From 1a7bb87011895b0f4ad0448c89bf925f29a556b7 Mon Sep 17 00:00:00 2001
From: calexil <calexil@yahoo.com>
Date: Thu, 4 Jan 2018 18:30:28 -0500
Subject: [PATCH] last.fm integration

---
 bot.js | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)

diff --git a/bot.js b/bot.js
index 0ff4b0b..0e60d21 100644
--- a/bot.js
+++ b/bot.js
@@ -1,6 +1,100 @@
 const Discord = require('discord.js');
 const client = new Discord.Client();
 
+const axios = require('axios')
+const keys = require('./keys')
+
+const Discordie = require('discordie')
+const { Events } = Discordie
+const client = new Discordie()
+
+// private keys
+const { discordToken, lastfmApiKey } = keys
+
+// last.fm API endpoint
+const apiUrl = 'http://ws.audioscrobbler.com/2.0/?method='
+
+// connect to Discrd
+client.connect({ token: discordToken })
+
+client.Dispatcher
+  .on(Events.GATEWAY_READY, (e) => {
+    console.log('Connected as: ' +  client.User.username)
+  })
+  .on(Events.MESSAGE_CREATE, (e) => {
+    let input = e.message.content.split(' ')
+
+    if (input.length === 2) {
+        if ( input[0] === ".np") {
+            nowPlaying(input[1], e)
+        } else if ( input[0] === ".topalbums") {
+            topAlbums(input[1], e)
+        }
+    }
+  });
+
+// commands
+const nowPlaying = (user, e) => {
+    let method = 'user.getRecentTracks'
+    let qs = `&user=${user}&api_key=${lastfmApiKey}&limit=2&format=json`
+
+    let reqUrl = `${apiUrl}${method}${qs}`
+
+    axios.get(reqUrl)
+      .then((res) => {
+        if (res.data.message) {
+          e.message.channel.sendMessage('user not found')
+          return
+        }
+        
+        let latestTrack = res.data.recenttracks.track[0]
+        
+        if (!latestTrack) {
+          e.message.channel.sendMessage('user not found')
+          return
+        }
+
+        let { name, artist: { '#text': artist } } = latestTrack
+        e.message.channel.sendMessage(`currently listening to: ${name} - ${artist}`)
+      })
+      .catch((err) => {
+        console.log('got an error:', err)
+      })
+}
+
+const topAlbums = (user, e) => {
+    let method = 'user.getTopAlbums'
+    let qs = `&user=${user}&api_key=${lastfmApiKey}&limit=3&format=json`
+
+    let reqUrl = `${apiUrl}${method}${qs}`
+
+    axios.get(reqUrl)
+      .then((res) => {
+        let topAlbums = res.data.topalbums
+
+        if (topAlbums) {
+          if (topAlbums.album[0]) {
+            let response = `${user}'s top albums:\n`
+            
+            for (let i = 0; i < 3; i++) {
+              let { artist: { name: albumArtist }, name: albumTitle } = topAlbums.album[i]
+              
+              response += `${i + 1}: ${albumArtist} - ${albumTitle}\n`
+            }
+            
+            e.message.channel.sendMessage(response)
+          } else {
+            e.message.channel.sendMessage('user hasn\t listened to any music in this period')
+          }
+        } else {
+          e.message.channel.sendMessage('invalid user')
+        }
+      })
+      .catch((err) => {
+        console.log('got an error:', err)
+      });
+}
+
 client.on('ready', () => {
     console.log('I am ready!');
 });