`yii\mongodb\log\MongoDbTarget` log target added

extensions/mongodb/CHANGELOG.md

@@ -10,6 +10,7 @@ Yii Framework 2 mongodb extension Change Log
 - Enh #3778: Gii generator for Active Record model added (klimov-paul)
 - Enh #3947: Migration support added (klimov-paul)
 - Enh #4086: changedAttributes of afterSave Event now contain old values (dizews)
+- Enh #4335: `yii\mongodb\log\MongoDbTarget` log target added (klimov-paul)
 
 
 2.0.0-beta April 13, 2014

extensions/mongodb/log/MongoDbTarget.php

+<?php
+/**
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+namespace yii\mongodb\log;
+
+use yii\base\InvalidConfigException;
+use yii\di\Instance;
+use yii\helpers\VarDumper;
+use yii\log\Target;
+use yii\mongodb\Connection;
+
+/**
+ * MongoDbTarget stores log messages in a MongoDB collection.
+ *
+ * By default, MongoDbTarget stores the log messages in a MongoDB collection named 'log'.
+ * The collection can be changed by setting the [[logCollection]] property.
+ *
+ * @author Paul Klimov <klimov.paul@gmail.com>
+ * @since 2.0
+ */
+class MongoDbTarget extends Target
+{
+    /**
+     * @var Connection|string the MongoDB connection object or the application component ID of the MongoDB connection.
+     * After the MongoDbTarget object is created, if you want to change this property, you should only assign it
+     * with a MongoDB connection object.
+     */
+    public $db = 'mongodb';
+    /**
+     * @var string|array the name of the MongoDB collection that stores the session data.
+     * Please refer to [[Connection::getCollection()]] on how to specify this parameter.
+     * This collection is better to be pre-created with fields 'id' and 'expire' indexed.
+     */
+    public $logCollection = 'log';
+
+    /**
+     * Initializes the MongoDbTarget component.
+     * This method will initialize the [[db]] property to make sure it refers to a valid MongoDB connection.
+     * @throws InvalidConfigException if [[db]] is invalid.
+     */
+    public function init()
+    {
+        parent::init();
+        $this->db = Instance::ensure($this->db, Connection::className());
+    }
+
+    /**
+     * Stores log messages to MongoDB collection.
+     */
+    public function export()
+    {
+        $collection = $this->db->getCollection($this->logCollection);
+        foreach ($this->messages as $message) {
+            list($text, $level, $category, $timestamp) = $message;
+            if (!is_string($text)) {
+                $text = VarDumper::export($text);
+            }
+            $collection->insert([
+                'level' => $level,
+                'category' => $category,
+                'log_time' => $timestamp,
+                'prefix' => $this->getMessagePrefix($message),
+                'message' => $text,
+            ]);
+        }
+    }
+}
\ No newline at end of file

framework/log/DbTarget.php

@@ -11,6 +11,7 @@ use Yii;
 use yii\db\Connection;
 use yii\base\InvalidConfigException;
 use yii\di\Instance;
+use yii\helpers\VarDumper;
 
 /**
  * DbTarget stores log messages in a database table.
@@ -80,7 +81,7 @@ class DbTarget extends Target
         foreach ($this->messages as $message) {
             list($text, $level, $category, $timestamp) = $message;
             if (!is_string($text)) {
-                $text = var_export($text, true);
+                $text = VarDumper::export($text);
             }
             $command->bindValues([
                 ':level' => $level,