msMultiCurrency

<div class="cartPage" id="msCart">
    <div class="cartPageTitle">
    	<h2>
    		Корзина
    	</h2>
    	<form class="clearCart" method="post">
    	    <button class="clearCart" type="submit" name="ms2_action" value="cart/clean">
    		    Очистить корзину
    		</button>
    	</form>
    </div>
    {if !count($products)}
        {'ms2_cart_is_empty' | lexicon}
    {else}
    <div class="cartPageTable">
        <div class="cartPageTableTitle">
			<p class="columnImage cartPageTableTitleEl">
				Товар
			</p>
			<p class="columnDescription cartPageTableTitleEl">
				Описание
			</p>
			<p class="columnPrice cartPageTableTitleEl">
				Цена
			</p>
			<p class="columnCount cartPageTableTitleEl">
				Количество
			</p>
			<p class="columnClose cartPageTableTitleEl"></p>
    	</div>
    	<div class="cartPageTableContent">
    	    {foreach $products as $product}
    	    <div class="cartPageTableContentEl" id="{$product.key}">
    	        <div class="goodsImageColumnWrapper">
					<div class="goodsImageColumn">
						{if $product.thumb?}
                                <img src="{$product.thumb}" alt="{$product.pagetitle}" title="{$product.pagetitle}"/>
                            {else}
                                <img src="{'assets_url' | option}components/minishop2/img/web/ms2_small.png"
                                     srcset="{'assets_url' | option}components/minishop2/img/web/ms2_small@2x.png 2x"
                                     alt="{$product.pagetitle}" title="{$product.pagetitle}"/>
                            {/if}
					</div>
				</div>
				<div class="goodsDescriptionColumnWrapper">
					<div class="goodsDescriptionColumn">
						<p>
							<strong>Артикул:  </strong>
							{$product.article}
						</p>
						<p class="goodsDescriptionColumnBrief">
							{if $product.options?}
                                {foreach $product.options as $key => $option}
                                    {if $key in ['modification','modifications','msal']}{continue}{/if}
                            
                                    {set $caption = $product[$key ~ '.caption']}
                                    {set $caption = $caption ? $caption : ('ms2_product_' ~ $key) | lexicon}
                                    
                                    {if $option is array} 
                                    {$caption} - {$option | join : '; '} 
                                    {else}
                                    {$caption} - {$option} 
                                    {/if}
                                    
                                {/foreach}
                            {/if}
						</p>
					</div>
				</div>
				<div class="goodsPrice">
					<p>
					    [[!msMultiCurrencyPrice? &price=`{$product.price}`]][[!+msmc.symbol_right]]
					</p>
				</div>
				<div class="goodsAmount">
    			<form method="post" class="ms2_form e quantity" role="form">
    			  <input type="hidden" name="key" value="{$product.key}"/>
    			  <a class="minus" href="#reduce">-</a>
    			  <input type="number" name="count" class="counter" value="{$product.count}"/>
    			  <a class="plus" href="#add">+</a>
    			  <button class="btn btn-default" type="submit" name="ms2_action" value="cart/change">
    				<i class="glyphicon glyphicon-refresh"></i>
    			  </button>
			    </form>
    			</div>
    			<div class="goodsClose">
					<form method="post" class="ms2_form">
					    <input type="hidden" name="key" value="{$product.key}">
						<button type="submit" name="ms2_action" value="cart/remove">
							<img class="goodsCloseButton" src="img/cart/closeIcon.png" alt="">
							<img class="goodsCloseButtonHover" src="img/cart/closeHoverIcon.png" alt="">
						</button>
					</form>
				</div>
    	    </div>
    	    {/foreach}
    	</div>
    	<div class="cartPageResult">
    	    <p>
    			<strong>
    				{'ms2_cart_total' | lexicon}:  
    			</strong>
    			<span class="ms2_total_cost">[[!msMultiCurrencyPrice? &price=`{$total.cost}`]]</span> 	[[!+msmc.symbol_right]]
    		
    		</p>
    		<div class="cartPageResultButton">
				<a href="[[++site_url]]">
					Назад в магазин
				</a>
				<a href="[[~56]]">Оформить заказ</a>
			</div>
    	</div>
    </div>
    {/if}
</div>

