Subida del módulo y tema de PrestaShop

classes/checkout/CartChecksum.php

@@ -0,0 +1,60 @@
+<?php
+/**
+ * For the full copyright and license information, please view the
+ * docs/licenses/LICENSE.txt file that was distributed with this source code.
+ */
+class CartChecksumCore implements ChecksumInterface
+{
+    public $addressChecksum = null;
+    private $separator = '_';
+    private $subseparator = '-';
+
+    public function __construct(AddressChecksum $addressChecksum)
+    {
+        $this->addressChecksum = $addressChecksum;
+    }
+
+    /**
+     * @param Cart $cart
+     *
+     * @return string cart SHA1
+     */
+    public function generateChecksum($cart)
+    {
+        $uniq_id = '';
+        $uniq_id .= $cart->id_shop;
+        $uniq_id .= $this->separator;
+        $uniq_id .= $cart->id_customer;
+        $uniq_id .= $this->separator;
+        $uniq_id .= $cart->id_guest;
+        $uniq_id .= $this->separator;
+        $uniq_id .= $cart->id_currency;
+        $uniq_id .= $this->separator;
+        $uniq_id .= $cart->id_lang;
+        $uniq_id .= $this->separator;
+
+        $uniq_id .= $this->addressChecksum->generateChecksum(new Address($cart->id_address_delivery));
+        $uniq_id .= $this->separator;
+        $uniq_id .= $this->addressChecksum->generateChecksum(new Address($cart->id_address_invoice));
+        $uniq_id .= $this->separator;
+
+        $products = $cart->getProducts($refresh = true);
+        foreach ($products as $product) {
+            $uniq_id .= $product['id_shop']
+                . $this->subseparator
+                . $product['id_product']
+                . $this->subseparator
+                . $product['id_product_attribute']
+                . $this->subseparator
+                . $product['cart_quantity']
+                . $this->subseparator
+                . $product['total_wt'];
+            $uniq_id .= $this->separator;
+        }
+
+        $uniq_id = rtrim($uniq_id, $this->separator);
+        $uniq_id = rtrim($uniq_id, $this->subseparator);
+
+        return sha1($uniq_id);
+    }
+}