Add namespace filter in packages api

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

vulnerabilities/api.py

@@ -190,7 +190,15 @@ class PackageFilterSet(filters.FilterSet):
 
     class Meta:
         model = Package
-        fields = ["name", "type", "version", "subpath", "purl", "packagerelatedvulnerability__fix"]
+        fields = [
+            "name",
+            "type",
+            "version",
+            "subpath",
+            "purl",
+            "namespace",
+            "packagerelatedvulnerability__fix",
+        ]
 
     def filter_purl(self, queryset, name, value):
         purl = unquote(value)

vulnerabilities/tests/test_fix_api.py

@@ -145,6 +145,14 @@ def test_api_response(self):
         response = self.csrf_client.get("/api/packages/", format="json").data
         self.assertEqual(response["count"], 11)
 
+    def test_api_with_namespace_filter(self):
+        response = self.csrf_client.get("/api/packages/?namespace=nginx", format="json").data
+        self.assertEqual(response["count"], 11)
+
+    def test_api_with_wrong_namespace_filter(self):
+        response = self.csrf_client.get("/api/packages/?namespace=foo-bar", format="json").data
+        self.assertEqual(response["count"], 0)
+
     def test_api_with_single_vulnerability_and_fixed_package(self):
         response = self.csrf_client.get(f"/api/packages/{self.package.id}", format="json").data
         assert response == {