Add Song model type

karaokatalog/ui/static/model/Song.js

@@ -0,0 +1,24 @@
+import { Base } from "./Base.js"
+import { getFavoriteIds, addFavorite, removeFavorite } from "./favorites.js"
+
+export default class Song extends Base {
+    static async forceLoad() {
+        return await m.request({ url: "/songs.json" })
+    }
+
+    get favorite() {
+        return getFavoriteIds().has(this.id || this.uuid)
+    }
+
+    set favorite(isFavorite) {
+        if (isFavorite) {
+            addFavorite(this.id || this.uuid)
+        } else {
+            removeFavorite(this.id || this.uuid)
+        }
+    }
+
+    toggleFavorite() {
+        this.favorite = !this.favorite
+    }
+}