Initial commit - clean project structure

content/migrations/0002_nodeprogress.py

@@ -0,0 +1,31 @@
+# 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')],
+            },
+        ),
+    ]