add: income-expence delete api

core/apps/finance/views/income.py

@@ -5,7 +5,7 @@ from rest_framework.response import Response
 
 from django_filters.rest_framework.backends import DjangoFilterBackend
 
-from core.apps.finance.models import Income
+from core.apps.finance.models import Income, DeletedIncome
 from core.apps.finance.serializers import income as serializers
 from core.apps.accounts.permissions.permissions import HasRolePermission
 from core.apps.finance.filters.income import IncomeFilter
@@ -76,4 +76,38 @@ class CounterpartyIncomeListApiView(generics.GenericAPIView):
         if page is not None:
             ser = self.serializer_class(page, many=True)
             return self.get_paginated_response(ser.data)
-    
+    
+
+class IncomeDeleteApiView(generics.GenericAPIView):
+    serializer_class = serializers.IncomeDeleteSerializer
+    queryset = Income.objects.all()
+    permission_classes = [HasRolePermission]
+
+    def post(self, request, id):
+        income = get_object_or_404(Income, id=id)
+        serializer = self.serializer_class(data=request.data)
+        if serializer.is_valid(raise_exception=True):
+            comment = serializer.validated_data.get('comment')
+            DeletedIncome.objects.create(
+                income=income,
+                comment=comment
+            )
+            income.is_deleted = True
+            if income.currency == 'uzs':
+                income.cash_transaction.expence_balance_uzs -= income.price
+                income.cash_transaction.total_balance_uzs -= income.price
+                income.payment_type.total_uzs -= income.price
+            else:
+                income.cash_transaction.expence_balance_usd -= income.price
+                income.cash_transaction.total_balance_usd -= income.price
+                income.payment_type.total_usd -= income.price
+
+            income.cash_transaction.save()
+            income.payment_type.save()
+            income.save()
+            return Response(
+                {
+                    'success': True, 
+                    'message': 'Income deleted',
+                }, status=200
+            )