# Generated by Django 5.2.17 on 2026-08-18 03:10 import django.db.models.deletion from django.db import migrations, models class Migration(migrations.Migration): dependencies = [ ('content', '0001_initial'), ] operations = [ migrations.CreateModel( name='NodeProgress', fields=[ ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('user_id', models.IntegerField(db_index=True)), ('status', models.CharField(choices=[('not_started', 'شروع\u200cنشده'), ('in_progress', 'در حال انجام'), ('completed', 'تکمیل\u200cشده'), ('abandoned', 'نصفه\u200cرها')], default='not_started', max_length=15)), ('lessons_completed_count', models.PositiveIntegerField(default=0)), ('started_at', models.DateTimeField(blank=True, null=True)), ('completed_at', models.DateTimeField(blank=True, null=True)), ('last_activity_at', models.DateTimeField(blank=True, db_index=True, null=True)), ('node', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='progress_records', to='content.node')), ], options={ 'indexes': [models.Index(fields=['status', 'last_activity_at'], name='content_nod_status_7971c6_idx')], 'constraints': [models.UniqueConstraint(fields=('user_id', 'node'), name='unique_node_progress_per_user')], }, ), ]