stacktrace store

store.php

<?php

$url = new Url();
$page = $url->post('page');

if(!$page) return;

class ErrorTrace extends MongoData {

    // MongoData 中没有，区别 http://stackoverflow.com/a/7958954
    public function findOne($obj) {
        return $this->connection->findOne($obj);
    }
};

$store = new ErrorTrace();
$fields = array(
  'url' => $url->post('url'),
	'message' => $url->post('message'),
	'line' => $url->post('line'),
	'ua' => $url->post('ua'),
);

$index = array('page' => $page);
$hash = md5(json_encode($fields));

// 不重复记录一个错误，所有错误记录在同一个 URL 下
if($field = $store->findOne($index)) {
    if(isset($field[$hash])) return;
    return $store->setAttr(new Query('page', $page), $hash, $fields);
}

$store->page = $page;
$store->$hash = $fields;
$store->save();

?>