update quota

Reviewed-on: #13
Reviewed-by: guus <guus@noreply.%(DOMAIN)s>

.gitignore

@@ -3,6 +3,8 @@
 db.sqlite3
 *.pyc
 */__pycache__/
-*/migrations/
 albums/
 wallpapers/
+frontend/node_modules/
+frontend/.next/
+frontend/src/data/types.ts

backend/example.env

@@ -1,9 +1,11 @@
 SPOTIFY_ENCODED_ID=<Spotify-API-Token>
 OIDC_RP_CLIENT_ID=<OIDC-Client-ID>
 OIDC_RP_CLIENT_SECRET=<OIDC-Client-Secret>
+OIDC_RP_SIGN_ALGO=RS256
 OIDC_OP_AUTHORIZATION_ENDPOINT=https://auth.yourwebsite.com/application/o/authorize/
 OIDC_OP_TOKEN_ENDPOINT=https://auth.yourwebsite.com/application/o/token/
 OIDC_OP_USER_ENDPOINT=https://auth.yourwebsite.com/application/o/userinfo/
+OIDC_OP_JWKS_ENDPOINT=https://auth.yourwebsite.com/application/o/name/jwks/
 AI_ENDPOINT=http://localhost:11434/api/generate
 AI_MODEL=myModel
 DATE_OPEN=<ISO-formatted date>

backend/muzak/auth.py

@@ -0,0 +1,23 @@
+from rest_framework.authentication import BaseAuthentication
+from rest_framework.exceptions import AuthenticationFailed
+from mozilla_django_oidc.auth import OIDCAuthenticationBackend
+from django.contrib.auth.models import User
+
+class OIDCBearerTokenAuthentication(BaseAuthentication):
+    def authenticate(self, request):
+        auth = request.META.get('HTTP_AUTHORIZATION', '')
+        if not auth.startswith('Bearer '):
+            return None
+        token = auth.split(' ')[1]
+
+        backend = OIDCAuthenticationBackend()
+
+        try:
+            claims = backend.verify_token(token)
+        except Exception as e:
+            raise AuthenticationFailed(f'Invalid token: {e}')
+
+        user = backend.filter_users_by_claims(claims).first()
+        if not user:
+            raise AuthenticationFailed(f'Unknown user: {claims}')
+        return (user, None)

backend/muzak/settings.py

@@ -13,6 +13,7 @@ SECRET_KEY = 'oefjei1lwe918Alkfwuf3ionwu-@kt)6m1e)ah$&^_i9y!qffhm-a$#m6+++'
 DEBUG = True
 
 ALLOWED_HOSTS = ['*']
+CORS_ALLOW_ALL_ORIGINS = True
 
 CURRENT_HOST = 'http://127.0.0.1:8000' # Needs to be set for spotify callback to work.
 
@@ -26,11 +27,15 @@ INSTALLED_APPS = [
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'django_htmx',
+    'rest_framework',
+    'corsheaders',
+    'drf_spectacular',
 ]
 
 MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
+    "corsheaders.middleware.CorsMiddleware",
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
     'django.contrib.auth.middleware.AuthenticationMiddleware',
@@ -85,11 +90,31 @@ AUTHENTICATION_BACKENDS = (
     'django.contrib.auth.backends.ModelBackend',
 )
 
