[Sommaire] [Imprimer]

   1  <?php
   2  /**
   3   * ClickHeat : réponse à l'appel Ajax / Reply to the Ajax call
   4   * 
   5   * @author Yvan Taviaud - LabsMedia - www.labsmedia.com
   6   * @since 27/10/2006
   7  **/
   8  
   9  /** Direct call forbidden */
  10  if (!defined('CLICKHEAT_LANGUAGE'))
  11  {
  12      exit;
  13  }
  14  
  15  /** Main class */
  16  include  CLICKHEAT_ROOT.'classes/Heatmap.class.php';
  17  include  CLICKHEAT_ROOT.'classes/HeatmapFromClicks.class.php';
  18  
  19  /** Screen size */
  20  $screen = isset($_GET['screen']) ? (int) $_GET['screen'] : 0;
  21  $minScreen = 0;
  22  if ($screen < 0)
  23  {
  24      $width = abs($screen);
  25      $maxScreen = 3000;
  26  }
  27  else
  28  {
  29      $maxScreen = $screen;
  30      if (!in_array($screen, $__screenSizes) || $screen === 0)
  31      {
  32          errorGenerate(LANG_ERROR_SCREEN);
  33      }
  34      for ($i = 1; $i < count($__screenSizes); $i++)
  35      {
  36          if ($__screenSizes[$i] === $screen)
  37          {
  38              $minScreen = $__screenSizes[$i - 1];
  39              break;
  40          }
  41      }
  42      $width = $screen - 25;
  43  }
  44  
  45  /** Browser */
  46  $browser = isset($_GET['browser']) ? $_GET['browser'] : '';
  47  if (!isset($__browsersList[$browser]))
  48  {
  49      $browser = 'all';
  50  }
  51  
  52  /** Time and memory limits */
  53  @set_time_limit(120);
  54  @ini_set('memory_limit', $clickheatConf['memory'].'M');
  55  
  56  /** Selected Group */
  57  $group = isset($_GET['group']) ? str_replace('/', '', $_GET['group']) : '****dead_directory****';
  58  if (!is_dir($clickheatConf['logPath'].$group))
  59  {
  60      errorGenerate(LANG_ERROR_GROUP);
  61  }
  62  
  63  /** Show clicks or heatmap */
  64  $heatmap = isset($_GET['heatmap']) && $_GET['heatmap'] === '1';
  65  
  66  /** Date and days */
  67  $time = isset($_SERVER['REQUEST_TIME']) ? $_SERVER['REQUEST_TIME'] : time();
  68  $dateStamp = isset($_GET['date']) ? strtotime($_GET['date']) : $time;
  69  $range = isset($_GET['range']) && in_array($_GET['range'], array('d', 'w', 'm')) ? $_GET['range'] : 'd';
  70  $date = date('Y-m-d', $dateStamp);
  71  switch ($range)
  72  {
  73      case 'd':
  74          {
  75              $days = 1;
  76              $delay = date('dmy', $dateStamp) !== date('dmy') ? 86400 : 120;
  77              break;
  78          }
  79      case 'w':
  80          {
  81              $days = 7;
  82              $delay = date('Wy', $dateStamp) !== date('Wy') ? 86400 : 120;
  83              break;
  84          }
  85      case 'm':
  86          {
  87              $days = date('t', $dateStamp);
  88              $delay = date('my', $dateStamp) !== date('my') ? 86400 : 120;
  89              break;
  90          }
  91  }
  92  
  93  $imagePath = $group.'-'.$date.'-'.$range.'-'.$screen.'-'.$browser.'-'.($heatmap === true ? 'heat' : 'click');
  94  $htmlPath = $clickheatConf['cachePath'].$imagePath.'.html';
  95  
  96  /** If images are already created, just stop script here if these have less than 120 seconds (today's log) or 86400 seconds (old logs) */
  97  if (file_exists($htmlPath) && filemtime($htmlPath) > $time - $delay)
  98  {
  99      readfile($htmlPath);
 100      exit;
 101  }
 102  
 103  /** Get some data for the current group (centered and/or fixed layout) */
 104  if (file_exists($clickheatConf['logPath'].$group.'/url.txt'))
 105  {
 106      $f = fopen($clickheatConf['logPath'].$group.'/url.txt', 'r');
 107      $layout = trim(fgets($f, 1024));
 108      fclose($f);
 109  }
 110  else
 111  {
 112      $layout = '';
 113  }
 114  $layout = explode('>', $layout);
 115  if (count($layout) !== 4)
 116  {
 117      $layout = array('', 0, 0, 0);
 118  }
 119  
 120  /** Call the Heatmap class */
 121  $clicksHeatmap = new HeatmapFromClicks();
 122  $clicksHeatmap->browser = $browser;
 123  $clicksHeatmap->minScreen = $minScreen;
 124  $clicksHeatmap->maxScreen = $maxScreen;
 125  $clicksHeatmap->layout = $layout;
 126  $clicksHeatmap->memory = $clickheatConf['memory'] * 1048576;
 127  $clicksHeatmap->step = $clickheatConf['step'];
 128  $clicksHeatmap->dot = $clickheatConf['dot'];
 129  $clicksHeatmap->palette = $clickheatConf['palette'];
 130  $clicksHeatmap->heatmap = $heatmap;
 131  $clicksHeatmap->path = $clickheatConf['cachePath'];
 132  $clicksHeatmap->cache = $clickheatConf['cachePath'];
 133  $clicksHeatmap->file = $imagePath.'-%d.png';
 134  /** Add files */
 135  for ($day = 0; $day < $days; $day++)
 136  {
 137      $currentDate = date('Y-m-d', mktime(0, 0, 0, date('m', $dateStamp), date('d', $dateStamp) + $day, date('Y', $dateStamp)));
 138      $clicksHeatmap->addFile($clickheatConf['logPath'].$group.'/'.$currentDate.'.log');
 139  }
 140  
 141  $result = $clicksHeatmap->generate($width);
 142  if ($result === false)
 143  {
 144      errorGenerate($clicksHeatmap->error);
 145  }
 146  $html = '';
 147  for ($i = 0; $i < $result['count']; $i++)
 148  {
 149      $html .= '<img src="'.CLICKHEAT_INDEX_PATH.'action=png&amp;file='.$result['filenames'][$i].'&amp;rand='.$time.'" width="'.$result['width'].'" height="'.$result['height'].'" alt="" id="heatmap-'.$i.'" /><br />';
 150  }
 151  echo $html;
 152  
 153  /** Save the HTML code to speed up following queries (only over two minutes) */
 154  $f = fopen($htmlPath, 'w');
 155  fputs($f, $html);
 156  fclose($f);
 157  
 158  /**
 159   * Retourne une erreur / Returns an error
 160   *
 161   * @param string $error
 162  **/
 163  function errorGenerate($error)
 164  {
 165      echo '&nbsp;<div style="line-height:20px;"><span class="error">'.$error.'</span></div>';
 166      exit;
 167  }
 168  ?>