[music] Add albums to tracks and utility to condense tracks

vrobbler/apps/music/migrations/0027_track_albums.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.2.19 on 2025-07-20 20:54
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("music", "0026_album_alt_names"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="track",
+            name="albums",
+            field=models.ManyToManyField(
+                blank=True, null=True, related_name="tracks", to="music.album"
+            ),
+        ),
+    ]

vrobbler/apps/music/models.py

@@ -14,7 +14,12 @@ from imagekit.models import ImageSpecField
 from imagekit.processors import ResizeToFit
 from music.allmusic import get_allmusic_slug, scrape_data_from_allmusic
 from music.bandcamp import get_bandcamp_slug
-from music.musicbrainz import lookup_album_dict_from_mb, lookup_album_from_mb, lookup_track_from_mb, lookup_artist_from_mb
+from music.musicbrainz import (
+    lookup_album_dict_from_mb,
+    lookup_album_from_mb,
+    lookup_track_from_mb,
+    lookup_artist_from_mb,
+)
 from music.theaudiodb import lookup_album_from_tadb, lookup_artist_from_tadb
 from music.utils import clean_artist_name
 from scrobbles.mixins import ScrobblableConstants, ScrobblableMixin
@@ -22,6 +27,7 @@ from scrobbles.mixins import ScrobblableConstants, ScrobblableMixin
 logger = logging.getLogger(__name__)
 BNULL = {"blank": True, "null": True}
 
+
 class Artist(TimeStampedModel):
     """Represents a music artist.
 
@@ -170,7 +176,9 @@ class Artist(TimeStampedModel):
         return f"https://bandcamp.com/search?q={artist}&item_type=b"
 
     @classmethod
-    def find_or_create(cls, name: str = "", musicbrainz_id: str = "") -> "Artist":
+    def find_or_create(
+        cls, name: str = "", musicbrainz_id: str = ""
+    ) -> "Artist":
         keys = {}
         if name:
             name = clean_artist_name(name)
@@ -547,12 +555,8 @@ class Album(TimeStampedModel):
 class Track(ScrobblableMixin):
     COMPLETION_PERCENT = getattr(settings, "MUSIC_COMPLETION_PERCENT", 100)
 
-    class Opinion(models.IntegerChoices):
-        DOWN = -1, "Thumbs down"
-        NEUTRAL = 0, "No opinion"
-        UP = 1, "Thumbs up"
-
     artist = models.ForeignKey(Artist, on_delete=models.DO_NOTHING)
+    albums = models.ManyToManyField(Album, related_name="tracks")
     album = models.ForeignKey(Album, on_delete=models.DO_NOTHING, **BNULL)
     musicbrainz_id = models.CharField(max_length=255, **BNULL)
 
@@ -562,6 +566,10 @@ class Track(ScrobblableMixin):
     def __str__(self):
         return f"{self.title} by {self.artist}"
 
+    @property
+    def primary_album(self):
+        return self.albums.order_by("year").first()
+
     def get_absolute_url(self):
         return reverse("music:track_detail", kwargs={"slug": self.uuid})
 
@@ -590,17 +598,16 @@ class Track(ScrobblableMixin):
             url = self.album.cover_image_medium.url
         return url
 
-
     @classmethod
     def find_or_create(
-            cls,
-            title: str = "",
-            artist_name: str = "",
-            musicbrainz_id: str = "",
-            album_name: str = "",
-            run_time_seconds: int = 900,
-            enrich: bool = False,
-            commit: bool = True
+        cls,
+        title: str = "",
+        artist_name: str = "",
+        musicbrainz_id: str = "",
+        album_name: str = "",
+        run_time_seconds: int = 900,
+        enrich: bool = False,
+        commit: bool = True,
     ) -> "Track":
         """Given a name, try to find the track by the artist from Musicbrainz.
 