+REST_FRAMEWORK = {
+    'DEFAULT_AUTHENTICATION_CLASSES': [
+        'muzak.auth.OIDCBearerTokenAuthentication',
+        'mozilla_django_oidc.contrib.drf.OIDCAuthentication',
+        'rest_framework.authentication.SessionAuthentication',
+    ],
+    'DEFAULT_PERMISSION_CLASSES': [
+        'rest_framework.permissions.IsAuthenticated',
+    ],
+    'DEFAULT_SCHEMA_CLASS': 'drf_spectacular.openapi.AutoSchema',
+}
+
+SPECTACULAR_SETTINGS = {
+    'TITLE': 'HDcon Muzak',
+    'DESCRIPTION': 'Gewoon een leuk tooltje om samen met je vrienden een muzieklijst samen te stellen.',
+    'VERSION': '1.0.0',
+}
+
 OIDC_RP_CLIENT_ID = os.getenv('OIDC_RP_CLIENT_ID')
 OIDC_RP_CLIENT_SECRET = os.getenv('OIDC_RP_CLIENT_SECRET')
 OIDC_OP_AUTHORIZATION_ENDPOINT = os.getenv('OIDC_OP_AUTHORIZATION_ENDPOINT')
 OIDC_OP_TOKEN_ENDPOINT = os.getenv('OIDC_OP_TOKEN_ENDPOINT')
 OIDC_OP_USER_ENDPOINT = os.getenv('OIDC_OP_USER_ENDPOINT')
+OIDC_RP_SIGN_ALGO = os.getenv('OIDC_RP_SIGN_ALGO')
+OIDC_OP_JWKS_ENDPOINT = os.getenv('OIDC_OP_JWKS_ENDPOINT')
 LOGIN_REDIRECT_URL = "/"
 LOGOUT_REDIRECT_URL = "/"
 LOGIN_URL = "/"

backend/playlist/migrations/0001_initial.py

@@ -0,0 +1,48 @@
+# Generated by Django 5.0.1 on 2024-02-04 22:50
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Artist',
+            fields=[
+                ('id', models.CharField(max_length=128, primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=255)),
+                ('popularity', models.SmallIntegerField(blank=True, null=True)),
+                ('genres', models.JSONField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Album',
+            fields=[
+                ('id', models.CharField(max_length=128, primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=255)),
+                ('album_type', models.CharField(max_length=255)),
+                ('total_tracks', models.PositiveSmallIntegerField(null=True)),
+                ('image', models.ImageField(upload_to='albums/')),
+                ('artists', models.ManyToManyField(to='playlist.artist')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Track',
+            fields=[
+                ('id', models.CharField(max_length=128, primary_key=True, serialize=False)),
+                ('title', models.CharField(max_length=255)),
+                ('explicit', models.BooleanField(default=False)),
+                ('duration_ms', models.PositiveIntegerField(null=True)),
+                ('popularity', models.PositiveIntegerField(null=True)),
+                ('banter', models.TextField()),
+                ('album', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='playlist.album')),
+                ('artists', models.ManyToManyField(to='playlist.artist')),
+            ],
+        ),
+    ]

backend/playlist/migrations/0002_track_old.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-02-05 21:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='track',
+            name='old',
+            field=models.BooleanField(default=False),
+        ),
+    ]

backend/playlist/migrations/0003_rename_title_track_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-02-05 21:11
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0002_track_old'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='track',
+            old_name='title',
+            new_name='name',
+        ),
+    ]

backend/playlist/migrations/0004_alter_artist_genres_alter_track_banter.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.0.1 on 2024-02-05 22:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0003_rename_title_track_name'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='artist',
+            name='genres',
+            field=models.JSONField(null=True),
+        ),
+        migrations.AlterField(
+            model_name='track',
+            name='banter',
+            field=models.TextField(blank=True),
+        ),
+    ]

backend/playlist/migrations/0005_vote.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.0.1 on 2024-02-07 12:26
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0004_alter_artist_genres_alter_track_banter'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Vote',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('points', models.IntegerField()),
+                ('track', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='playlist.track')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'unique_together': {('user', 'track')},
+            },
+        ),
+    ]

backend/playlist/migrations/0006_track_banter_done.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-02-07 19:48
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0005_vote'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='track',
+            name='banter_done',
+            field=models.BooleanField(default=False),
+        ),
+    ]

backend/playlist/migrations/0007_album_image_url.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-02-12 13:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0006_track_banter_done'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='album',
+            name='image_url',
+            field=models.URLField(null=True),
+        ),
+    ]

