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<?php
/**
* Admission_RuleAdministrationController - Global administration
* of available admission rules
*
* 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
* @since 3.0
*/
class Admission_RuleAdministrationController extends AuthenticatedController
{
/**
* @see AuthenticatedController::before_filter
*/
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
$GLOBALS['perm']->check('root');
Navigation::activateItem('/admin/config/admissionrules');
PageLayout::addScript('studip-admission.js');
$sidebar = Sidebar::Get();
$views = new ViewsWidget();
$views->addLink(_('Installierte Anmelderegeln'),
$this->url_for('admission/ruleadministration'))
->setActive($action === 'index');
$views->addLink(_('Regelkompatibilität'),
$this->url_for('admission/ruleadministration/compatibility'))
->setActive($action === 'compatibility');
$sidebar->addWidget($views);
}
/**
* Show overview of available admission rules.
*/
public function index_action()
{
PageLayout::setTitle(_('Verwaltung von Anmelderegeln'));
$this->ruleTypes = AdmissionRule::getAvailableAdmissionRules(false);
// Available rule classes.
$ruleClasses = array_map(function($s) { return mb_strtolower($s); }, array_keys($this->ruleTypes));
// Found directories with rule definitions.
$ruleDirs = array_map(function($s) { return basename($s); }, glob($GLOBALS['STUDIP_BASE_PATH'].'/lib/admissionrules/*', GLOB_ONLYDIR));
// Compare the two.
$this->newRules = array_diff($ruleDirs, $ruleClasses);
}
public function compatibility_action()
{
PageLayout::setTitle(_('Anmelderegelkompatibilität'));
$this->ruletypes = AdmissionRule::getAvailableAdmissionRules(false);
$this->matrix = AdmissionRuleCompatibility::getCompatibilityMatrix();
}
/**
* Shows where the given admission rule is activated (system wide or
* only at specific institutes).
*
* @param String $ruleType Class name of the rule type to check.
*/
public function check_activation_action($ruleType)
{
PageLayout::setTitle(_('Verfügbarkeit der Anmelderegel'));
$this->ruleTypes = AdmissionRule::getAvailableAdmissionRules(false);
$this->type = $ruleType;
$stmt = DBManager::get()->prepare("SELECT ai.`institute_id`
FROM `admissionrule_inst` ai
JOIN `admissionrules` r ON (ai.`rule_id`=r.`id`)
WHERE r.`ruletype`=?");
$stmt->execute([$ruleType]);
$this->activated = [];
$globally = true;
$atInst = false;
while ($current = $stmt->fetch(PDO::FETCH_ASSOC)) {
if ($globally) $globally = false;
if (!$atInst) $atInst = true;
$institute = new Institute($current['institute_id']);
$this->activated[$current['institute_id']] = $institute->name;
}
$this->globally = $globally;
$this->atInst = $atInst;
}
/**
* (De-)Activates the given rule type for system wide usage.
*
* @param String $ruleType the class name of the rule type to activate.
*/
public function activate_action($ruleType)
{
CSRFProtection::verifyUnsafeRequest();
if (Request::submitted('submit')) {
$success = false;
$stmt = DBManager::get()->prepare("UPDATE `admissionrules` SET `active`=? WHERE `ruletype`=?");
$success = $stmt->execute([(bool) Request::get('enabled'), $ruleType]);
// Get corresponding rule id.
$stmt = DBManager::get()->prepare("SELECT `id` FROM `admissionrules` WHERE `ruletype`=? LIMIT 1");
$success = $stmt->execute([$ruleType]);
if ($data = $stmt->fetch(PDO::FETCH_ASSOC)) {
if (Request::get('enabled')) {
$stmt = DBManager::get()->prepare("DELETE FROM `admissionrule_inst`
WHERE `rule_id` IN (SELECT `id` FROM `admissionrules` WHERE `ruletype`=?);");
$success = $stmt->execute([$ruleType]);
if (Request::get(activated) == 'inst') {
$institutes = Request::getArray('institutes');
$query = "INSERT INTO `admissionrule_inst`
(`rule_id`, `institute_id`, `mkdate`)
VALUES ";
$params = [];
$first = true;
foreach ($institutes as $institute) {
if ($first) {
$first = false;
} else {
$query .= ", ";
}
$query .= "(?, ?, UNIX_TIMESTAMP())";
$params[] = $data['id'];
$params[] = $institute;
}
$stmt = DBManager::get()->prepare($query);
$success = $stmt->execute($params);
}
}
}
if ($success) {
PageLayout::postSuccess(_('Ihre Einstellungen wurden gespeichert.'));
} else {
PageLayout::postError(_('Ihre Einstellungen konnten nicht gespeichert werden.'));
}
}
$this->redirect('admission/ruleadministration');
}
public function save_compat_action()
{
CSRFProtection::verifyUnsafeRequest();
// Iterate over existing entries and check which ones must be deleted.
$matrix = AdmissionRuleCompatibility::getCompatibilityMatrix();
$values = Request::getArray('compat');
$to_delete = [];
$new = [];
foreach ($matrix as $type => $compat) {
/*
* Get entries that are in database, but not in request.
* These must be removed from database as they are not
* set anymore.
*/
$to_delete[$type] = array_diff($compat, $values[$type]);
/*
* Get entries that are in request data, but not in database.
* These must be inserted into DB.
*/
$new[$type] = array_diff($values[$type], $compat);
}
// Get types that are set in request but not present at all in DB.
foreach (array_diff(array_keys($values), array_keys($matrix)) as $newtype) {
$new[$newtype] = $values[$newtype];
}
// Get types that are set in matrix but not present at all in request.
foreach (array_diff(array_keys($matrix), array_keys($values)) as $oldtype) {
$to_delete[$oldtype] = $matrix[$oldtype];
}
$success = 0;
$fail = [];
// Process the entries that will be deleted.
foreach ($to_delete as $type => $compat) {
foreach ($compat as $ctype) {
$entry = AdmissionRuleCompatibility::find([$type, $ctype]);
if ($entry->delete()) {
$success++;
} else {
$fail[] = $type . ' => ' . $entry;
}
}
}
// Process the new entries.
foreach ($new as $type => $entries) {
foreach ($entries as $entry) {
$a = new AdmissionRuleCompatibility();
$a->rule_type = $type;
$a->compat_rule_type = $entry;
if ($a->store()) {
$success++;
} else {
$fail[] = $type . ' => ' . $entry;
}
}
}
if ($success > 0 && count($fail) == 0) {
PageLayout::postSuccess(_('Die Einstellungen zur Regelkompatibilität wurden gespeichert.'));
} else if ($success > 0 && count($fail) > 0) {
PageLayout::postWarning(_('Die Einstellungen zur '.
'Regelkompatibilität konnten nicht vollständig gespeichert '.
'werden. Es sind Probleme bei folgenden Einträgen aufgetreten:'),
$fail);
} else if (count($fail) > 0) {
PageLayout::postError(_('Die Einstellungen zur Regelkompatibilität konnten nicht gespeichert werden.'));
}
$this->relocate('admission/ruleadministration/compatibility');
}
/**
* Validate ticket (passed via request environment).
* This method always checks Request::quoted('ticket').
*
* @throws InvalidArgumentException if ticket is not valid
*/
private function check_ticket()
{
if (!check_ticket(Request::option('ticket'))) {
throw new InvalidArgumentException(_('Das Ticket für diese Aktion ist ungültig.'));
}
}
}
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