add ticketing app and endpoints

backend/ticket/migrations/0001_initial.py

@@ -0,0 +1,39 @@
+# Generated by Django 5.1.2 on 2024-12-14 10:51
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Ticket',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('subject', models.CharField(max_length=255)),
+                ('status', models.CharField(choices=[('open', 'Open'), ('in_progress', 'In Progress'), ('resolved', 'Resolved'), ('closed', 'Closed')], default='open', max_length=20)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('admin', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='assigned_tickets', to=settings.AUTH_USER_MODEL)),
+                ('customer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tickets', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Message',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('content', models.TextField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('sender', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('ticket', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='messages', to='ticket.ticket')),
+            ],
+        ),
+    ]