/application/classes/Dlog.php

<?php
    /**
     * Database logger
     * 
     * @package     zeptocms
     * @version     2012/11/13
	 * @author		Chris Piechowicz <info@zeptocms.com>
     */
	class Dlog
	{
		const TABLE = "logs";
		
		// log levels
        const SUCCESS = 1;
        const NOTICE  = 2;
        const WARNING = 3;
        const ERROR   = 4;		
		
		// database instance
		protected static $db = FALSE;
		
		// current app area
		protected static $area = "site"; 
		
		/**
		 * Add log item
		 * 
		 * @param	string	$type			log type (success, error, etc.)
		 * @param	string	$title			message title
		 * @param	string	$description	message description
		 * @param	string	$debug			additional information for developer
		 */
		public static function add($type, $title, $description = NULL, $debug = NULL)
		{
			// check if logging enabled
            if (!Config::sys("log/enable") || $type > Config::sys("log/level")) 
                return FALSE;  			
			
			if (!self::$db)
				self::$db = new Model_Db;
			
			$row = array(
			
				"adddate"		=> Date::now(),
				"type"			=> $type,
				"area"			=> Dlog::area(),
				"title"			=> $title,
				"description"	=> $description,
				"debug"			=> $debug
			
			);
						
			self::$db->addRow(self::TABLE, $row);
		}
		
		/**
		 * Get current area
		 * 
		 * @return	string
		 */
		public static function area()
		{
			return self::$area;
		}
		 
		 /**
		  * Set current area
		  * 
		  * @param	string	$area
		  */
		 public static function setCurrentArea($area)
		 {
		 	self::$area = $area;
		 }
		 
		 /**
		  * Get log level name
		  * 
		  * @param	int		$level	level name
		  * @return	string
		  */
		 public static function getLevelName($level)
		 {
		 	switch ($level)
			{
				case 1:
						return "success";
						break;
				case 2:
						return "notice";
						break;
				case 3:
						return "warning";
						break;
				case 4:
						return "error";
						break;																		
			}
		 }
		 
		 public static function getLevelIcon($level)
		 {
		 	switch ($level)
			{
				case 1:
						return HTML::image("res/img/admin/log/success.png", array("alt" => "success"));
						break;
				case 2:
						return HTML::image("res/img/admin/log/notice.png", array("alt" => "notice"));
						break;
				case 3:
						return HTML::image("res/img/admin/log/warning.png", array("alt" => "warning"));
						break;
				case 4:
						return HTML::image("res/img/admin/log/error.png", array("alt" => "error"));
						break;																		
			}		 	
		 }
	}
?>