serializers.py

from rest_framework import serializers
from taggit.models import Tag

from . import models


class TagSerializer(serializers.ModelSerializer):
    class Meta:
        model = Tag
        fields = ('id', 'name', 'slug')


class SimpleArtistSerializer(serializers.ModelSerializer):
    class Meta:
        model = models.Artist
        fields = ('id', 'mbid', 'name', 'creation_date')


class ArtistSerializer(serializers.ModelSerializer):
    tags = TagSerializer(many=True, read_only=True)
    class Meta:
        model = models.Artist
        fields = ('id', 'mbid', 'name', 'tags', 'creation_date')


class TrackFileSerializer(serializers.ModelSerializer):
    path = serializers.SerializerMethodField()

    class Meta:
        model = models.TrackFile
        fields = ('id', 'path', 'duration', 'source', 'filename', 'track')

    def get_path(self, o):
        url = o.path
        return url


class SimpleAlbumSerializer(serializers.ModelSerializer):

    class Meta:
        model = models.Album
        fields = ('id', 'mbid', 'title', 'release_date', 'cover')


class AlbumSerializer(serializers.ModelSerializer):
    tags = TagSerializer(many=True, read_only=True)
    class Meta:
        model = models.Album
        fields = ('id', 'mbid', 'title', 'cover', 'release_date', 'tags')


class LyricsMixin(serializers.ModelSerializer):
    lyrics = serializers.SerializerMethodField()

    def get_lyrics(self, obj):
        return obj.get_lyrics_url()


class TrackSerializer(LyricsMixin):
    files = TrackFileSerializer(many=True, read_only=True)
    tags = TagSerializer(many=True, read_only=True)
    class Meta:
        model = models.Track
        fields = (
            'id',
            'mbid',
            'title',
            'artist',
            'files',
            'tags',
            'position',
            'lyrics')


class TrackSerializerNested(LyricsMixin):
    artist = ArtistSerializer()
    files = TrackFileSerializer(many=True, read_only=True)
    album = SimpleAlbumSerializer(read_only=True)
    tags = TagSerializer(many=True, read_only=True)
    class Meta:
        model = models.Track
        fields = ('id', 'mbid', 'title', 'artist', 'files', 'album', 'tags', 'lyrics')


class AlbumSerializerNested(serializers.ModelSerializer):
    tracks = TrackSerializer(many=True, read_only=True)
    artist = SimpleArtistSerializer()
    tags = TagSerializer(many=True, read_only=True)

    class Meta:
        model = models.Album
        fields = ('id', 'mbid', 'title', 'cover', 'artist', 'release_date', 'tracks', 'tags')


class ArtistSerializerNested(serializers.ModelSerializer):
    albums = AlbumSerializerNested(many=True, read_only=True)
    tags = TagSerializer(many=True, read_only=True)
    class Meta:
        model = models.Artist
        fields = ('id', 'mbid', 'name', 'albums', 'tags')


class LyricsSerializer(serializers.ModelSerializer):
    class Meta:
        model = models.Lyrics
        fields = ('id', 'work', 'content', 'content_rendered')


class ImportJobSerializer(serializers.ModelSerializer):
    track_file = TrackFileSerializer(read_only=True)
    class Meta:
        model = models.ImportJob
        fields = ('id', 'mbid', 'batch', 'source', 'status', 'track_file', 'audio_file')
        read_only_fields = ('status', 'track_file')


class ImportBatchSerializer(serializers.ModelSerializer):
    jobs = ImportJobSerializer(many=True, read_only=True)
    class Meta:
        model = models.ImportBatch
        fields = ('id', 'jobs', 'status', 'creation_date')
        read_only_fields = ('creation_date',)