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Course.php 95.21 KiB
<?php
/**
* Course.php
* model class for table seminare
*
* 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 André Noack <noack@data-quest.de>
* @copyright 2012 Stud.IP Core-Group
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
*
* @property string $id alias column for seminar_id
* @property string $seminar_id database column
* @property string|null $veranstaltungsnummer database column
* @property string $institut_id database column
* @property I18NString $name database column
* @property I18NString|null $untertitel database column
* @property int $status database column
* @property I18NString $beschreibung database column
* @property I18NString|null $ort database column
* @property string|null $sonstiges database column
* @property int $lesezugriff database column
* @property int $schreibzugriff database column
* @property I18NString|null $art database column
* @property I18NString|null $teilnehmer database column
* @property I18NString|null $vorrausetzungen database column
* @property I18NString|null $lernorga database column
* @property I18NString|null $leistungsnachweis database column
* @property int $mkdate database column
* @property int $chdate database column
* @property string|null $ects database column
* @property int|null $admission_turnout database column
* @property int|null $admission_binding database column
* @property int $admission_prelim database column
* @property string|null $admission_prelim_txt database column
* @property int $admission_disable_waitlist database column
* @property int $visible database column
* @property int|null $showscore database column
* @property string|null $aux_lock_rule database column
* @property int $aux_lock_rule_forced database column
* @property string|null $lock_rule database column
* @property int $admission_waitlist_max database column
* @property int $admission_disable_waitlist_move database column
* @property int $completion database column
* @property string|null $parent_course database column
* @property SimpleORMapCollection|CourseTopic[] $topics has_many CourseTopic
* @property SimpleORMapCollection|CourseDate[] $dates has_many CourseDate
* @property SimpleORMapCollection|CourseExDate[] $ex_dates has_many CourseExDate
* @property SimpleORMapCollection|CourseMember[] $members has_many CourseMember
* @property SimpleORMapCollection|Deputy[] $deputies has_many Deputy
* @property SimpleORMapCollection|Statusgruppen[] $statusgruppen has_many Statusgruppen
* @property SimpleORMapCollection|AdmissionApplication[] $admission_applicants has_many AdmissionApplication
* @property SimpleORMapCollection|DatafieldEntryModel[] $datafields has_many DatafieldEntryModel
* @property SimpleORMapCollection|SeminarCycleDate[] $cycles has_many SeminarCycleDate
* @property SimpleORMapCollection|BlubberThread[] $blubberthreads has_many BlubberThread
* @property SimpleORMapCollection|ConsultationBlock[] $consultation_blocks has_many ConsultationBlock
* @property SimpleORMapCollection|RoomRequest[] $room_requests has_many RoomRequest
* @property SimpleORMapCollection|Course[] $children has_many Course
* @property SimpleORMapCollection|ToolActivation[] $tools has_many ToolActivation
* @property SimpleORMapCollection|CourseMemberNotification[] $member_notifications has_many CourseMemberNotification
* @property SimpleORMapCollection|Courseware\Unit[] $courseware_units has_many Courseware\Unit
* @property Institute $home_institut belongs_to Institute
* @property AuxLockRule|null $aux belongs_to AuxLockRule
* @property Course|null $parent belongs_to Course
* @property SimpleORMapCollection|Semester[] $semesters has_and_belongs_to_many Semester
* @property SimpleORMapCollection|StudipStudyArea[] $study_areas has_and_belongs_to_many StudipStudyArea * @property SimpleORMapCollection|Institute[] $institutes has_and_belongs_to_many Institute
* @property SimpleORMapCollection|UserDomain[] $domains has_and_belongs_to_many UserDomain
* @property-read mixed $teachers additional field
* @property mixed $start_semester additional field
* @property mixed $end_semester additional field
* @property-read mixed $semester_text additional field
* @property-read mixed $config additional field
*/
class Course extends SimpleORMap implements Range, PrivacyObject, StudipItem, FeedbackRange, Studip\Calendar\Owner
{
/**
* @var Semester initial start semester.
*/
protected $initial_start_semester;
/**
* @var Semester initial end semester.
