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holy-flavor-rater/backend/api/models.py
T

60 lines
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Python

from django.db import models
from django.contrib.auth.models import AbstractUser
from django.core.validators import MinValueValidator, MaxValueValidator
class User(AbstractUser):
THEME_CHOICES = [
('latte', 'Latte'),
('frappe', 'Frappé'),
('macchiato', 'Macchiato'),
('mocha', 'Mocha'),
]
theme = models.CharField(max_length=20, choices=THEME_CHOICES, default='mocha')
def __str__(self):
return self.username
class Category(models.Model):
name = models.CharField(max_length=50, unique=True)
slug = models.SlugField(unique=True)
class Meta:
verbose_name_plural = "Categories"
def __str__(self):
return self.name
class Flavor(models.Model):
category = models.ForeignKey(Category, related_name='flavors', on_delete=models.CASCADE)
name = models.CharField(max_length=100, unique=True)
description = models.TextField(blank=True)
image_url = models.URLField(max_length=500, blank=True, null=True)
shop_url = models.URLField(max_length=500, blank=True, null=True)
is_available = models.BooleanField(default=True)
external_id = models.BigIntegerField(unique=True, null=True, blank=True)
created_at = models.DateTimeField(auto_now_add=True)
def __str__(self):
return self.name
@property
def get_average_rating(self):
ratings = self.ratings.all()
if ratings.exists():
return sum(r.score for r in ratings) / ratings.count()
return 0.0
class Rating(models.Model):
user = models.ForeignKey(User, related_name='ratings', on_delete=models.CASCADE)
flavor = models.ForeignKey(Flavor, related_name='ratings', on_delete=models.CASCADE)
score = models.IntegerField(validators=[MinValueValidator(1), MaxValueValidator(10)])
comment = models.TextField(blank=True, null=True)
created_at = models.DateTimeField(auto_now_add=True)
class Meta:
unique_together = ('user', 'flavor')
ordering = ['-created_at']
def __str__(self):
return f"{self.user.username} - {self.flavor.name}: {self.score}"