# 61 Filter backend

* refactors XYTableFilter classes to hold query_filter and checkbox_filter which are separate instances of django_filter.FilterSets
* improves render ability for frontend

intervention/filters.py

@@ -5,19 +5,27 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 22.07.21
 
 """
-from intervention.models import Intervention
-from konova.filters import AbstractTableFilter, GeoReferencedTableFilterMixin, ShareableTableFilterMixin, \
-    RecordableTableFilterMixin
+from konova.filters import QueryTableFilter, CheckboxTableFilter
 
 
-class InterventionTableFilter(AbstractTableFilter, GeoReferencedTableFilterMixin, ShareableTableFilterMixin, RecordableTableFilterMixin):
-    """ TableFilter for Intervention model
-
-    """
-
-    class Meta:
-        model = Intervention
-        fields = []
+class InterventionTableFilter:
+    query_filter = None
+    checkbox_filter = None
+    qs = None
 
     def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
+        user = kwargs.get("user", None)
+        qs = kwargs.get("queryset", None)
+        request_data = kwargs.get("data", None)
+
+        self.query_filter = QueryTableFilter(
+            user=user,
+            data=request_data,
+            queryset=qs,
+        )
+        self.checkbox_filter = CheckboxTableFilter(
+            user=user,
+            data=request_data,
+            queryset=self.query_filter.qs,
+        )
+        self.qs = self.checkbox_filter.qs