File Loaders/GXCoreLoader/GXCoreLoader.inc.php

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<?php
/* --------------------------------------------------------------
   GXCoreLoader.inc.php 2016-03-31
   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('GXCoreLoaderInterface');

/**
 * Class GXCoreLoader
 *
 * @category    System
 * @package     Loaders
 * @subpackage  GXCoreLoader
 */
class GXCoreLoader implements GXCoreLoaderInterface
{
    /**
     * Contains the loader settings.
     *
     * @var GXCoreLoaderSettingsInterface
     */
    protected $gxCoreLoaderSettings;
    
    /**
     * Database Layer Object
     *
     * @var CI_DB_query_builder
     */
    protected $ciDatabaseQueryBuilder;
    
    /**
     * Factory for OrderService Objects
     *
     * @var AbstractOrderServiceFactory
     */
    protected $orderServiceFactory;
    
    /**
     * Factory to create objects of the customer service.
     *
     * @var CustomerServiceFactory
     */
    protected $customerServiceFactory;
    
    /**
     * Factory to create objects of the email service.
     *
     * @var EmailFactory
     */
    protected $emailFactory;
    
    /**
     * Factory to create objects of the category service.
     *
     * @var CategoryServiceFactory
     */
    protected $categoryServiceFactory;
    
    /**
     * Factory to create objects of the product service.
     *
     * @var ProductServiceFactory
     */
    protected $productServiceFactory;
    
    /**
     * Factory to create objects of the addon value service.
     *
     * @var AddonValueServiceFactory
     */
    protected $addonValueServiceFactory;
    
    /**
     * Factory to create objects of the invoice service.
     *
     * @var InvoiceServiceFactory
     */
    protected $invoiceServiceFactory;
    
    
    /**
     * Class Constructor
     *
     * @param GXCoreLoaderSettingsInterface $gxCoreLoaderSettings
     */
    public function __construct(GXCoreLoaderSettingsInterface $gxCoreLoaderSettings)
    {
        $this->gxCoreLoaderSettings = $gxCoreLoaderSettings;
    }
    
    
    /**
     * Get the requested server object.
     *
     * @param string $serviceName
     *
     * @return AddressBookServiceInterface|CountryServiceInterface|CustomerServiceInterface
     *
     * @throws DomainException
     *
     * @todo Delegate to GXServiceFactory
     */
    public function getService($serviceName)
    {
        switch($serviceName)
        {
            case 'Customer': // DEPRECATED!!
                $customerServiceFactory = $this->_getCustomerServiceFactory();
                $customerService        = $customerServiceFactory->getCustomerService();
                
                return $customerService;
                break;
            case 'CustomerRead':
                $customerServiceFactory = $this->_getCustomerServiceFactory();
                $customerReadService    = $customerServiceFactory->createCustomerReadService();
                
                return $customerReadService;
                break;
            case 'CustomerWrite':
                $customerServiceFactory = $this->_getCustomerServiceFactory();
                $customerWriteService   = $customerServiceFactory->createCustomerWriteService();
                
                return $customerWriteService;
                break;
            case 'AddressBook':
                $customerServiceFactory = $this->_getCustomerServiceFactory();
                $addressBookService     = $customerServiceFactory->getAddressBookService();
                
                return $addressBookService;
                break;
            case 'Country':
                $customerServiceFactory = $this->_getCustomerServiceFactory();
                $countryService         = $customerServiceFactory->getCountryService();
                
                return $countryService;
                break;
            case 'RegistrationInputValidator':
                $customerServiceFactory     = $this->_getCustomerServiceFactory();
                $registrationInputValidator = $customerServiceFactory->getCustomerRegistrationInputValidatorService();
                
                return $registrationInputValidator;
                break;
            case 'AccountInputValidator':
                $customerServiceFactory = $this->_getCustomerServiceFactory();
                $accountInputValidator  = $customerServiceFactory->getCustomerAccountInputValidator();
                
                return $accountInputValidator;
                break;
            case 'AddressInputValidator':
                $customerServiceFactory = $this->_getCustomerServiceFactory();
                $accountInputValidator  = $customerServiceFactory->getCustomerAddressInputValidatorService();
                
                return $accountInputValidator;
                break;
            case 'UserConfiguration':
                $db                       = $this->getDatabaseQueryBuilder();
                $userConfigurationReader  = MainFactory::create('UserConfigurationReader', $db);
                $userConfigurationWriter  = MainFactory::create('UserConfigurationWriter', $db);
                $userConfigurationService = MainFactory::create('UserConfigurationService', $userConfigurationReader,
                                                                $userConfigurationWriter);
                
