// ==UserScript==
// @name       RYM/ Sonemic: Average track rating
// @version    1.3
// @description:en  average track rating for rym/sonemic
// @description average track rating for rym/sonemic
// @match      https://sonemic.com/release/*
// @match      https://rateyourmusic.com/release/*
// @match      http://rateyourmusic.com/release/*
// @match      http://sonemic.com/release/*
// @namespace https://greasyfork.org/users/194849
// ==/UserScript==
//RYM
var $ = unsafeWindow.jQuery;
var url = window.location.href;
var weightedRatingSum_rym = 0;
var numberOfTracks_rym = 0;
var totalDuration = 0;
var relativeTrackDuration;
var weightedRating;
var ratingSum = 0;
//calculate total album duration
$('#tracks li.track').each(function() {
//only count time if it's not "silence"
if($(this).html().search('silence') < 0){
//get the track length in seconds
var duration = $(this).find('.tracklist_duration').text().trim();
var a = duration.split(':');
var seconds = (+a[0]) * 60 + (+a[1])
if(!isNaN(seconds)){
totalDuration+=seconds;
}
}
});
//Iterate through the tracklist and calculate weighted rating
$('#tracks li.track').each(function() {
var seconds = 0;
var a;
var rating = $(this).find('.track_rating').text();
//check if there is a valid rating value for the track
if(parseFloat(rating) > 0){
if(totalDuration > 0){
//get the track length in seconds
var duration = $(this).find('.tracklist_duration').text().trim();
//calculate the length of multipart-tracks
if(duration.length < 1){
var longTrackSeconds = 0;
$(this).nextAll().each(function() {
var partDuration = $(this).find('.tracklist_duration').text().trim();
a = partDuration.split(':');
var partSeconds = (+a[0]) * 60 + (+a[1])
if(partSeconds > 0){
seconds += partSeconds;
}
});
}else{
a = duration.split(':');
seconds = (+a[0]) * 60 + (+a[1])
}
console.log('trackSeconds: ' + seconds);
relativeTrackDuration = seconds / totalDuration;
weightedRating = relativeTrackDuration * rating;
console.log('weighted Rating track: ' + weightedRating);
weightedRatingSum_rym += parseFloat(weightedRating);
}
else{
numberOfTracks_rym++;
ratingSum += parseFloat(rating);
}
}
});
var finalRating;
console.log("duration: " +totalDuration);
console.log("tracks: " +numberOfTracks_rym);
console.log("sum: " +ratingSum);
finalRating = (totalDuration > 0) ? weightedRatingSum_rym.toFixed(2) : (ratingSum / numberOfTracks_rym).toFixed(2);
var header = $('.release_page_header').text();
var useless1 = document.getElementsByClassName("release_page_header");
for (var j = 0; j < useless1.length; j++) {
var useless2 = useless1[j].innerText;
if(useless2.includes("listing")){
var element = document.getElementsByClassName("release_page_header")[j];
var str = element.innerHTML;
var text = str + "(Average: " +finalRating+ ")";
element.innerHTML = text;
}
}
//SONEMIC
if(url.includes('sonemic')){
var heading = document.getElementsByClassName("page_object_section_header");
var finalText;
var tracklist = document.getElementsByClassName("page_fragment_track_avg_rating");
var lengths = document.getElementsByClassName("page_fragment_track_duration");
var weightedRatingSum_sonemic = 0;
var trackCounter = 0;
var totalDuration_sonemic = 0;
var totalRatings_sonemic = 0;
var finalRating_sonemic;
var lengthsavailable = false;
var weightedRating_sonemic = 0;
var tracklengths = new Array(50);
//album duration
for (var k = 0; k < tracklist.length; k++) {
var duration = lengths[k].innerText.trim();
var a = duration.split(':');
var seconds = (+a[0]) * 60 + (+a[1])
tracklengths[k] = seconds;
if(k==0 && seconds > 0) {lengthsavailable = true;}
var rating = parseFloat(tracklist[k].innerText);
totalDuration_sonemic += seconds;
totalRatings_sonemic += rating;
}
//track lengths are available and thus a weighted rating is possible
if(lengthsavailable){
for (k = 0; k < tracklist.length; k++) {
rating = parseFloat(tracklist[k].innerText);
relativeTrackDuration = tracklengths[k] / totalDuration_sonemic;
weightedRating_sonemic = relativeTrackDuration * rating;
weightedRatingSum_sonemic += parseFloat(weightedRating_sonemic);
}
finalText = "Tracks (Average: " +weightedRatingSum_sonemic.toFixed(2)+ ")";
}
else{
finalRating_sonemic = parseFloat(totalRatings_sonemic/tracklist.length);
finalText = "Tracks (Average: " +finalRating_sonemic.toFixed(2)+ ")";
}
heading[1].innerHTML = finalText;
}