<?php
/**
 * Remote Data Script.
 * @copyright  MasterJrock.com
 * @copyright  Copyright (c) MASTERJROCK. (http://www.masterjrock.com)
 * @license    GPL
 */
	error_reporting(E_ALL);
	$categoryId 	= intval(@$_GET['cat']); //
	$limit 			= ( isset($_POST['limit']) )?  intval(@$_POST['limit']) : intval(@$_GET['limit']) ;
	$start 			= ( isset($_POST['start']) )?  intval(@$_POST['start']) : intval(@$_GET['start']) ;

	$direction 		= ( isset($_POST['dir']) )?  @$_POST['dir'] : @$_GET['dir'] ;
	$sort 			= ( isset($_POST['sort']) )?  @$_POST['sort'] : @$_GET['sort'] ;

	// Load Magento
	require_once $_SERVER['DOCUMENT_ROOT'] . "/app/Mage.php";
	umask(0);
	Mage::app();

	$_coreHelper = Mage::helper('core');

	global $attribute_code, $index, $categoryId;

	//Funcitons
	if (!function_exists('_getProducts')) {
		function _getProducts($categoryId = 7, $sort = NULL, $direction = NULL ) {
			$visibility = 	array (	Mage_Catalog_Model_Product_Visibility::VISIBILITY_BOTH, Mage_Catalog_Model_Product_Visibility::VISIBILITY_IN_CATALOG );
			$prodIds = array();
			$collection = Mage::getModel('catalog/category')->load($categoryId)->getProductCollection();
			$collection->addAttributeToSelect(array(
			// your selections; * not recommend as you don't need all of it, just select the attributes you need
			));
			if ($sort != NULL) {
				$collection->setOrder($sort, $direction);
			} else
				$collection->setOrder('sku', 'asc');
			$collection->load();
			foreach ($collection as $prods) {
				$prodIds[] = $prods->entity_id;
			}
			return $prodIds;
		}
	}
	
	if (!function_exists('_getAttribute')) {
		function _getAttribute($attribute) {
			$product = Mage::getModel('catalog/product');
			$attributes = Mage::getResourceModel('eav/entity_attribute_collection')
				->setEntityTypeFilter($product->getResource()->getTypeId())
				->addFieldToFilter('attribute_code', $attribute);
			$_attributes = $attributes->getFirstItem()->setEntity($product->getResource());
			return $_attributes->getSource()->getAllOptions(false);
		}
	}

	if (!function_exists('_getProductAttribute')) {
		function _getProductAttribute($product , $attribute_code) {
			$value = $product->getResource()->getAttribute($attribute_code)->getFrontend()->getValue($product);
			if ( $value == 'No')
				$value = '';
			return $value;
		}
	}	

	
	if (!function_exists('_getAttributeList')) {
		function _getAttributeList($attribute) {
			$array_list = array();
			foreach ( _getAttribute($attribute) as $item ) {
				$array_list[] = "/".$item['label']."/i";
			}
			return $array_list;
		}
	}
	
	if (!function_exists('_extSanitize')) {
		function _extSanitize($striing) {
			return str_replace("'",'',$striing);
		}
	}	

	

	$items = array();
	$rawData = array();

	$ctr = 1;
	foreach( array_slice(_getProducts($categoryId, $sort, $direction),$start,$limit) as $productId) { 	
		$product = Mage::getModel('catalog/product');
		$product->load($productId);
		
		$productTitle 		= _extSanitize($product->getName());

		//sample attributes fileds for the example
		$rawData['id']							=  $ctr;
		$rawData['sku']							=  $product->getSku();
		$rawData['name']						=  $product->getName();
		$rawData['url_path']					=  $product->getProductUrl();
		$rawData['jewelry_style'] 				= _extSanitize(_getProductAttribute($product , 'jewelry_style'));
		$rawData['jewelry_carat_total_weight'] 	= floatval(_getProductAttribute($product , 'jewelry_carat_total_weight'));
		$rawData['jewelry_main_stone']	 		= _getProductAttribute($product , 'jewelry_main_stone');
		$rawData['jewelry_metal_purity'] 		= _getProductAttribute($product , 'jewelry_metal_purity');
		$rawData['jewelry_metal']			 	= _getProductAttribute($product , 'jewelry_metal');
		$rawData['jewelry_diamond_color'] 		= _getProductAttribute($product , 'jewelry_diamond_color');
		$rawData['jewelry_diamond_clarity'] 	= _getProductAttribute($product , 'jewelry_diamond_clarity');
		$rawData['jewelry_gemstone_color'] 		= _getProductAttribute($product , 'jewelry_gemstone_color');
		$rawData['jewelry_gemstone_clarity'] 	= _getProductAttribute($product , 'jewelry_gemstone_clarity');
		$rawData['special_price'] 				= floatval($product->getSpecialPrice());
		$rawData['image']						= $product->getImage();
		$rawData['addtocart'] 					= Mage::getUrl('checkout/cart/add', array('product'=>$productId));
		$rawData['short_description'] 			= $product->getShortDescription();
		$items[] = $rawData;
		$ctr++;
	}
	
	//start output, check if callback is defined
	if ( isset($_REQUEST['callback']) ) {
		$callback = $_REQUEST['callback'];
		echo $callback . '(' . json_encode(array('totalcount' => count(_getProducts($categoryId)), 'items' => $items) ) . ');';
	} else {
		echo json_encode(array('totalcount' => count(_getProducts($categoryId)), 'items' => $items) );
	}	
?>