Product.php (Before)		Product.php (After)
	<?php		<?php
	namespace App\Model\Shopify;		namespace App\Model\Shopify;
	use Illuminate\Database\Eloquent\Model;		use Illuminate\Database\Eloquent\Model;
	/**		/**
	* Class Product		* Class Product
	* @package model\shopify		* @package model\shopify
	*/		*/
	class Product extends Model{		class Product extends Model{
	private  $shopifyObj ;		private  $shopifyObj ;
	public $shop_domain;		public $shop_domain;
.	private $shopify_api_version;
	private $token;		private $token;
	private $api_key;		private $api_key;
	private $secret;		private $secret;
	private $last_response_headers = null;		private $last_response_headers = null;
	protected $global;		protected $global;
	protected $apiCount;		protected $apiCount;
	function __construct(){		function __construct(){
	$this->api_key  = env('SHOPIFY_API_KEY', true);		$this->api_key  = env('SHOPIFY_API_KEY', true);
	$this->token    = env('SHOPIFY_PASSWORD', true);		$this->token    = env('SHOPIFY_PASSWORD', true);
	$this->secret = env('SHOPIFY_SECRET', true);		$this->secret = env('SHOPIFY_SECRET', true);
	$this->shop_domain   = env('SHOPIFY_DOMAIN', true);		$this->shop_domain   = env('SHOPIFY_DOMAIN', true);
.	$this->shopify_api_version = env('SHOPIFY_API_VERSION', true);
	}		}
	function setModel(){		function setModel(){
	$this->shopifyObj = new shopify();		$this->shopifyObj = new shopify();
	}		}
	/**		/**
	* Getting shopify products based on productID and variantID		* Getting shopify products based on productID and variantID
	*/		*/
	function getShopifyProductByID($productID, $variantID){		function getShopifyProductByID($productID, $variantID){
	$method = 'GET';		$method = 'GET';
.	$path   = '/admin/api/'.$this->shopify_api_version.'/products/'.$productID.'/variants/'.$variantID.'.json';		$path   = '/admin/products/'.$productID.'/variants/'.$variantID.'.json';
	$products = $this->call($method, $path);		$products = $this->call($method, $path);
	if($products){		if($products){
	return  $products;		return  $products;
	}		}
	return null;		return null;
	}		}
	/**		/**
	* Getting Shopify shipping zone		* Getting Shopify shipping zone
	*/		*/
	function getShopifyShippingZone() {		function getShopifyShippingZone() {
	$method = 'GET';		$method = 'GET';
.	$path   = '/admin/api/'.$this->shopify_api_version.'/shipping_zones.json';		$path   = '/admin/shipping_zones.json';
	//$path   = '/admin/api/'.$this->shopify_api_version.'/shipping_zones.json';		//$path   = '/admin/api/'.$this->shopify_api_version.'/shipping_zones.json';
	$shipping_zones = $this->call($method, $path);		$shipping_zones = $this->call($method, $path);
	if($shipping_zones){		if($shipping_zones){
	return  $shipping_zones;		return  $shipping_zones;
	}		}
	return null;		return null;
	}		}
	function call($method, $path, $params=array())		function call($method, $path, $params=array())
	{		{
	/****************api limit control**********************************/		/****************api limit control**********************************/
	$duration = 1;		$duration = 1;
	$apiLimit = 2;		$apiLimit = 2;
	if($this->global['apiRequestTime'] == 0)		if($this->global['apiRequestTime'] == 0)
	{		{
	$this->global['apiRequestTime'] = strtotime("now");		$this->global['apiRequestTime'] = strtotime("now");
	}		}
	else{		else{
	$timeDifference = strtotime("now")- $this->global['apiRequestTime'];		$timeDifference = strtotime("now")- $this->global['apiRequestTime'];
	if ($timeDifference< $duration)  {		if ($timeDifference< $duration)  {
	if ( $this->apiCount >= $apiLimit ) {		if ( $this->apiCount >= $apiLimit ) {
	$sleepTime = (int)ceil($duration-$timeDifference);		$sleepTime = (int)ceil($duration-$timeDifference);
	sleep($sleepTime);  // this step will wait for next api request.		sleep($sleepTime);  // this step will wait for next api request.
	$this->global['apiRequestTime'] = strtotime("now");		$this->global['apiRequestTime'] = strtotime("now");
	$this->apiCount = 0;       // next cycle starts		$this->apiCount = 0;       // next cycle starts
	}		}
	}else {		}else {
	$this->global['apiRequestTime'] = strtotime("now");		$this->global['apiRequestTime'] = strtotime("now");
	$this->apiCount = 0;		$this->apiCount = 0;
	}		}
	}		}
	$this->apiCount++;		$this->apiCount++;
	/**************************************************/		/**************************************************/
	$baseurl = "https://{$this->shop_domain}/";		$baseurl = "https://{$this->shop_domain}/";
	$url = $baseurl.ltrim($path, '/');		$url = $baseurl.ltrim($path, '/');
	$query = in_array($method, array('GET','DELETE')) ? $params : array();		$query = in_array($method, array('GET','DELETE')) ? $params : array();
	$payload = in_array($method, array('POST','PUT')) ? json_encode($params) : array();		$payload = in_array($method, array('POST','PUT')) ? json_encode($params) : array();
	$request_headers = in_array($method, array('POST','PUT')) ? array("Content-Type: application/json; charset=utf-8", 'Expect:') : array();		$request_headers = in_array($method, array('POST','PUT')) ? array("Content-Type: application/json; charset=utf-8", 'Expect:') : array();
	// add auth headers		// add auth headers
	$request_headers[] = 'X-Shopify-Access-Token: ' . $this->token;		$request_headers[] = 'X-Shopify-Access-Token: ' . $this->token;
	$response = $this->curlHttpApiRequest($method, $url, $query, $payload, $request_headers);		$response = $this->curlHttpApiRequest($method, $url, $query, $payload, $request_headers);
	$response = json_decode($response, true);		$response = json_decode($response, true);
	return $response;		return $response;
	}		}
	function curlHttpApiRequest($method, $url, $query='', $payload='', $request_headers=array())		function curlHttpApiRequest($method, $url, $query='', $payload='', $request_headers=array())
	{		{
	$curl = curl_init();		$curl = curl_init();
	curl_setopt($curl, CURLOPT_URL, $url);		curl_setopt($curl, CURLOPT_URL, $url);
	curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);		curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($curl, CURLOPT_ENCODING, '');		curl_setopt($curl, CURLOPT_ENCODING, '');
	curl_setopt($curl, CURLOPT_MAXREDIRS, 10);		curl_setopt($curl, CURLOPT_MAXREDIRS, 10);
	curl_setopt($curl, CURLOPT_TIMEOUT, 30);		curl_setopt($curl, CURLOPT_TIMEOUT, 30);
	curl_setopt($curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);		curl_setopt($curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
	curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $method);		curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $method);
	if ($method !== 'GET') {		if ($method !== 'GET') {
	curl_setopt($curl, CURLOPT_POSTFIELDS, $payload);		curl_setopt($curl, CURLOPT_POSTFIELDS, $payload);
	}		}
	curl_setopt($curl, CURLOPT_HTTPHEADER, $request_headers);		curl_setopt($curl, CURLOPT_HTTPHEADER, $request_headers);
	$response = curl_exec($curl);		$response = curl_exec($curl);
	return $response;		return $response;
	}		}
	}		}