ProductTemplateProductCategoriesUtil.php

<?php
    /*********************************************************************************
     * Zurmo is a customer relationship management program developed by
     * Zurmo, Inc. Copyright (C) 2017 Zurmo Inc.
     *
     * Zurmo is free software; you can redistribute it and/or modify it under
     * the terms of the GNU Affero General Public License version 3 as published by the
     * Free Software Foundation with the addition of the following permission added
     * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
     * IN WHICH THE COPYRIGHT IS OWNED BY ZURMO, ZURMO DISCLAIMS THE WARRANTY
     * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
     *
     * Zurmo is distributed in the hope that it will be useful, but WITHOUT
     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
     * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
     * details.
     *
     * You should have received a copy of the GNU Affero General Public License along with
     * this program; if not, see http://www.gnu.org/licenses or write to the Free
     * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
     * 02110-1301 USA.
     *
     * You can contact Zurmo, Inc. with a mailing address at 27 North Wacker Drive
     * Suite 370 Chicago, IL 60606. or at email address contact@zurmo.com.
     *
     * The interactive user interfaces in original and modified versions
     * of this program must display Appropriate Legal Notices, as required under
     * Section 5 of the GNU Affero General Public License version 3.
     *
     * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
     * these Appropriate Legal Notices must retain the display of the Zurmo
     * logo and Zurmo copyright notice. If the display of the logo is not reasonably
     * feasible for technical reasons, the Appropriate Legal Notices must display the words
     * "Copyright Zurmo Inc. 2017. All rights reserved".
     ********************************************************************************/

    class ProductTemplateProductCategoriesUtil
    {
        public static function resolveProductTemplateHasManyProductCategoriesFromPost(
                                    ProductTemplate $productTemplate, $postData)
        {
            $newCategory = array();
            if (isset($postData['categoryIds']) && strlen($postData['categoryIds']) > 0)
            {
                $categoryIds = explode(",", $postData['categoryIds']);  // Not Coding Standard
                foreach ($categoryIds as $categoryId)
                {
                    $newCategory[$categoryId] = ProductCategory::getById((int)$categoryId);
                }
                if ($productTemplate->productCategories->count() > 0)
                {
                    $categoriesToRemove = array();
                    foreach ($productTemplate->productCategories as $index => $existingCategory)
                    {
                        $categoriesToRemove[] = $existingCategory;
                    }
                    foreach ($categoriesToRemove as $categoryToRemove)
                    {
                        $productTemplate->productCategories->remove($categoryToRemove);
                    }
                }
                //Now add missing categories
                foreach ($newCategory as $category)
                {
                    $productTemplate->productCategories->add($category);
                }
            }
            else
            {
                //remove all categories
                $productTemplate->productCategories->removeAll();
            }
            return $newCategory;
        }
    }
?>