Tempermonkey, Jira - Original estimate sums

Jira - Original estimates sums.user.js

// ==UserScript==
// @name         Jira - Original estimate sum (original)
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  See Original and Remaning Sums
// @author       You
// @match        http://bit-develop-01.brisa.pt/jira/issues/*
// @grant        none
// ==/UserScript==
// @require http://code.jquery.com/jquery-3.4.1.min.js

function sumTimes(times) {
  var weeks = 0, days = 0, hours = 0, minutes = 0;
    $.each( times, function( ) {
        var val = $(this).html();
        var parts = val.split(", ");
        $.each(parts, function() {
            var time_parts = this.split(" ");
            var time_val = parseInt(time_parts[0]);
            switch(time_parts[1]) {
                case "week":
                case "weeks":
                    weeks += time_val;
                    break;
                case "day":
                case "days":
                    days += time_val;
                    break;

                case "hour":
                case "hours":
                    hours += time_val;
                    break;

                case "minute":
                case "minutes":
                    minutes += time_val;
                    break;
            }
        });
    });
    var final_original_sums = weeks+"w "+days+"d "+hours+"h "+minutes+"m"
    days += (weeks*5)
    days += Math.floor(hours/8);
    var _hours = hours % 8;
    _hours += Math.floor(minutes/60);
    var final_times = days+"d "+_hours+"h "+(minutes % 60)+"m";
    var final_hours = parseInt((days*8)+_hours+Math.floor(minutes/60))

    var final_minutes = minutes%60

    return [final_original_sums, final_times, final_hours, final_minutes]
}

(function() {
    'use strict';
    var times = $("body").find("td[class=timeoriginalestimate]");
    var original_times = sumTimes(times);

    var remaning_times = $("body").find("td[class=aggregatetimeestimate]");
    var remaning_sums = sumTimes(remaning_times);

    $("body").find("div[class=list-view]").children()[0].after("Original time: "+original_times[2]+"h "+original_times[3]+"m | Remaining time: "+remaning_sums[2]+"h "+remaning_sums[3]+"m");
})();