Initial commit

billing/migrations/0001_initial.py

@@ -0,0 +1,55 @@
+# Generated by Django 5.2.8 on 2025-11-07 07:39
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('domains', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Invoice',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('period_start', models.DateField()),
+                ('period_end', models.DateField()),
+                ('amount_plan_total', models.DecimalField(decimal_places=2, default=0, max_digits=12)),
+                ('amount_overage_total', models.DecimalField(decimal_places=2, default=0, max_digits=12)),
+                ('amount_adjustment', models.DecimalField(decimal_places=2, default=0, max_digits=12)),
+                ('amount_total', models.DecimalField(decimal_places=2, default=0, max_digits=12)),
+                ('status', models.CharField(choices=[('unpaid', '未支付'), ('paid', '已支付'), ('cancelled', '已取消')], default='unpaid', max_length=20)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('paid_at', models.DateTimeField(blank=True, null=True)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='invoices', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'verbose_name': '账单',
+                'verbose_name_plural': '账单',
+                'ordering': ['-period_end'],
+            },
+        ),
+        migrations.CreateModel(
+            name='InvoiceItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('description', models.CharField(max_length=200)),
+                ('quantity', models.DecimalField(decimal_places=3, default=0, max_digits=12)),
+                ('unit_price', models.DecimalField(decimal_places=2, default=0, max_digits=12)),
+                ('amount', models.DecimalField(decimal_places=2, default=0, max_digits=12)),
+                ('domain', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='domains.domain')),
+                ('invoice', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='items', to='billing.invoice')),
+            ],
+            options={
+                'verbose_name': '账单项',
+                'verbose_name_plural': '账单项',
+            },
+        ),
+    ]