*/
protected $initial_end_semester;
/**
* @var array|null Currently assigned institutes, used for tracking changes
*/
protected $currently_assigned_institutes = null;
protected static function configure($config = [])
{
$config['db_table'] = 'seminare';
$config['has_many']['topics'] = [
'class_name' => CourseTopic::class,
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['dates'] = [
'class_name' => CourseDate::class,
'assoc_foreign_key' => 'range_id',
'on_delete' => 'delete',
'on_store' => 'store',
'order_by' => 'ORDER BY date'
];
$config['has_many']['ex_dates'] = [
'class_name' => CourseExDate::class,
'assoc_foreign_key' => 'range_id',
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['members'] = [
'class_name' => CourseMember::class,
'assoc_func' => 'findByCourse',
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['deputies'] = [
'class_name' => Deputy::class,
'assoc_func' => 'findByRange_id',
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['statusgruppen'] = [
'class_name' => Statusgruppen::class,
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['admission_applicants'] = [
'class_name' => AdmissionApplication::class,
'assoc_func' => 'findByCourse',
'on_delete' => 'delete',
'on_store' => 'store',
]; $config['has_many']['datafields'] = [
'class_name' => DatafieldEntryModel::class,
'assoc_func' => 'findByModel',
'assoc_foreign_key' => function ($model, $params) {
$model->setValue('range_id', $params[0]->id);
},
'foreign_key' => function ($course) {
return [$course];
},
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['cycles'] = [
'class_name' => SeminarCycleDate::class,
'assoc_func' => 'findBySeminar',
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['scm_entries'] = [
'class_name' => StudipScmEntry::class,
'assoc_foreign_key' => 'range_id',
'on_delete' => 'delete',
'on_store' => 'store'
];
$config['has_many']['wiki_pages'] = [
'class_name' => WikiPage::class,
'assoc_foreign_key' => 'range_id',
'on_delete' => 'delete',
'on_store' => 'store'
];
$config['has_many']['news'] = [
'class_name' => StudipNews::class,
'thru_table' => 'news_range',
'thru_key' => 'range_id',
'thru_assoc_key' => 'news_id',
];
$config['has_many']['blubberthreads'] = [
'class_name' => BlubberThread::class,
'assoc_func' => 'findBySeminar',
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_many']['consultation_blocks'] = [
'class_name' => ConsultationBlock::class,
'assoc_foreign_key' => 'range_id',
'on_delete' => 'delete',
];
$config['has_and_belongs_to_many']['semesters'] = [
'class_name' => Semester::class,
'thru_table' => 'semester_courses',
'thru_key' => 'course_id',
'thru_assoc_key' => 'semester_id',
'order_by' => 'ORDER BY beginn ASC',
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['belongs_to']['home_institut'] = [
'class_name' => Institute::class,
'foreign_key' => 'institut_id',
'assoc_func' => 'find',
];
$config['belongs_to']['aux'] = [
'class_name' => AuxLockRule::class,
'foreign_key' => 'aux_lock_rule',
];
$config['has_and_belongs_to_many']['study_areas'] = [
'class_name' => StudipStudyArea::class,
'thru_table' => 'seminar_sem_tree', 'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_and_belongs_to_many']['institutes'] = [
'class_name' => Institute::class,
'thru_table' => 'seminar_inst',
'thru_key' => 'seminar_id',
'thru_assoc_key' => 'institut_id',
'on_delete' => 'delete',
'on_store' => 'store',
];
$config['has_and_belongs_to_many']['domains'] = [
'class_name' => UserDomain::class,
'thru_table' => 'seminar_userdomains',
'on_delete' => 'delete',
'on_store' => 'store',
'order_by' => 'ORDER BY name',
];
$config['has_many']['room_requests'] = [
'class_name' => RoomRequest::class,
'assoc_foreign_key' => 'course_id',
'on_delete' => 'delete',
];
$config['has_many']['resource_bookings'] = [
'class_name' => ResourceBooking::class,
'assoc_foreign_key' => 'range_id',
'on_delete' => 'delete'
];
$config['belongs_to']['parent'] = [
'class_name' => Course::class,
'foreign_key' => 'parent_course'
];
$config['has_many']['children'] = [
'class_name' => Course::class,
'assoc_foreign_key' => 'parent_course',
'order_by' => 'GROUP BY seminar_id ORDER BY VeranstaltungsNummer, Name'
];
$config['has_many']['tools'] = [
'class_name' => ToolActivation::class,
'assoc_foreign_key' => 'range_id',
'order_by' => 'ORDER BY position',
'on_delete' => 'delete',
];
