Merge branch 'key_field' into 'dev'

можно приписывать ключ для матчинга к платежам

See merge request !464

finance/views.py

@@ -140,8 +140,11 @@ class InvoiceDetailView(APIView):
             price = request.JSON.get('price', None)
             comment = request.JSON.get('comment', None)
             real_price = request.JSON.get('real_price', None)
+            key = request.JSON.get('key', None)
             pay_count = int(request.JSON.get('pay_count', '1'))
 
+            print(key)
+
             if bill_id is None:
                 return Response("Не передан id счёта", status=400)
 
@@ -189,8 +192,10 @@ class InvoiceDetailView(APIView):
                 invoice.real_price = invoice.real_price if real_price is None else real_price
                 return Response(InvoiceSerializer(invoice).data, status=200)
 
+            invoice.real_price = real_price
             invoice.method = method
             invoice.status = status
+            invoice.key = key
 
             if bill.check_pay() and (invoice.price < price):
                 return Response("""Нельзя менять стоимость по счёту в большую сторону,