models.CharField(max_length=255)
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description = models.TextField(blank=True)
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price = models.DecimalField(max_digits=10, decimal_places=2)
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is_available = models.BooleanField(default=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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return self.name
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class Cart(models.Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, blank=True, null=True)
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session_key = models.CharField(max_length=40, blank=True, null=True)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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def __str__(self):
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if self.user:
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return f"Cart for {self.user.username}"
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return f"Cart (session: {self.session_key})"
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@property
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def total_price(self):
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return sum(item.total_price for item in self.items.all())
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@property
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def total_price_in_kobo(self):
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return int(self.total_price * 100)
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class CartItem(models.Model):
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cart = models.ForeignKey(Cart, related_name='items', on_delete=models.CASCADE)
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product = models.ForeignKey(Product, on_delete=models.CASCADE)
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quantity = models.PositiveIntegerField(default=1)
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@property
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def total_price(self):
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return self.product.price * self.quantity
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def __str__(self):
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return f"{self.quantity} of {self.product.name}"
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class Order(models.Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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is_paid = models.BooleanField(default=False)
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def __str__(self):
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return f"Order {self.id} by {self.user.username}"
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def get_total_price(self):
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return sum(item.product.price * item.quantity for item in self.items.all())
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class OrderItem(models.Model):
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order = models.ForeignKey(Order, related_name='items', on_delete=models.CASCADE)
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product = models.ForeignKey(Product, on_delete=models.CASCADE)
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quantity = models.PositiveIntegerField(default=1)
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def __str__(self):
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return f"{self.quantity} of {self.product.name}" |