Adds "Stories finished this week" to top right of jira rapidboards

jiracount.user.js

// ==UserScript==
// @name       Jira Points
// @version    0.1.5
// @description adds issues done this week
// @match      https://*.atlassian.net/secure/RapidBoard.jspa*
// ==/UserScript==

// a function that loads jQuery and calls a callback function when jQuery has finished loading
function addJQuery(callback) {
  var script = document.createElement("script");
  script.setAttribute("src", "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js");
  script.addEventListener('load', function() {
    var script = document.createElement("script");
    script.textContent = "window.jQ=jQuery.noConflict(true);(" + callback.toString() + ")();";
    document.body.appendChild(script);
  }, false);
  document.body.appendChild(script);
}

// the guts of this userscript
function main() {
    // Note, jQ replaces $ to avoid conflicts.
    var $ = jQ;
    $(document).ready(function(){
        //copy from here to end of ready function and paste into console on a jiraboard to test
        function calculateStoryData() {
            var days = [],         
                completedStories = 0,
                message = "",        
                currentDayOfWeek = new Date().getDay(),
                goal = 16,
                daysSinceStartOfSprint = currentDayOfWeek;

            $('.ghx-swimlane:last li.ghx-column:last .ghx-issue .ghx-days').each(function(){ 
                var daysInDone = $(this).attr('title').split(" days")[0];
                if( days[daysInDone] === undefined){
                    days[daysInDone] = 0;
                }
                days[daysInDone] ++; 

                if(daysInDone <= daysSinceStartOfSprint) {
                    completedStories ++;
                }
            });
            
            console.log(days, "days in done breakdown [number of days:number of issues]");

            message = 'Stories finished this week ' + completedStories;

            //show the number of finished stories in the done coloumn this week up top right
            if($('.finishedIssues').size() !== 0) {
                $('.finishedIssues').html(message);
            } else {
                $('#ghx-modes-tools').prepend($('<h1>').css('display', 'inline').addClass('finishedIssues').html(message));        
            }
        }

        //run once on page load
        calculateStoryData();

        // bind to changes in the last colomn / bottom swimlane
        $(".ghx-swimlane:last li.ghx-column:last").bind("DOMSubtreeModified", calculateStoryData);
    });

}

// load jQuery and execute the main function
addJQuery(main);