@@ -613,13 +620,24 @@ class Track(ScrobblableMixin):
             track = cls.objects.filter(musicbrainz_id=musicbrainz_id).first()
             artist = track.artist
             if not track and not (title and album_name):
-                raise Exception("Cannot find track with musicbrainz_id and no track title or artist name provided.")
+                raise Exception(
+                    "Cannot find track with musicbrainz_id and no track title or artist name provided."
+                )
         else:
             artist = Artist.find_or_create(artist_name)
-            track, created = cls.objects.get_or_create(title=title, artist=artist)
+            track, created = cls.objects.get_or_create(
+                title=title, artist=artist
+            )
 
         if not created:
-            logger.info("Found exact match for track by name and artist", extra={"title": title, "artist_name": artist_name, "track_id": track.id})
+            logger.info(
+                "Found exact match for track by name and artist",
+                extra={
+                    "title": title,
+                    "artist_name": artist_name,
+                    "track_id": track.id,
+                },
+            )
 
             if track.album and album_name != track.album.name:
                 # TODO found track, but it's on a different album ... associations?
@@ -638,14 +656,16 @@ class Track(ScrobblableMixin):
                 found_title: bool = track_dict.get("name", False)
                 mismatched_title: bool = title != track_dict.get("name", "")
                 if found_title and mismatched_title:
-                    logger.warning("Source track title and found title do not match", extra={"title": title, "track_dict": track_dict})
+                    logger.warning(
+                        "Source track title and found title do not match",
+                        extra={"title": title, "track_dict": track_dict},
+                    )
 
             if not run_time_seconds:
                 run_time_seconds = int(
                     int(track_dict.get("length", 900000)) / 1000
                 )
 
-
             track.album = album
             track.artist = artist
             track.run_time_seconds = run_time_seconds

vrobbler/apps/music/utils.py

@@ -1,10 +1,12 @@
 import logging
 import re
 
+from django.db import IntegrityError, models, transaction
 from music.constants import VARIOUS_ARTIST_DICT
 
 logger = logging.getLogger(__name__)
 
+
 def clean_artist_name(name: str) -> str:
     """Remove featured names from artist string."""
     if "feat." in name.lower():
@@ -16,6 +18,7 @@ def clean_artist_name(name: str) -> str:
 
     return name
 
+
 def get_or_create_various_artists() -> "Artist":
     from music.models import Artist
 
@@ -24,3 +27,85 @@ def get_or_create_various_artists() -> "Artist":
         artist = Artist.objects.create(**VARIOUS_ARTIST_DICT)
         logger.info("Created Various Artists placeholder")
     return artist
+
+
+def deduplicate_tracks(commit=False) -> int:
+    from music.models import Track
+
+    duplicates = (
+        Track.objects.values("artist", "title")
+        .annotate(dup_count=models.Count("id"))
+        .filter(dup_count__gt=1)
+    )
+
+    query = models.Q()
+    for dup in duplicates:
+        query |= models.Q(artist=dup["artist"], title=dup["title"])
+
+    duplicate_tracks = Track.objects.filter(query)
+
+    for b in duplicate_tracks:
+        tracks = Track.objects.filter(artist=b.artist, title=b.title)
+        first = tracks.first()
+        for other in tracks.exclude(id=first.id):
+            print("Moving scrobbles for", other.id, " to ", first.id)
+            if commit:
+                with transaction.atomic():
+                    other.scrobble_set.update(track=first)
+                    print("deleting ", other.id, " - ", other)
+                    try:
+                        other.delete()
+                    except IntegrityError as e:
+                        print(
+                            "could not delete ",
+                            other.id,
+                            f": IntegrityError {e}",
+                        )
+    return len(duplicate_tracks)
+
+
+def condense_albums(commit: bool = False):
+    from music.models import Track
+    from scrobbles.models import Scrobble
+
+    processed_ids = []
+    for track in Track.objects.all():
+        albums_to_add = []
+        duplicates = (
+            Track.objects.filter(title=track.title, artist=track.artist)
+            .exclude(id=track.id)
+            .exclude(id__in=processed_ids)
+        )
+
+        if commit and track.album:
+            albums_to_add.append(track.album)
+
+        for dup_track in duplicates:
+            logger.info(f"Adding {dup_track.album} to {track} albums")
+            if commit and dup_track.album:
+                track.albums.add(dup_track.album)
+
+        # Find out if this track appears more than once
+        duplicates = Track.objects.filter(
+            title=track.title, artist=track.artist
+        )
+        if duplicates.count() > 1:
+            logger.info(f"Track appears more than once, condensing: {track}")
+
+            albums_to_add.extend([d.album for d in duplicates])
+            # Find all scrobbles
+            duplicate_ids = duplicates.values_list("id", flat=True)
+            scrobbles = Scrobble.objects.filter(track_id__in=duplicate_ids)
+            logger.info(
+                f"Found {scrobbles.count()} scrobbles to merge onto {track}"
+            )
+            if commit:
+                scrobbles.update(track=track)
+                track.albums.add(*list(set(albums_to_add)))
+
+            processed_ids.extend(duplicate_ids)
+
+        if commit:
+            Track.objects.filter(scrobble__isnull=True).delete()
+
+    return len(set(processed_ids))

