Wrote up proposed model design for database

Have not actually created any models yet.

spotifyvis/migrations/0001_initial.py

@@ -0,0 +1,85 @@
+# Generated by Django 2.0.5 on 2018-06-03 23:01
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Artist',
+            fields=[
+                ('artist_id', models.CharField(max_length=30, primary_key=True, serialize=False)),
+                ('name', models.CharField(max_length=50, unique=True)),
+                ('genre', models.CharField(max_length=20)),
+            ],
+            options={
+                'verbose_name': 'Artist',
+                'verbose_name_plural': 'Artists',
+            },
+        ),
+        migrations.CreateModel(
+            name='Track',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('track_id', models.CharField(max_length=30)),
+                ('year', models.PositiveSmallIntegerField()),
+                ('popularity', models.DecimalField(decimal_places=2, max_digits=2)),
+                ('runtime', models.PositiveSmallIntegerField()),
+                ('name', models.CharField(max_length=75)),
+            ],
+            options={
+                'verbose_name': 'Track',
+                'verbose_name_plural': 'Tracks',
+            },
+        ),
+        migrations.CreateModel(
+            name='User',
+            fields=[
+                ('user_id', models.CharField(max_length=30, primary_key=True, serialize=False)),
+                ('username', models.CharField(max_length=30)),
+            ],
+            options={
+                'verbose_name': 'User',
+                'verbose_name_plural': 'Users',
+            },
+        ),
+        migrations.CreateModel(
+            name='AudioFeatures',
+            fields=[
+                ('track', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, primary_key=True, serialize=False, to='spotifyvis.Track')),
+                ('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)),
+            ],
+            options={
+                'verbose_name': 'AudioFeatures',
+                'verbose_name_plural': 'AudioFeatures',
+            },
+        ),
+        migrations.AddField(
+            model_name='track',
+            name='artist',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='spotifyvis.Artist'),
+        ),
+        migrations.AddField(
+            model_name='track',
+            name='users',
+            field=models.ManyToManyField(to='spotifyvis.User'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='track',
+            unique_together={('track_id', 'artist')},
+        ),
+    ]