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  • Overriding default behaviors

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Code Block
<?php
class MySQL extends MySQLCore
{
	public function __construct($server, $user, $password, $database, $newlink = false)
	{
		$this->_server = $server;
		$this->_user = $user;
		$this->_password = $password;
		$this->_type = _DB_TYPE_;
		$this->_database = $database;

		$this->connect($newlink);
	}
	
	public function connect($newlink = false)
	{
		if (!defined('_PS_DEBUG_SQL_'))
			define('_PS_DEBUG_SQL_', false);

		if ( $this->_link = mysql_connect($this->_server, $this->_user, $this->_password, $newlink) )
		{
			if (!$this->set_db($this->_database))
				die(Tools::displayError('The database selection cannot be made.'));
		}
		else
			die(Tools::displayError('Link to database cannot be established.'));

		/* UTF-8 support */
		if (!mysql_query('SET NAMES \'utf8\'', $this->_link))
			die(Tools::displayError('PrestaShop Fatal error: no utf-8 support. Please check your server configuration.'));
		// removed SET GLOBAL SQL_MODE: we can't do that (see PSCFI-1548)
		return $this->_link;
	}
}
?>

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Code Block
/*
 * This override allows you to use ajax-tab.php to make any admin action.
 * Use it for crontask for example
*/
class AdminTab extends AdminTabCore {
		public function ajaxProcess()
		{
			return $this->postProcess();
		}
}

Example 3

Code Block
/*
 * Create a cron task to make periodical database backup
 * (please test before use, I have not tested it yet in a real-world situation!)
*/
class AdminTab extends AdminTabCore{
	public function ajaxProcess()
	{			 
			// Here we call the same thing as if we did the old way
			// + with "if": maybe we want to limit its use to only adding backup
			// note: find yourself a way to get the file link if you want to send it by mail!
			if (isset($_REQUEST['addbackup']))
				return $this->postProcess();
	} 

	public function displayAjax()
	{
		if (sizeof($this->_errors) > 0)
		{
				// handle errors 
				// for example, send mail with all error msg
				$content = '';
				foreach($this->_errors as $errorMsg)
					 $content .= $errorMsg;
				
					 $lang = Configuration::get('PS_LANG_DEFAULT');
					 // here we send a mail to give the result of the process
					 // notice: you have to create template mails files
					 Mail::Send($lang, 'backuptaskdone', '[autobackup] report backup error', array('backup_link'=>)), $to); 
		}
		else
		{
				// no error, but maybe we want a mail ?
				if(Configuration::get('PS_NOTICE_SUCCEED_BACKUP')) 
				{
					// fileAttachment available, see 9th param of Send() method in classes/Mail.php
					// + we can add a condition "if (Configuration::get('PS_AUTOBACKUP_SEND_FILE'))"
					 Mail::Send($lang, 'backuptaskerror', '[autobackup] report backup error', array('vars to use in tpl'), $to); 
				}
		}
	return true;
	}
}

Example 4

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