backend/playlist/migrations/0008_background_profile.py

@@ -0,0 +1,32 @@
+# Generated by Django 5.0.1 on 2024-02-21 13:26
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0007_album_image_url'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Background',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('image', models.ImageField(upload_to='wallpapers/')),
+                ('repeat', models.BooleanField(default=False)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Profile',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('background', models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='playlist.background')),
+                ('user', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

backend/playlist/migrations/0009_background_name.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.1 on 2024-02-21 13:31
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0008_background_profile'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='background',
+            name='name',
+            field=models.CharField(default='Wallpaper', max_length=128),
+            preserve_default=False,
+        ),
+    ]

backend/playlist/migrations/0010_background_color.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-02-21 14:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0009_background_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='background',
+            name='color',
+            field=models.CharField(blank=True, max_length=32),
+        ),
+    ]

backend/playlist/migrations/0011_alter_background_image.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-02-21 14:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0010_background_color'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='background',
+            name='image',
+            field=models.ImageField(null=True, upload_to='wallpapers/'),
+        ),
+    ]

backend/playlist/migrations/0012_alter_background_image.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-02-21 14:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0011_alter_background_image'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='background',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='wallpapers/'),
+        ),
+    ]

backend/playlist/migrations/0013_profile_last_voted.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.1 on 2024-02-26 18:38
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0012_alter_background_image'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='profile',
+            name='last_voted',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to='playlist.track'),
+        ),
+    ]

backend/playlist/migrations/0014_profile_quota_profile_quota_last_updated.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.0.1 on 2024-02-26 20:46
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0013_profile_last_voted'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='profile',
+            name='quota',
+            field=models.FloatField(default=10.0),
+        ),
+        migrations.AddField(
+            model_name='profile',
+            name='quota_last_updated',
+            field=models.DateTimeField(auto_now=True),
+        ),
+    ]

backend/playlist/migrations/0015_alter_profile_quota_last_updated.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.1 on 2024-02-26 22:17
+
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0014_profile_quota_profile_quota_last_updated'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='profile',
+            name='quota_last_updated',
+            field=models.DateTimeField(default=django.utils.timezone.now),
+        ),
+    ]

backend/playlist/migrations/0016_profile_spt_access_token_profile_spt_refresh_token_and_more.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.0.1 on 2024-03-08 23:53
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0015_alter_profile_quota_last_updated'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='profile',
+            name='spt_access_token',
+            field=models.CharField(default='', max_length=128),
+        ),
+        migrations.AddField(
+            model_name='profile',
+            name='spt_refresh_token',
+            field=models.CharField(default='', max_length=128),
+        ),
+        migrations.CreateModel(
+            name='Playlist',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('tracks', models.ManyToManyField(to='playlist.track')),
+            ],
+        ),
+    ]

backend/playlist/migrations/0017_profile_spt_expires.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.1 on 2024-03-08 23:56
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0016_profile_spt_access_token_profile_spt_refresh_token_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='profile',
+            name='spt_expires',
+            field=models.DateTimeField(default=None, null=True),
+        ),
+    ]

backend/playlist/migrations/0018_alter_profile_spt_access_token_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.0.1 on 2024-03-13 08:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0017_profile_spt_expires'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='profile',
+            name='spt_access_token',
+            field=models.CharField(default='', max_length=128, null=True),
+        ),
+        migrations.AlterField(
+            model_name='profile',
+            name='spt_refresh_token',
+            field=models.CharField(default='', max_length=128, null=True),
+        ),
+    ]

backend/playlist/migrations/0019_vote_skipped.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.4 on 2024-07-20 06:58
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0018_alter_profile_spt_access_token_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='vote',
+            name='skipped',
+            field=models.BooleanField(default=False),
+        ),
+    ]

backend/playlist/migrations/0020_track_nominated_by_alter_profile_spt_access_token_and_more.py

