Add downloading

fastapi_file_server/app/services/storages.py

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+from telegram_files_storage import AiogramFilesStorage, TelethonFilesStorage
+
+from core.config import env_config
+
+
+class StoragesContainer:
+    AIOGRAM_STORAGES: list[AiogramFilesStorage] = []
+    TELETHON_STORAGES: list[TelethonFilesStorage] = []
+
+    @classmethod
+    async def prepare(cls):
+        if env_config.BOT_TOKENS:
+            cls.AIOGRAM_STORAGES: list[AiogramFilesStorage] = [
+                AiogramFilesStorage(env_config.TELEGRAM_CHAT_ID, token)
+                for token in env_config.BOT_TOKENS
+            ]
+
+        if env_config.TELETHON_APP_CONFIG and env_config.TELETHON_SESSIONS:
+            cls.TELETHON_STORAGES: list[TelethonFilesStorage] = [
+                TelethonFilesStorage(
+                    env_config.TELEGRAM_CHAT_ID,
+                    env_config.TELETHON_APP_CONFIG.APP_ID,
+                    env_config.TELETHON_APP_CONFIG.API_HASH,
+                    session,
+                )
+                for session in env_config.TELETHON_SESSIONS
+            ]
+
+        for storage in [*cls.AIOGRAM_STORAGES, *cls.TELETHON_STORAGES]:
+            await storage.prepare()