vrobbler/apps/scrobbles/management/commands/condense_albums.py

@@ -0,0 +1,19 @@
+from django.core.management.base import BaseCommand
+from vrobbler.apps.music.utils import condense_albums
+
+
+class Command(BaseCommand):
+    def add_arguments(self, parser):
+        parser.add_argument(
+            "--commit",
+            action="store_true",
+            help="Commit changes",
+        )
+
+    def handle(self, *args, **options):
+        commit = False
+        if options["commit"]:
+            commit = True
+        print(f"Condensing albums")
+        album_count = condense_albums(commit)
+        print(f"Condensed {album_count} albums")

vrobbler/apps/scrobbles/management/commands/dedup_tracks.py

@@ -1,5 +1,5 @@
 from django.core.management.base import BaseCommand
-from vrobbler.apps.scrobbles.utils import deduplicate_tracks
+from vrobbler.apps.music.utils import deduplicate_tracks
 
 
 class Command(BaseCommand):
@@ -14,5 +14,7 @@ class Command(BaseCommand):
         commit = False
         if options["commit"]:
             commit = True
+        else:
+            print("No changes will be saved, use --commit to save")
         dups = deduplicate_tracks(commit=commit)
         print(f"Deduplicated {dups} music tracks")

vrobbler/apps/scrobbles/utils.py

@@ -2,17 +2,17 @@ import hashlib
 import logging
 import re
 from datetime import datetime, timedelta, tzinfo
-from sqlite3 import IntegrityError
 from urllib.parse import urlparse
 
 import pytz
 from django.apps import apps
 from django.contrib.auth import get_user_model
-from django.db import models, transaction
+from django.db import models
 from django.utils import timezone
 from profiles.models import UserProfile
 from profiles.utils import now_user_timezone
 from scrobbles.constants import LONG_PLAY_MEDIA
+from scrobbles.notifications import NtfyNotification
 from scrobbles.tasks import (
     process_koreader_import,
     process_lastfm_import,
@@ -20,8 +20,6 @@ from scrobbles.tasks import (
 )
 from webdav.client import get_webdav_client
 
-from vrobbler.apps.scrobbles.notifications import NtfyNotification
-
 logger = logging.getLogger(__name__)
 User = get_user_model()
 
@@ -275,36 +273,6 @@ def get_file_md5_hash(file_path: str) -> str:
     return file_hash.hexdigest()
 
 
-def deduplicate_tracks(commit=False) -> int:
-    from music.models import Track
-
-    # TODO This whole thing should iterate over users
-    dups = []
-
-    for t in Track.objects.all():
-        if Track.objects.filter(title=t.title, artist=t.artist).exists():
-            dups.append(t)
-
-    for b in dups:
-        tracks = Track.objects.filter(artist=b.artist, title=b.title)
-        first = tracks.first()
-        for other in tracks.exclude(id=first.id):
-            print("moving scrobbles for ", other.id, " to ", first.id)
-            if commit:
-                with transaction.atomic():
-                    other.scrobble_set.update(track=first)
-                    print("deleting ", other.id, " - ", other)
-                    try:
-                        other.delete()
-                    except IntegrityError as e:
-                        print(
-                            "could not delete ",
-                            other.id,
-                            f": IntegrityError {e}",
-                        )
-    return len(dups)
-
-
 def send_stop_notifications_for_in_progress_scrobbles() -> int:
     """Get all inprogress scrobbles and check if they're passed their media obj length.