@@ -0,0 +1,31 @@
+# Generated by Django 5.0.4 on 2024-07-21 07:59
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0019_vote_skipped'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='track',
+            name='nominated_by',
+            field=models.ForeignKey(default=None, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AlterField(
+            model_name='profile',
+            name='spt_access_token',
+            field=models.CharField(blank=True, default='', max_length=256, null=True),
+        ),
+        migrations.AlterField(
+            model_name='profile',
+            name='spt_refresh_token',
+            field=models.CharField(blank=True, default='', max_length=256, null=True),
+        ),
+    ]

backend/playlist/migrations/0021_track_from_playlist_alter_track_album_and_more.py

@@ -0,0 +1,46 @@
+# Generated by Django 5.0.4 on 2024-07-22 20:32
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0020_track_nominated_by_alter_profile_spt_access_token_and_more'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='track',
+            name='from_playlist',
+            field=models.CharField(blank=True, default=None, max_length=255, null=True),
+        ),
+        migrations.AlterField(
+            model_name='track',
+            name='album',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='playlist.album'),
+        ),
+        migrations.AlterField(
+            model_name='track',
+            name='banter',
+            field=models.TextField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='track',
+            name='duration_ms',
+            field=models.PositiveIntegerField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='track',
+            name='nominated_by',
+            field=models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AlterField(
+            model_name='track',
+            name='popularity',
+            field=models.PositiveIntegerField(blank=True, null=True),
+        ),
+    ]

backend/playlist/migrations/0022_background_cover.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0.4 on 2024-07-23 11:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('playlist', '0021_track_from_playlist_alter_track_album_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='background',
+            name='cover',
+            field=models.BooleanField(default=False),
+        ),
+    ]

backend/playlist/models/profile.py

@@ -55,14 +55,14 @@ class Profile(models.Model):
         """Is this user allowed to nominate at this point in time?"""
         end_date = os.getenv('DATE_NOM_END')
         if self.user.is_superuser:
-            return (True,)
+            return (True, None)
         if end_date:
             end_date = datetime.fromisoformat(end_date)
             if end_date <= datetime.now(tz=UTC):
                 return (False, "over")
         if self.quota < 1:
             return (False, "quota")
-        return (True,)
+        return (True, None)
 
     @property
     def can_vote(self):

