changes

app/migrations/0360_transaction_customer_new_transaction_customer_old.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.7 on 2026-01-21 07:56
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0359_alter_organization_established_date_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='transaction',
+            name='customer_new',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='app.customer'),
+        ),
+        migrations.AddField(
+            model_name='transaction',
+            name='customer_old',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='app.customer'),
+        ),
+    ]

app/migrations/0361_remove_transaction_customer_new_and_more.py

@@ -0,0 +1,32 @@
+# Generated by Django 5.1.7 on 2026-01-21 08:47
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0360_transaction_customer_new_transaction_customer_old'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='transaction',
+            name='customer_new',
+        ),
+        migrations.RemoveField(
+            model_name='transaction',
+            name='customer_old',
+        ),
+        migrations.AddField(
+            model_name='transaction_detail',
+            name='customer_new',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='app.customer'),
+        ),
+        migrations.AddField(
+            model_name='transaction_detail',
+            name='customer_old',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='app.customer'),
+        ),
+    ]

app/models.py

@@ -1409,6 +1409,8 @@ class Transaction_Detail(AutoCodeModel):
     amount_remaining = models.DecimalField(max_digits=15, decimal_places=2, null=True)
     amount_received = models.DecimalField(max_digits=15, decimal_places=2, null=True)
     due_date = models.DateField(null=True)
+    customer_old = models.ForeignKey(Customer, null=True, related_name='+', on_delete=models.PROTECT)
+    customer_new = models.ForeignKey(Customer, null=True, related_name='+', on_delete=models.PROTECT)
     transaction = models.ForeignKey(Transaction, null=False, related_name='resvtxn', on_delete=models.PROTECT)
     phase = models.ForeignKey(Transaction_Phase, null=False, related_name='+', on_delete=models.PROTECT)
     creator = models.ForeignKey(User, null=False, related_name='+', on_delete=models.PROTECT)