this should probably fix issue #1

info.py

@@ -28,3 +28,7 @@
 """
 
 SHARE_BUTTON_TEXT = 'Checkout {username} for searching files'
+
+
+USER_SESSION = environ.get('USER_SESSION', 'User_Bot')
+USER_CHANNELS = [int(channel) if re.search('^-100\d+$', channel) else channel for channel in environ['CHANNELS'].split()]

one_time_index_r.py

@@ -0,0 +1,31 @@
+import asyncio
+from pyrogram import Client
+from info import SESSION, USER_SESSION, API_ID, API_HASH, USER_CHANNELS, BOT_TOKEN
+from utils import save_file
+
+
+async def moin():
+    app = Client(USER_SESSION, API_ID, API_HASH)
+    await app.start()
+    bot = Client(SESSION, API_ID, API_HASH, bot_token=BOT_TOKEN)
+    await bot.start()
+    for channel in USER_CHANNELS:
+        async for user_message in app.iter_history(channel):
+            message = await bot.get_messages(
+                channel,
+                user_message.message_id,
+                replies=0
+            )
+            print(message)
+            for file_type in ("document", "video", "audio"):
+                media = getattr(message, file_type, None)
+                if media is not None:
+                    break
+            else:
+                continue
+            media.file_type = file_type
+            media.caption = message.caption
+            await save_file(media)
+
+
+asyncio.run(moin())

sample_info.py

@@ -24,4 +24,7 @@
 Here you can search files in inline mode. Just press follwing buttons and start searching.
 """
 
-SHARE_BUTTON_TEXT = 'Checkout {username} for searching files'
+SHARE_BUTTON_TEXT = 'Checkout {username} for searching files'
+
+USER_SESSION = 'User_Bot'
+USER_CHANNELS = [-10012345678, -100987654321, 'channelusername']