Sort comments by timestamp on Soundcloud
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// ==UserScript==
// @name Soundcloud:Sort comments by timestamp
// @description Sort comments by timestamp on Soundcloud
// @include *soundcloud.com/*
// @grant none
// @namespace https://greatest.deepsurf.us/users/4252
// @version 0.0.1.20151001012956
// ==/UserScript==
//Note: Only been tested in firefox
var SortButton = document.createElement("button");
SortButton.type = "button";
SortButton.className = "sc-button sc-button-medium sc-button-responsive";
SortButton.innerHTML = "Sort by timestamp";
SortButton.onclick = sortcomments;
window.addEventListener('load', WindowLoadedSortButton, false);
function WindowLoadedSortButton() {
if (document.getElementsByClassName("commentsList__title").length != 0) { //if comment header exists
document.getElementsByClassName("commentsList__title")[0].appendChild(SortButton);
}
}
function sortcomments() {
if (document.getElementsByClassName("paging-eof").length == 0) {
alert("Please scroll all the way to the bottom so that all comments load before running this script");
return;
}
var commentContainer = document.getElementsByClassName("lazyLoadingList__list")[0];
var allcomments = [].slice.call(commentContainer.children);
k = 0.01; //decimal to stick at end of timestamp so that threads (replies) stay together
for (i = 0; i < allcomments.length; i++) {
if (allcomments[i].firstChild.classList.contains("isReply")) {
allcomments[i].setAttribute("timestamp4sort", getTimestampInSeconds(allcomments[i]) + k);
k = k + 0.01; //theoretically correctly sort 100 consecutive replies
} else {
allcomments[i].setAttribute("timestamp4sort", getTimestampInSeconds(allcomments[i]));
k = 0.01; //reset
}
}
allcomments.sort(compare);
while (commentContainer.lastChild) {
commentContainer.removeChild(commentContainer.lastChild);
}
for (i = 0; i < allcomments.length; i++) {
commentContainer.appendChild(allcomments[i]);
}
alert("sorted");
}
function compare(a, b) {
var avalue = parseFloat(a.getAttribute("timestamp4sort"));
var bvalue = parseFloat(b.getAttribute("timestamp4sort"));
if (avalue < bvalue)
return -1;
if (avalue > bvalue)
return 1;
return 0;
}
function hmsToSecondsOnly(str) { //This function handles "HH:MM:SS" as well as "MM:SS" or "SS".
var p = str.split(':'),
s = 0,
m = 1;
while (p.length > 0) {
s += m * parseInt(p.pop(), 10);
m *= 60;
}
return s;
}
function getTimestampInSeconds(licomment) { //takes the <li> element of a comment. returns an integer
if (licomment.getElementsByClassName("commentItem__timestamp").length != 0) {
return hmsToSecondsOnly(licomment.getElementsByClassName("commentItem__timestamp")[0].innerHTML.replace("says at ", "").slice(0, -1)); //we slice of the last character to change "1:32:25:" to "1:32:25"
} else {
return 0;
}
}