Included an str function

Fixes UI when displaying foreign keys available in the admin panel

thrisraotraot_music/homepage/models.py

@@ -7,6 +7,9 @@ class Artist(models.Model):
     birth_name = models.CharField(max_length = 50, blank = True)
     monthly_listeners = models.IntegerField()
     bio = models.TextField(max_length = 700, blank = True)
+    
+    def __str__(self):
+        return "{}".format(self.artist_name)
 
 class Album(models.Model):
     album_name = models.CharField(max_length = 50)
@@ -16,6 +19,9 @@ class Album(models.Model):
     label = models.CharField(max_length = 50, blank = True)
     song_count = models.IntegerField(default = "0")
     
+    def __str__(self):
+        return "{}: {}".format(self.album_name, self.release_date)
+    
 class Song(models.Model):
     song_title = models.CharField(max_length = 50)
     artist = models.ForeignKey(Artist, on_delete = models.CASCADE)
@@ -23,3 +29,6 @@ class Song(models.Model):
     song_length = models.CharField(max_length = 10)
     music_video = models.BooleanField(default = False)
     lyrics = models.TextField(max_length = 1000, blank = True)
+    
+    def __str__(self):
+        return "{} by {}".format(self.song_title, self.artist)