Serotonin Storm

source>basic>music>models.py
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from django.db import models
from django.db.models import permalink
from django.conf import settings
from basic.people.models import Person


class Genre(models.Model):
  """ Genre model """
  title         = models.CharField(max_length=100)
  slug          = models.SlugField(unique=True)
  
  class Meta:
    db_table = 'music_genres'
    ordering = ('title',)

  class Admin:
    pass

  def __unicode__(self):
    return '%s' % self.title
  
  @permalink
  def get_absolute_url(self):
    return ('music_genre_detail', None, { 'slug': self.slug })


class Label(models.Model):
  """ Label """
  title         = models.CharField(max_length=100)
  prefix        = models.CharField(max_length=20, blank=True)
  slug          = models.SlugField(unique=True)
  website       = models.URLField(blank=True, verify_exists=False)

  class Meta:
    db_table = 'music_labels'
    ordering = ('title',)

  class Admin:
    pass

  def __unicode__(self):
    return '%s' % self.full_title
  
  @property
  def full_title(self):
    return '%s %s' % (self.prefix, self.title)
  
  @permalink
  def get_absolute_url(self):
    return ('music_label_detail', None, { 'slug': self.slug })


class Band(models.Model):
  """ Band """
  title         = models.CharField(max_length=100)
  prefix        = models.CharField(max_length=20, blank=True)
  slug          = models.SlugField(unique=True)
  musicians     = models.ManyToManyField(Person, blank=True, limit_choices_to={'person_types__slug__exact': 'musician'})
  website       = models.URLField(blank=True, verify_exists=False)

  class Meta:
    db_table = 'music_bands'
    ordering = ('title',)

  class Admin:
    pass

  def __unicode__(self):
    return '%s' % self.full_title
  
  @property
  def full_title(self):
    return '%s %s' % (self.prefix, self.title)

  @permalink
  def get_absolute_url(self):
    return ('music_band_detail', None, { 'slug': self.slug })


class Album(models.Model):
  """ Listing of music """
  title           = models.CharField(max_length=255)
  prefix          = models.CharField(max_length=20, blank=True)
  subtitle        = models.CharField(blank=True, max_length=255)
  slug            = models.SlugField()
  band            = models.ForeignKey(Band, blank=True)
  label           = models.ForeignKey(Label, blank=True)
  asin            = models.CharField(max_length=14, blank=True)
  release_date    = models.DateField(blank=True, null=True)
  cover           = models.FileField(upload_to='albums', blank=True)
  review          = models.TextField(blank=True)
  genre           = models.ManyToManyField(Genre, blank=True)
  is_ep           = models.BooleanField(default=False)
  is_compilation  = models.BooleanField(default=False)

  class Meta:
    db_table = 'music_albums'
    ordering = ('title',)

  class Admin:
    list_display  = ('title', 'band',)

  def __unicode__(self):
    return '%s' % self.full_title
    
  @permalink
  def get_absolute_url(self):
    return ('music_album_detail', None, { 'slug': self.slug })
  
  @property
  def full_title(self):
    return '%s %s' % (self.prefix, self.title)
        
  @property
  def cover_url(self):
    return '%s%s' % (settings.MEDIA_URL, self.cover)
  
  @property
  def amazon_url(self):
    try:
      return 'http://www.amazon.com/dp/%s/?%s' % (self.asin, settings.AMAZON_AFFILIATE_EXTENTION)
    except:
      return 'http://www.amazon.com/dp/%s/' % self.asin


class Track(models.Model):
  """ Tracks model """
  album   = models.ForeignKey(Album, blank=True, null=True, related_name='tracks')
  band    = models.ForeignKey(Band, blank=True, null=True, related_name='tracks')
  title   = models.CharField(max_length=255)
  slug    = models.SlugField()
  mp3     = models.FilePathField(path=settings.MEDIA_ROOT+'tracks', match='.*\.mp3$')
  
  class Meta:
    db_table = 'music_tracks'
    ordering = ('title',)
  
  class Admin:
    pass
  
  def __unicode__(self):
    return '%s' % self.title
  
  @permalink
  def get_absolute_url(self):
    return ('music_track_detail', None, { 'slug': self.slug })
  
  @property
  def mp3_url(self):
    return self.mp3.replace(settings.MEDIA_ROOT, settings.MEDIA_URL)