Proyecto LCX Dispatcharr multicuenta

apps/channels/migrations/0016_channelstream_unique_channel_stream.py

@@ -0,0 +1,38 @@
+# Generated by Django 5.1.6 on 2025-04-18 16:21
+
+from django.db import migrations, models
+from django.db.models import Count
+
+def remove_duplicate_channel_streams(apps, schema_editor):
+    ChannelStream = apps.get_model('dispatcharr_channels', 'ChannelStream')
+    # Find duplicates by (channel, stream)
+    duplicates = (
+        ChannelStream.objects
+        .values('channel', 'stream')
+        .annotate(count=Count('id'))
+        .filter(count__gt=1)
+    )
+
+    for dupe in duplicates:
+        # Get all duplicates for this pair
+        dups = ChannelStream.objects.filter(
+            channel=dupe['channel'],
+            stream=dupe['stream']
+        ).order_by('id')
+
+        # Keep the first one, delete the rest
+        dups.exclude(id=dups.first().id).delete()
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dispatcharr_channels', '0015_recording_custom_properties'),
+    ]
+
+    operations = [
+        migrations.RunPython(remove_duplicate_channel_streams),
+        migrations.AddConstraint(
+            model_name='channelstream',
+            constraint=models.UniqueConstraint(fields=('channel', 'stream'), name='unique_channel_stream'),
+        ),
+    ]