DB migrations

core/migrations/0001_initial.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2017-11-03 04:59
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='album',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('album_name', models.CharField(max_length=64)),
+                ('year', models.DecimalField(decimal_places=0, max_digits=4)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='artist',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=64)),
+                ('description', models.TextField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='music_entry',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('order_in_playlist', models.PositiveSmallIntegerField()),
+                ('rating', models.DecimalField(choices=[(0, '1'), (1, '2'), (2, '3'), (3, '4'), (4, '5'), (5, '6'), (6, '7'), (7, '8'), (8, '9'), (9, '10')], decimal_places=0, max_digits=1)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='music_playlist',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('playlist_name', models.CharField(max_length=32)),
+                ('is_public', models.BooleanField(default=False)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='song',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('song_name', models.TextField()),
+                ('genre', models.CharField(max_length=128)),
+                ('song_length', models.PositiveIntegerField(default=0, null=True)),
+                ('lyrics', models.TextField(null=True)),
+                ('album', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.album')),
+                ('artist', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.artist')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='tag',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=32)),
+                ('tag', models.ManyToManyField(to='core.music_entry')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='user_account',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('first_name', models.CharField(max_length=64)),
+                ('last_name', models.CharField(max_length=64)),
+                ('email', models.CharField(max_length=64)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='music_playlist',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.user_account'),
+        ),
+        migrations.AddField(
+            model_name='music_entry',
+            name='playlist',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.music_playlist'),
+        ),
+        migrations.AddField(
+            model_name='music_entry',
+            name='song',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.song'),
+        ),
+        migrations.AddField(
+            model_name='album',
+            name='artist',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.artist'),
+        ),
+    ]

core/migrations/0002_auto_20171103_1546.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.6 on 2017-11-03 07:46
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='music_entry',
+            new_name='MusicEntry',
+        ),
+        migrations.RenameModel(
+            old_name='music_playlist',
+            new_name='MusicPlaylist',
+        ),
+        migrations.AlterField(
+            model_name='album',
+            name='artist',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.Artist'),
+        ),
+        migrations.AlterField(
+            model_name='musicentry',
+            name='song',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.Song'),
+        ),
+        migrations.AlterField(
+            model_name='song',
+            name='album',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.Album'),
+        ),
+        migrations.AlterField(
+            model_name='song',
+            name='artist',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.Artist'),
+        ),
+    ]

core/models.py

@@ -6,33 +6,33 @@ class user_account(models.Model):
 	last_name = models.CharField(max_length=64)
 	email = models.CharField(max_length=64)
 
-class artist(models.Model):
+class Artist(models.Model):
 	id = models.AutoField(primary_key=True)
 	name = models.CharField(max_length=64)
 	description = models.TextField()
 	def __str__(self):
 		return self.name
 
-class album(models.Model):
+class Album(models.Model):
 	id = models.AutoField(primary_key=True)
 	album_name = models.CharField(max_length=64)
 	year = models.DecimalField(max_digits=4, decimal_places=0)
-	artist = models.ForeignKey(artist)
+	artist = models.ForeignKey(Artist)
 	def __str__(self):
 		return self.album_name
 
-class song(models.Model):
+class Song(models.Model):
 	id = models.AutoField(primary_key=True)
 	song_name = models.TextField()
 	genre = models.CharField(max_length=128)
 	song_length = models.PositiveIntegerField(default=0, null=True)
 	lyrics = models.TextField(null=True)
-	artist = models.ForeignKey(artist)
-	album = models.ForeignKey(album)
+	album = models.ForeignKey(Album)
+	artist = models.ForeignKey(Artist)
 	def __str__(self):
 		return self.song_name
 
-class music_playlist(models.Model):
+class MusicPlaylist(models.Model):
 	id = models.AutoField(primary_key=True)
 	playlist_name = models.CharField(max_length=32)
 	is_public = models.BooleanField(default=False)
@@ -40,7 +40,7 @@ class music_playlist(models.Model):
 	def __str__(self):
 		return self.playlist_name
 
-class music_entry(models.Model):
+class MusicEntry(models.Model):
 	RATING_CHOICES = (
 		(0,'1'),
 		(1,'2'),
@@ -56,12 +56,12 @@ class music_entry(models.Model):
 	id = models.AutoField(primary_key=True)
 	order_in_playlist = models.PositiveSmallIntegerField()
 	rating = models.DecimalField(max_digits=1, decimal_places=0, choices=RATING_CHOICES)
-	playlist = models.ForeignKey(music_playlist)
-	song = models.ForeignKey(song)
+	playlist = models.ForeignKey(MusicPlaylist)
+	song = models.ForeignKey(Song)
 
-class tag(models.Model):
+class Tag(models.Model):
 	id = models.AutoField(primary_key=True)
 	name = models.CharField(max_length=32)
-	tag = models.ManyToManyField(music_entry)
+	tag = models.ManyToManyField(MusicEntry)
 	def __str__(self):
 		return self.name