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<?php
/**
* LockedAdmission.php
*
* Represents a rule for completely locking courses for admission.
*
* 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 2 of
* the License, or (at your option) any later version.
*
* @author Thomas Hackl <thomas.hackl@uni-passau.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*/
class LockedAdmission extends AdmissionRule
{
// --- ATTRIBUTES ---
// --- OPERATIONS ---
/**
* Standard constructor.
*
* @param String ruleId
*/
public function __construct($ruleId='', $courseSetId = '')
{
parent::__construct($ruleId, $courseSetId);
$this->default_message = _('Die Anmeldung ist gesperrt.');
if ($ruleId) {
$this->load();
} else {
$this->id = $this->generateId('lockedadmissions');
}
}
/**
* Deletes the admission rule and all associated data.
*/
public function delete() {
parent::delete();
// Delete rule data.
$stmt = DBManager::get()->prepare("DELETE FROM `lockedadmissions`
WHERE `rule_id`=?");
$stmt->execute([$this->id]);
}
/**
* Gets some text that describes what this AdmissionRule (or respective
* subclass) does.
*/
public static function getDescription() {
return _("Diese Art von Anmelderegel sperrt die Anmeldung ".
"zu allen zugehörigen Veranstaltungen, sodass sich niemand ".
"eintragen kann.");
}
/**
* Return this rule's name.
*/
public static function getName() {
return _("Anmeldung gesperrt");
}
/**
* Gets the template that provides a configuration GUI for this rule.
*
* @return String
*/
public function getTemplate() {
$factory = new Flexi\Factory(dirname(__FILE__).'/templates/');
// Now open specific template for this rule and insert base template.
$tpl = $factory->open('configure');
$tpl->set_attribute('rule', $this);
return $tpl->render();
}
/**
* Internal helper function for loading rule definition from database.
*/
public function load() {
$stmt = DBManager::get()->prepare("SELECT * FROM `lockedadmissions`
WHERE `rule_id`=? LIMIT 1");
$stmt->execute([$this->id]);
if ($current = $stmt->fetch(PDO::FETCH_ASSOC)) {
$this->message = $current['message'];
}
}
/**
* Does the current rule allow the given user to register as participant
* in the given course? Never happens here as admission is completely
* locked.
*
* @param String userId
* @param String courseId
* @return Array Any errors that occurred on admission.
*/
public function ruleApplies($userId, $courseId)
{
// YOU CANNOT PASS!
return [$this->getMessage()];
}
/**
* Helper function for storing data to DB.
*/
public function store() {
// Store data.
$stmt = DBManager::get()->prepare("INSERT INTO `lockedadmissions`
(`rule_id`, `message`, `mkdate`, `chdate`)
VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE
`message`=VALUES(`message`), `chdate`=VALUES(`chdate`)");
$stmt->execute([$this->id, $this->message, time(), time()]);
return $this;
}
/**
* A textual description of the current rule.
*
* @return String
*/
public function toString() {
$factory = new Flexi\Factory(dirname(__FILE__).'/templates/');
$tpl = $factory->open('info');
$tpl->set_attribute('rule', $this);
return $tpl->render();
}
} /* end of class LockedAdmission */
?>
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