js/90-tracker.js

   1 (function(){
   2         'use strict';
   3
   4         function tick()  { return $('<span class="tick tracker-mark">✔</span>') }
   5         function xmark() { return $('<span class="x tracker-mark">✘</span>')    }
   6
   7         function clean_tracker(){
   8                 $('.tracker-mark').detach();
   9                 $('.tracker-info').removeClass('tracker-info info');
  10         }
  11
  12         function update_tracker(){
  13                 var data = localStorage.getItem('tracker_data');
  14                 var user = localStorage.getItem('tracker_username');
  15                 if(!data)
  16                         return;
  17                 data = JSON.parse(data);
  18                 var solved = {};
  19                 var attempted = {};
  20                 var solvednr = 0;
  21                 var attemptednr = 0;
  22                 data.problems.forEach(function(e){
  23                         if(e.solved){
  24                                 solved[e.problem] = 1;
  25                                 solvednr++;
  26                         } else {
  27                                 attempted[e.problem] = 1;
  28                                 attemptednr++;
  29                         }
  30                 });
  31
  32                 var contests = {};
  33                 data.contests.forEach(function(e){
  34                         contests[e.contest] = 1;
  35                 });
  36
  37                 clean_tracker();
  38                 $('#tracker_userlink').html(data.name);
  39                 $('#tracker_solved').html(solvednr);
  40                 $('#tracker_attempted').html(attemptednr);
  41                 $('#tracker_contests').html(data.contests.length);
  42                 $('#tracker_log').attr('href', '/log/?owner=' + user);
  43
  44                 if(location.pathname == '/pb/')
  45                         $('table').find('.name').find('a').each(function() {
  46                                 var id = $(this).attr('href').split('?', 2)[0];
  47                                 if(solved[id])
  48                                         $(this).parent().prepend(tick());
  49                                 else if(attempted[id])
  50                                         $(this).parent().prepend(xmark());
  51                         });
  52
  53                 if(location.pathname == '/ct/')
  54                         $('table').find('.name').find('a').each(function() {
  55                                 var id = $(this).attr('href').substr(4);
  56                                 if(contests[id])
  57                                         $(this).parent().prepend(tick());
  58                         });
  59
  60                 if(location.pathname == '/log/')
  61                         $('table').find('tbody').find('tr').each(function() {
  62                                 if($(this).find('.owner').find('a').attr('href') != '/us/' + user)
  63                                         return;
  64                                 $(this).find('.id').append($(this).find('.r0').size() ? tick() : xmark());
  65                         });
  66
  67                 if(location.pathname.match(/^\/st\//) || location.pathname == '/us/')
  68                         $('table').find('tbody').find('tr').each(function() {
  69                                 if($(this).find('.user').find('a').attr('href') == '/us/' + user)
  70                                         $(this).addClass('info tracker-info');
  71                         });
  72         }
  73
  74         function start_tracking(user){
  75                 localStorage.setItem('tracker_username', user);
  76                 $('#tracker_userlink').attr('href', '/us/' + user).html(user);
  77                 $('#tracker_tracking').removeClass('hidden');
  78                 update_tracker();
  79                 var lastfetch = localStorage.getItem('tracker_lastfetch');
  80                 if(Date.now() - lastfetch > 60 * 10 * 1000)
  81                         refresh_tracker();
  82         }
  83
  84         function refresh_tracker(){
  85                 var user = localStorage.getItem('tracker_username');
  86                 var xhr = new XMLHttpRequest();
  87                 xhr.open('GET', '/us/' + user + '?format=json');
  88                 xhr.onload = function () {
  89                         localStorage.setItem('tracker_data', this.responseText);
  90                         localStorage.setItem('tracker_lastfetch', Date.now());
  91                         update_tracker();
  92                 };
  93                 xhr.send();
  94         }
  95         window.refresh_tracker = refresh_tracker;
  96         window.start_tracking = start_tracking;
  97
  98         function stop_tracking(){
  99                 clean_tracker();
 100                 localStorage.removeItem('tracker_username');
 101                 localStorage.removeItem('tracker_data');
 102                 localStorage.removeItem('tracker_lastfetch');
 103                 $('#tracker_tracking').addClass('hidden');
 104         }
 105
 106         $( document ).ready(function(){
 107                 $('#tracker').detach().prependTo($('#sidebar'));
 108                 $('#tracker_stop').on('click', stop_tracking);
 109                 $('#track_user').on('click', function() { stop_tracking(); start_tracking($(this).data('user')) });
 110                 $('#submitform').on('submit', function() { localStorage.removeItem('tracker_lastfetch') });
 111
 112                 if(localStorage.getItem('tracker_username'))
 113                         start_tracking(localStorage.getItem('tracker_username'));
 114         });
 115 })();