Переделанная миникорзина для запроса по ajax

getCartAjax.php

<?php
/** @var modX $modx */
/** @var array $scriptProperties */
/** @var miniShop2 $miniShop2 */
$miniShop2 = $modx->getService('miniShop2');
$miniShop2->initialize($modx->context->key);
/** @var pdoFetch $pdoFetch */
if (!$modx->loadClass('pdofetch', MODX_CORE_PATH . 'components/pdotools/model/pdotools/', false, true)) {
    return false;
}
$pdoFetch = new pdoFetch($modx, $scriptProperties);
$pdoFetch->addTime('pdoTools loaded.');

$cart = $miniShop2->cart->get();
$status = $miniShop2->cart->status();


// Select cart products
$where = array(
    'msProduct.id:IN' => array(),
);
foreach ($cart as $entry) {
    $where['msProduct.id:IN'][] = $entry['id'];
}
$where['msProduct.id:IN'] = array_unique($where['msProduct.id:IN']);

// Include products properties
$leftJoin = array(
    'Data' => array(
        'class' => 'msProductData',
    ),
    'Vendor' => array(
        'class' => 'msVendor',
        'on' => 'Data.vendor = Vendor.id',
    ),
);

// Select columns
$select = array(
    'msProduct' => !empty($includeContent)
        ? $modx->getSelectColumns('msProduct', 'msProduct')
        : $modx->getSelectColumns('msProduct', 'msProduct', '', array('content'), true),
    'Data' => $modx->getSelectColumns('msProductData', 'Data', '', array('id'), true),
    'Vendor' => $modx->getSelectColumns('msVendor', 'Vendor', 'vendor.', array('id'), true),
);

// Include products thumbnails
if (!empty($includeThumbs)) {
    $thumbs = array_map('trim', explode(',', $includeThumbs));
    if (!empty($thumbs[0])) {
        foreach ($thumbs as $thumb) {
            $leftJoin[$thumb] = array(
                'class' => 'msProductFile',
                'on' => "`{$thumb}`.product_id = msProduct.id AND `{$thumb}`.parent != 0 AND `{$thumb}`.path LIKE '%/{$thumb}/%' AND `{$thumb}`.rank = 0",
            );
            $select[$thumb] = "`{$thumb}`.url as '{$thumb}'";
        }
        $pdoFetch->addTime('Included list of thumbnails: <b>' . implode(', ', $thumbs) . '</b>.');
    }
}

// Add user parameters
foreach (array('where', 'leftJoin', 'select') as $v) {
    if (!empty($scriptProperties[$v])) {
        $tmp = $scriptProperties[$v];
        if (!is_array($tmp)) {
            $tmp = json_decode($tmp, true);
        }
        if (is_array($tmp)) {
            $$v = array_merge($$v, $tmp);
        }
    }
    unset($scriptProperties[$v]);
}
$pdoFetch->addTime('Conditions prepared');

$default = array(
    'class' => 'msProduct',
    'where' => $where,
    'leftJoin' => $leftJoin,
    'select' => $select,
    'sortby' => 'msProduct.id',
    'sortdir' => 'ASC',
    'groupby' => 'msProduct.id',
    'limit' => 0,
    'return' => 'data',
    'nestedChunkPrefix' => 'minishop2_',
);
// Merge all properties and run!
$pdoFetch->setConfig(array_merge($default, $scriptProperties), false);

$tmp = $pdoFetch->run();
$rows = array();
foreach ($tmp as $row) {
    $rows[$row['id']] = $row;
}

// Process products in cart
$products = array();
$total = array('count' => 0, 'weight' => 0, 'cost' => 0, 'total_OldPrice' => 0, 'total_discount' => 0);
foreach ($cart as $key => $entry) {
    if (!isset($rows[$entry['id']])) {
        continue;
    }
    $product = $rows[$entry['id']];

    $product['key'] = $key;
    $product['count'] = $entry['count'];
    $product['old_price'] = $miniShop2->formatPrice(
        $product['price'] > $entry['price']
            ? $product['price']
            : $product['old_price']
    );

    
    $product['price'] = $miniShop2->formatPrice($entry['price']);
    $product['weight'] = $miniShop2->formatWeight($entry['weight']);
    $product['cost'] = $miniShop2->formatPrice($entry['count'] * $entry['price']);
    
    if ($product['old_price']) {
        $product['discount'] = $miniShop2->formatPrice(str_replace(' ', '', $product['old_price']) * $product['count'] - $product['count'] * str_replace(' ', '',$product['price']));
        $product['total_oldPrice'] = $miniShop2->formatPrice(str_replace(' ', '', $product['old_price']) * $product['count']);
    } else {
        $product['discount'] = 0;
        $product['total_oldPrice'] = 0;
    }
    $product['total_price'] = $miniShop2->formatPrice(str_replace(' ', '', $product['price']) * $product['count']);
    // Additional properties of product in cart
    if (!empty($entry['options']) && is_array($entry['options'])) {
        $product['options'] = $entry['options'];
        foreach ($entry['options'] as $option => $value) {
            $product['option.' . $option] = $value;
        }
    }

    // Add option values
    $options = $modx->call('msProductData', 'loadOptions', array(&$modx, $product['id']));
    $products[] = array_merge($product, $options);

    // Count total
    $total['count'] += $entry['count'];
    $total['cost'] += $entry['count'] * $entry['price'];
    $total['weight'] += $entry['count'] * $entry['weight'];
    //wtf
    $total['total_OldPrice'] += str_replace(' ', '',$product['total_oldPrice']);
    
    if ($product['total_oldPrice']) {
        $total['total_discount'] += str_replace(' ', '', $product['total_oldPrice']);
    } else {
        $total['total_discount'] += str_replace(' ', '', $product['total_price']);
    }
    //$modx->log(1, $total['total_discount']);
}
if ($total['total_discount'] == $total['cost']) {
    $total['total_discount'] = 0;
}
if ($total['total_discount']) {
    $total['total_discount_two'] = $total['total_discount'] - $total['cost'];
}
if ($total['total_discount']) {
    $total['discount_percent'] = $total['total_discount'] / $total['total_discount_two'];
    $total['discount_percent'] = round(100 / $total['discount_percent'], 0);
}


$total['total_OldPrice'] = $miniShop2->formatPrice($total['total_OldPrice']);
$total['total_discount'] = $miniShop2->formatPrice($total['total_discount']);
$total['cost'] = $miniShop2->formatPrice($total['cost']);
$total['weight'] = $miniShop2->formatWeight($total['weight']);

$output = array(
    'total' => $total,
    'products' => $products,
);

if ($scriptProperties['tpl'])
    return $pdoFetch->getChunk($scriptProperties['tpl'], $output);
else {
    return $output;
}