<?php

if (!class_exists('msPaymentInterface')) {
	require_once dirname(dirname(dirname(__FILE__))) . '/model/minishop2/mspaymenthandler.class.php';
}

class LiqPay extends msPaymentHandler implements msPaymentInterface {
	public $config;
	public $modx;

	function __construct(xPDOObject $object, $config = array()) {
		$this->modx = & $object->xpdo;
		$siteUrl = $this->modx->getOption('site_url');
		$assetsUrl = $this->modx->getOption('minishop2.assets_url', $config, $this->modx->getOption('assets_url').'components/minishop2/');
		$paymentUrl = $siteUrl . substr($assetsUrl, 1) . 'payment/liqpay.php';
		$this->config = array_merge(array(
			'paymentUrl' => $paymentUrl
			,'checkoutUrl' => $this->modx->getOption('ms2_payment_liqpay_url', null, 'https://www.liqpay.com/api/pay', true)
			,'public_key' => $this->modx->getOption('ms2_payment_liqpay_public_key')
			,'private_key' => $this->modx->getOption('ms2_payment_liqpay_private_key')
			,'currency' => $this->modx->getOption('ms2_payment_liqpay_currency', 'USD')
			,'culture' => $this->modx->getOption('ms2_payment_liqpay_culture', 'ru')
			,'sandbox' => $this->modx->getOption('ms2_payment_liqpay_sandbox')
			,'payway' => $this->modx->getOption('ms2_payment_liqpay_payway', 'card, liqpay, delayed, invoice, privat24', true)
		), $config);
	}

	/* @inheritdoc} */
	public function send(msOrder $order) {
		$link = $this->getPaymentLink($order);
		return $this->success('', array('redirect' => $link));
	}

	public function getPaymentLink(msOrder $order) {
		$id = $order->get('id');
		$successUrl = $this->config['paymentUrl']."?action=success&order_id=".$id;
		$sum = number_format($order->get('cost'), 2, '.', '');
        $description='Payment #'.$id;
        $signature = base64_encode(sha1($this->config['private_key'].$sum.$this->config['currency'].$this->config['public_key'].$id.'buy'.$description.$successUrl.$this->config['paymentUrl'],1));
		$request = array(
			'url' => $this->config['checkoutUrl']
			,'public_key' => $this->config['public_key']
			,'amount' => $sum
			,'order_id' => $id
			,'type' => 'buy'
			,'pay_way' => $this->config['payway']
			,'language' => $this->config['culture']
			,'sandbox' => $this->config['sandbox']
			,'signature' => $signature
			,'description' => $description
			,'result_url'=> $successUrl
			,'server_url' => $this->config['paymentUrl']
			,'currency' => $this->config['currency']
		);
		$link = $this->config['checkoutUrl'] .'?'. http_build_query($request);
		return $link;
	}

	/* @inheritdoc} */
	public function receive(msOrder $order, $params = array()) {
		$id = $order->get('id');
		$success =
            isset($_POST['amount']) &&
            isset($_POST['currency']) &&
            isset($_POST['public_key']) &&
            isset($_POST['description']) &&
            isset($_POST['order_id']) &&
            isset($_POST['type']) &&
            isset($_POST['status']) &&
            isset($_POST['transaction_id']) &&
            isset($_POST['sender_phone']);
        if (!$success) { die(); }
        $amount = $_POST['amount'];
        $currency = $_POST['currency'];
        $public_key = $_POST['public_key'];
        $description = $_POST['description'];
        $order_id = $_POST['order_id'];
        $type = $_POST['type'];
        $status = $_POST['status'];
        $transaction_id = $_POST['transaction_id'];
        $sender_phone = $_POST['sender_phone'];
        $insig = $_POST['signature'];
        if ($order_id!=$id) { die(); }
        $private_key = $this->config['private_key'];
        $gensig = base64_encode(sha1(join('',compact(
            'private_key',
            'amount',
            'currency',
            'public_key',
            'order_id',
            'type',
            'description',
            'status',
            'transaction_id',
            'sender_phone'
        )),1));
        if ($insig != $gensig) { die(); }
        if ($status == 'sandbox' || $status == 'success') {
        	/* @var miniShop2 $miniShop2 */
			$miniShop2 = $this->modx->getService('miniShop2');
			@$this->modx->context->key = 'mgr';
			$miniShop2->changeOrderStatus($order->get('id'), 2);
			exit('OK');
        } elseif ($status == 'failure') {
            $this->paymentError('Err: wrong signature.', $params);
        }
	}

	public function paymentError($text, $request = array()) {
		$this->modx->log(modX::LOG_LEVEL_ERROR,'[miniShop2:LiqPay] ' . $text . ', request: '.print_r($request,1));
		header("HTTP/1.0 400 Bad Request");

		die('ERR: ' . $text);
	}
}

$msmc->makePlaceholders();

case 'OnMODXInit':
        $msmc->extendMsOptionsPriceModel();
        break;
    case 'OnHandleRequest':
        if ($ctx === 'mgr') return;
         $msmc->makePlaceholders();
        $key = $msmc->getSessionContextKey();
        $_SESSION[$key] = $ctx;
        break;