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104 lines
3.0 KiB
104 lines
3.0 KiB
from django.db import models
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# id's are 22 in length in examples but set to 30 for buffer
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MAX_ID = 30
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# Genre {{{ #
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class Genre(models.Model):
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class Meta:
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verbose_name = "Genre"
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verbose_name_plural = "Genres"
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name = models.CharField(primary_key=True, max_length=50)
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num_songs = models.PositiveIntegerField()
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def __str__(self):
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return self.name
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# }}} Genre #
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# Artist {{{ #
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class Artist(models.Model):
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class Meta:
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verbose_name = "Artist"
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verbose_name_plural = "Artists"
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artist_id = models.CharField(primary_key=True, max_length=MAX_ID)
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# unique since only storing one genre per artist right now
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name = models.CharField(unique=True, max_length=50)
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genres = models.ManyToManyField(Genre, blank=True)
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def __str__(self):
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return self.name
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# }}} Artist #
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# User {{{ #
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class User(models.Model):
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class Meta:
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verbose_name = "User"
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verbose_name_plural = "Users"
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user_id = models.CharField(primary_key=True, max_length=MAX_ID) # the user's Spotify ID
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user_secret = models.CharField(max_length=50, default='')
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def __str__(self):
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return self.user_id
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# }}} User #
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# Track {{{ #
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class Track(models.Model):
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class Meta:
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verbose_name = "Track"
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verbose_name_plural = "Tracks"
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track_id = models.CharField(primary_key=True, max_length=MAX_ID)
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# artist = models.ForeignKey(Artist, on_delete=models.CASCADE)
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artists = models.ManyToManyField(Artist, blank=True)
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year = models.PositiveSmallIntegerField()
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popularity = models.PositiveSmallIntegerField()
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runtime = models.PositiveSmallIntegerField()
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name = models.CharField(max_length=200)
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users = models.ManyToManyField(User, blank=True)
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genre = models.ForeignKey(Genre, on_delete=models.CASCADE, blank=True,
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null=True)
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def __str__(self):
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track_str = "{}, genre: {}, artists: [".format(self.name, self.genre)
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for artist in self.artists.all():
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track_str += "{}, ".format(artist.name)
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track_str += "]"
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return track_str
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# }}} Track #
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# AudioFeatures {{{ #
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class AudioFeatures(models.Model):
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class Meta:
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verbose_name = "AudioFeatures"
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verbose_name_plural = "AudioFeatures"
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track = models.OneToOneField(Track, on_delete=models.CASCADE, primary_key=True,)
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acousticness = models.DecimalField(decimal_places=3, max_digits=3)
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danceability = models.DecimalField(decimal_places=3, max_digits=3)
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energy = models.DecimalField(decimal_places=3, max_digits=3)
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instrumentalness = models.DecimalField(decimal_places=3, max_digits=3)
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loudness = models.DecimalField(decimal_places=3, max_digits=6)
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speechiness = models.DecimalField(decimal_places=3, max_digits=3)
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tempo = models.DecimalField(decimal_places=3, max_digits=6)
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valence = models.DecimalField(decimal_places=3, max_digits=3)
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def __str__(self):
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return super(AudioFeatures, self).__str__()
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# }}} AudioFeatures #
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