payemnt billing and credits refactoring

backend/igny8_core/modules/billing/migrations/0036_invoice_type_and_expiry.py

@@ -0,0 +1,55 @@
+from datetime import timedelta
+from django.db import migrations, models
+from django.utils import timezone
+
+
+def populate_invoice_type_and_expiry(apps, schema_editor):
+    Invoice = apps.get_model('billing', 'Invoice')
+
+    for invoice in Invoice.objects.all().iterator():
+        invoice_type = 'custom'
+        if getattr(invoice, 'subscription_id', None):
+            invoice_type = 'subscription'
+        else:
+            metadata = invoice.metadata or {}
+            if metadata.get('credit_package_id'):
+                invoice_type = 'credit_package'
+
+        invoice.invoice_type = invoice_type
+
+        if invoice_type == 'credit_package' and not invoice.expires_at:
+            base_time = invoice.created_at or timezone.now()
+            invoice.expires_at = base_time + timedelta(hours=48)
+
+        invoice.save(update_fields=['invoice_type', 'expires_at'])
+
+
+def reverse_populate_invoice_type_and_expiry(apps, schema_editor):
+    Invoice = apps.get_model('billing', 'Invoice')
+    Invoice.objects.all().update(invoice_type='custom', expires_at=None)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0035_aimodelconfig_is_testing_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='invoice',
+            name='invoice_type',
+            field=models.CharField(choices=[('subscription', 'Subscription'), ('credit_package', 'Credit Package'), ('addon', 'Add-on'), ('custom', 'Custom')], db_index=True, default='custom', max_length=30),
+        ),
+        migrations.AddField(
+            model_name='invoice',
+            name='expires_at',
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='invoice',
+            name='void_reason',
+            field=models.TextField(blank=True),
+        ),
+        migrations.RunPython(populate_invoice_type_and_expiry, reverse_populate_invoice_type_and_expiry),
+    ]

backend/igny8_core/modules/billing/migrations/0037_alter_creditpackage_features_and_more.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.2.10 on 2026-01-20 06:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0036_invoice_type_and_expiry'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='creditpackage',
+            name='features',
+            field=models.JSONField(blank=True, default=list, help_text='Bonus features or highlights'),
+        ),
+        migrations.AlterField(
+            model_name='planlimitusage',
+            name='limit_type',
+            field=models.CharField(choices=[('content_ideas', 'Content Ideas'), ('images_basic', 'Basic Images'), ('images_premium', 'Premium Images'), ('image_prompts', 'Image Prompts')], db_index=True, help_text='Type of limit being tracked', max_length=50),
+        ),
+    ]