fix

core/apps/finance/serializers/income_contract.py

@@ -44,6 +44,16 @@ class IncomeContractSerializer(serializers.ModelSerializer):
         }
 
 
+
+class IncomeContractCreateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = IncomeContract
+        fields = [
+            'id', 'project_folder', 'project', 'income_type', 'counterparty', 'price', 'currency',
+            'date', 'comment' 
+        ]
+        extra_kwargs = {'id': {'read_only': True}}
+    
     def create(self, validated_data):
         with transaction.atomic():
             income_contract = IncomeContract.objects.create(

core/apps/finance/views/income_contract.py

@@ -5,11 +5,11 @@ from rest_framework.response import Response
 
 from core.apps.accounts.permissions.permissions import HasRolePermission
 from core.apps.finance.models import IncomeContract
-from core.apps.finance.serializers.income_contract import IncomeContractSerializer
+from core.apps.finance.serializers.income_contract import IncomeContractSerializer, IncomeContractCreateSerializer
 
 
 class IncomeContractCreateApiView(generics.GenericAPIView):
-    serializer_class = IncomeContractSerializer
+    serializer_class = IncomeContractCreateSerializer
     queryset = IncomeContract.objects.all()
     permission_classes = [HasRolePermission]