Scrobble when metadata changes

- Also fixed markdown issue in README.md

README.md

@@ -6,7 +6,7 @@ A simple LAST.fm scrobbler for WiiM devices.
 
 I started taking the code published in [this post](https://forum.wiimhome.com/threads/last-fm.3144/post-44653) as the starting point.  
 It seems that I cannot get a valid link to the user profile on that board, but anyway the nickname is `cc_rider`.  
-A big thank you goes to him/her for the code he/she shared.    
+A big thank you goes to him/her for the code he/she shared.  
 I then used [pylast](https://github.com/pylast/pylast), as suggested in that thread, for the actual operations on [last.fm](https://www.last.fm/).  
 
 ## Links
@@ -86,6 +86,7 @@ Start the container with the following:
 
 DATE|DESCRIPTION
 :---|:---
+2024-12-21|Scrobble when metadata changes
 2024-12-20|More granular handling of events
 2024-12-19|Algorithm reviewed, should be working now
 2024-12-18|Now playing is executed when appropriate only

upnp_scrobbler/player_state.py

@@ -7,6 +7,7 @@ class PlayerState(Enum):
     PAUSED_PLAYBACK = "PAUSED_PLAYBACK"
     STOPPED = "STOPPED"
     TRANSITIONING = "TRANSITIONING"
+    NO_MEDIA_PRESENT = "NO_MEDIA_PRESENT"
 
 
 def get_player_state(transport_state: str) -> PlayerState:

upnp_scrobbler/scrobbler.py

@@ -272,6 +272,11 @@ def on_event(
                     print("Updating Now Playing with song information because we have new metadata ...")
                     on_playing(from_metadata)
                     now_playing_updated = True
+                    # did the song change?
+                    if g_previous_song and not same_song(g_previous_song, g_current_song):
+                        maybe_scrobble(current_song=g_current_song)
+                        # we scrobbled so we reset g_current_song
+                        g_current_song = None
                 else:
                     print("Not updating g_current_song")
             else: