You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.1 KiB
69 lines
2.1 KiB
from django.db import models
|
|
|
|
class Artist(models.Model):
|
|
|
|
class Meta:
|
|
verbose_name = "Artist"
|
|
verbose_name_plural = "Artists"
|
|
|
|
artist_id = models.CharField(primary_key=True, max_length=30)
|
|
# unique since only storing one genre per artist right now
|
|
name = models.CharField(unique=True, max_length=50)
|
|
genre = models.CharField(max_length=20)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class User(models.Model):
|
|
|
|
class Meta:
|
|
verbose_name = "User"
|
|
verbose_name_plural = "Users"
|
|
|
|
user_id = models.CharField(primary_key=True, max_length=30)
|
|
username = models.CharField(max_length=30)
|
|
|
|
def __str__(self):
|
|
return self.username
|
|
|
|
|
|
class Track(models.Model):
|
|
|
|
class Meta:
|
|
verbose_name = "Track"
|
|
verbose_name_plural = "Tracks"
|
|
unique_together = ('track_id', 'artist',)
|
|
|
|
track_id = models.CharField(max_length=30)
|
|
artist = models.ForeignKey(Artist, on_delete=models.CASCADE)
|
|
year = models.PositiveSmallIntegerField()
|
|
popularity = models.DecimalField(decimal_places=2, max_digits=2)
|
|
runtime = models.PositiveSmallIntegerField()
|
|
name = models.CharField(max_length=75)
|
|
users = models.ManyToManyField(User)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
|
|
class AudioFeatures(models.Model):
|
|
|
|
class Meta:
|
|
verbose_name = "AudioFeatures"
|
|
verbose_name_plural = "AudioFeatures"
|
|
|
|
track = models.OneToOneField(Track, on_delete=models.CASCADE, primary_key=True,)
|
|
danceability = models.DecimalField(decimal_places=2, max_digits=2)
|
|
energy = models.DecimalField(decimal_places=2, max_digits=2)
|
|
loudness = models.DecimalField(decimal_places=2, max_digits=2)
|
|
speechiness = models.DecimalField(decimal_places=2, max_digits=2)
|
|
acousticness = models.DecimalField(decimal_places=2, max_digits=2)
|
|
instrumentalness = models.DecimalField(decimal_places=2, max_digits=2)
|
|
valence = models.DecimalField(decimal_places=2, max_digits=2)
|
|
tempo = models.DecimalField(decimal_places=2, max_digits=2)
|
|
|
|
def __str__(self):
|
|
return super(AudioFeatures, self).__str__()
|
|
|
|
|