[scrobbles] Auto set playback seconds

PROJECT.org

@@ -92,7 +92,7 @@ fetching and simple saving.
 :LOGBOOK:
 CLOCK: [2025-07-09 Wed 09:55]--[2025-07-09 Wed 10:15] =>  0:20
 :END:
-* Backlog [1/21]
+* Backlog [2/24]
 ** TODO [#C] Create small utility to clean up tracks scrobbled with wonky playback times :vrobbler:personal:bug:music:scrobbles:
 ** TODO [#C] Move to using more robust mopidy-webhooks pacakge form pypi :utility:improvement:
 :PROPERTIES:
@@ -446,10 +446,18 @@ original intent of the scrobble.
 It may also allow us to clean up junk scrobbles if the data was just horribly
 wrong.
 
+** TODO [#A] When creating org-mode tasks, don't copy comments :vrobbler:bug:scrobbles:tasks:
 ** TODO [#A] Fix lookup of music tracks from Musicbrainz :vrobbler:bug:tracks:music:
+:PROPERTIES:
+:ID:       2bc1cc0b-6c4e-bc3d-e7c3-47df364df206
+:END:
 
 Turns out we're not looking up music tracks properly, again.
 
+** DONE [#B] Auto calc duration if no playback time seconds present :vrobbler:bug:scrobbles:personal:project:
+:PROPERTIES:
+:ID:       e16228b2-b062-bd00-32e6-b2353e6406e9
+:END:
 ** DONE [#A] Fix raw text webpage title not truncating to 254 chars :vrobbler:personal:bug:webpages:
 :PROPERTIES:
 :ID:       13fa0efd-2c3f-dd07-deb2-62882096feff

vrobbler/apps/scrobbles/models.py

@@ -702,6 +702,9 @@ class Scrobble(TimeStampedModel):
         if self.media_obj:
             self.media_type = self.MediaType(self.media_obj.__class__.__name__)
 
+        if (self.timestamp and self.stop_timestamp) and (not self.playback_position_seconds or self.playback_position_seconds <= 0):
+            self.playback_position_seconds = (self.stop_timestamp - self.timestamp).seconds
+
         return super(Scrobble, self).save(*args, **kwargs)
 
     def get_absolute_url(self):