Fix --add flag

youtube_api.py

@@ -30,7 +30,7 @@ def get_playlist_length(youtube, playlist_id):
 
     return playlist_info['items'][0]['contentDetails']['itemCount']
 
-def list_songs(youtube, channel_id):
+def list_songs(youtube, channel_id, stdout=False):
     max_results = 50
     request = youtube.playlistItems().list(
         part="snippet,contentDetails",
@@ -41,9 +41,15 @@ def list_songs(youtube, channel_id):
     print()
 
     # Process the first page of results
+    deleted = 0
+    songs_list = []
+    
     for idx, item in enumerate(response['items'], start=1):
         title = item['snippet']['title']
-        print(f"{idx:02d} - {title}")
+        if title == "Deleted video":
+            deleted += 1
+            continue
+        songs_list.append(f"{idx-deleted:02d} - {title}")
 
     # Continue making requests for additional pages using pageToken
     new_starting = 51
@@ -55,12 +61,28 @@ def list_songs(youtube, channel_id):
             pageToken=response['nextPageToken']
         )
         response = request.execute()
+
         # Process the results for the additional pages
         for idx, item in enumerate(response['items'], start=new_starting):
             title = item['snippet']['title']
-            print(f"{idx:02d} - {title}")
+            if title == "Deleted video":
+                deleted += 1
+                continue    
+            songs_list.append(f"{idx-deleted:02d} - {title}")
         new_starting += 50
     
+    if stdout:
+        # Print to standard output
+        print("\n".join(songs_list))
+
+    get_key_by_value = lambda dict, val: next((k for k, v in dict.items() if v == val), None)
+    
+    channel_name = get_key_by_value(channels, channel_id)
+
+    # Save to file if output_file is provided
+    with open(f"{channel_name} songs", 'w', encoding='utf-8') as file:
+        file.write("\n".join(songs_list))
+
 def add_song(youtube, channel_id, song):
     pos = get_playlist_length(youtube, channel_id)
 
@@ -83,23 +105,17 @@ def add_song(youtube, channel_id, song):
 
 def main():
     parser = argparse.ArgumentParser(description="Manage YouTube playlist songs.")
-    parser.add_argument("channel_name", help="Name of the YouTube channel")
-    parser.add_argument(
-        "--list",
-        action="store_true",
-        help="List all songs in the playlist"
-    )
-    parser.add_argument(
-        "--add",
-        nargs=2,
-        metavar=("channel", "song"),
-        help="Add to the playlist a song"
-    )
+    parser.add_argument("-l", "--list", action="store_true", help="List songs in the playlist")
+    parser.add_argument("-a", "--add", metavar="song", help="Add a song to the playlist")
+    parser.add_argument("channel_name", help="Name of the playlist")
 
     args = parser.parse_args()
     channel_name = args.channel_name
     channel_id = channels.get(channel_name)
 
+    if not args.list and not args.add:
+        parser.error("Please provide either -l or -a option.")
+
     if not channel_id:
         print(f"Error: Channel '{channel_name}' not found.")
         return
@@ -121,16 +137,14 @@ def main():
         credentials=credentials)
 
     if args.list:
-        list_songs(youtube, channel_id)
+        list_songs(youtube, channel_id, stdout=False)
     elif args.add:
-        target_channel, song = args.add
+        song = args.add
         # # this assumes a song is passed as in either of the following ways
         # # https://youtu.be/eEnyi9L6KP4 --> split by "/"
         # # https://youtube.com/watch?v=Ez-gizOF0Wo --> split by "="
         song = re.split(r"/|=", song)[-1]
-        add_song(youtube, channels.get(target_channel), song)
-    else:
-        print("Invalid command. Use --list or --add.")
+        add_song(youtube, channel_id, song)
 
 if __name__ == "__main__":
     main()