Optimize refresh events for scrobble endpoint

server/events/events.go

@@ -53,6 +53,9 @@ func (rr *RefreshResource) With(resource string, ids ...string) *RefreshResource
 	if rr.resources == nil {
 		rr.resources = make(map[string][]string)
 	}
+	if len(ids) == 0 {
+		rr.resources[resource] = append(rr.resources[resource], Any)
+	}
 	for i := range ids {
 		rr.resources[resource] = append(rr.resources[resource], ids[i])
 	}

server/events/events_test.go

@@ -37,8 +37,8 @@ var _ = Describe("Events", func() {
 			data := rr.Data(rr)
 			Expect(data).To(Equal(`{"album":["al-1","al-2","al-3"],"artist":["ar-1","ar-2"],"song":["sg-1","sg-2"]}`))
 		})
-		It("should send a * for when Any is used as id", func() {
-			rr.With("album", Any)
+		It("should send a * when no ids are specified", func() {
+			rr.With("album")
 			data := rr.Data(rr)
 			Expect(data).To(Equal(`{"album":["*"]}`))
 		})