# Generated by Django 4.2.23 on 2026-08-08 11:15

from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion


class Migration(migrations.Migration):

    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='ContentItem',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('slug', models.SlugField(unique=True)),
                ('title', models.CharField(max_length=160)),
                ('kind', models.CharField(choices=[('video', '视频'), ('knowledge', '知识卡片'), ('person', '数学人物')], max_length=16)),
                ('summary', models.TextField(blank=True)),
                ('body', models.TextField(blank=True)),
                ('cover_url', models.URLField(blank=True)),
                ('media_url', models.URLField(blank=True)),
                ('topics', models.JSONField(blank=True, default=list)),
                ('source', models.CharField(blank=True, max_length=300)),
                ('is_published', models.BooleanField(default=False)),
                ('published_at', models.DateTimeField(blank=True, null=True)),
            ],
            options={
                'ordering': ['-published_at'],
            },
        ),
        migrations.CreateModel(
            name='ContentInteraction',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('action', models.CharField(choices=[('view', '浏览'), ('favorite', '收藏'), ('complete', '完成')], max_length=16)),
                ('created_at', models.DateTimeField(auto_now_add=True)),
                ('content', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='interactions', to='content.contentitem')),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
            ],
        ),
        migrations.AddConstraint(
            model_name='contentinteraction',
            constraint=models.UniqueConstraint(fields=('user', 'content', 'action'), name='unique_content_interaction'),
        ),
    ]