backend/playlist/models/track.py

@@ -0,0 +1,149 @@
+from django.db import models
+from django.contrib.auth.models import User
+from random import choice
+from .album import Album
+from .artist import Artist
+from .vote import Vote
+from playlist.spotify import spt
+#from playlist.utils import track_from_json
+import re
+
+class TrackManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().filter(old=False)
+
+    def from_json(self, cls, json):
+        try:
+            return cls.objects.get(pk=json["id"])
+        except cls.DoesNotExist:
+            keys = [f.name for f in cls._meta.get_fields()]
+            subset = {key:json[key] for key in set(keys) & set(json.keys())}
+            return cls.objects.create(**subset)
+
+    def track_from_json(self, json):
+        """Creates the track, album and artist from spotify response."""
+        # Album artists
+        album_artists = []
+        for artist in json["album"]["artists"]:
+            album_artists.append(self.from_json(Artist, artist))
+        del json["album"]["artists"]
+
+        # Album
+        album = self.from_json(Album, json["album"])
+        album.image_url = json["album"]["images"][0]["url"]
+        album.save()
+        del json["album"]
+        for artist in album_artists:
+            album.artists.add(artist)
+
+        # Track artists
+        track_artists = []
+        for artist in json["artists"]:
+            track_artists.append(self.from_json(Artist, artist))
+        del json["artists"]
+
+        # Track
+        track = self.from_json(Track, json)
+        for artist in track_artists:
+            track.artists.add(artist)
+        track.album = album
+        track.save()
+        return track
+
+    def create_from_spotify(self, spotify_link, profile):
+        if re.match(r"^https:\/\/spotify.link.*", spotify_link):
+            spotify_link = spt.unshort(spotify_link)
+
+        m = re.match(r"^https:\/\/open.spotify.com\/track\/([a-zA-Z0-9]+)\??", spotify_link)
+        if m is None:
+            return None, Exception("Invalid Spotify track URL")
+
+        spotify_id = m.group(1)
+
+        try:
+            existing_track = self.model.all_tracks.get(pk=spotify_id)
+            if existing_track.old:
+                existing_track.old = False
+                existing_track.user = profile.user
+                existing_track.save()
+                return (existing_track, "Updated old track")
+            else:
+                return (None, "Track already exists")
+        except:
+           pass
+        try:
+            json = spt.get_song_info(spotify_id)
+        except Exception as e:
+            print(e)
+            return (None, "Error fetching track")
+            #return TemplateResponse(request, "Nominate.html", {"message_type": "error", "message": "Fout bij het ophalen van het liedje."})
+
+        track = self.track_from_json(json)
+        track.nominated_by = profile.user
+        track.save()
+        dup = track.is_duplicate_of()
+        if dup:
+            track.delete()
+            return (None, "Track already exists")
+        #get_banter.delay(track.id)
+        profile.quota -= 1
+        profile.save()
+        return (track, None)
+
+class Track(models.Model):
+    def __str__(self):
+        s = f"'{self.name}'"
+        if self.artists.count() > 0:
+            artists = list(map(lambda a:a.name, self.artists.all()))
+            s += " door "
+            s += " & ".join(artists)
+        return s
+    @property
+    def artist(self):
+        if self.artists.count() > 0:
+            artists = list(map(lambda a:a.name, self.artists.all()))
+            return " & ".join(artists)
+
+    @property
+    def album_cover(self):
+        if self.album:
+            return self.album.image_url
+
+    @property
+    def name_sanitized(self):
+        return re.match("[^\-\(]*\w", self.name)[0]
+
+    @property
+    def link(self):
+        return f'https://open.spotify.com/track/{self.id}'
+
+    @property
+    def score(self):
+        return Vote.objects.filter(track=self.id).aggregate(rating=models.Avg("points"))["rating"]
+
+    def is_duplicate_of(self):
+        tracks = Track.objects.exclude(id=self.id).filter(name__startswith=self.name_sanitized)
+        artists = [artist.name for artist in self.artists.all()]
+        for artist in artists:
+            tracks = tracks.filter(artists__name__exact=artist)
+        return tracks.first()
+
+
+    id = models.CharField(primary_key=True, max_length=128)
+    nominated_by = models.ForeignKey(User, blank=True, null=True, default=None, on_delete=models.SET_NULL)
+    name = models.CharField(max_length=255)
+    artists = models.ManyToManyField(Artist)
+    album = models.ForeignKey(Album, blank=True, null=True, on_delete=models.SET_NULL)
+
+    explicit = models.BooleanField(default=False)
+    duration_ms = models.PositiveIntegerField(blank=True, null=True)
+    popularity = models.PositiveIntegerField(blank=True, null=True)
+
+    banter = models.TextField(null=True, blank=True)
+    banter_done = models.BooleanField(default=False)
+
+    old = models.BooleanField(default=False)
+    from_playlist = models.CharField(max_length=255, null=True, blank=True, default=None)
+
+    objects = TrackManager()
+    all_tracks = models.Manager()

backend/playlist/models/vote.py

@@ -1,10 +1,11 @@
 from django.db import models
 from django.contrib.auth.models import User
+from django.core.validators import MinValueValidator, MaxValueValidator
 
 class Vote(models.Model):
     class Meta:
         unique_together = ["user", "track"]
     track = models.ForeignKey('Track', on_delete=models.CASCADE)
     user = models.ForeignKey(User, on_delete=models.CASCADE)
-    points = models.IntegerField()
+    points = models.IntegerField(validators=[MinValueValidator(1), MaxValueValidator(5)])
     skipped = models.BooleanField(default=False)

backend/playlist/serializers/__init__.py

@@ -0,0 +1,6 @@
+from .track import *
+from .artist import *
+from .user import *
+from .album import *
+from .profile import *
+from .vote import *

