ledger: bpoint fixes

ledger/payments/api.py

@@ -205,7 +205,6 @@ class BpayFileList(viewsets.ReadOnlyModelViewSet):
 #                                                     #
 #######################################################
 class BpointTransactionSerializer(serializers.ModelSerializer):
-    original_txn = serializers.CharField(source='original_txn.txn_number')
     order = serializers.CharField(source='order.number')
     cardtype = serializers.SerializerMethodField()
     settlement_date = serializers.DateField(format='%B, %d %Y')

ledger/payments/bpoint/migrations/0011_auto_20171026_1630.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.8 on 2017-10-26 08:30
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bpoint', '0010_auto_20171026_1540'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='bpointtransaction',
+            name='original_txn',
+            field=models.CharField(blank=True, help_text='Transaction number stored                                            if current transaction depends on a previous transaction                                            in the case where the action is a refund, reversal or capture', max_length=128, null=True),
+        ),
+    ]

ledger/payments/bpoint/models.py

@@ -54,7 +54,7 @@ class BpointTransaction(models.Model):
     type = models.CharField(max_length=50, choices=TRANSACTION_TYPES)
     # store the txn number from Bpoint
     txn_number = models.CharField(unique=True, max_length=128, help_text='Transaction number used by BPOINT to identify a transaction')
-    original_txn = models.ForeignKey('self', to_field='txn_number', blank=True, null=True, help_text='Transaction number stored \
+    original_txn = models.CharField(max_length=128, blank=True, null=True, help_text='Transaction number stored \
                                            if current transaction depends on a previous transaction \
                                            in the case where the action is a refund, reversal or capture')
     dvtoken = models.CharField(max_length=128,null=True,blank=True,help_text='Stored card dv token')