sprint4 reassign task after expired

junior/serializers.py

@@ -458,3 +458,17 @@ class StartTaskSerializer(serializers.ModelSerializer):
         instance.task_status = str(NUMBER['two'])
         instance.save()
         return instance
+
+class ReAssignTaskSerializer(serializers.ModelSerializer):
+    """User task Serializer"""
+    class Meta(object):
+        """Meta class"""
+        model = JuniorTask
+        fields = ('id', 'due_date')
+    def update(self, instance, validated_data):
+        instance.task_status = str(NUMBER['one'])
+        instance.due_date = validated_data.get('due_date')
+        instance.is_approved = False
+        instance.requested_on = None
+        instance.save()
+        return instance