$config['has_many']['member_notifications'] = [
'class_name' => CourseMemberNotification::class,
'on_delete' => 'delete',
];
$config['has_many']['config_values'] = [
'class_name' => ConfigValue::class,
'assoc_foreign_key' => 'range_id',
'on_store' => 'store',
'on_delete' => 'delete'
];
$config['has_many']['courseware_units'] = [
'class_name' => \Courseware\Unit::class,
'assoc_foreign_key' => 'range_id',
'on_delete' => 'delete',
];
$config['default_values']['lesezugriff'] = 1;
$config['default_values']['schreibzugriff'] = 1;
$config['additional_fields']['teachers'] = [
'get' => 'getTeachers'
];
$config['additional_fields']['start_semester'] = [
'get' => 'getStartSemester',
'set' => '_set_semester'
];
$config['additional_fields']['end_semester'] = [
'get' => 'getEndSemester',
'set' => '_set_semester'
];
$config['additional_fields']['semester_text'] = [
'get' => 'getTextualSemester'
];
$config['additional_fields']['config'] = [
'get' => function (Course $course) {
return $course->getConfiguration();
}
];
$config['notification_map']['after_create'] = 'CourseDidCreateOrUpdate';
$config['notification_map']['after_store'] = 'CourseDidCreateOrUpdate';
$config['i18n_fields']['name'] = true;
$config['i18n_fields']['untertitel'] = true;
$config['i18n_fields']['beschreibung'] = true;
$config['i18n_fields']['art'] = true;
$config['i18n_fields']['teilnehmer'] = true;
$config['i18n_fields']['vorrausetzungen'] = true;
$config['i18n_fields']['lernorga'] = true;
$config['i18n_fields']['leistungsnachweis'] = true;
$config['i18n_fields']['ort'] = true;
$config['registered_callbacks']['before_store'][] = 'logStore';
$config['registered_callbacks']['before_store'][] = 'handleInstitutes';
$config['registered_callbacks']['after_create'][] = 'setDefaultTools';
$config['registered_callbacks']['after_delete'][] = function (Course $course) {
CourseAvatar::getAvatar($course->id)->reset();
FeedbackElement::deleteBySQL('course_id = ?', [$course->id]);
// Remove subcourse relations, leaving subcourses intact.
DBManager::get()->execute(
"UPDATE `seminare` SET `parent_course` = NULL WHERE `parent_course` = :course",
['course' => $course->id]
);
//Delete forum entries:
foreach (PluginEngine::getPlugins(ForumModule::class) as $forum_tool) {
$forum_tool->deleteContents($course->id);
}
//Delete all files:
$folder = Folder::findTopFolder($course->id);
if ($folder) {
$folder->delete();
}
//Unlink all news and delete them in RSS feeds:
StudipNews::DeleteNewsRanges($course->id);
StudipNews::UnsetRssId($course->id);
//Cleanup remaining wiki table entries:
$query = 'DELETE FROM `wiki_links` WHERE `range_id` = ?';
DBManager::get()->execute($query, [$course->id]);
//Remove all entries of the course in calendars:
$query = 'DELETE FROM `schedule_courses` WHERE `course_id` = ?';
$statement = DBManager::get()->execute($query, [$course->id]);
//Remove all entries in object_user_vists for the course:
object_kill_visits(null, $course->id);
//Remove deputies: Deputy::deleteByRange_id($course->id);
//Remove user domains:
UserDomain::removeUserDomainsForSeminar($course->id);
//Remove auto-insert entries:
AutoInsert::deleteSeminar($course->id);
//Remove assignments to admission sets:
$cs = $course->getCourseSet();
if ($cs) {
CourseSet::removeCourseFromSet($cs->getId(), $course->id);
$cs->load();
if (!count($cs->getCourses()) && $cs->isGlobal() && $cs->getUserid() != '') {
$cs->delete();
}
}
AdmissionPriority::unsetAllPrioritiesForCourse($course->id);
//Create a log entry:
StudipLog::log('SEM_ARCHIVE', $course->id, NULL, $course->getFullName('number-name-semester'));
};
parent::configure($config);
}
/**
* @param string $relation
*/
public function initRelation($relation): void
{
if ($relation === 'semesters' && $this->relations[$relation] === null) {
parent::initRelation($relation);
$this->initial_start_semester = $this->getStartSemester();
$this->initial_end_semester = $this->getEndSemester();
} elseif ($relation === 'institutes' && $this->currently_assigned_institutes === null) {
parent::initRelation($relation);
$this->currently_assigned_institutes = array_filter(
$this->relations['institutes']->pluck('id'),
fn($inst_id) => $inst_id !== $this->getPristineValue('institut_id')
);
}
parent::initRelation($relation);
}
/**
* Override of SimpleORMap::cbAfterInitialize for resetting the flags that indicate semester changes.
