File Extensions/Serializers/CategoryJsonSerializer.inc.php

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<?php

/* --------------------------------------------------------------
  CategoryJsonSerializer.inc.php 2016-04-15
  Gambio GmbH
  http://www.gambio.de
  Copyright (c) 2016 Gambio GmbH
  Released under the GNU General Public License (Version 2)
  [http://www.gnu.org/licenses/gpl-2.0.html]
  --------------------------------------------------------------
*/

MainFactory::load_class('AbstractJsonSerializer');

/**
 * Class CategoryJsonSerializer
 *
 * This class will serialize and deserialize a Category entity. It can be used into many
 * places where PHP interacts with external requests such as AJAX or API communication.
 *
 * @category   System
 * @package    Extensions
 * @subpackage Serializers
 */
class CategoryJsonSerializer extends AbstractJsonSerializer
{
    /**
     * Serialize a Category object to a JSON string.
     *
     * @param StoredCategoryInterface $object  Object instance to be serialized.
     * @param bool                    $encode  (optional) Whether to json_encode the result of the method (default
     *                                         true).
     *
     * @return string|array Returns the json encoded category (string) or an array that can be easily encoded into a
     *                      JSON string.
     * @throws InvalidArgumentException If the provided object type is invalid.
     * @throws RuntimeException Through the _serializeLanguageSpecificProperty method.
     */
    public function serialize($object, $encode = true)
    {
        if(!is_a($object, 'CategoryInterface'))
        {
            throw new InvalidArgumentException('Invalid argument provided, StoredCategoryInterface object required: '
                                               . get_class($object));
        }

        $category = array(
            'id'              => is_a($object, 'StoredCategoryInterface') ?  $object->getCategoryId() : null,
            'parentId'        => $object->getParentId(),
            'isActive'        => $object->isActive(),
            'sortOrder'       => $object->getSortOrder(),
            'dateAdded'       => $object->getAddedDateTime()->format('Y-m-d H:i:s'),
            'lastModified'    => $object->getLastModifiedDateTime()->format('Y-m-d H:i:s'),
            'name'            => $this->_serializeLanguageSpecificProperty($object, 'name'),
            'headingTitle'    => $this->_serializeLanguageSpecificProperty($object, 'headingTitle'),
            'description'     => $this->_serializeLanguageSpecificProperty($object, 'description'),
            'metaTitle'       => $this->_serializeLanguageSpecificProperty($object, 'metaTitle'),
            'metaDescription' => $this->_serializeLanguageSpecificProperty($object, 'metaDescription'),
            'metaKeywords'    => $this->_serializeLanguageSpecificProperty($object, 'metaKeywords'),
            'urlKeywords'     => $this->_serializeLanguageSpecificProperty($object, 'urlKeywords'),
            'icon'            => $object->getIcon(),
            'image'           => $object->getImage(),
            'imageAltText'    => $this->_serializeLanguageSpecificProperty($object, 'imageAltText'),
            'settings'        => $this->_serializeSettings($object->getSettings()),
            'addonValues'     => $this->_serializeAddonValues($object->getAddonValues())
        );

        return ($encode) ? $this->jsonEncode($category) : $category;
    }


    /**
     * Deserialize a Category JSON String.
     *
     * @param string $string     JSON string that contains the data of the category.
     * @param object $baseObject (optional) If provided, this will be the base object to be updated
     *                           and no new instance will be created.
     *
     * @return CategoryInterface Returns the deserialized Category object.
     * @throws InvalidArgumentException If the argument is not a string or is empty.
     */
    public function deserialize($string, $baseObject = null)
    {
        if(!is_string($string) || empty($string))
        {
            throw new InvalidArgumentException('Invalid argument provided for deserialization: ' . gettype($string));
        }

        $json = json_decode($string); // error for malformed json strings

        if($json === null && json_last_error() > 0)
        {
            throw new InvalidArgumentException('Provided JSON string is malformed and could not be parsed: ' . $string);
        }

        if(!$baseObject)
        {
            $categorySettings = MainFactory::create('CategorySettings');
            $category         = MainFactory::create('Category', $categorySettings);
        }
        else
        {
            $category = $baseObject;
        }

        // Deserialize JSON String 

        if($json->parentId !== null)
        {
            $category->setParentId(new IdType($json->parentId));
        }

        if($json->isActive !== null)
        {
            $category->setActive(new BoolType($json->isActive));
        }

        if($json->sortOrder !== null)
        {
            $category->setSortOrder(new IntType($json->sortOrder));
        }

        if($json->dateAdded !== null)
        {
            $category->setAddedDateTime(new EmptyDateTime($json->dateAdded));
        }

        if($json->lastModified !== null)
        {
            $category->setLastModifiedDateTime(new EmptyDateTime($json->lastModified));
        }

        if($json->settings !== null)
        {
            $category->setSettings($this->_deserializeSettings($category->getSettings(), $json->settings));
        }

        if($json->name !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->name, 'name');
        }

        if($json->headingTitle !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->headingTitle, 'headingTitle');
        }

        if($json->description !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->description, 'description');
        }

        if($json->metaTitle !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->metaTitle, 'metaTitle');
        }

        if($json->metaDescription !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->metaDescription, 'metaDescription');
        }

        if($json->metaKeywords !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->metaKeywords, 'metaKeywords');
        }

        if($json->urlKeywords !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->urlKeywords, 'urlKeywords');
        }
        
        if($json->icon !== null)
        {
            $category->setIcon(new StringType($json->icon));
        }
        
        if($json->image !== null)
        {
            $category->setImage(new StringType($json->image));
        }

        if($json->imageAltText !== null)
        {
            $this->_deserializeLanguageSpecificProperty($category, $json->imageAltText, 'imageAltText');
        }

        if($json->addonValues !== null)
        {
            $categoryAddonValuesArray      = $this->_deserializeAddonValues($json->addonValues);
            $categoryAddonValuesCollection = MainFactory::create('EditableKeyValueCollection',
                                                                 $categoryAddonValuesArray);

