Created
May 16, 2023 10:55
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from django.contrib.auth import get_user_model | |
from django.db import models | |
from django.urls import reverse | |
from django.utils import timezone | |
User = get_user_model() | |
class BaseModel(models.Model): | |
is_published = models.BooleanField( | |
default=True, | |
verbose_name='Опубликовано', | |
help_text='Снимите галочку, чтобы скрыть публикацию.') | |
created_at = models.DateTimeField(auto_now_add=True, | |
verbose_name='Добавлено') | |
class Meta: | |
abstract = True | |
class Category(BaseModel): | |
HELP_TEXT = ('Идентификатор страницы для URL; разрешены символы ' | |
'латиницы, цифры, дефис и подчёркивание.') | |
title = models.CharField(max_length=256, verbose_name='Заголовок') | |
description = models.TextField(default='', verbose_name='Описание') | |
slug = models.SlugField( | |
unique=True, | |
verbose_name='Идентификатор', | |
help_text=HELP_TEXT | |
) | |
class Meta: | |
verbose_name = 'категория' | |
verbose_name_plural = 'Категории' | |
def __str__(self): | |
return self.title | |
class Location(BaseModel): | |
name = models.CharField(max_length=256, verbose_name='Название места') | |
class Meta: | |
verbose_name = 'местоположение' | |
verbose_name_plural = 'Местоположения' | |
def __str__(self): | |
return self.name | |
class Post(BaseModel): | |
HELP_TEXT = ('Если установить дату и время в будущем —' | |
' можно делать отложенные публикации.') | |
title = models.CharField(max_length=256, verbose_name='Заголовок') | |
text = models.TextField(verbose_name='Текст') | |
pub_date = models.DateTimeField( | |
default=timezone.now, | |
verbose_name='Дата и время публикации', | |
help_text=HELP_TEXT | |
) | |
author = models.ForeignKey( | |
User, | |
on_delete=models.CASCADE, | |
verbose_name='Автор публикации' | |
) | |
location = models.ForeignKey( | |
Location, | |
verbose_name='Местоположение', | |
on_delete=models.SET_NULL, | |
related_name='Post', | |
null=True, | |
blank=True, | |
) | |
category = models.ForeignKey( | |
Category, | |
verbose_name='Категория', | |
on_delete=models.SET_NULL, | |
related_name='Post', | |
null=True, | |
blank=False, | |
) | |
image = models.ImageField( | |
'Изображение', upload_to='posts_images', blank=True) | |
class Meta: | |
ordering = ('pub_date',) | |
verbose_name = 'публикация' | |
verbose_name_plural = 'Публикации' | |
def get_absolute_url(self): | |
return reverse('blog:posts', kwargs={'pk': self.pk}) | |
def __str__(self): | |
return self.title[:32] | |
class Comment(models.Model): | |
text = models.TextField('Текст комментария') | |
post = models.ForeignKey( | |
Post, | |
on_delete=models.CASCADE, | |
related_name='comment', | |
) | |
author = models.ForeignKey(User, on_delete=models.CASCADE) | |
created_at = models.DateTimeField(auto_now_add=True, | |
verbose_name='Добавлено') | |
class Meta: | |
ordering = ('created_at',) |
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