There be a website

app/controllers/home_controller.rb

@@ -0,0 +1,9 @@
+class HomeController < ApplicationController
+    def years_between_dates(date_from, date_to)
+        return (date_to - date_from).to_i / 365
+    end
+
+    def index
+        @age = years_between_dates(DateTime.civil_from_format(:local, 2005, 6, 7), DateTime.now)
+    end
+end

app/controllers/music_controller.rb

@@ -0,0 +1,78 @@
+require 'uri'
+require 'net/http'
+
+class MusicController < ApplicationController
+    def get_current_track
+        if Rails.cache.exist?("current_track")
+            return Rails.cache.read("current_track")
+        end
+
+        uri = URI.parse('https://ws.audioscrobbler.com/2.0/')
+        params = {
+            :method => 'user.getrecenttracks',
+            :user => Rails.application.credentials.lastfm.username,
+            :format => 'json',
+            :nowplaying => 'true',
+            :api_key => Rails.application.credentials.lastfm.api_key
+        }
+        uri.query = URI.encode_www_form(params)
+        req = Net::HTTP::Get.new(uri.to_s)
+        res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) {|http|
+            http.request(req)
+        }
+        data = JSON.parse(res.body)
+        track_data = data["recenttracks"]["track"][0]
+        image = defined?(track_data["image"][-1]) ? track_data["image"][-1] : false
+        now_playing = false
+        if track_data["@attr"] != nil
+          now_playing = track_data["@attr"]["nowplaying"] == "true"
+        end
+
+        current_track = {
+            :title => track_data["name"],
+            :artist => track_data["artist"]["#text"],
+            :url => track_data["url"],
+            :image => image["#text"],
+            :header => if now_playing then "Now Playing" else "Last Track" end
+        }
+        return current_track
+    end
+
+    def get_top_tracks
+        if Rails.cache.exist?("top_tracks")
+            return Rails.cache.read("top_tracks")
+        end
+
+        uri = URI.parse('https://ws.audioscrobbler.com/2.0/')
+        params = {
+            :method => 'user.gettoptracks',
+            :user => Rails.application.credentials.lastfm.username,
+            :format => 'json',
+            :period => '1month',
+            :limit => 10,
+            :api_key => Rails.application.credentials.lastfm.api_key
+        }
+        uri.query = URI.encode_www_form(params)
+        req = Net::HTTP::Get.new(uri.to_s)
+        res = Net::HTTP.start(uri.host, uri.port, use_ssl: true) {|http|
+            http.request(req)
+        }
+        data = JSON.parse(res.body)
+        top_tracks = []
+        data["toptracks"]["track"].each do |track|
+          top_tracks.push({
+            :title => track["name"],
+            :artist => track["artist"]["name"],
+            :url => track["url"],
+            :plays => track["playcount"]
+          })
+        end
+
+        return top_tracks
+    end
+
+    def index
+        @current_track = get_current_track
+        @top_tracks = get_top_tracks
+    end
+end