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

zerver/actions/realm_logo.py

@@ -0,0 +1,38 @@
+from django.db import transaction
+from django.utils.timezone import now as timezone_now
+
+from zerver.lib.realm_logo import get_realm_logo_data
+from zerver.models import Realm, RealmAuditLog, UserProfile
+from zerver.models.realm_audit_logs import AuditLogEventType
+from zerver.models.users import active_user_ids
+from zerver.tornado.django_api import send_event_on_commit
+
+
+@transaction.atomic(durable=True)
+def do_change_logo_source(
+    realm: Realm, logo_source: str, night: bool, *, acting_user: UserProfile | None
+) -> None:
+    if not night:
+        realm.logo_source = logo_source
+        realm.logo_version += 1
+        realm.save(update_fields=["logo_source", "logo_version"])
+
+    else:
+        realm.night_logo_source = logo_source
+        realm.night_logo_version += 1
+        realm.save(update_fields=["night_logo_source", "night_logo_version"])
+
+    RealmAuditLog.objects.create(
+        event_type=AuditLogEventType.REALM_LOGO_CHANGED,
+        realm=realm,
+        event_time=timezone_now(),
+        acting_user=acting_user,
+    )
+
+    event = dict(
+        type="realm",
+        op="update_dict",
+        property="night_logo" if night else "logo",
+        data=get_realm_logo_data(realm, night),
+    )
+    send_event_on_commit(realm, event, active_user_ids(realm.id))