add migration files

physionet-django/project/migrations/0068_datasource.py

@@ -0,0 +1,30 @@
+# Generated by Django 4.1.7 on 2023-04-19 14:03
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('project', '0067_alter_activeproject_core_project_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DataSource',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('files_available', models.BooleanField(default=False)),
+                ('data_location', models.CharField(choices=[('DI', 'Direct'), ('GBQ', 'Google BigQuery'), ('GCS', 'Google Cloud Storage'), ('AOD', 'AWS Open Data'), ('AS3', 'AWS S3')], default='DI', max_length=3)),
+                ('access_mechanism', models.CharField(blank=True, choices=[('google-group-email', 'Google Group Email'), ('s3', 'S3'), ('research-environment', 'Research Environment')], max_length=20, null=True)),
+                ('email', models.CharField(blank=True, max_length=320, null=True)),
+                ('uri', models.CharField(blank=True, max_length=320, null=True)),
+                ('project', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='data_sources', to='project.publishedproject')),
+            ],
+            options={
+                'default_permissions': (),
+                'unique_together': {('project', 'data_location')},
+            },
+        ),
+    ]