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<?php
/* --------------------------------------------------------------
   ProductSettingsRepositoryReader.inc.php 2016-05-25
   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]
   --------------------------------------------------------------
*/

/**
 * Class ProductSettingsRepositoryReader
 *
 * @category   System
 * @package    Product
 * @subpackage Repositories
 */
class ProductSettingsRepositoryReader implements ProductSettingsRepositoryReaderInterface
{
    /**
     *
     * @var CI_DB_query_builder
     */
    protected $db;

    /**
     * @var ProductFactoryInterface
     */
    protected $productFactory;
    
    /**
     * Customer Status Provider
     *
     * @var CustomerStatusProviderInterface
     */
    protected $customerStatusProvider;


    /**
     * ProductSettingsRepositoryReader Constructor
     *
     * @param CI_DB_query_builder             $db                     Database connection.
     * @param ProductFactoryInterface         $productFactory         Product factory.
     * @param CustomerStatusProviderInterface $customerStatusProvider Customer Status Provider.
     */
    public function __construct(CI_DB_query_builder $db,
                                ProductFactoryInterface $productFactory,
                                CustomerStatusProviderInterface $customerStatusProvider)
    {
        $this->db                     = $db;
        $this->productFactory         = $productFactory;
        $this->customerStatusProvider = $customerStatusProvider;
    }


    /**
     * Returns a product settings instance by the given product id.
     *
     * @param IdType $productId Id of product entity.
     *
     * @throws UnexpectedValueException if the product was not found by the provided ID.
     *
     * @return ProductSettingsInterface Entity with product settings for the expected product id.
     */
    public function getById(IdType $productId)
    {
        $this->db->select('*')->from('products')->where('products_id', $productId->asInt());
        $data = $this->db->get()->row_array();

        if($data === null)
        {
            throw new UnexpectedValueException('The requested Product was not found in database (ID:'
                                               . $productId->asInt() . ')');
        }

        $product = $this->_createProductByArray($data);

        return $product;
    }


    /**
     * Creates an empty settings object, gets Data from the database
     *
     * @param array $data Product data.
     *
     * @throws InvalidArgumentException if the provided data argument is not valid.
     *
     * @return GXEngineProduct Same instance for chained method calls.
     */
    protected function _createProductByArray(array $data)
    {
        $productSettings = $this->productFactory->createProductSettings();

        $productSettings->setDetailsTemplate(new StringType((string)$data['product_template']));
        $productSettings->setGraduatedQuantity(new DecimalType((double)$data['gm_graduated_qty']));
        $productSettings->setSitemapEntry(new BoolType((bool)$data['gm_sitemap_entry']));
        $productSettings->setSitemapPriority(new StringType((string)$data['gm_priority']));
        $productSettings->setSitemapChangeFreq(new StringType((string)$data['gm_changefreq']));
        $productSettings->setMinOrder(new DecimalType((double)$data['gm_min_order']));
        $productSettings->setOptionsDetailsTemplate(new StringType((string)$data['options_template']));
        $productSettings->setOptionsListingTemplate(new StringType((string)$data['gm_options_template']));
        $productSettings->setPriceStatus(new IntType((int)$data['gm_price_status']));
        $productSettings->setPropertiesDropdownMode(new StringType((string)$data['properties_dropdown_mode']));
        $productSettings->setShowAddedDateTime(new BoolType((bool)$data['gm_show_date_added']));
        $productSettings->setShowOnStartpage(new BoolType((bool)$data['products_startpage']));
        $productSettings->setStartpageSortOrder(new IntType((int)$data['products_startpage_sort']));
        $productSettings->setShowPriceOffer(new BoolType((bool)$data['gm_show_price_offer']));
        $productSettings->setShowPropertiesPrice(new BoolType((string)$data['properties_show_price']));
        $productSettings->setShowWeight(new BoolType((bool)$data['gm_show_weight']));
        $productSettings->setPropertiesCombisQuantityCheckMode(new IntType((int)$data['use_properties_combis_quantity']));
        $productSettings->setUsePropertiesCombisShippingTime(new BoolType((string)$data['use_properties_combis_shipping_time']));
        $productSettings->setUsePropertiesCombisWeight(new BoolType((string)$data['use_properties_combis_weight']));
        $productSettings->setShowQuantityInfo(new BoolType((bool)$data['gm_show_qty_info']));
        
        // Get and apply group permissions.
        $groupPermissionIds = $this->customerStatusProvider->getCustomerStatusIds();
        $this->_setGroupPermissions($data, $groupPermissionIds, $productSettings);

        return $productSettings;
    }
    
    
    /**
     * Sets the permitted customers statuses.
     *
     * @param array                    $product            The fetched product array from the database.
     * @param array                    $groupPermissionIds Array of available group permission.
     * @param ProductSettingsInterface $productSettings    Object to set the customer statuses.
     *
     * @return CategorySettingsRepositoryReader Same instance for chained method calls.
     */
    protected function _setGroupPermissions($product, $groupPermissionIds, ProductSettingsInterface $productSettings)
    {
        foreach($groupPermissionIds as $id)
        {
            if(array_key_exists('group_permission_' . $id, $product))
            {
                $productSettings->setPermittedCustomerStatus(new IdType($id),
                                                             new BoolType((bool)$product['group_permission_' . $id]));
            }
        }
        
        return $this;
    }
}