Add products to a promotion

Overview

Use the addPromotionProducts API call via JSON-RPC API 4.0 to add products to an existing promotion.

Parameters

Parameter		Type/Description
sessionID		Required (string)
		Output of the Login method.
promotionCode		Required (string)
		The code corresponding to the promotion that you want to add products to.
promotionProducts		Required (object)
	Code	Required (string)
		System generated product code.
	pricingConfigurationCode	Optional (string)
		System generated pricing configuration code.
	pricingOptionCodes	Optional (array of strings)
		Pricing option codes that you control.

Response

Parameter	Type/Description
promotionProducts	Object

Request

<?php 

class Client
{
    protected static $merchantCode;
    protected static $loginDate;
    protected static $hash;
    protected static $baseUrl;
    protected static $callCount = 0;
    protected static $sessionId = '';

    protected static $client;

    public static function setCredentials($code, $key)
    {
        static::$merchantCode = $code;
        static::$loginDate = gmdate('Y-m-d H:i:s');
        static::$hash = hash_hmac('md5', strlen($code) . $code . strlen(static::$loginDate) . static::$loginDate, $key);
        static::$sessionId = static::login();
    }

    public static function setBaseUrl($url)
    {
        static::$baseUrl = $url;
    }

    public static function login()
    {
        $client = static::getClient();
        return $client->login(static::$merchantCode, static::$loginDate, static::$hash);
    }

    public static function __callStatic($name, $arguments = array())
    {
        $client = static::getClient();

        array_unshift($arguments, static::$sessionId);
        $response = call_user_func_array(array($client, $name), $arguments);

        return $response;
    }

    protected static function getClient()
    {
        $opts = array(
            'http'=> ['user_agent' => 'PHPSoapClient'],
            'ssl' => [
                'verify_peer' => false,
                'verify_peer_name' => false,
            ],
        );

        if (null === static::$client) {
            static::$client = new \SoapClient(static::$baseUrl . '?wsdl', [
                'location' => static::$baseUrl,
                'cache_wsdl' => WSDL_CACHE_NONE,
                'stream_context' => stream_context_create($opts),
            ]);
        }

        return static::$client;
    }
}

Client::setBaseUrl('https://api.avangate.com/soap/3.1/');
Client::setCredentials('YOUR_MERCHANT_CODE', 'YOUR_SECRET_KEY');
Client::login();

// Define first product to add to promotion
$products1 = new stdClass;
$products1->Code = 'YOUR_PRODUCT_CODE';
$products1->PricingConfigurationCode = 'YOUR_PRICING_CONFIGURATION_CODE';
$products1->PricingOptionCodes = ['code1','code2','code3'];

// Define second product to add to promotion
$products2 = new stdClass;
$products2->Code = 'YOUR_PRODUCT_CODE2';
$products2->PricingConfigurationCode = 'YOUR_PRICING_CONFIGURATION_CODE2';

$promotionProducts = [$products1, products2]; // Array of product objects to be added to the promotion

// Retrieve promotion details
$promotionCode = 'YOUR_PROMOTION_CODE'; // code of the promotion that you want to add products to
$response = Client::addPromotionProducts($promotionCode,$promotionProducts);
var_dump($response);