<?php

/**
 * meets-ecommerce Online Agentur GmbH
 *
 *
 * DISCLAIMER
 *
 * Do not edit or move this file if you want that
 * this extension works in a proper way.
 *
 * @category   MeetsEcommerce
 * @package    MeetsEcommerce_Frame
 * @copyright  Copyright (c) 2012 meets-ecommerce Online Agentur GmbH (http://meets-ecommerce.de)
 * @license    http://meets-ecommerce.de/information/license
 */

class MeetsEcommerce_Frame_Helper_Storage extends MeetsEcommerce_Frame_Helper_Data
{
	
	/**
	 * Sets a storage
	 * 
	 * @param string $path
	 * @param mixed $value
	 * @param string|int $scope
	 * @param boolean $unique
	 */
	public function set($path, $value, $scope="",$unique=false){
		$model = Mage::getModel('meecomframe/storage');
		if($unique){
			$collection = $model->getCollection();
			$collection->addFieldToFilter('path', $path);
			$collection->addFieldToFilter('scope', $scope);
			if($collection->count() > 0){
				$model->load($collection->getFirstItem()->getId());
			}
		}
		$model->setData('path', $path);
		$model->setData('value', $value);
		$model->setData('scope', $scope);
		$model->save();
	}
	
	/**
	 * Deletes an item or items depends on the given unique flag
	 * 
	 * @param string $path
	 * @param string|int $scope
	 */
	public function remove($path, $scope="", $unique=false){
		$model = Mage::getModel('meecomframe/storage');
		$collection = $model->getCollection();
		$collection->addFieldToFilter('path', $path);
		if(strlen($scope) > 0) $collection->addFieldToFilter('scope', $scope);
		if($collection->count() > 0){
			if($unique){
				$item = $collection->getFirstItem()->getData('value');
				$item->delete();
			}else{
				foreach($collection as $item){
					$item->delete();
				}
			}
			
		}
	}
	
	/**
	 * Retrieves a storage
	 * 
	 * @param string $path
	 * @param string|int $scope
	 * @param boolean $unique
	 * @return MeetsEcommerce_Frame_Model_Mysql4_Storage_Collection|string
	 */
	public function get($path, $scope="", $unique=false){
		$model = Mage::getModel('meecomframe/storage');
		$collection = $model->getCollection();
		$collection->addFieldToFilter('path', $path);
		if(strlen($scope) > 0) $collection->addFieldToFilter('scope', $scope);
		if($unique){
			if($collection->count() > 0){
				return $collection->getFirstItem()->getData('value');
			}else{
				return '';
			}
		}
		return $collection;
	}
}