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
  43                 if(location.pathname == '/pb/')
  44                         $('table').find('.name').find('a').each(function() {
  45                                 var id = $(this).attr('href').split('?', 2)[0];
  46                                 if(solved[id])
  47                                         $(this).parent().append(tick());
  48                                 else if(attempted[id])
  49                                         $(this).parent().append(xmark());
  50                         });
  51
  52                 if(location.pathname == '/ct/')
  53                         $('table').find('.name').find('a').each(function() {
  54                                 var id = $(this).attr('href').substr(4);
  55                                 if(contests[id])
  56                                         $(this).parent().append(tick());
  57                         });
  58
  59                 if(location.pathname == '/log/')
  60                         $('table').find('tbody').find('tr').each(function() {
  61                                 if($(this).find('.owner').find('a').attr('href') != '/us/' + user)
  62                                         return;
  63                                 $(this).find('.id').append($(this).find('.r0').size() ? tick() : xmark());
  64                         });
  65
  66                 if(location.pathname.match(/^\/st\//) || location.pathname == '/us/')
  67                         $('table').find('tbody').find('tr').each(function() {
  68                                 if($(this).find('.user').find('a').attr('href') == '/us/' + user)
  69                                         $(this).addClass('info tracker-info');
  70                         });
  71         }
  72
  73         function start_tracking(user){
  74                 localStorage.setItem('tracker_username', user);
  75                 $('#tracker_userlink').attr('href', '/us/' + user).html(user);
  76                 $('#tracker_tracking').removeClass('hidden');
  77                 $('#tracker_form').addClass('hidden');
  78                 update_tracker();
  79                 var xhr = new XMLHttpRequest();
  80                 xhr.open('GET', '/us/' + user + '?format=json');
  81                 xhr.onload = function () {
  82                         localStorage.setItem('tracker_data', this.responseText);
  83                         update_tracker();
  84                 };
  85                 xhr.send();
  86         }
  87
  88         function stop_tracking(){
  89                 clean_tracker();
  90                 localStorage.removeItem('tracker_username');
  91                 localStorage.removeItem('tracker_data');
  92                 $('#tracker_tracking').addClass('hidden');
  93                 $('#tracker_form').removeClass('hidden');
  94         }
  95
  96         $( document ).ready(function(){
  97                 $('#tracker').detach().prependTo($('#sidebar')).removeClass('hidden');
  98                 $('#tracker_button').on('click', function() { start_tracking($('#tracker_username').val()) });
  99                 $('#tracker_stop').on('click', stop_tracking);
 100                 $('#track_user').removeClass('hidden');
 101                 $('#track_user').on('click', function() { stop_tracking(); start_tracking($(this).data('user')) });
 102
 103                 if(localStorage.getItem('tracker_username'))
 104                         start_tracking(localStorage.getItem('tracker_username'));
 105         });
 106 })();