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<?php
class Course_ConnectedcoursesController extends AuthenticatedController
{
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
if (!$GLOBALS['perm']->have_studip_perm('tutor', Context::getId())) {
throw new AccessDeniedException();
}
}
public function index_action()
{
Navigation::activateItem('/course/admin/connectedcourses');
$this->connected = StudygroupCourse::findBySQL(
'INNER JOIN seminare ON (seminare.Seminar_id = studygroup_courses.course_id) WHERE studygroup_courses.studygroup_id = ? ORDER BY seminare.name ASC',
[
Context::getId()
]
);
$this->proposals = StudygroupCourseProposal::findBySQL(
'INNER JOIN seminare ON (seminare.Seminar_id = studygroup_courses_proposals.studygroup_id) WHERE studygroup_courses_proposals.studygroup_id = ? ORDER BY seminare.name ASC',
[
Context::getId()
]
);
$this->buildSidebar();
}
public function connect_action($course_id = null)
{
Navigation::activateItem('/course/admin/connectedcourses');
PageLayout::setTitle(_('Veranstaltung suchen und zur Verknüpfung vorschlagen'));
if (Request::isPost() && (Request::option('course_id') || $course_id)) {
CSRFProtection::verifySecurityToken();
$course_id = $course_id ?? Request::option('course_id');
$status = StudygroupModel::proposeAsStudygroupTo(Context::get(), $course_id);
if ($status === 'connected') {
PageLayout::postSuccess(_('Veranstaltung wurde verknüpft.'));
}
if ($status === 'proposed') {
PageLayout::postSuccess(_('Vorschlag wurde eingereicht.'));
}
$this->redirect('course/connectedcourses/index');
return;
}
$connected = StudygroupCourse::findBySQL(
'INNER JOIN seminare ON (seminare.Seminar_id = studygroup_courses.course_id) WHERE studygroup_courses.studygroup_id = ? ORDER BY seminare.name ASC',
[
Context::getId()
]
);
$proposals = StudygroupCourseProposal::findBySQL(
'INNER JOIN seminare ON (seminare.Seminar_id = studygroup_courses_proposals.studygroup_id) WHERE studygroup_courses_proposals.studygroup_id = ? ORDER BY seminare.name ASC',
[
Context::getId()
]
);
$already_covered = array_map(function($c) { return $c->course_id; }, $connected);
$already_covered = $already_covered + array_map(function($c) { return $c->course_id; }, $proposals);
$studygroup_ids = [];
foreach (SemClass::getClasses() as $sem_class) {
if ($sem_class['studygroup_mode'] > 0) {
foreach ($sem_class->getSemTypes() as $sem_type) {
$studygroup_ids[] = $sem_type['id'];
}
}
}
$this->my_courses = [];
if (!$GLOBALS['perm']->have_perm('admin')) {
$this->my_courses = Course::findBySQL('INNER JOIN `seminar_user` USING (`Seminar_id`)
LEFT JOIN `semester_courses` ON (`seminare`.`Seminar_id` = `semester_courses`.`course_id`)
WHERE `seminar_user`.`user_id` = :user_id
AND `seminare`.`status` NOT IN (:studygroup_sem_types)
AND (`semester_courses`.`semester_id` IS NULL OR `semester_courses`.`semester_id` = :semester_id)
AND `seminare`.`Seminar_id` NOT IN (:ignore)
ORDER BY `seminare`.`name` ASC ',
[
'user_id' => User::findCurrent()->id,
'studygroup_sem_types' => $studygroup_ids,
'semester_id' => Request::get('semester_id') ?? Semester::findCurrent()->id,
'ignore' => count($already_covered) ? $already_covered : ''
]);
foreach ($this->my_courses as $my_course) {
$already_covered[] = $my_course->id;
}
}
if (Request::get('search') && Request::get('search') != 1) {
//do the search:
$query = SQLQuery::table('seminare')
->where('search',
'`name` LIKE :search OR `VeranstaltungsNummer` LIKE :search',
['search' => '%' . Request::get('search') . '%']
)
->where(
'studygroups',
'`seminare`.`status` NOT IN (:sem_type_ids)',
['sem_type_ids' => $studygroup_ids]
)
