add: fix bug and add user field for income contract list api

core/apps/finance/migrations/0023_alter_expencecontract_project_folder.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.2.4 on 2025-09-15 14:43
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('finance', '0022_expencecontract_paid_price'),
+        ('projects', '0016_estimatework_employee_estimatework_end_date_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='expencecontract',
+            name='project_folder',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='expence_contracts', to='projects.projectfolder'),
+        ),
+    ]

core/apps/finance/models/expence_contract.py

@@ -9,7 +9,7 @@ from core.apps.counterparty.models import Counterparty
 class ExpenceContract(BaseModel):
     user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='expence_contracts')
     project_folder = models.ForeignKey(
-        'projects.ProjectFolder', on_delete=models.CASCADE, related_name='expence_contracts'
+        'projects.ProjectFolder', on_delete=models.CASCADE, related_name='expence_contracts', null=True, blank=True
     )
     project = models.ForeignKey(
         'projects.Project', on_delete=models.SET_NULL, related_name='expence_contracts', null=True, blank=True

core/apps/finance/serializers/income_contract.py

@@ -15,9 +15,15 @@ class IncomeContractSerializer(serializers.ModelSerializer):
         model = IncomeContract
         fields = [
             'id', 'project_folder', 'project', 'income_type', 'counterparty', 'price', 'currency',
-            'date', 'comment' 
+            'date', 'comment' , 'user'
         ]
         extra_kwargs = {'id': {'read_only': True}}
+
+    def get_user(self, obj):
+        return {
+            'id': obj.user.id,
+            'full_name': obj.user.full_name, 
+        }
     
     def get_counterparty(self, obj):
         return {

core/apps/finance/views/income_contract.py

@@ -41,7 +41,7 @@ class IncomeContractCreateApiView(generics.GenericAPIView):
 class IncomeContractListApiView(generics.GenericAPIView):
     serializer_class = IncomeContractSerializer
     queryset = IncomeContract.objects.select_related(
-        'project_folder', 'project', 'income_type', 'counterparty',
+        'project_folder', 'project', 'income_type', 'counterparty', 'user'
     )
     permission_classes = [HasRolePermission]
     filter_backends = [DjangoFilterBackend, filters.SearchFilter]