*
* @see SimpleORMap::cbAfterInitialize
*/
protected function cbAfterInitialize($cb_type): void
{
parent::cbAfterInitialize($cb_type);
//Reset the flags for the start and end semester:
$this->initial_start_semester = null;
$this->initial_end_semester = null;
$this->currently_assigned_institutes = null;
}
/**
* Returns the currently active course or false if none is active.
*
* @return Course object of currently active course, null otherwise
* @since 3.0
*/
public static function findCurrent()
{
if (Context::isCourse()) {
return Context::get();
}
return null;
}
/**
* Returns the associated mvv modules for a given course id.
*
* @param string $course_id
* @param array|null $statusses Limit the results by a given module status
* @return Modul[]
*/
public static function getMVVModulesForCourseId(string $course_id, ?array $statusses = null): array
{
$query = "SELECT mvv_modul.*
FROM mvv_lvgruppe_seminar
JOIN `mvv_lvgruppe` ON (`mvv_lvgruppe_seminar`.`lvgruppe_id` = `mvv_lvgruppe`.`lvgruppe_id`)
JOIN `mvv_lvgruppe_modulteil` ON (`mvv_lvgruppe_seminar`.`lvgruppe_id` = `mvv_lvgruppe_modulteil`.`lvgruppe_id`)
JOIN `mvv_modulteil` ON (`mvv_lvgruppe_modulteil`.`modulteil_id` = `mvv_modulteil`.`modulteil_id`)
JOIN `mvv_modul` ON (`mvv_modulteil`.`modul_id` = `mvv_modul`.`modul_id`)
WHERE seminar_id = ?";
$parameters = [$course_id];
if ($statusses !== null) {
$query .= ' AND `mvv_modul`.`stat` IN (?)';
$parameters[] = $statusses;
}
return DBManager::get()->fetchAll($query, $parameters, function ($row) {
return Modul::buildExisting($row);
});
}
public function _set_semester($field, $value)
{
$method = 'set' . ($field === 'start_semester' ? 'StartSemester' : 'EndSemester');
$this->$method($value);
}
/**
* @param Semester $semester
*/
public function setStartSemester(Semester $semester)
{
$end_semester = $this->semesters->last();
$start_semester = $this->semesters->first();
if ($start_semester && $start_semester->id === $semester->id) {
return;
}
if ($end_semester) {
if (count($this->semesters) > 1 && $end_semester->beginn < $semester->beginn) {
throw new InvalidArgumentException('start-semester must start before end-semester');
}
foreach ($this->semesters as $key => $one_semester) {
if ($one_semester->beginn < $semester->beginn) {
$this->semesters->offsetUnset($key);
}
}
}
$this->semesters[] = $semester;
$this->semesters->orderBy('beginn asc');
//add possibly missing semesters between start_semester and end_semester
if (count($this->semesters) > 1 && $semester->beginn < $start_semester->beginn) {
$this->setEndSemester($end_semester);
}
}
/**
* @param Semester|null $semester
*/
public function setEndSemester(?Semester $semester) {
$end_semester = $this->semesters->last();
$start_semester = $this->semesters->first();
if (
(is_null($end_semester) && is_null($semester))
|| ($end_semester && $semester && $end_semester->id === $semester->id)) {
return;
}
if ($start_semester) {
if ($semester && $start_semester->beginn > $semester->beginn) {
throw new InvalidArgumentException('end-semester must start after start-semester');
}
$this->semesters = [];
if ($semester) {
$all_semester = SimpleCollection::createFromArray(Semester::getAll());
$this->semesters = $all_semester->findBy('beginn', [$start_semester->beginn, $semester->beginn], '>=<=');
}
} else {
if ($semester) {
$this->semesters[] = $semester;
}
}
}
/**
* Retrieves the first semester of a course, if applicable.