->groupBy('`seminare`.`Seminar_id`');
if (count($already_covered) > 0) {
$query->where(
'ignore',
'`seminare`.`Seminar_id` NOT IN (:ignore)',
['ignore' => $already_covered]
);
}
if (!empty(Request::get('semester_id'))) {
$query->join(
'semester_courses',
'semester_courses',
'`semester_courses`.`course_id` = `seminare`.`Seminar_id`',
'LEFT JOIN'
);
$query->where(
'semester_id',
'semester_courses.semester_id = :semester_id OR semester_courses.semester_id IS NULL',
['semester_id' => Request::get('semester_id')]
);
}
$this->searchresults = $query->fetchAll(Course::class);
} else {
//get up to 10 courses with a lot of members of the current studygroup:
$statement = DBManager::get()->prepare("
SELECT `seminare`.*
FROM `seminar_user`
INNER JOIN `seminare` ON (`seminare`.`Seminar_id` = `seminar_user`.`Seminar_id`)
INNER JOIN `seminar_user` AS `su2` ON (`su2`.`user_id` = `seminar_user`.`user_id` AND `su2`.`Seminar_id` = :course_id)
LEFT JOIN `studygroup_courses` ON (`studygroup_courses`.`course_id` = `seminare`.`Seminar_id` AND `studygroup_courses`.`studygroup_id` = `su2`.`Seminar_id`)
WHERE `seminare`.`status` NOT IN (:studygroup_sem_types)
AND `studygroup_courses`.`id` IS NULL
AND `seminare`.`Seminar_id` NOT IN (:ignore)
GROUP BY `seminare`.`Seminar_id`
HAVING COUNT(`seminar_user`.`user_id`) > 1
ORDER BY COUNT(`seminar_user`.`user_id`) DESC
LIMIT 20
");
$statement->execute([
'course_id' => Context::getId(),
'studygroup_sem_types' => $studygroup_ids,
'ignore' => count($already_covered) ? $already_covered : ''
]);
$suggestions = $statement->fetchAll(PDO::FETCH_ASSOC);
$this->suggestions = array_map(function ($d) {
return Course::buildExisting($d);
}, $suggestions);
}
}
public function remove_action($course_id)
{
if (Request::isPost() && $course_id) {
CSRFProtection::verifySecurityToken();
StudygroupCourse::deleteBySQL('course_id = ? AND studygroup_id = ?', [
$course_id,
Context::getId()
]);
PageLayout::postSuccess(_('Verknüpfung zu der Veranstaltung wurde aufgehoben.'));
}
$this->redirect('course/connectedcourses/index');
}
public function decline_action(StudygroupCourseProposal $proposal)
{
if (Request::isPost()) {
CSRFProtection::verifySecurityToken();
if ($GLOBALS['perm']->have_studip_perm('tutor', $proposal['course_id']) || $GLOBALS['perm']->have_studip_perm('tutor', $proposal['studygroup_id'])) {
if ($proposal['proposed_from'] === 'course') {
PageLayout::postSuccess(_('Vorschlag wurde abgewiesen.'));
$statement = DBManager::get()->prepare("
SELECT `username`, `user_id`
FROM `auth_user_md5`
INNER JOIN `seminar_user` USING (`user_id`)
WHERE `seminar_user`.`Seminar_id` = ? AND `seminar_user`.`status` IN ('tutor', 'dozent')
");
$statement->execute([$proposal['course_id']]);
$messaging = new messaging();
foreach ($statement->fetchAll(PDO::FETCH_ASSOC) as $user_data) {
setTempLanguage($user_data['user_id']);
$messaging->insert_message(
sprintf(
_('Ihr Vorschlag, die Studiengruppe „%1$s“ mit der Veranstaltung „%2$s“ zu verknüpfen, wurde leider abgewiesen.'),
Context::get()->getFullname(),
$proposal->studygroup->getFullname()
),
$user_data['username'],
'____%system%____',
'',
'',
'',
'',
_('Verknüpfungsvorschlag abgewiesen'),
'',
'normal',
['Studiengruppe']
);
restoreLanguage();
}
} else {
PageLayout::postSuccess(_('Vorschlag wurde zurückgezogen.'));
}
$proposal->delete();
}
}
$this->redirect('course/connectedcourses/index');
}
protected function buildSidebar()
{
$actions = new ActionsWidget();
$actions->addLink(
_('Verknüpfung vorschlagen'),
$this->url_for('course/connectedcourses/connect'),
Icon::create('add'),
['data-dialog' => 1]
);
Sidebar::Get()->addWidget($actions);
}
}
|
