Corp/backend/feed/migrations/0001_initial.py

# Generated by Django 5.2.4 on 2025-08-26 07:37

import django.core.validators
import django.db.models.deletion
import feed.models
from django.conf import settings
from django.db import migrations, models


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        ('employees', '0019_delete_education'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='Post',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('title', models.CharField(max_length=200, verbose_name='Заголовок')),
                ('body', models.TextField(verbose_name='Текст')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Создано')),
                ('pinned', models.BooleanField(default=False, verbose_name='Закреплено')),
                ('type', models.CharField(choices=[('company', 'Новость компании'), ('department', 'Новость отдела'), ('employee', 'Публикация сотрудника')], max_length=20, verbose_name='Тип публикации')),
                ('image', models.ImageField(blank=True, null=True, upload_to='feed/images/%Y/%m/', verbose_name='Изображение')),
                ('attachment', models.FileField(blank=True, null=True, upload_to='feed/attachments/%Y/%m/', verbose_name='Вложение')),
                ('likes_count', models.PositiveIntegerField(db_index=True, default=0, verbose_name='Лайки')),
                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='posts', to=settings.AUTH_USER_MODEL, verbose_name='Автор')),
                ('department', models.ForeignKey(blank=True, help_text='Для новостей отдела укажите отдел. Для других типов оставьте пустым.', null=True, on_delete=django.db.models.deletion.PROTECT, related_name='posts', to='employees.department', verbose_name='Отдел')),
            ],
            options={
                'verbose_name': 'Публикация',
                'verbose_name_plural': 'Публикации',
                'ordering': ['-pinned', '-created_at'],
            },
        ),
        migrations.CreateModel(
            name='Comment',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('text', models.TextField(blank=True, default='', verbose_name='Комментарий')),
                ('image', models.ImageField(blank=True, null=True, upload_to='feed/comments/images/%Y/%m/', validators=[django.core.validators.FileExtensionValidator(allowed_extensions=['jpg', 'jpeg', 'png', 'gif', 'webp']), feed.models.FileSizeValidator(10)], verbose_name='Изображение')),
                ('attachment', models.FileField(blank=True, null=True, upload_to='feed/comments/attachments/%Y/%m/', validators=[django.core.validators.FileExtensionValidator(allowed_extensions=['pdf', 'doc', 'docx', 'xls', 'xlsx', 'txt', 'csv', 'png', 'jpg', 'jpeg', 'gif', 'zip', 'rar', '7z']), feed.models.FileSizeValidator(25)], verbose_name='Вложение')),
                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Создано')),
                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to=settings.AUTH_USER_MODEL, verbose_name='Автор')),
                ('post', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='feed.post', verbose_name='Публикация')),
            ],
            options={
                'verbose_name': 'Комментарий',
                'verbose_name_plural': 'Комментарии',
                'ordering': ['created_at'],
            },
        ),
        migrations.CreateModel(
            name='PostLike',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('post', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='likes', to='feed.post', verbose_name='Пост')),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='post_likes', to=settings.AUTH_USER_MODEL, verbose_name='Пользователь')),
            ],
            options={
                'verbose_name': 'Лайк',
                'verbose_name_plural': 'Лайки',
            },
        ),
        migrations.AddIndex(
            model_name='post',
            index=models.Index(fields=['type', 'created_at'], name='feed_post_type_b00891_idx'),
        ),
        migrations.AddIndex(
            model_name='post',
            index=models.Index(fields=['pinned', 'created_at'], name='feed_post_pinned_e86c9a_idx'),
        ),
        migrations.AddIndex(
            model_name='post',
            index=models.Index(fields=['created_at'], name='feed_post_created_ddd8c4_idx'),
        ),
        migrations.AddIndex(
            model_name='post',
            index=models.Index(fields=['department', '-created_at'], name='feed_post_departm_b35669_idx'),
        ),
        migrations.AddIndex(
            model_name='post',
            index=models.Index(fields=['author', '-created_at'], name='feed_post_author__c854fa_idx'),
        ),
        migrations.AddConstraint(
            model_name='post',
            constraint=models.CheckConstraint(condition=models.Q(models.Q(('department__isnull', False), ('type', 'department')), models.Q(('type', 'department'), _negated=True), _connector='OR'), name='post_department_required_when_type_is_department'),
        ),
        migrations.AddConstraint(
            model_name='post',
            constraint=models.CheckConstraint(condition=models.Q(('type', 'department'), ('department__isnull', True), _connector='OR'), name='post_department_null_when_type_not_department'),
        ),
        migrations.AddConstraint(
            model_name='post',
            constraint=models.CheckConstraint(condition=models.Q(('likes_count__gte', 0)), name='post_likes_count_non_negative'),
        ),
        migrations.AddIndex(
            model_name='comment',
            index=models.Index(fields=['created_at'], name='feed_commen_created_a85775_idx'),
        ),
        migrations.AddIndex(
            model_name='comment',
            index=models.Index(fields=['post', 'created_at'], name='feed_commen_post_id_3fe3f3_idx'),
        ),
        migrations.AddIndex(
            model_name='comment',
            index=models.Index(fields=['author', 'created_at'], name='feed_commen_author__b1fbf5_idx'),
        ),
        migrations.AddConstraint(
            model_name='comment',
            constraint=models.CheckConstraint(condition=models.Q(models.Q(('text__isnull', False), models.Q(('text', ''), _negated=True)), ('image__isnull', False), ('attachment__isnull', False), _connector='OR'), name='comment_has_any_content_v3', violation_error_message='Нужно указать текст, изображение или файл.'),
        ),
        migrations.AddIndex(
            model_name='postlike',
            index=models.Index(fields=['user', 'created_at'], name='feed_postli_user_id_15e79d_idx'),
        ),
        migrations.AddIndex(
            model_name='postlike',
            index=models.Index(fields=['post', 'created_at'], name='feed_postli_post_id_2897d2_idx'),
        ),
        migrations.AddConstraint(
            model_name='postlike',
            constraint=models.UniqueConstraint(fields=('post', 'user'), name='uq_postlike_post_user'),
        ),
    ]