✨ Added background-tasks and image-cleanup

classquiz/helpers/bg_tasks.py

@@ -0,0 +1,21 @@
+#  This Source Code Form is subject to the terms of the Mozilla Public
+#  License, v. 2.0. If a copy of the MPL was not distributed with this
+#  file, You can obtain one at https://mozilla.org/MPL/2.0/.
+from classquiz.config import redis, storage
+from classquiz.storage.errors import DeletionFailedError
+
+
+async def clean_editor_images_up():
+    print("Cleaning images up")
+    edit_sessions = await redis.smembers("edit_sessions")
+    for session_id in edit_sessions:
+        session = await redis.get(f"edit_session:{session_id}")
+        if session is None:
+            images = await redis.lrange(f"edit_session:{session_id}:images", 0, 3000)
+            if len(images) != 0:
+                try:
+                    await storage.delete(images)
+                except DeletionFailedError:
+                    print("Deletion Error", images)
+            await redis.srem("edit_sessions", session_id)
+            await redis.delete(f"edit_session:{session_id}:images")