Get without id == trace since browsers dont support trace

view/who.go

@@ -44,8 +44,7 @@ func who(g storage.Graph, w http.ResponseWriter, r *http.Request) error {
 func whoGet(namespace string, g storage.Graph, w http.ResponseWriter, r *http.Request) error {
 	id, err := getID(r)
 	if err != nil {
-		w.WriteHeader(http.StatusBadRequest)
-		return json.NewEncoder(w).Encode(map[string]string{"error": err.Error()})
+		return whoTrace(namespace, g, w, r)
 	}
 	_, light := r.URL.Query()["light"]
 

view/who_test.go

@@ -254,6 +254,23 @@ func TestWho(t *testing.T) {
 		t.Logf("%+v", v)
 	})
 
+	t.Run("get without id == trace real", func(t *testing.T) {
+		r := httptest.NewRequest(http.MethodGet, "/who?namespace=col", nil)
+		w := httptest.NewRecorder()
+		handler.ServeHTTP(w, r)
+		if w.Code != http.StatusOK {
+			t.Fatalf("%d: %s", w.Code, w.Body.Bytes())
+		}
+		var v []string
+		if err := json.Unmarshal(w.Body.Bytes(), &v); err != nil {
+			t.Fatalf("%v: %s", err, w.Body.Bytes())
+		}
+		if len(v) < 5 {
+			t.Fatal(len(v))
+		}
+		t.Logf("%+v", v)
+	})
+
 	t.Run("trace real sorted asc/desc name", func(t *testing.T) {
 		for _, order := range []string{"1", "-1"} {
 			r := httptest.NewRequest(http.MethodTrace, "/who?namespace=col&sort=name&order="+order, nil)