snapshot of https://github.com/zulip/zulip.git @ 48c69911c7dd4e03b20552eb3bd77ad8151c1357 (2026-09-15)

zerver/migrations/0206_stream_rendered_description.py

@@ -0,0 +1,33 @@
+from django.db import migrations, models
+from django.db.backends.base.schema import BaseDatabaseSchemaEditor
+from django.db.migrations.state import StateApps
+
+
+def render_all_stream_descriptions(
+    apps: StateApps, schema_editor: BaseDatabaseSchemaEditor
+) -> None:
+    # FIXME: Application code should not be imported from migrations.
+    from zerver.lib.streams import render_stream_description
+
+    Stream = apps.get_model("zerver", "Stream")
+    all_streams = Stream.objects.exclude(description="")
+    for stream in all_streams:
+        stream.rendered_description = render_stream_description(stream.description, stream.realm)
+        stream.save(update_fields=["rendered_description"])
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("zerver", "0205_remove_realmauditlog_requires_billing_update"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="stream",
+            name="rendered_description",
+            field=models.TextField(default=""),
+        ),
+        migrations.RunPython(
+            render_all_stream_descriptions, reverse_code=migrations.RunPython.noop, elidable=True
+        ),
+    ]