+<?php
+/**
+ * A default news reader class reads news from database layer
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Core Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.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 DefaultNewsReader extends BaseFrameworkSystem implements ReadableNews, Registerable {
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+
+ // Clean up a little
+ $this->removeNumberFormaters();
+ $this->removeSystemArray();
+ }
+
+ /**
+ * Creates an instance of this reader by a provided request instance
+ *
+ * @param $requestInstance An instance of a Requestable class
+ * @return $readerInstance An instance of this reader class
+ */
+ public final static function createDefaultNewsReader (Requestable $requestInstance) {
+ // Get a new instance
+ $readerInstance = new DefaultNewsReader();
+
+ // Set request instance
+ $readerInstance->setRequestInstance($requestInstance);
+
+ // Return prepared instance
+ return $readerInstance;
+ }
+
+ /**
+ * Initializes this reader class by pre-fetching news depending on 'page'
+ * (outside or login area), which amount of news and how much to skip
+ *
+ * @return void
+ */
+ public function initializeReader () {
+ // Get 'page' for saving some calls
+ $page = $this->getRequestInstance()->getRequestElement('page');
+
+ // First get a wrapper instance
+ $wrapperInstance = ObjectFactory::createObjectByConfiguredName('news_db_wrapper_class');
+
+ // Next create a searchable criteria instance
+ $criteriaInstance = ObjectFactory::createObjectByConfiguredName('search_criteria_class');
+
+ // Add the page as criteria to it at lease
+ $criteriaInstance->addCriteria('page', $page);
+
+ // Add limitation from config
+ $criteriaInstance->setLimit($this->getConfigInstance()->readConfig('news_' . $page . '_limit'));
+
+ // Get a resultInstance back from the database
+ $resultInstance = $wrapperInstance->doSelectByCriteria($criteriaInstance);
+
+ // Save that resultInstance in this class
+ $this->setResultInstance($resultInstance);
+ }
+}
+
+// [EOF]
+?>
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