Skeleton of project - database loading

bot/db/db_model.py

@@ -0,0 +1,32 @@
+from sqlitedict import SqliteDict
+from bot.common import bot
+from bot.config import DB_CHAT, DB
+from aiogram.types import InputFile, InputMediaDocument
+from aiogram.utils.exceptions import MessageToEditNotFound
+import time
+from .meta import DBMeta
+
+
+class DBTables:
+    tables = ['config', 'cooldown']
+    config = "config"
+    cooldown = "cooldown"
+
+
+class DBDict(SqliteDict):
+    async def write(self):
+        try:
+            DBMeta()[DBMeta.update_time] = time.time_ns()
+            await bot.edit_message_media(media=InputMediaDocument(InputFile(DB)),
+                                         chat_id=DB_CHAT, message_id=DBMeta()[DBMeta.message_id])
+            await bot.edit_message_caption(
+                caption=DBMeta(), chat_id=DB_CHAT, message_id=DBMeta()[DBMeta.message_id]
+            )
+        except MessageToEditNotFound:
+            DBMeta()[DBMeta.update_time] = time.time_ns()
+            self['db_message_id'] = (await bot.send_document(chat_id=DB_CHAT, document=InputFile(DB),
+                                                             disable_notification=True)).message_id
+            DBMeta()[DBMeta.message_id] = self['db_message_id']
+            await bot.edit_message_caption(
+                caption=DBMeta(), chat_id=DB_CHAT, message_id=self.get('db_message_id')
+            )