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