GitHubPrAssigneeFilter.user.js

// ==UserScript==
// @name       GitHub PR Assignee Filter
// @namespace  http://github.com/
// @version    0.1.1
// @description  enter something useful
// @include    /https?:\/\/github\.com\/orgs\/[^\/]*\/dashboard\/pulls.*/
// @include    /https?:\/\/github\.com\/organizations\/[^\/]*\/dashboard\/pulls.*/
// @include    /https?:\/\/github\.com\/dashboard\/pulls.*/
// @require    http://code.jquery.com/jquery-2.1.0.min.js
// ==/UserScript==

var $D = $.Deferred;
var local_key = "filter-my-prs";
var attr = 'data-assignee';
var attr_filter = 'data-assignee-filter';
var init_promises = [];
var no_one = '/';

function createButton(text, filter_val) {
    return $('<a href="#" class="minibutton" ' + attr_filter + '="' + filter_val + '">' + text + '</a>');
}

function showPrs(filter) {
    $('*[' + attr + ']').show();
    if (filter != 'false') $('*[' + attr + '][' + attr + '!="' + filter + '"]').hide();
}

function selectButton(filter, exec) {
    $('*[' + attr_filter + ']').removeClass('selected');
    if (filter) { 
        var b = $('*[' + attr_filter + '="' + filter + '"]');
        b.addClass('selected');
        if (exec) b.click();
    }
}

function clickHandler() {
    var me = $(this).attr(attr_filter);
    selectButton(me);
    localStorage.setItem(local_key, me);
    showPrs(me)
}

function addButtons() {
    var me = $('ul#user-links li a img').parent().text().trim();
    var group = $('<div class="button-group"></div>').hide();
    $('.issues-list-options').append(group);
    
    $([ createButton('All', 'false'),
        createButton('Mine', me),
        createButton('Nobody', no_one) ])
    .each(function(i,v) {
        v.appendTo(group).click(clickHandler);
    });

	$.when.apply(null, init_promises)
    .then(function() { 
        selectButton(localStorage.getItem(local_key, 'false'), true);
        group.show();
    });
}

function getAsignee(url) {
    var deferred = $D();    
    $.ajax({
        url: url,
        dataType: 'html'
    }).done(function(h) {
        var a = $($(h).find('.js-assignee-infobar-item-wrapper')[0]);
        var img = a.find('img')
        deferred.resolve({ user: a.text().trim(), img: img.length ? img : null});
    });
    
    return deferred.promise();
}

$('*[class="js-navigation-open"]').each(function(e, v) {
    var pr = v.href;
    var p = $(v).parent('h4').parent();
    var ul = p.find('ul');
    
    var deferred = $D();
   
    getAsignee(pr)
    .done(function(a) {
        var html, user = no_one;
        if (a.img) {
            user = a.user;
            html = [ $('<span>Assigned to: </span>'), a.img , $('<a href="/' + user + '" class="assignee css-truncate-target">' + user + '</a>') ];
        } else {
            html = '<span class="text-muted">No one assigned</span>';
        }
        
        p.attr(attr, user);
		li = $('<li class="gravatar"></li>').append(html).appendTo(ul)        
        deferred.resolve();
    });
    
    init_promises.push(deferred.promise());
});

$(document).ready(addButtons);