                return $userConfigurationService;
                break;
            case 'Statistics':
                $db                = $this->getDatabaseQueryBuilder();
                $xtcPrice          = new xtcPrice($_SESSION['currency'],
                                                  $_SESSION['customers_status']['customers_status_id']);
                $statisticsService = MainFactory::create('StatisticsService', $db, $xtcPrice);
                
                return $statisticsService;
                break;
            case 'Email':
                $emailFactory = $this->_getEmailFactory();
                
                return $emailFactory->createService();
                break;
            case 'OrderObject':
                $factory = $this->_getOrderServiceFactory();
                
                return $factory->createOrderObjectService();
                break;
            case 'OrderRead':
                $factory = $this->_getOrderServiceFactory();
                
                return $factory->createOrderReadService();
                break;
            case 'OrderWrite':
                $factory = $this->_getOrderServiceFactory();
                
                return $factory->createOrderWriteService();
                break;
            case 'Http':
                $httpServiceFactory = MainFactory::create('HttpServiceFactory');
                
                return $httpServiceFactory->createService();
                break;
            case 'CategoryRead':
                $factory = $this->_getCategoryServiceFactory();
                
                return $factory->createCategoryReadService();
                break;
            case 'CategoryWrite':
                $factory = $this->_getCategoryServiceFactory();
                
                return $factory->createCategoryWriteService();
                break;
            case 'CategoryObject':
                $factory = $this->_getCategoryServiceFactory();
                
                return $factory->createCategoryObjectService();
                break;
            case 'AddonValue':
                $factory = $this->_getAddonValueServiceFactory();
                
                return $factory->createAddonValueService();
                break;
            case 'ProductRead':
                $factory = $this->_getProductServiceFactory();
                
                return $factory->createProductReadService();
                break;
            case 'ProductWrite':
                $factory = $this->_getProductServiceFactory();
                
                return $factory->createProductWriteService();
                break;
            case 'ProductObject':
                $factory = $this->_getProductServiceFactory();
                
                return $factory->createProductObjectService();
                break;
            case 'SharedShoppingCart':
                $db                           = $this->getDatabaseQueryBuilder();
                $sharedShoppingCartReader     = MainFactory::create('SharedShoppingCartReader', $db);
                $sharedShoppingCartWriter     = MainFactory::create('SharedShoppingCartWriter', $db);
                $sharedShoppingCartDeleter    = MainFactory::create('SharedShoppingCartDeleter', $db);
                $sharedShoppingCartRepository = MainFactory::create('SharedShoppingCartRepository',
                                                                    $sharedShoppingCartReader,
                                                                    $sharedShoppingCartWriter,
                                                                    $sharedShoppingCartDeleter);
                $sharedShoppingCartSettings   = MainFactory::create('SharedShoppingCartSettings');
                
                $sharedShoppingCartService = MainFactory::create('SharedShoppingCartService',
                                                                 $sharedShoppingCartRepository,
                                                                 $sharedShoppingCartSettings);
                
                return $sharedShoppingCartService;
                break;
            case 'InfoBox':
                $db             = $this->getDatabaseQueryBuilder();
                $infoBoxReader  = MainFactory::create('InfoBoxReader', $db);
                $infoBoxWriter  = MainFactory::create('InfoBoxWriter', $db);
                $infoBoxDeleter = MainFactory::create('InfoBoxDeleter', $db);
                $infoBoxService = MainFactory::create('InfoBoxService', $infoBoxReader, $infoBoxWriter,
                                                      $infoBoxDeleter);
                
                return $infoBoxService;
                break;
            case 'InvoiceArchiveRead':
                $invoiceServiceFactory = $this->_getInvoiceServiceFactory();
                
                return $invoiceServiceFactory->createInvoiceArchiveReadService();
                breaK;
            case 'InvoiceArchiveWrite':
                $invoiceServiceFactory = $this->_getInvoiceServiceFactory();
                
                return $invoiceServiceFactory->createInvoiceArchiveWriteService();
                breaK;
            default:
                throw new DomainException('Unknown service: ' . htmlentities($serviceName));
        }
    }
    
