add: income-expence delete api

core/apps/finance/views/expence.py

@@ -6,7 +6,7 @@ from rest_framework.response import Response
 from django_filters.rest_framework.backends import DjangoFilterBackend
 
 from core.apps.accounts.permissions.permissions import HasRolePermission
-from core.apps.finance.models import Expence
+from core.apps.finance.models import Expence, DeletedExpence
 from core.apps.finance.serializers import expence as serializers
 from core.apps.finance.filters.expence import ExpenceFilter
 from core.apps.counterparty.models import Counterparty
@@ -107,4 +107,39 @@ class ChangeExpenceStatusApiView(views.APIView):
                 'message': 'expence status successfully updated',
             },
             status=200
-        )
+        )
+    
+
+class ExpenceDeleteApiView(generics.GenericAPIView):
+    serializer_class = serializers.ExpenceDeleteSerializer
+    queryset = Expence.objects.all()
+    permission_classes = [HasRolePermission]
+
+    def post(self, request, id):
+        expence = get_object_or_404(Expence, id=id)
+        serializer = self.serializer_class(data=request.data)
+        if serializer.is_valid(raise_exception=True):
+            comment = serializer.validated_data.get('comment')
+            DeletedExpence.objects.create(
+                expence=expence,
+                comment=comment
+            )
+            expence.is_deleted = True
+            if expence.currency == 'uzs':
+                expence.cash_transaction.expence_balance_uzs += expence.price
+                expence.cash_transaction.total_balance_uzs += expence.price
+                expence.payment_type.total_uzs += expence.price
+            else:
+                expence.cash_transaction.expence_balance_usd += expence.price
+                expence.cash_transaction.total_balance_usd += expence.price
+                expence.payment_type.total_usd += expence.price
+
+            expence.cash_transaction.save()
+            expence.payment_type.save()
+            expence.save()
+            return Response(
+                {
+                    'success': True, 
+                    'message': 'Expence deleted',
+                }, status=200
+            )