bludit/bl-plugins/simple-stats/plugin.php

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<?php
/*
This plugin use the javascript library https://github.com/gionkunz/chartist-js
*/
class pluginSimpleStats extends Plugin {
private $loadOnController = array(
'dashboard'
);
public function init()
{
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global $L;
// Fields and default values for the database of this plugin
$this->dbFields = array(
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'label'=>$L->g('Visits'),
'numberOfDays'=>7,
'excludeAdmins'=>false
);
}
public function form()
{
global $L;
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$html = '<div class="alert alert-primary" role="alert">';
$html .= $this->description();
$html .= '</div>';
$html .= '<div>';
$html .= '<label>'.$L->get('Label').'</label>';
$html .= '<input id="jslabel" name="label" type="text" value="'.$this->getValue('label').'">';
$html .= '<span class="tip">'.$L->get('This title is almost always used in the sidebar of the site').'</span>';
$html .= '</div>';
if (defined('BLUDIT_PRO')) {
$html .= '<div>';
$html .= '<label>'.$L->get('Exclude administrators users').'</label>';
$html .= '<select name="excludeAdmins">';
$html .= '<option value="true" '.($this->getValue('excludeAdmins')===true?'selected':'').'>'.$L->get('Enabled').'</option>';
$html .= '<option value="false" '.($this->getValue('excludeAdmins')===false?'selected':'').'>'.$L->get('Disabled').'</option>';
$html .= '</select>';
$html .= '</div>';
}
return $html;
}
public function adminHead()
{
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if (!in_array($GLOBALS['ADMIN_CONTROLLER'], $this->loadOnController)) {
return false;
}
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// Include plugin's CSS files
$html = $this->includeCSS('chartist.min.css');
$html .= $this->includeCSS('style.css');
// Include plugin's Javascript files
$html .= $this->includeJS('chartist.min.js');
return $html;
}
public function dashboard()
{
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global $L;
$label = $this->getValue('label');
$currentDate = Date::current('Y-m-d');
$visitsToday = $this->visits($currentDate);
$uniqueVisitors = $this->uniqueVisitors($currentDate);
$html = <<<EOF
<div class="simple-stats-plugin">
<div class="container mt-5 pt-5 border-top">
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<h4 class="pb-3">{$L->get('Visits')}</h4>
<div class="row">
<div class="col">
<div class="ct-chart ct-perfect-fourth"></div>
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<p class="legends visits-today">{$L->g('Visits today')}: $visitsToday</p>
<p class="legends unique-today">{$L->g('Unique visitors today')}: $uniqueVisitors</p>
</div>
</div>
</div>
</div>
EOF;
$numberOfDays = $this->getValue('numberOfDays');
$numberOfDays = $numberOfDays - 1;
for ($i=$numberOfDays; $i >= 0 ; $i--) {
$dateWithOffset = Date::currentOffset('Y-m-d', '-'.$i.' day');
$visits[$i] = $this->visits($dateWithOffset);
$unique[$i] = $this->uniqueVisitors($dateWithOffset);
$days[$i] = Date::format($dateWithOffset, 'Y-m-d', 'D');
}
$labels = "'" . implode("','", $days) . "'";
$seriesVisits = implode(',', $visits);
$seriesUnique = implode(',', $unique);
$script = <<<EOF
<script>
var data = {
labels: [$labels],
series: [
[$seriesVisits],
[$seriesUnique]
]
};
var options = {
height: 250,
onlyInteger: true
};
new Chartist.Line('.ct-chart', data, options);
</script>
EOF;
$this->deleteOldLogs();
return $html.PHP_EOL.$script.PHP_EOL;
}
public function siteBodyEnd()
{
$this->addVisitor();
}
// Keep only 7 days of logs, remove the old ones
public function deleteOldLogs()
{
$logs = Filesystem::listFiles($this->workspace(), '*', 'log', true);
$remove = array_slice($logs, 7);
foreach ($remove as $log) {
Filesystem::rmfile($log);
}
}
// Returns the amount of visits by date
public function visits($date)
{
$file = $this->workspace().$date.'.log';
$handle = @fopen($file, 'rb');
if ($handle===false) {
return 0;
}
// The amount of visits are the number of lines on the file
$lines = 0;
while (!feof($handle)) {
$lines += substr_count(fread($handle, 8192), PHP_EOL);
}
@fclose($handle);
return $lines;
}
// Returns the amount of unique visitors by date
public function uniqueVisitors($date)
{
$file = $this->workspace().$date.'.log';
$lines = @file($file);
if (empty($lines)) {
return 0;
}
$tmp = array();
foreach ($lines as $line) {
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$data = json_decode($line);
$hashIP = $data[0];
$tmp[$hashIP] = true;
}
return count($tmp);
}
// Add a line to the current log
// The line is a json array with the hash IP of the visitor and the time
public function addVisitor()
{
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if (Cookie::get('BLUDIT-KEY') && defined('BLUDIT_PRO') && $this->getValue('excludeAdmins')) {
return false;
}
$currentTime = Date::current('Y-m-d H:i:s');
$ip = TCP::getIP();
$hashIP = md5($ip);
$line = json_encode(array($hashIP, $currentTime));
$currentDate = Date::current('Y-m-d');
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$logFile = $this->workspace().$currentDate.'.log';
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return file_put_contents($logFile, $line.PHP_EOL, FILE_APPEND | LOCK_EX)!==false;
}
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}