Testing text2img command (will be replaced, only for tests); added exception handling, queue and database table with generated images

bot/callbacks/exception.py

@@ -0,0 +1,15 @@
+from bot.common import dp
+from bot.db import db, DBTables
+from aiogram import types
+from .factories.exception import exception_callback
+
+
+async def on_exception(call: types.CallbackQuery, callback_data: dict):
+    e_id = callback_data['e_id']
+    e = db[DBTables.exceptions][e_id]
+    del db[DBTables.exceptions][e_id]
+    await call.message.edit_text(e, parse_mode='html')
+
+
+def register():
+    dp.register_callback_query_handler(on_exception, exception_callback.filter())