fix

core/apps/contracts/serializers/contract.py

@@ -40,6 +40,7 @@ class ContractCreateSerializer(serializers.Serializer):
                 company=user,
                 folder=validated_data.get('folder'),
             )
+            
             return contract.id
 
 
@@ -58,4 +59,15 @@ class ContractDetailSerializer(serializers.ModelSerializer):
         model = Contract
         fields = [
             'id', 'name', 'file', 'status', 'contract_number', 'contract_sides',
-        ]
+        ]
+
+
+class ContractUpdateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Contract
+        fields = ['folder']
+
+    def update(self, instance, validated_data):
+        instance.folder = validated_data.get('folder', instance.folder)
+        instance.save()
+        return instance

core/apps/contracts/serializers/folder.py

@@ -1,6 +1,7 @@
 from rest_framework import serializers
 
 from core.apps.contracts.models import Folder
+from core.apps.contracts.serializers.contract import ContractListSerializer
 
 
 class FolderListSerializer(serializers.ModelSerializer):
@@ -28,4 +29,14 @@ class FolderSerializer(serializers.ModelSerializer):
     def update(self, instance, validated_data):
         instance.name = validated_data.get('name', instance.name)
         instance.save()
-        return instance
+        return instance
+    
+
+class FolderDetailSerializer(serializers.ModelSerializer):
+    contracts = ContractListSerializer(many=True)
+
+    class Meta:
+        model = Folder
+        fields = [
+            'id', 'name', 'contracts'
+        ]