            $category->addAddonValues($categoryAddonValuesCollection);
        }

        return $category;
    }


    protected function _serializeSettings(CategorySettingsInterface $settings)
    {
        $databaseQueryBuilder   = StaticGXCoreLoader::getDatabaseQueryBuilder();
        $customerStatusProvider = MainFactory::create('CustomerStatusProvider', $databaseQueryBuilder);
        $customerStatusGroups   = $customerStatusProvider->getCustomerStatusIds();

        $permissions = array();
        foreach($customerStatusGroups as $groupId)
        {
            $permissions[] = array(
                'id'          => (int)$groupId,
                'isPermitted' => $settings->isPermittedCustomerStatus(new IdType($groupId))
            );
        }

        $serializedSettings = array(
            'categoryListingTemplate' => $settings->getCategoryListingTemplate(),
            'productListingTemplate'  => $settings->getProductListingTemplate(),
            'sortColumn'              => $settings->getProductSortColumn(),
            'sortDirection'           => $settings->getProductSortDirection(),
            'onSitemap'               => $settings->isSitemapEntry(),
            'sitemapPriority'         => $settings->getSitemapPriority(),
            'sitemapChangeFrequency'  => $settings->getSitemapChangeFreq(),
            'showAttributes'          => $settings->showAttributes(),
            'showGraduatedPrice'      => $settings->showGraduatedPrices(),
            'showQuantity'            => $settings->showQuantityInput(),
            'showQuantityInfo'        => $settings->showStock(),
            'showSubCategories'       => $settings->showSubcategories(),
            'showSubCategoryImages'   => $settings->showSubcategoryImages(),
            'showSubCategoryNames'    => $settings->showSubcategoryNames(),
            'showSubCategoryProducts' => $settings->showSubcategoryProducts(),
            'isViewModeTiled'         => $settings->isDefaultViewModeTiled(),
            'showCategoryFilter'      => $settings->showCategoryFilter(),
            'filterSelectionMode'     => $settings->getFilterSelectionMode(),
            'filterValueDeactivation' => $settings->getFilterValueDeactivation(),
            'groupPermissions'        => $permissions
        );

        return $serializedSettings;
    }


    protected function _deserializeSettings(CategorySettingsInterface $settings, $json)
    {
        if($json->categoryListingTemplate !== null)
        {
            $settings->setCategoryListingTemplate(new StringType($json->categoryListingTemplate));
        }

        if($json->productListingTemplate !== null)
        {
            $settings->setProductListingTemplate(new StringType($json->productListingTemplate));
        }

        if($json->sortColumn !== null)
        {
            $settings->setProductSortColumn(new StringType($json->sortColumn));
        }

        if($json->sortDirection !== null)
        {
            $settings->setProductSortDirection(new StringType($json->sortDirection));
        }

        if($json->onSitemap !== null)
        {
            $settings->setSitemapEntry(new BoolType($json->onSitemap));
        }

        if($json->sitemapPriority !== null)
        {
            $settings->setSitemapPriority(new StringType($json->sitemapPriority));
        }

        if($json->sitemapChangeFrequency !== null)
        {
            $settings->setSitemapChangeFreq(new StringType($json->sitemapChangeFrequency));
        }

        if($json->showAttributes !== null)
        {
            $settings->setShowAttributes(new BoolType($json->showAttributes));
        }

        if($json->showGraduatedPrice !== null)
        {
            $settings->setShowGraduatedPrices(new BoolType($json->showGraduatedPrice));
        }

        if($json->showQuantity !== null)
        {
            $settings->setShowQuantityInput(new BoolType($json->showQuantity));
        }

        if($json->showQuantityInfo !== null)
        {
            $settings->setShowStock(new BoolType($json->showQuantityInfo));
        }

        if($json->showSubCategories !== null)
        {
            $settings->setShowSubcategories(new BoolType($json->showSubCategories));
        }

        if($json->showSubCategoryImages !== null)
        {
            $settings->setShowSubcategoryImages(new BoolType($json->showSubCategoryImages));
        }

        if($json->showSubCategoryNames !== null)
        {
            $settings->setShowSubcategoryNames(new BoolType($json->showSubCategoryNames));
        }

        if($json->showSubCategoryProducts !== null)
        {
            $settings->setShowSubcategoryProducts(new BoolType($json->showSubCategoryProducts));
        }

        if($json->isViewModeTiled !== null)
        {
            $settings->setDefaultViewModeTiled(new BoolType($json->isViewModeTiled));
        }
        
        if($json->showCategoryFilter !== null)
        {
            $settings->setShowCategoryFilter(new BoolType($json->showCategoryFilter));
        }
        
        if($json->filterSelectionMode !== null)
        {
            $settings->setFilterSelectionMode(new IntType($json->filterSelectionMode));
        }
        
        if($json->filterValueDeactivation !== null)
        {
            $settings->setFilterValueDeactivation(new IntType($json->filterValueDeactivation));
        }

        if($json->groupPermissions !== null)
        {
            foreach($json->groupPermissions as $item)
            {
                $settings->setPermittedCustomerStatus(new IdType($item->id), new BoolType($item->isPermitted));
            }
        }

        return $settings;
    }
}

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