refac

backend/open_webui/migrations/versions/b10670c03dd5_update_user_table.py

@@ -185,9 +185,7 @@ def upgrade() -> None:
         for uid, oauth_sub in rows:
             if oauth_sub:
                 provider, sub = oauth_sub.split('@', 1) if '@' in oauth_sub else ('oidc', oauth_sub)
-                conn.execute(
-                    sa.update(_user).where(_user.c.id == uid).values(oauth=json.dumps({provider: {'sub': sub}}))
-                )
+                conn.execute(sa.update(_user).where(_user.c.id == uid).values(oauth={provider: {'sub': sub}}))
 
     # ── Migrate api_key column → api_key table (only if old column still exists)
     if 'api_key' in user_columns:
@@ -226,7 +224,7 @@ def downgrade() -> None:
 
     for uid, oauth in rows:
         try:
-            data = json.loads(oauth)
+            data = oauth if isinstance(oauth, dict) else json.loads(oauth)
             provider = list(data.keys())[0]
             sub = data[provider].get('sub')
             oauth_sub = f'{provider}@{sub}'