<?php
/**
 * aheadWorks Co.
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the EULA
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://ecommerce.aheadworks.com/AW-LICENSE-COMMUNITY.txt
 * 
 * =================================================================
 *                 MAGENTO EDITION USAGE NOTICE
 * =================================================================
 * This package designed for Magento COMMUNITY edition
 * aheadWorks does not guarantee correct work of this extension
 * on any other Magento edition except Magento COMMUNITY edition.
 * aheadWorks does not provide extension support in case of
 * incorrect edition usage.
 * =================================================================
 *
 * @category   AW
 * @package    AW_Blog
 * @copyright  Copyright (c) 2009-2010 aheadWorks Co. (http://www.aheadworks.com)
 * @license    http://ecommerce.aheadworks.com/AW-LICENSE-COMMUNITY.txt
 */
class AW_Blog_Model_Mysql4_Cat extends Mage_Core_Model_Mysql4_Abstract
{
	public function _construct()
    {    
        $this->_init('blog/cat', 'cat_id');
    }
	
	public function load(Mage_Core_Model_Abstract $object, $value, $field=null)
    {
        if (strcmp($value, (int)$value) !== 0) {
            $field = 'identifier';
        }
        return parent::load($object, $value, $field);
    }
	
	protected function _beforeSave(Mage_Core_Model_Abstract $object)
    {
        if (!$this->getIsUniqueIdentifier($object)) {
            Mage::throwException(Mage::helper('blog')->__('Post Identifier already exist.'));
        }

        if ($this->isNumericIdentifier($object)) {
            Mage::throwException(Mage::helper('blog')->__('Post Identifier cannot consist only of numbers.'));
        }

        return $this;
    }
	
	public function getIsUniqueIdentifier(Mage_Core_Model_Abstract $object)
    {
        $select = $this->_getWriteAdapter()->select()
                ->from($this->getMainTable())
                ->where($this->getMainTable().'.identifier = ?', $object->getData('identifier'));
        if ($object->getId()) {
            $select->where($this->getMainTable().'.cat_id <> ?',$object->getId());
        }

        if ($this->_getWriteAdapter()->fetchRow($select)) {
            return false;
        }

        return true;
    }
	
	protected function isNumericIdentifier (Mage_Core_Model_Abstract $object)
    {
        return preg_match('/^[0-9]+$/', $object->getData('identifier'));
    }
    	
	protected function _afterSave(Mage_Core_Model_Abstract $object)
    {
        $condition = $this->_getWriteAdapter()->quoteInto('cat_id = ?', $object->getId());
        $this->_getWriteAdapter()->delete($this->getTable('cat_store'), $condition);
		
		if (!$object->getData('stores'))
		{
			$storeArray = array();
            $storeArray['cat_id'] = $object->getId();
            $storeArray['store_id'] = Mage::app()->getStore(true)->getId();
            $this->_getWriteAdapter()->insert($this->getTable('cat_store'), $storeArray);
		}
		else
		{
			foreach ((array)$object->getData('stores') as $store) {
				$storeArray = array();
				$storeArray['cat_id'] = $object->getId();
				$storeArray['store_id'] = $store;
				$this->_getWriteAdapter()->insert($this->getTable('cat_store'), $storeArray);
			}
		}
        return parent::_afterSave($object);
    }
	
	
	protected function _afterLoad(Mage_Core_Model_Abstract $object)
    {
        $select = $this->_getReadAdapter()->select()
            ->from($this->getTable('cat_store'))
            ->where('cat_id = ?', $object->getId());

        if ($data = $this->_getReadAdapter()->fetchAll($select)) {
            $storesArray = array();
            foreach ($data as $row) {
                $storesArray[] = $row['store_id'];
            }
            $object->setData('store_id', $storesArray);
        }

        return parent::_afterLoad($object);
    }
	
	protected function _getLoadSelect($field, $value, $object)
    {
        $select = parent::_getLoadSelect($field, $value, $object);

        if ($object->getStoreId()) {
            $select->join(array('cps' => $this->getTable('cat_store')), $this->getMainTable().'.cat_id = `cps`.cat_id')
                    ->where('`cps`.store_id in (0, ?) ', $object->getStoreId())
                    ->order('store_id DESC')
                    ->limit(1);
        }
        return $select;
    }
}
