<?php

/**
  * Message class, Message.php
  * Messages management
  * @category classes
  *
  * @author PrestaShop <support@prestashop.com>
  * @copyright PrestaShop
  * @license http://www.opensource.org/licenses/osl-3.0.php Open-source licence 3.0
  * @version 1.2
  *
  */
  
class		Message extends ObjectModel
{
	public 		$id;
	
	/** @var string message content */
	public 		$message;
	
	/** @var integer Cart ID (if applicable) */
	public		$id_cart;
	
	/** @var integer Order ID (if applicable) */
	public		$id_order;
	
	/** @var integer Customer ID (if applicable) */
	public		$id_customer;
	
	/** @var integer Employee ID (if applicable) */
	public		$id_employee;
	
	/** @var boolean Message is not displayed to the customer */
	public		$private;
	
	/** @var string Object creation date */
	public 		$date_add;
	
	protected	$fieldsRequired = array('message');
	protected	$fieldsSize = array('message' => 1600);
	protected	$fieldsValidate = array(
		'message' => 'isCleanHtml', 'id_cart' => 'isUnsignedId', 'id_order' => 'isUnsignedId',
		'id_customer' => 'isUnsignedId', 'id_employee' => 'isUnsignedId', 'private' => 'isBool');

	protected 	$table = 'message';
	protected 	$identifier = 'id_message';

	public function getFields()
	{
		parent::validateFields();

		$fields['message'] = pSQL($this->message, true);
		$fields['id_cart'] = intval($this->id_cart);
		$fields['id_order'] = intval($this->id_order);
		$fields['id_customer'] = intval($this->id_customer);
		$fields['id_employee'] = intval($this->id_employee);
		$fields['private'] = intval($this->private);
		$fields['date_add'] = pSQL($this->date_add);

		return $fields;
	}

	/**
	  * Return name from Cart ID
	  *
	  * @param integer $id_cart Cart ID
	  * @return array Messages
	  */
	static public function getMessageByCartId($id_cart)
	{
		$db = Db::getInstance();
		$result = $db->getRow('
		SELECT *
		FROM `'._DB_PREFIX_.'message`
		WHERE `id_cart` = '.intval($id_cart));
		
		return $result;
	}
	
	/**
	  * Return name from Order ID
	  *
	  * @param integer $id_order Order ID
	  * @param boolean $private return WITH private messages
	  * @return array Messages
	  */
	static public function getMessagesByOrderId($id_order, $private = false)
	{
	 	if (!Validate::isBool($private))
	 		die(Tools::displayError());

		global $cookie;
		$result = Db::getInstance()->ExecuteS('
			SELECT m.*, c.`firstname` AS cfirstname, c.`lastname` AS clastname, e.`firstname` AS efirstname, e.`lastname` AS elastname, (COUNT(mr.id_message) = 0 AND m.id_customer != 0) AS is_new_for_me
			FROM `'._DB_PREFIX_.'message` m
			LEFT JOIN `'._DB_PREFIX_.'customer` c ON m.`id_customer` = c.`id_customer`
			LEFT JOIN `'._DB_PREFIX_.'message_readed` mr ON (mr.id_message = m.id_message AND mr.id_employee = '.intval($cookie->id_employee).')
			LEFT OUTER JOIN `'._DB_PREFIX_.'employee` e ON e.`id_employee` = m.`id_employee`
			WHERE id_order = '.intval($id_order).'
			'.(!$private ? ' AND m.`private` = 0' : '').'
			GROUP BY m.id_message
			ORDER BY m.date_add DESC
		');
		return $result;
	}
	
	/**
	  * Registered a message 'readed'
	  *
	  * @param integer $id_message Message ID
	  * @param integer $id_emplyee Employee ID
	  */
	static public function markAsReaded($id_message, $id_employee)
	{
	 	if (!Validate::isUnsignedId($id_message) OR !Validate::isUnsignedId($id_employee))
	 		die(Tools::displayError());

		$result = Db::getInstance()->Execute('
		INSERT INTO '._DB_PREFIX_.'message_readed (id_message , id_employee , date_add) VALUES
		('.intval($id_message).', '.intval($id_employee).', NOW());
		');
		return $result;
	}
}

?>
