|
1 | | -# Create your models here. |
| 1 | +from django.db import models |
| 2 | +from django.contrib.auth import get_user_model |
| 3 | +from django_extensions.db.models import TimeStampedModel |
| 4 | + |
| 5 | +User = get_user_model() |
| 6 | + |
| 7 | + |
| 8 | +class Publisher(models.Model): |
| 9 | + name = models.CharField( |
| 10 | + "Название издательства", |
| 11 | + max_length=255, |
| 12 | + ) |
| 13 | + website = models.URLField( |
| 14 | + "Сайт издательства", |
| 15 | + max_length=255, |
| 16 | + blank=True, |
| 17 | + ) |
| 18 | + |
| 19 | + class Meta: |
| 20 | + verbose_name = "Издательство" |
| 21 | + verbose_name_plural = "Издательства" |
| 22 | + |
| 23 | + def __str__(self): |
| 24 | + return self.name |
| 25 | + |
| 26 | + |
| 27 | +class Author(models.Model): |
| 28 | + first_name = models.CharField( |
| 29 | + "Имя автора", |
| 30 | + max_length=100, |
| 31 | + ) |
| 32 | + last_name = models.CharField( |
| 33 | + "Фамилия автора", |
| 34 | + max_length=100, |
| 35 | + ) |
| 36 | + bio = models.TextField( |
| 37 | + "Биография", |
| 38 | + blank=True, |
| 39 | + ) |
| 40 | + |
| 41 | + class Meta: |
| 42 | + verbose_name = "Автор" |
| 43 | + verbose_name_plural = "Авторы" |
| 44 | + |
| 45 | + def __str__(self): |
| 46 | + return f"{self.first_name} {self.last_name}" |
| 47 | + |
| 48 | + |
| 49 | +class Tag(models.Model): |
| 50 | + name = models.CharField( |
| 51 | + "Название тега", |
| 52 | + max_length=100, |
| 53 | + unique=True, |
| 54 | + ) |
| 55 | + slug = models.SlugField( |
| 56 | + "URL-имя", |
| 57 | + max_length=100, |
| 58 | + unique=True, |
| 59 | + ) |
| 60 | + color = models.CharField( |
| 61 | + "Цвет", |
| 62 | + max_length=20, |
| 63 | + ) |
| 64 | + |
| 65 | + class Meta: |
| 66 | + verbose_name = "Тег" |
| 67 | + verbose_name_plural = "Теги" |
| 68 | + |
| 69 | + def __str__(self): |
| 70 | + return self.name |
| 71 | + |
| 72 | + |
| 73 | +class Book(TimeStampedModel): |
| 74 | + title = models.CharField( |
| 75 | + "Название книги", |
| 76 | + max_length=255, |
| 77 | + ) |
| 78 | + description = models.TextField( |
| 79 | + "Описание книги", |
| 80 | + ) |
| 81 | + published_at = models.DateField( |
| 82 | + "Дата публикации", |
| 83 | + ) |
| 84 | + isbn_code = models.CharField( |
| 85 | + "ISBN", |
| 86 | + max_length=20, |
| 87 | + unique=True, |
| 88 | + ) |
| 89 | + total_pages = models.IntegerField( |
| 90 | + "Количество страниц", |
| 91 | + ) |
| 92 | + cover_image = models.URLField( |
| 93 | + "Обложка книги", |
| 94 | + max_length=255, |
| 95 | + ) |
| 96 | + language = models.CharField( |
| 97 | + "Язык", |
| 98 | + max_length=50, |
| 99 | + ) |
| 100 | + |
| 101 | + author = models.ManyToManyField( |
| 102 | + Author, |
| 103 | + verbose_name="Авторы", |
| 104 | + related_name="books", |
| 105 | + ) |
| 106 | + publisher = models.ForeignKey( |
| 107 | + Publisher, |
| 108 | + verbose_name="Издательство", |
| 109 | + on_delete=models.CASCADE, |
| 110 | + related_name="books", |
| 111 | + ) |
| 112 | + tags = models.ManyToManyField( |
| 113 | + Tag, |
| 114 | + verbose_name="Теги", |
| 115 | + related_name="books", |
| 116 | + ) |
| 117 | + |
| 118 | + class Meta: |
| 119 | + verbose_name = "Книга" |
| 120 | + verbose_name_plural = "Книги" |
| 121 | + |
| 122 | + def __str__(self): |
| 123 | + return self.title |
| 124 | + |
| 125 | + |
| 126 | +class Comment(TimeStampedModel): |
| 127 | + text = models.TextField( |
| 128 | + "Комментарий", |
| 129 | + ) |
| 130 | + |
| 131 | + user = models.ForeignKey( |
| 132 | + User, |
| 133 | + verbose_name="Пользователь", |
| 134 | + on_delete=models.CASCADE, |
| 135 | + related_name="comments", |
| 136 | + ) |
| 137 | + book = models.ForeignKey( |
| 138 | + Book, |
| 139 | + verbose_name="Книга", |
| 140 | + on_delete=models.CASCADE, |
| 141 | + related_name="comments", |
| 142 | + ) |
| 143 | + |
| 144 | + class Meta: |
| 145 | + verbose_name = "Комментарий" |
| 146 | + verbose_name_plural = "Комментарии" |
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