start support for songs

def/profile.js

@@ -28,24 +28,7 @@ class User {
     }
 
     toObj(){
-        let r = {};
-        r.userid = this.userid
-        r.username = this.username;
-        r.profile = this.profile;
-        r.data = this.data;
-        r.username = this.username;
-        r.following = this.following;
-        r.lastUpdate = this.lastUpdate;
-        r.newsFeedCache = this.newsFeedCache;
-        r.notifications = this.notifications;
-
-        r.isGroup = this.isGroup;
-        r.isCourse = this.isCourse;
-        r.isPrivate = this.isPrivate;
-        r.isChat = this.isChat;
-        r.subscribed = this.subscribed;
-        r.pending = this.pending;
-        return r;
+        return { ...this };
     }
 
 }

def/songs.js

@@ -0,0 +1,24 @@
+class Songs {
+    constructor(info) {
+        if (!info || !info.userid) throw "Can not construct empty profile";
+        this.userid = info.userid;
+        this.data = info.data || {};
+
+        const allowedParams = ["title", 'author', "content", "contentHistory", "bpm", "lang", "reactions", "root", 'beatsPerTempo'];
+        for (const key in info) {
+            if (info.hasOwnProperty(key) && allowedParams.includes(key)) {
+                this[key] = info[key];
+            }
+        }
+        this.createdAt = info.createdAt || new Date();
+        this.lastUpdated = info.lastUpdated || this.createdAt;
+        this.comments = info.comments || [];
+        this.reactions = info.reactions || {};
+    }
+
+    toObj() {
+        return { ...this };
+    }
+}
+
+module.exports = Songs;