BeatPort Pro: make it work again

Fixed:
- invisible import button
- more tracks than in the release
- release artist credit were the ones of the last track
- remove 'Original Mix' from track titles
- update jquery to recent version
- prevent jquery conflicts
- use relative paths for lib

beatport_pro_importer.user.js

@@ -8,21 +8,22 @@
 // @updateURL      https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/beatport_pro_importer.user.js
 // @include        http://pro.beatport.com/release/*
 // @include        https://pro.beatport.com/release/*
-// @require        https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js
-// @require        https://raw.githubusercontent.com/murdos/musicbrainz-userscripts/master/lib/import_functions.js
-// @require        https://raw.github.com/murdos/musicbrainz-userscripts/master/lib/logger.js
+// @require        https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js
+// @require        lib/import_functions.js
+// @require        lib/logger.js
 // ==/UserScript==
 
+// prevent JQuery conflicts, see http://wiki.greasespot.net/@grant
+this.$ = this.jQuery = jQuery.noConflict(true);
+
 if (!unsafeWindow) unsafeWindow = window;
 
 $(document).ready(function(){
-
-  eval( $( "#data-objects" )[0].textContent );
   var release = retrieveReleaseInfo();
   insertLink(release);
-
 });
 
+
 function retrieveReleaseInfo() {
   var release = {};
 
@@ -32,7 +33,7 @@ function retrieveReleaseInfo() {
   release.status = 'official';
   release.urls = [];
   release.urls.push( { 'url': window.location.href } );
-  release.id = $( "a[data-release]" ).attr('data-release');
+  release.id = $( "span.playable-play-all[data-release]" ).attr('data-release');
 
   release.title = $( "h3.interior-type:contains('Release')" ).next().text().trim();
 
@@ -51,30 +52,63 @@ function retrieveReleaseInfo() {
 
   // Tracks
   var tracks = [];
-
-  window.Playables.tracks.forEach(
-    function ( j, index, arr ) {
-      if(j.release.id != release.id) {
+  var the_tracks = unsafeWindow.Playables.tracks;
+  var seen_tracks = {}; // to shoot duplicates ...
+  var release_artists = [];
+  $.each(the_tracks,
+    function (idx, track) {
+      if (track.release.id != release.id) {
         return;
       }
+      if (seen_tracks[track.id]) {
+        return;
+      }
+      seen_tracks[track.id] = true;
 
-      var artist = [];
-      j.artists.forEach(
-        function ( a, index, arr ) {
-          artist.push({
-            'artist_name': a.name
+      var artists = [];
+      $.each(track.artists,
+        function (idx2,  artist) {
+          artists.push({
+            'artist_name': artist.name
           });
+          release_artists.push(artist.name);
         }
       );
-      release.artist_credit = artist;
 
+      var title = track.name;
+      if (track.mix && track.mix != 'Original Mix') {
+        title += ' (' + track.mix + ')';
+      }
       tracks.push({
-        'artist_credit': artist,
-        'title': j.title,
-        'duration': j.duration.minutes
+        'artist_credit': artists,
+        'title': title,
+        'duration': track.duration.minutes
       });
     }
   );
+  var unique_artists = [];
+  $.each(release_artists, function(i, el){
+    if ($.inArray(el, unique_artists) === -1) {
+      unique_artists.push(el);
+    }
+  });
+
+  var artists = unique_artists.map(function(item) { return {artist_name: item}; });
+  if (artists.length > 2) {
+    var last = artists.pop();
+    last.joinphrase = '';
+    var prev = artists.pop();
+    prev.joinphrase = ' & ';
+    for (var i = 0; i < artists.length; i++) {
+      artists[i].joinphrase = ', ';
+    }
+    artists.push(prev);
+    artists.push(last);
+  } else if (artists.length == 2) {
+    artists[0].joinphrase = ' & ';
+  }
+
+  release.artist_credit = artists;
   release.discs = [];
   release.discs.push( {
     'tracks': tracks,
@@ -92,5 +126,6 @@ function insertLink(release) {
 
     var innerHTML = MBReleaseImportHelper.buildFormHTML(parameters);
 
-    $(".interior-release-chart-content-list").append(innerHTML);
+    $(".interior-release-chart-content-list").append('<li class="interior-release-chart-content-item musicbrainz-import">' + innerHTML + '</li>');
+    $('.musicbrainz-import input[type="submit"]').css('background', '#eee');
 }