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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
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namespace yii\debug;
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use Yii;
use yii\log\Target;
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/**
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
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class LogTarget extends Target
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{
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/**
* @var Module
*/
public $module;
public $tag;
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/**
* @param \yii\debug\Module $module
* @param array $config
*/
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public function __construct($module, $config = array())
{
parent::__construct($config);
$this->module = $module;
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$this->tag = uniqid();
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}
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/**
* Exports log messages to a specific destination.
* Child classes must implement this method.
*/
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public function export()
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{
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$path = $this->module->dataPath;
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if (!is_dir($path)) {
mkdir($path);
}
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$indexFile = "$path/index.json";
if (!is_file($indexFile)) {
$manifest = array();
} else {
$manifest = json_decode(file_get_contents($indexFile), true);
}
$request = Yii::$app->getRequest();
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$manifest[$this->tag] = $summary = array(
'tag' => $this->tag,
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'url' => $request->getAbsoluteUrl(),
'ajax' => $request->getIsAjax(),
'method' => $request->getMethod(),
'ip' => $request->getUserIP(),
'time' => time(),
);
$this->gc($manifest);
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$dataFile = "$path/{$this->tag}.json";
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$data = array();
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foreach ($this->module->panels as $id => $panel) {
$data[$id] = $panel->save();
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}
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$data['summary'] = $summary;
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file_put_contents($dataFile, json_encode($data));
file_put_contents($indexFile, json_encode($manifest));
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}
/**
* Processes the given log messages.
* This method will filter the given messages with [[levels]] and [[categories]].
* And if requested, it will also export the filtering result to specific medium (e.g. email).
* @param array $messages log messages to be processed. See [[Logger::messages]] for the structure
* of each message.
* @param boolean $final whether this method is called at the end of the current application
*/
public function collect($messages, $final)
{
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$this->messages = array_merge($this->messages, $messages);
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if ($final) {
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$this->export($this->messages);
}
}
protected function gc(&$manifest)
{
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if (count($manifest) > $this->module->historySize + 10) {
$n = count($manifest) - $this->module->historySize;
foreach (array_keys($manifest) as $tag) {
$file = $this->module->dataPath . "/$tag.json";
@unlink($file);
unset($manifest[$tag]);
if (--$n <= 0) {
break;
}
}
}
}
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}