backend/playlist/serializers/album.py

@@ -0,0 +1,47 @@
+from os import extsep
+from django.db.models.functions import Extract
+from playlist.models import Album
+from rest_framework import serializers
+from drf_spectacular.utils import extend_schema_serializer, OpenApiExample
+
+@extend_schema_serializer(
+    examples = [
+        OpenApiExample(
+            name='Album Example',
+            value = {
+                "url": "http://muzak.hoekveen.net/api/album/7MejfRSNnrpcLZIxkeZDqR",
+                "name": "Leftoverture (Expanded Edition)",
+                "album_type": "album",
+                "total_tracks": 10,
+                "image": "http://127.0.0.1:8001/albums/Leftoverture_Expanded_Edition.png",
+                "image_url": "https://i.scdn.co/image/ab67616d0000b2731be40e44db112e123e5e8b51",
+                "artists": [
+                    "http://127.0.0.1:8001/api/artist/2hl0xAkS2AIRAu23TVMBG1"
+                ]
+            }
+        ),
+        OpenApiExample(
+            name = 'Multiple artist single',
+            value = {
+                "url": "http://127.0.0.1:8001/api/album/1pHD8AFu4z1CvuTPjZFOFi",
+                "name": "ラビリンス",
+                "album_type": "single",
+                "total_tracks": 4,
+                "image": None,
+                "image_url": "https://i.scdn.co/image/ab67616d0000b2731607d3aa3a69ca0e1ffbe26b",
+                "artists": [
+                    "http://127.0.0.1:8001/api/artist/4ZX8Wr8KHHrW7radu6IwYG",
+                    "http://127.0.0.1:8001/api/artist/4d2zOuYJHBPJTpVblHEKJb"
+                ]
+            }
+        )
+    ]
+)
+class AlbumSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Album
+        fields = '__all__'
+        extra_kwargs = {
+            'url': {'view_name': 'api-album', 'lookup_field': 'id'},
+            'artists': {'view_name': 'api-artist', 'lookup_field': 'id'},
+        }

backend/playlist/serializers/artist.py

@@ -0,0 +1,31 @@
+from playlist.models import Artist
+from rest_framework import serializers
+from drf_spectacular.utils import extend_schema_serializer, OpenApiExample
+
+@extend_schema_serializer(
+    examples=[
+        OpenApiExample(
+            'Daft Punk',
+            value = {
+                "id": "4tZwfgrHOc3mvqYlEYSvVi",
+                "name": "Daft Punk",
+                "url": "http://127.0.0.1:8001/api/artist/4tZwfgrHOc3mvqYlEYSvVi"
+            }
+        ),
+        OpenApiExample(
+            'コリッキー',
+            value = {
+                "id": "307y5sbPNvRpXjBcZgS25q",
+                "name": "コリッキー",
+                "url": "http://127.0.0.1:8001/api/artist/307y5sbPNvRpXjBcZgS25q"
+            }
+        )
+    ]
+)
+class ArtistSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Artist
+        fields = ['id', 'name', 'url']
+        extra_kwargs = {
+            'url': {'view_name': 'api-artist', 'lookup_field': 'id'},
+        }

backend/playlist/serializers/profile.py

@@ -0,0 +1,20 @@
+from playlist.models import Profile, Background
+from rest_framework import serializers
+
+class BackgroundSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Background
+        fields = '__all__'
+
+class ProfileSerializer(serializers.ModelSerializer):
+    background = BackgroundSerializer()
+
+    class Meta:
+        model = Profile
+        fields = '__all__'
+
+class ProfileUpdateSerializer(serializers.ModelSerializer):
+    background = serializers.PrimaryKeyRelatedField(many=False, queryset=Background.objects.all())
+    class Meta:
+        model = Profile
+        fields = ['background']

