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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\log; |
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use Yii; |
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use yii\db\Connection; |
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use yii\base\InvalidConfigException; |
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use yii\di\Instance; |
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use yii\helpers\VarDumper; |
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/** |
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* DbTarget stores log messages in a database table. |
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* |
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* The database connection is specified by [[db]]. Database schema could be initialized by applying migration: |
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* |
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* ``` |
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* yii migrate --migrationPath=@yii/log/migrations/ |
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* ``` |
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* |
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* If you don't want to use migration and need SQL instead, files for all databases are in migrations directory. |
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* |
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* You may change the name of the table used to store the data by setting [[logTable]]. |
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* |
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* @author Qiang Xue <[email protected]> |
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* @since 2.0 |
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*/ |
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class DbTarget extends Target |
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{ |
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/** |
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* @var Connection|array|string the DB connection object or the application component ID of the DB connection. |
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* After the DbTarget object is created, if you want to change this property, you should only assign it |
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* with a DB connection object. |
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* Starting from version 2.0.2, this can also be a configuration array for creating the object. |
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*/ |
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public $db = 'db'; |
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/** |
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* @var string name of the DB table to store cache content. Defaults to "log". |
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*/ |
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public $logTable = '{{%log}}'; |
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/** |
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* Initializes the DbTarget component. |
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* This method will initialize the [[db]] property to make sure it refers to a valid DB connection. |
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* @throws InvalidConfigException if [[db]] is invalid. |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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$this->db = Instance::ensure($this->db, Connection::className()); |
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} |
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/** |
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* Stores log messages to DB. |
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*/ |
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public function export() |
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{ |
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if ($this->db->getTransaction()) { |
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// create new database connection, if there is an open transaction |
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// to ensure insert statement is not affected by a rollback |
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$this->db = clone $this->db; |
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} |
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$tableName = $this->db->quoteTableName($this->logTable); |
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$sql = "INSERT INTO $tableName ([[level]], [[category]], [[log_time]], [[prefix]], [[message]]) |
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VALUES (:level, :category, :log_time, :prefix, :message)"; |
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$command = $this->db->createCommand($sql); |
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foreach ($this->messages as $message) { |
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list($text, $level, $category, $timestamp) = $message; |
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if (!is_string($text)) { |
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// exceptions may not be serializable if in the call stack somewhere is a Closure |
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if ($text instanceof \Throwable || $text instanceof \Exception) { |
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$text = (string) $text; |
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} else { |
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$text = VarDumper::export($text); |
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} |
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} |
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$command->bindValues([ |
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':level' => $level, |
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':category' => $category, |
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':log_time' => $timestamp, |
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':prefix' => $this->getMessagePrefix($message), |
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':message' => $text, |
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])->execute(); |
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} |
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} |
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} |
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yiisoft /
yii2
