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Create percentage discount

Overview

Use setPromotionDiscount to set a percentage based promotion discount.

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 set the discount for.

promotionDiscount

Required(Object)

 

Type

Required (String)

 

 

Discount type:

  • PERCENT, use in combination with Value
  • FIXED, use in combination with Values and DefaultCurrency

 

Value / Values

Required (Int / Array of objects)

 

 

  • Value = Int, determines the discount percentage from 0 to 100
  • Values = Array of Value objects

 

 

Value

Required (Object)

 

 

 

Currency

Required (String)

 

 

 

 

Discount currency ISO code (ISO 4217).

 

 

 

Amount

Required (Int)

 

 

 

 

Discount amount in corresponding currency.

 

DefaultCurrency

Required (String)

 

 

Default discount currency ISO code (ISO 4217).

Response

Parameter Type/Description
PromotionDiscount Object

Request

<?php
declare(strict_types=1);

class Configuration
{
    public const MERCHANT_CODE = '';
    public const MERCHANT_KEY = '';
    public const URL = 'http://api.2checkout.com/soap/6.0';
    public const ACTION = 'setPromotionDiscount';
    public const PROMOTION_CODE = "AB3WMME0UA";
    //array or JSON
    public const PAYLOAD = <<<JSON
{
  "Type": "PERCENT",
  "Value": 30
}
JSON;
}

class Client
{
    private const LOGIN_METHOD = 'login';
    private $calls = 1;
    private $sessionId;


    private function generateAuth(): array
    {
        $merchantCode = Configuration::MERCHANT_CODE;
        $key = Configuration::MERCHANT_KEY;
        $date = gmdate('Y-m-d H:i:s');
        $string = strlen($merchantCode) . $merchantCode . strlen($date) . $date;
        $hash = hash_hmac('md5', $string, $key);

        return compact('merchantCode', 'date', 'hash');
    }


    public function login(string $url)
    {
        $payload = $this->generateAuth();
        $response = $this->call($url, array_values($payload), self::LOGIN_METHOD);
        $this->sessionId = $response['result'];
    }


    public function call(
        string $url = Configuration::URL,
        $payload = Configuration::PAYLOAD,
        string $action = Configuration::ACTION,
        string $promotionCode = Configuration::PROMOTION_CODE
    ): ?array {
        if (empty($this->sessionId) && $action !== self::LOGIN_METHOD) {
            $this->login($url);
        }
        if(is_string($payload)) {
            $payload = json_decode($payload, true);
        }
        if (!empty($this->sessionId)) {
            $payload = [$this->sessionId, $promotionCode, $payload];
        }
        $payload = array_filter($payload);

        $request = json_encode([
            'jsonrpc' => '2.0',
            'method' => $action,
            'params' => $payload,
            'id' => $this->calls++,
        ]);
        $curl = curl_init($url);
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($curl, CURLOPT_SSLVERSION, 0);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($curl, CURLOPT_HTTPHEADER, array('Content-Type: application/json', 'Accept: application/json', 'Cookie: XDEBUG_SESSION=PHPSTORM'));
        curl_setopt($curl, CURLOPT_POSTFIELDS, $request);
        $response = curl_exec($curl);
        if(empty($response)) {
            die('Server unavailable');
        }
        echo $response . '</br>';
        return json_decode($response, true);;
    }
}
$client = new Client();
$result = $client->call();
var_dump($result);

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