backend/playlist/serializers/track.py

@@ -0,0 +1,61 @@
+from playlist.models import Track
+from rest_framework import serializers
+from drf_spectacular.utils import extend_schema_serializer, OpenApiExample
+
+
+@extend_schema_serializer(
+    examples = [
+         OpenApiExample(
+            'Song with banter',
+            value={
+                "url": "http://127.0.0.1:8001/api/track/0AzD1FEuvkXP1verWfaZdv",
+                "name": "Cbat",
+                "explicit": False,
+                "duration_ms": 171720,
+                "popularity": 0,
+                "banter": "Als je denkt dat \"Cbat\" van Hudson Mohawke de soundtrack is voor het onhandig manoeuvreren van een stelletje klunzen die elkaar constant in de weg zitten, dan heb je waarschijnlijk gelijk. Dit nummer, waarin de beats net zo chaotisch zijn als de liefdesperikelen van een tiener op een eerste date, is het perfecte liedje voor iedereen die zich ooit heeft afgevraagd hoe je een kat kunt imiteren zonder dat je daadwerkelijk een kat bent.",
+                "banter_done": True,
+                "old": False,
+                "from_playlist": None,
+                "nominated_by": "http://127.0.0.1:8001/api/user/1",
+                "album": "http://127.0.0.1:8001/api/album/0d99LxnQpiPLgSGDRuU9HT",
+                "artists": [
+                    "http://127.0.0.1:8001/api/artist/6olWbKW2VLhFCHfOi0iEDb"
+                ]
+            }
+        ),
+        OpenApiExample(
+           'Song from old playlist',
+           description='While this track is from an old playlist, old is still set to False as it has been nominated again this year.',
+           value={
+                "url": "http://127.0.0.1:8001/api/track/4QGUlo1swUpXduW23JM57S",
+                "name": "You Bring On The Sun",
+                "explicit": False,
+                "duration_ms": 215400,
+                "popularity": 43,
+                "banter": None,
+                "banter_done": False,
+                "old": False,
+                "from_playlist": "HD Con 2020 A",
+                "nominated_by": None,
+                "album": "http://127.0.0.1:8001/api/album/01QglfxMtbN2EVEyGWpPyQ",
+                "artists": [
+                    "http://127.0.0.1:8001/api/artist/0gcMPgunYh4rX1UOdvZKBn"
+                ]
+            }
+       ),
+    ]
+)
+class TrackSerializer(serializers.HyperlinkedModelSerializer):
+    artist = serializers.CharField()
+    album_cover = serializers.CharField()
+
+    class Meta:
+        model = Track
+        fields = '__all__'
+        extra_kwargs = {
+            'url': {'view_name': 'api-track', 'lookup_field': 'id'},
+            'artists': {'view_name': 'api-artist', 'lookup_field': 'id'},
+            'album': {'view_name': 'api-album', 'lookup_field': 'id'},
+            'nominated_by': {'view_name': 'api-user', 'lookup_field': 'id'},
+        }

backend/playlist/serializers/user.py

@@ -0,0 +1,7 @@
+from django.contrib.auth.models import User
+from rest_framework import serializers
+
+class UserSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = User
+        fields = ['id', 'username', 'email']

backend/playlist/serializers/vote.py

@@ -0,0 +1,28 @@
+from rest_framework import serializers
+from playlist.models import Vote, Track
+
+class VoteSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Vote
+        fields = '__all__'
+        extra_kwargs = {
+            'url': {'view_name': 'api-vote', 'lookup_field': 'id'},
+            'track': {'view_name': 'api-track', 'lookup_field': 'id'},
+            'user': {'view_name': 'api-user', 'lookup_field': 'id'}
+        }
+
+class VoteSaveSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Vote
+        fields = ['track', 'points', 'skipped']
+
+    def create(self, validated_data):
+        """
+        Create a new vote. Deletes a previous skipped vote if it exists.
+        """
+        user = self.context['request'].user
+        track = validated_data['track']
+        previous_vote = Vote.objects.filter(user=user, track=track).first()
+        if previous_vote and previous_vote.skipped:
+            previous_vote.delete()
+        return Vote.objects.create(**validated_data)