FM: Add a toptracks feature

commands/misc/fm.js

@@ -1,6 +1,6 @@
 const fmlogin = require("../../util/lastfm/fmlogin");
 const getCurrentScrobble = require("../../util/lastfm/getCurrentScrobble");
-
+const getTopTracks = require("../../util/lastfm/getTopTracks");
 module.exports = {
     name: 'fm',
     description: 'Last fm commands. See `<prefix>help fm` for more info.',
@@ -14,6 +14,9 @@ module.exports = {
             case "set":
                 sendText = await fmlogin(message.author.id, args[1]);
                 break;
+            case "toptracks":
+            case "tt":
+                sendText = await getTopTracks(message.author.id, args);
             default:
                 break;
         }

util/lastfm/getTopTracks.js

@@ -0,0 +1,38 @@
+// http://ws.audioscrobbler.com/2.0/?method=user.gettoptracks&user=username&api_key=YOUR_API_KEY&format=json
+
+const getFmUsername = require("./getFmUsername")
+
+module.exports = async function (userID, options) {
+    let lastfmUsername = await getFmUsername(userID);
+    let sendText = "";
+    let tracks = [];
+    const apiKey = process.env.LAST_FM_API_KEY;
+    if(lastfmUsername != undefined){
+        tracks = await new Promise ((resolve, reject) => {
+        fetch(`https://ws.audioscrobbler.com/2.0/?method=user.gettoptracks&user=${lastfmUsername}&api_key=${apiKey}&format=json`)
+        .then(response => response.json())
+        .then(data => {
+            for(let i = 0; i < 10; i++){
+                let track = {}
+                let currentTrack = data.toptracks.track[i];
+                track.artist = currentTrack.artist.name;
+                track.song = currentTrack.name;
+                track.playcount = currentTrack.playcount;
+                tracks.push(track);
+            }
+            resolve(tracks);
+        })
+        .catch(error => {
+            console.error(error);
+            reject(error);
+        });
+    });
+    sendText = `Your top 10 tracks are:\n`;
+    for(let i = 0; i < tracks.length; i++){
+        sendText += `${i}. ${tracks[i].artist} - ${tracks[i].song} (${tracks[i].playcount} plays)\n`;
+    }
+    } else {
+        sendText = "You haven't set your last.fm username yet. Use `fm set <lastfm_username>` to set it.";
+    }
+    return sendText;
+}