Add rudimentary manual scrobbling

vrobbler/apps/scrobbles/models.py

@@ -42,24 +42,27 @@ class Scrobble(TimeStampedModel):
 
     @property
     def percent_played(self) -> int:
-        if (
-            self.playback_position_ticks
-            and self.media_obj.run_time_ticks
-            and self.source != 'Mopidy'
-        ):
-            return int(
-                (self.playback_position_ticks / self.media_obj.run_time_ticks)
-                * 100
-            )
-        # If we don't have media_obj.run_time_ticks, let's guess from created time
-        now = timezone.now()
-        playback_duration = (now - self.created).seconds
-        if playback_duration and self.media_obj.run_time:
-            return int(
-                (playback_duration / int(self.media_obj.run_time)) * 100
-            )
+        playback_ticks = None
+        percent_played = 100
 
-        return 0
+        if not self.media_obj.run_time_ticks:
+            logger.warning(
+                f"{self} has no run_time_ticks value, cannot show percent played"
+            )
+            return percent_played
+
+        playback_ticks = self.playback_position_ticks
+        if not playback_ticks:
+            logger.info(
+                "No playback_position_ticks, estimating based on creation time"
+            )
+            playback_ticks = (timezone.now() - self.timestamp).seconds * 1000
+
+        percent = int((playback_ticks / self.media_obj.run_time_ticks) * 100)
+
+        if percent > 100:
+            percent = 100
+        return percent
 
     @property
     def media_obj(self):