feat(chat): add management commands and initial migration

chat/management/__init__.py

@@ -0,0 +1 @@
+# init

chat/management/commands/__init__.py

@@ -0,0 +1 @@
+# init

chat/management/commands/init_admin.py

@@ -0,0 +1,16 @@
+from django.core.management.base import BaseCommand
+from django.contrib.auth.models import User
+from chat.models import UserProfile
+
+class Command(BaseCommand):
+    help = 'Create default admin user if it does not exist'
+
+    def handle(self, *args, **kwargs):
+        if not User.objects.filter(username='admin').exists():
+            u = User.objects.create_superuser('admin', 'admin@example.com', 'admin')
+            p, _ = UserProfile.objects.get_or_create(user=u)
+            p.role = 'admin'
+            p.save()
+            self.stdout.write(self.style.SUCCESS('Successfully created admin user.'))
+        else:
+            self.stdout.write(self.style.SUCCESS('Admin user already exists.'))