111 lines
2.5 KiB
PHP
111 lines
2.5 KiB
PHP
<?php
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class AnnouncementRepository extends ModelRepository
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{
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private static $_singletonInstance = null;
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public function __construct()
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{
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parent::__construct('Announcement');
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}
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/**
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* Returns an initiated AnnouncementRepository
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*
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* @return AnnouncementRepository
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*/
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public static function getInstance()
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{
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if (self::$_singletonInstance === null)
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{
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self::$_singletonInstance = new AnnouncementRepository();
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}
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return self::$_singletonInstance;
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}
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/**
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* Get Announcement object by id
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*
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* @param int $id
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* @return Announcement
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*/
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public function getObjectById($id)
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{
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if (!isInt($id))
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{
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return new Announcement(0);
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}
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static $cache = array();
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$key = $id;
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if (!isset($cache[$key]))
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{
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$cache[$key] = $this->getObjectFromSql('select * from announcements where id = ? LIMIT 1', [$id]);
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}
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return $cache[$key];
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}
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/**
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* Get the most recent x Announcements
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*
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* @param int $limit (default 1)
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* @return Announcement
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*/
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public function getObjectListByLatestDate($limit = 1)
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{
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if (!isInt($limit))
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{
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return [new Announcement(0)];
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}
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$announcements = $this->getObjectListFromSql('select * from announcements where start_date < NOW() and (end_date is null OR end_date > NOW()) order by id desc limit ' . $limit, []);
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return count($announcements) > 0 ? $announcements : [new Announcement(0)];
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}
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/**
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* Returns an object based on the provided sql
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*
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* @param string $sql
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* @param array $arg
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* @return StandardItem
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*/
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public function getObjectFromSql($sql, $arg)
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{
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$pdo = PDOMysqlConnection::getInstance();
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$stmt = $pdo->prepareAndExec($sql, $arg);
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if ($record = $stmt->fetch(PDO::FETCH_ASSOC))
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{
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return $this->_getObjectFromRecord($record);
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}
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// No object found, return empty object
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return new Announcement(0);
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}
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/**
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* Returns an array of object based on the provided sql
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*
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* @param string $sql
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* @param array $arg
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* @return array
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*/
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public function getObjectListFromSql($sql, $arg, $index = null)
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{
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$pdo = PDOMysqlConnection::getInstance();
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$stmt = $pdo->prepareAndExec($sql, $arg);
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$records = $stmt->fetchAll(PDO::FETCH_ASSOC);
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if (is_array($records) && !empty($records)) {
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return $this->_getObjectListFromRecords($records, $index);
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}
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// No object found, return empty array
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return [];
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}
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}
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