*
* @returns Semester|null Either the first semester of the course
* or null, if no semester could be found.
*/
public function getStartSemester()
{
//this is called by __get() and therefore using magic properties is not always safe
if ($this->relations['semesters'] === null) {
$this->initRelation('semesters');
}
return $this->relations['semesters']->first() ?? Semester::findCurrent();
}
/**
* Retrieves the last semester of a course, if applicable.
*
* @returns Semester|null Either the last semester of the course
* or null, if no semester could be found.
*/
public function getEndSemester()
{
//this is called by __get() and therefore using magic properties is not always safe
if ($this->relations['semesters'] === null) {
$this->initRelation('semesters');
}
return $this->relations['semesters']->last();
}
/**
* Returns the readable semester duration as as string
* @return string : readable semester
*/
public function getTextualSemester()
{
if (count($this->semesters) > 1) {
return $this->start_semester->short_name . ' - ' . $this->end_semester->short_name;
} elseif (count($this->semesters) === 1) {
return $this->start_semester->short_name;
} else {
return _('unbegrenzt');
}
}
/** * Returns true if this course has no end-semester. Else false.
* @return bool : true if there is no end-semester
*/
public function isOpenEnded()
{
return count($this->semesters) === 0;
}
/**
* Returns if this course is in the given semester
* @param Semester $semester : instance of the given semester
* @return bool : true if this course is part of this semester
*/
public function isInSemester(Semester $semester)
{
if (count($this->semesters) > 0) {
foreach ($this->semesters as $s) {
if ($s->id === $semester->id) {
return true;
}
}
return false;
} else {
return true;
}
}
public function getTeachers()
{
return $this->members->filter(function ($m) {
return $m['status'] === 'dozent';
});
}
public function getFreeSeats() : int
{
$free_seats = $this->admission_turnout - $this->getNumParticipants();
return max($free_seats, 0);
}
public function isWaitlistAvailable()
{
if ($this->admission_disable_waitlist) {
return false;
}
if ($this->admission_waitlist_max) {
return $this->admission_waitlist_max - $this->getNumWaiting() > 0;
}
return true;
}
/**
* Determines whether the course has at least one course set attached to it.
*
* @return bool True, if the course has at least one course set, false otherwise.
*/
public function hasCourseSet() : bool
{
return $this->getCourseSet() !== null;
}
/**
* Retrieves the course set of th course, if the course is associated to a course set.
*
* @return CourseSet|null The course set of the course, if it is associated to one.
*/
public function getCourseSet() : ?CourseSet
{ return CourseSet::getSetForCourse($this->id);
}
/**
* Determines whether the number of participants in this course is limited
* by a course set whose seat distribution is enabled.
*
* @return boolean True, if a course set exists and its seat distribution is enabled,
* false otherwise.
*/
public function isAdmissionEnabled() : bool
{
$cs = $this->getCourseSet();
return $cs && $cs->isSeatDistributionEnabled();
}
/**
* Determines by the course set of the course (if any), whether the admission
* is locked or not.
*
* @return bool True, if the admission is locked, false otherwise.
*/
public function isAdmissionLocked() : bool
{
$cs = $this->getCourseSet();
return $cs && $cs->hasAdmissionRule('LockedAdmission');
}
/**
* Determines by looking at the course set (if any), whether the course
* is password protected or not.
*
* @return bool True, fi the course is password protected, false otherwise.
*/
public function isPasswordProtected() : bool
{
$cs = $this->getCourseSet();
return $cs && $cs->hasAdmissionRule('PasswordAdmission');
}
/**
* Determines if there is an admission time frame for this course by looking
* at the course set (if any). If such a time frame exists, it is returned
* as an associative array with the start and end timestamp.
