Dojo Meta: Migrate to filterset_class + Add case Insensitive filters (DefectDojo#12528)

* Dojo Meta: Migrate to `filterset_class` + Add case Insensitive filters

* Update query name

Author: Maffooch

dojo/api_v2/views.py

@@ -52,6 +52,7 @@
 from dojo.filters import (
     ApiAppAnalysisFilter,
     ApiCredentialsFilter,
+    ApiDojoMetaFilter,
     ApiEndpointFilter,
     ApiEngagementFilter,
     ApiFindingFilter,
@@ -1643,14 +1644,7 @@ class DojoMetaViewSet(
     serializer_class = serializers.MetaSerializer
     queryset = DojoMeta.objects.none()
     filter_backends = (DjangoFilterBackend,)
-    filterset_fields = [
-        "id",
-        "product",
-        "endpoint",
-        "finding",
-        "name",
-        "value",
-    ]
+    filterset_class = ApiDojoMetaFilter
     permission_classes = (
         IsAuthenticated,
         permissions.UserHasDojoMetaPermission,

dojo/filters.py

@@ -66,6 +66,7 @@
     Development_Environment,
     Dojo_Group,
     Dojo_User,
+    DojoMeta,
     Endpoint,
     Endpoint_Status,
     Engagement,
@@ -1363,6 +1364,22 @@ class Meta:
         ]
 
 
+class ApiDojoMetaFilter(DojoFilter):
+    name_case_insensitive = CharFilter(field_name="name", lookup_expr="iexact")
+    value_case_insensitive = CharFilter(field_name="value", lookup_expr="iexact")
+
+    class Meta:
+        model = DojoMeta
+        fields = [
+            "id",
+            "product",
+            "endpoint",
+            "finding",
+            "name",
+            "value",
+        ]
+
+
 class ApiProductFilter(DojoFilter):
     # BooleanFilter
     external_audience = BooleanFilter(field_name="external_audience")