# Generated by Django 5.2.12 on 2026-08-01 16:18

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


class Migration(migrations.Migration):

    dependencies = [
        ('learn', '0003_chapter_video_poster_chapter_video_url'),
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
    ]

    operations = [
        migrations.CreateModel(
            name='ChapterRead',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('completed', models.BooleanField(default=True, verbose_name='是否已完成')),
                ('completed_at', models.DateTimeField(auto_now_add=True, verbose_name='完成时间')),
                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
                ('chapter', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chapter_reads', to='learn.chapter', verbose_name='章节')),
                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chapter_reads', to='learn.course', verbose_name='课程')),
                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='chapter_reads', to=settings.AUTH_USER_MODEL, verbose_name='用户')),
            ],
            options={
                'verbose_name': '章节学习记录',
                'verbose_name_plural': '章节学习记录',
                'ordering': ['-completed_at'],
                'unique_together': {('user', 'chapter')},
            },
        ),
    ]