+<?php
+/**
+ * A wrapper for database access to shipping company data
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Ship-Simu Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class CompanyDatabaseWrapper extends BaseDatabaseWrapper {
+ /**
+ * Company instance
+ */
+ private $companyInstance = null;
+
+ // Constants for database tables
+ const DB_TABLE_COMPANY_DATA = 'company';
+ const DB_TABLE_COMPANY_USER = 'company_user';
+
+ // Constants for database columns
+ const DB_COLUMN_PARTICIPANT_ID = 'participant_id';
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Creates an instance of this wrapper class
+ *
+ * @param $companyInstance An instance of a generic company class or null if no specific
+ * @return $wrapperInstance An instance of this wrapper class
+ * @todo Find an interface which is suitable for all companies
+ */
+ public static final function createCompanyDatabaseWrapper (ShippingCompany $companyInstance = null) {
+ // Create a new instance
+ $wrapperInstance = new CompanyDatabaseWrapper();
+
+ // Set (primary!) table name
+ $wrapperInstance->setTableName(self::DB_TABLE_COMPANY_DATA);
+
+ // Set the company instance if not null
+ if (!is_null($companyInstance)) {
+ $wrapperInstance->setCompanyInstance($companyInstance);
+ } // END - if
+
+ // Return the instance
+ return $wrapperInstance;
+ }
+
+ /**
+ * Checks wether the given user participates in a company
+ *
+ * @param $userInstance An instance of a user class
+ * @return $participates Wether the user participates at lease in one company
+ */
+ public function ifUserParticipatesInCompany (ManageableAccount $userInstance) {
+ // By default no user owns any company... ;)
+ $participates = false;
+
+ // Get a search criteria class
+ $searchInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+ // Add the user primary key as a search criteria
+ $searchInstance->addCriteria(self::DB_COLUMN_PARTICIPANT_ID, $userInstance->getPrimaryKey());
+ $searchInstance->setLimit(1);
+
+ // Set company->user table
+ $this->setTableName(self::DB_TABLE_COMPANY_USER);
+
+ // Get the result back
+ $resultInstance = $this->doSelectByCriteria($searchInstance);
+
+ // Is there a result?
+ if ($resultInstance->next()) {
+ // Then cache it
+ $this->setResultInstance($resultInstance);
+
+ // Entry found for further analysis/processing
+ $participates = true;
+ } // END - if
+
+ // Return the result
+ return $participates;
+ }
+
+ /**
+ * Setter for company instance
+ *
+ * @param $companyInstance An instance of a generic company
+ * @return void
+ * @todo Find an interface suitable for all types of companies
+ */
+ protected final function setCompanyInstance (ShippingCompany $companyInstance) {
+ $this->companyInstance = $companyInstance;
+ }
+
+ /**
+ * Getter for company instance
+ *
+ * @return $companyInstance An instance of a generic company
+ * @todo Find an interface suitable for all types of companies
+ */
+ public final function getCompanyInstance () {
+ return $this->companyInstance;
+ }
+}
+
+// [EOF]
+?>