    
    /**
     * Method depends on CodeIgniter database library
     *
     * @return CI_DB_query_builder
     *
     * @todo check connection errors
     * @todo escape special characters in mysqli connection string (AT)
     * @todo use GXDatabaseAccessorInterface
     */
    public function getDatabaseQueryBuilder()
    {
        if($this->ciDatabaseQueryBuilder == null)
        {
            $dbUser     = $this->gxCoreLoaderSettings->getDatabaseUser();
            $dbPassword = $this->gxCoreLoaderSettings->getDatabasePassword();
            $dbServer   = $this->gxCoreLoaderSettings->getDatabaseServer();
            $dbName     = $this->gxCoreLoaderSettings->getDatabaseName();
            $dbSocket   = ($this->gxCoreLoaderSettings->getDatabaseSocket()) ? '?socket='
                                                                               . $this->gxCoreLoaderSettings->getDatabaseSocket() : '';
            
            $connectionString = 'mysqli://' . $dbUser . ':' . $dbPassword . '@' . $dbServer . '/' . $dbName . $dbSocket;
            
            $this->ciDatabaseQueryBuilder = CIDB($connectionString);
            
            // @todo Remove the following block when the shop is totally ready for MySQL strict mode.
            if(is_object($GLOBALS['coo_debugger'])
               && $GLOBALS['coo_debugger']->is_enabled('enable_mysql_strict_mode')
            )
            {
                $this->ciDatabaseQueryBuilder->query('SET SESSION sql_mode = "ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,'
                                                     . 'NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,'
                                                     . 'NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"');
            }
            else
            {
                $this->ciDatabaseQueryBuilder->query('SET SESSION sql_mode = ""');
            }
        }
        
        return $this->ciDatabaseQueryBuilder;
    }
    
    
    /**
     * Get a customer service factory object.
     *
     * @return CustomerServiceFactory
     */
    protected function _getCustomerServiceFactory()
    {
        if(null === $this->customerServiceFactory)
        {
            $ciDatabaseQueryBuilder       = $this->getDatabaseQueryBuilder();
            $this->customerServiceFactory = MainFactory::create('CustomerServiceFactory', $ciDatabaseQueryBuilder);
        }
        
        return $this->customerServiceFactory;
    }
    
    
    /**
     * Get an email factory object.
     *
     * @return EmailFactory
     */
    protected function _getEmailFactory()
    {
        if(null === $this->emailFactory)
        {
            $db                 = $this->getDatabaseQueryBuilder();
            $this->emailFactory = MainFactory::create('EmailFactory', $db);
        }
        
        return $this->emailFactory;
    }
    
    
    /**
     * Get an order service factory object.
     *
     * @return AbstractOrderServiceFactory
     */
    protected function _getOrderServiceFactory()
    {
        if($this->orderServiceFactory === null)
        {
            $db                        = $this->getDatabaseQueryBuilder();
            $this->orderServiceFactory = MainFactory::create('OrderServiceFactory', $db);
        }
        
        return $this->orderServiceFactory;
    }
    
    
    /**
     * Get a category service factory.
     *
     * @return CategoryServiceFactory
     */
    protected function _getCategoryServiceFactory()
    {
        if(null === $this->categoryServiceFactory)
        {
            $db                           = $this->getDatabaseQueryBuilder();
            $settings                     = MainFactory::create('EnvCategoryServiceSettings');
            $this->categoryServiceFactory = MainFactory::create('CategoryServiceFactory', $db, $settings);
        }
        
        return $this->categoryServiceFactory;
    }
    
    
    /**
     * Get a product service factory
     *
     * @return ProductServiceFactory
     */
    protected function _getProductServiceFactory()
    {
        if(null === $this->productServiceFactory)
        {
            $db                          = $this->getDatabaseQueryBuilder();
            $this->productServiceFactory = MainFactory::create('ProductServiceFactory', $db);
        }
        
        return $this->productServiceFactory;
    }
    
    
    /**
     * Get an addon value service factory.
     *
     * @return AddonValueServiceFactory
     */
    protected function _getAddonValueServiceFactory()
    {
        if(null === $this->addonValueServiceFactory)
        {
            $db                             = $this->getDatabaseQueryBuilder();
            $this->addonValueServiceFactory = MainFactory::create('AddonValueServiceFactory', $db);
        }
        
        return $this->addonValueServiceFactory;
    }
    
    
    /**
     * Returns the invoice service factory to create objects of the invoice service.
     *
     * @return \InvoiceServiceFactory
     */
    protected function _getInvoiceServiceFactory()
    {
        if(null === $this->invoiceServiceFactory)
        {
            $db                          = $this->getDatabaseQueryBuilder();
            $this->invoiceServiceFactory = MainFactory::create('InvoiceServiceFactory', $db);
        }
        
        return $this->invoiceServiceFactory;
    }
}

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