Add placeholder serializer class to avoid errors with Django REST Swagger

mayan/apps/dynamic_search/api_views.py

@@ -13,7 +13,7 @@ from rest_api.permissions import MayanPermission
 
 from .classes import SearchModel
 from .models import RecentSearch
-from .serializers import RecentSearchSerializer
+from .serializers import RecentSearchSerializer, SearchSerializer
 
 
 class APIRecentSearchListView(generics.ListAPIView):
@@ -46,6 +46,9 @@ class APISearchView(generics.ListAPIView):
 
     filter_backends = (MayanObjectPermissionsFilter,)
 
+    # Placeholder serializer to avoid errors with Django REST swagger
+    serializer_class = SearchSerializer
+
     def get_queryset(self):
         document_search = SearchModel.get('documents.Document')
         self.serializer_class = document_search.serializer

mayan/apps/dynamic_search/serializers.py

@@ -9,3 +9,7 @@ class RecentSearchSerializer(serializers.ModelSerializer):
     class Meta:
         model = RecentSearch
         read_only_fields = ('user', 'query', 'datetime_created', 'hits')
+
+
+class SearchSerializer(serializers.Serializer):
+    results = serializers.CharField()