exit;
}
/** Get some data for the current group (centered and/or fixed layout) */
if (file_exists($clickheatConf['logPath'] . $group . '/url.txt')) {
$f = fopen($clickheatConf['logPath'] . $group . '/url.txt', 'r');
$layout = trim(fgets($f, 1024));
fclose($f);
} else {
$layout = '';
}
$layout = explode('>', $layout);
if (count($layout) !== 4) {
$layout = array('', 0, 0, 0);
}
/** Call the Heatmap class */
$clicksHeatmap = new HeatmapFromClicks();
$clicksHeatmap->browser = $browser;
$clicksHeatmap->minScreen = $minScreen;
$clicksHeatmap->maxScreen = $maxScreen;
$clicksHeatmap->layout = $layout;
$clicksHeatmap->memory = $clickheatConf['memory'] * 1048576;
$clicksHeatmap->step = $clickheatConf['step'];
$clicksHeatmap->dot = $clickheatConf['dot'];
$clicksHeatmap->palette = $clickheatConf['palette'];
$clicksHeatmap->heatmap = $heatmap;
$clicksHeatmap->path = $clickheatConf['cachePath'];
$clicksHeatmap->cache = $clickheatConf['cachePath'];
$clicksHeatmap->file = $imagePath . '-%d.png';
/** Add files */
for ($day = 0; $day < $days; $day++) {
$currentDate = date('Y-m-d', mktime(0, 0, 0, date('m', $dateStamp), date('d', $dateStamp) + $day, date('Y', $dateStamp)));
/**
* Generate image
*/
private function generate($vars)
{
/**
* Class files
*/
include dirname(__FILE__) . '/classes/Heatmap.class.php';
include dirname(__FILE__) . '/classes/HeatmapFromClicks.class.php';
/**
* Screen size
*/
$screen = isset($vars['screen']) ? (int) $vars['screen'] : 0;
$minScreen = 0;
if ($screen < 0) {
$width = abs($screen);
$maxScreen = 3000;
} else {
$maxScreen = $screen;
if (!in_array($screen, $this->screenSizes) || $screen === 0) {
$this->error(_t('Non-standard screen size') . ": {$screen}");
}
$psize = 0;
foreach ($this->screenSizes as $size) {
if ($size === $screen) {
$minScreen = $psize;
break;
}
$psize = $size;
}
$width = $screen - 25;
}
/**
* Time and memory limits
*/
$memory = Options::get('clickheat__memory');
@set_time_limit(120);
@ini_set('memory_limit', $memory . 'M');
/**
* Selected Group
*/
$group = isset($vars['group']) ? $vars['group'] : false;
if ($group === false || !is_dir($this->logs . "/" . $group)) {
return $this->error(_t('Unknown group'));
}
/**
* Show clicks or heatmap
*/
$heatmap = isset($vars['heatmap']) && $vars['heatmap'] == 1;
/**
* Date and days
*/
$time = isset($_SERVER['REQUEST_TIME']) ? $_SERVER['REQUEST_TIME'] : time();
$dateStamp = isset($vars['date']) ? strtotime($vars['date']) : $time;
$range = isset($vars['range']) && in_array($vars['range'], array('d', 'w', 'm')) ? $vars['range'] : 'd';
$date = date('Y-m-d', $dateStamp);
switch ($range) {
case 'd':
$days = 1;
$delay = date('dmy', $dateStamp) !== date('dmy') ? 86400 : 120;
break;
case 'w':
$days = 7;
$delay = date('Wy', $dateStamp) !== date('Wy') ? 86400 : 120;
break;
case 'm':
$days = date('t', $dateStamp);
$delay = date('my', $dateStamp) !== date('my') ? 86400 : 120;
break;
}
$imagePath = $group . '-' . $date . '-' . $range . '-' . $screen . '-' . '-' . ($heatmap ? 'heat' : 'click');
$htmlPath = $this->cache . "/" . $imagePath . '.html';
/**
* If images are already created,
* just stop script here if these have less
* than 120 seconds (today's log) or 86400 seconds (old logs)
*/
if (file_exists($htmlPath) && filemtime($htmlPath) > $time - $delay) {
readfile($htmlPath);
exit;
}
/**
* Call the Heatmap class
*/
$clicksHeatmap = new HeatmapFromClicks();
$clicksHeatmap->minScreen = $minScreen;
$clicksHeatmap->maxScreen = $maxScreen;
$clicksHeatmap->memory = $memory * 1048576;
$clicksHeatmap->step = Options::get('clickheat__step');
$clicksHeatmap->dot = Options::get('clickheat__dot_size');
$clicksHeatmap->palette = Options::get('clickheat__palette');
$clicksHeatmap->rainbow = Options::get('clickheat__rainbow');
$clicksHeatmap->heatmap = $heatmap;
$clicksHeatmap->path = $this->cache;
$clicksHeatmap->cache = $this->cache;
$clicksHeatmap->file = $imagePath . '-%d.png';
/**
* Add files
*/
for ($day = 0; $day < $days; $day++) {
$currentDate = date('Y-m-d', mktime(0, 0, 0, date('m', $dateStamp), date('d', $dateStamp) + $day, date('Y', $dateStamp)));
$clicksHeatmap->addFile($this->logs . "/{$group}/{$currentDate}.log");
}
if (($result = $clicksHeatmap->generate($width)) === false) {
return $this->error($clicksHeatmap->error);
}
$html = '';
for ($i = 0; $i < $result['count']; $i++) {
$html .= '<img src="' . URL::get('ajax', array('context' => 'clickheat', 'action' => 'png', 'file' => $result['filenames'][$i], 'rand' => $time)) . '"
width="' . $result['width'] . '"
height="' . $result['height'] . '"
alt=""
id="heatmap-' . $i . '" /><br />';
}
/**
* Save the HTML code to speed up following queries (only over two minutes)
*/
$f = fopen($htmlPath, 'w');
fputs($f, $html);
fclose($f);
return $html;
}
