hackfest/index.html at master · klickpush/hackfest · GitHub

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<!DOCTYPE HTML>
<html>
  <head>
    <link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
    <script src="http://codeorigin.jquery.com/jquery-2.0.3.min.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/Chart.js/0.2.0/Chart.min.js"></script>
  </head>
  <body>

    <div class="container">

      <div class="starter-template">
        <h1>BPM reader (formally known as FaceMelter)</h1>
        <p class="lead">Tap your beat, to get the BEATS.</p>
        <textarea name="bpm" id="bpm" rows="4" cols="120"></textarea>
      </div>
      <input type="hidden" id="starting_time" value="" />
      <input type="hidden" id="first_key_stoke" value="true" />
      <h2 style="display: none;">Count: <span name="bpm_count" id="bpm_count">0</span></h2>
      <h2>BPM: <span name="bpm_calculated" id="bpm_calculated">0</span></h2>
      <div style="display: none;">
        <ul id="bpm_data">
          <li>0</li>
        </ul>
      </div>

      <div id="ad54">

      </div>

      <canvas id="myChart" width="800" height="500"></canvas>

    </div><!-- /.container -->

    <script type="text/javascript">
      // $(window).load(function () {
      //   var timeInMs = Date.now();
      //   $('#starting_time').text(timeInMs);
      // });

      var counter;

      function first_key() {
        var timeInMs = Date.now();
        $('#first_key_stoke').val('false');
        $('#starting_time').text(timeInMs);
        counter=setInterval(timer, 500); //1000 will  run it every 1 second
      }

      $('#bpm').on("keypress", function(event) {
        if( $('#first_key_stoke').val() == 'true' ) {
          first_key();
        }
        var cur_count_str = $('#bpm_count').text();
        var cur_count = parseInt(cur_count_str) + 1;
        $('#bpm_count').html(cur_count);
        if(event.charCode == 13) { // 13 is return
          getSong(calculateBPM());
          $('#bpm_count').html('0');
          $('#first_key_stoke').val('true');
          clearInterval(counter);
        }
      })

      function timer() {
        var bpm = calculateBPM();
        recordBpm(bpm);
        drawGraph();
        return;
      };

      function recordBpm(bpm) {
        $("#bpm_data").append('<li>' + bpm + '</li>');
      }

      function readBpm() {
        var bpmData = [];
        $("#bpm_data li").each(function(idx, li){
          bpmData.push(li.innerHTML);
        });
        return bpmData;
      };

      function calculateBPM() {
        var cur_count_str = $('#bpm_count').text();
        var cur_count = parseInt(cur_count_str);
        var begin_time = $('input#starting_time').text();
        begin_time = parseInt(begin_time);
        var end_time = Date.now();
        var diff_time = end_time - begin_time;
        var bpm = Math.round(cur_count / (diff_time/1000/60));
        $('#bpm_calculated').html(bpm);
        return bpm;
      };


      function drawGraph() {
        var bpm_data = readBpm();
        console.log(bpm_data);


        var arr = [];
        for(var i=1; i<=bpm_data.length; i++) {
         arr.push(i.toString());
        }

        var data = {
          labels : arr,
          datasets : [
            {
              fillColor : "rgba(220,220,220,0.5)",
              strokeColor : "rgba(220,220,220,1)",
              pointColor : "rgba(220,220,220,1)",
              pointStrokeColor : "#fff",
              data : bpm_data
            }
          ]
        }

        var ctx = $("#myChart").get(0).getContext("2d");
        //This will get the first returned node in the jQuery collection.
        var myNewChart = new Chart(ctx);
        var options = { animation : false };
        myNewChart.Line(data, options);
        var reset_canvas = document.getElementById("myChart");
        reset_canvas.width = 800;
        reset_canvas.height = 500;

      }


      function getSong(bpm) {
        var echonestApiKey = 'HMIPHAC0X2ZWDG9AO';
        var min_bpm = parseInt(bpm) - 2;
        var max_bpm = parseInt(bpm) + 2;
        // http://developer.echonest.com/api/v4/song/search?api_key=HMIPHAC0X2ZWDG9AO&format=json&min_tempo=181.19337706966573&max_tempo=181.19337706966573&bucket=id:spotify-WW&bucket=audio_summary&bucket=tracks
        var get_url = "http://developer.echonest.com/api/v4/song/search?api_key=" + echonestApiKey + "&format=json&min_tempo=" + min_bpm.toString() + "&max_tempo=" + max_bpm.toString() + "&bucket=id:spotify-WW&bucket=audio_summary&bucket=tracks&sort=song_hotttnesss-desc"
        console.log(get_url);


        $.ajax({
          url: get_url,
          dataType: 'json',
          success: function(datas) {
            var variable = '';

            for (var i = 0; i < datas.response.songs.length; i++) {
              if(datas.response.songs[i]['tracks'] !== undefined) {
                if(datas.response.songs[i]['tracks'][0] !== undefined) {
                  if( datas.response.songs[i]['tracks'][0]['foreign_id'] !== undefined ) {
                    var variable = variable + datas.response.songs[i]['tracks'][0]['foreign_id'].substr(17) + ',';
                  }
                }
              }
                //Do something
            }
            variable = variable.substring(0, variable.length - 1);
            console.log(variable);

            var link = 'https://embed.spotify.com/?uri=spotify:trackset:' + variable.substr(17);
            var iframe = document.createElement('iframe');
            iframe.frameBorder=0;
            iframe.width="500px";
            // iframe.height="250px";
            iframe.setAttribute("src", link);
            document.getElementById("ad54").appendChild(iframe);

            console.log(link);


          },
          error: function(XMLHttpRequest, textStatus, errorThrown) {
            console.log(textStatus, errorThrown);
          }
        });

        // var tmp_response = $.getJSON(get_url);
        // console.log(tmp_response);
        // tmp_response.response.songs.each(function(idx, li){
        //   alert(li);
        // });
        // return response;
      }

      function parseResults(songs) {
        console.log(songs);
        alert(songs);
        // console.log(songs);
      }

      // var data = {
      //   labels : ["January","February","March","April","May","June","July"],
      //   datasets : [
      //     {
      //       fillColor : "rgba(220,220,220,0.5)",
      //       strokeColor : "rgba(220,220,220,1)",
      //       pointColor : "rgba(220,220,220,1)",
      //       pointStrokeColor : "#fff",
      //       data : [65,59,90,81,56,55,40]
      //     },
      //     {
      //       fillColor : "rgba(151,187,205,0.5)",
      //       strokeColor : "rgba(151,187,205,1)",
      //       pointColor : "rgba(151,187,205,1)",
      //       pointStrokeColor : "#fff",
      //       data : [28,48,40,19,96,27,100]
      //     }
      //   ]
      // }

      // //Get context with jQuery - using jQuery's .get() method.
      // var ctx = $("#myChart").get(0).getContext("2d");
      // //This will get the first returned node in the jQuery collection.
      // var myNewChart = new Chart(ctx);
      // myNewChart.Line(data);

   </script>

    <script src="http:////netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
  </body>
</html>