*
* @returns array An associative array with the array keys "start_time" and "end_time"
* containing the start and end timestamp of the admission. In case no such time
* frame exists, an empty array is returned instead.
*/
public function getAdmissionTimeFrame() : array
{
$cs = $this->getCourseSet();
if ($cs && $cs->hasAdmissionRule(TimedAdmission::class)) {
$rule = $cs->getAdmissionRule(TimedAdmission::class);
return [
'start_time' => $rule->getStartTime(),
'end_time' => $rule->getEndTime()
];
}
return [];
}
/**
* Adds a user as preliminary member to this course.
*
* @param User $user The user to be added as preliminary member.
* @param string $comment An optional comment for the preliminary membership.
*
* @return AdmissionApplication The AdmissionApplication object for the preliminary membership.
* * @throws \Studip\Exception In case the user cannot be added as preliminary member.
*/
public function addPreliminaryMember(User $user, string $comment = '') : AdmissionApplication
{
$new_admission_member = new AdmissionApplication();
$new_admission_member->user_id = $user->id;
$new_admission_member->position = 0;
$new_admission_member->status = 'accepted';
$new_admission_member->comment = $comment;
$this->admission_applicants[] = $new_admission_member;
if (!$new_admission_member->store()) {
throw new \Studip\Exception(
sprintf(
_('%1$s konnte nicht als vorläufig teilnehmende Person zur Veranstaltung %2$s hinzugefügt werden.'),
$user->getFullName(),
$this->name
),
'add_preliminary_failed'
);
}
if ($this->isStudygroup()) {
StudygroupModel::applicationNotice($this->id, $user->id);
}
$course_set = $this->getCourseSet();
if ($course_set) {
AdmissionPriority::unsetPriority($course_set->getId(), $user->id, $this->id);
}
//Create a log entry:
StudipLog::log('SEM_USER_ADD', $this->id, $user->id, 'accepted', 'Vorläufig akzeptiert');
return $new_admission_member;
}
/**
* Removes a preliminary member from the course.
*
* @param User $user The member to be removed.
*
* @throws \Studip\Exception In case the user is not a preliminary member or in case they
* cannot be removed as preliminary member.
*/
public function removePreliminaryMember(User $user) : void
{
//Get the status of the user first:
$application = AdmissionApplication::findOneBySQL(
'seminar_id = :course_id AND user_id = :user_id',
[
'course_id' => $this->id,
'user_id' => $user->id
]
);
if (!$application) {
throw new \Studip\Exception(
sprintf(
_('%1$s ist nicht als vorläufig teilnehmende Person in der Veranstaltung %2$s eingetragen.'),
$user->getFullName(),
$this->name
),
'preliminary_member_not_found'
);
}
$deleted_from_course_set = false;
$course_set = $this->getCourseSet();
if ($course_set) {
$deleted_from_course_set = AdmissionPriority::unsetPriority(
$course_set->getId(),
$user->id, $this->id
);
}
if ($application->delete() || $deleted_from_course_set) {
setTempLanguage($user->id);
$message = '';
if ($application->status === 'accepted') {
$message = studip_interpolate(
_('Ihre vorläufige Anmeldung zur Veranstaltung %{name} wurde aufgehoben. Sie sind damit __nicht__ zugelassen worden.'),
['name' => $this->getFullName()]
);
} else {
$message = studip_interpolate(
_('Sie wurden von der Warteliste der Veranstaltung %{name} gestrichen. Sie sind damit __nicht__ zugelassen worden.'),
['name' => $this->getFullName()]
);
}
$messaging = new messaging();
$messaging->insert_message(
$message,
$user->username,
'____%system%____',
false,
false,
'1',
false,
studip_interpolate(
_('%{course_name}: Sie wurden nicht zugelassen!'),
['course_name' => $this->getFullName()]
),
true
);
restoreLanguage();
StudipLog::log('SEM_USER_DEL', $this->id, $user->id, 'Wurde aus der Veranstaltung entfernt');
} else {
throw new \Studip\Exception(
sprintf(
_('%1$s konnte nicht als vorläufig teilnehmende Person aus der Veranstaltung %2$s entfernt werden.'),
$user->getFullName(),
$this->name
),
'remove_preliminary_failed'
);
}
}
/**
* Adds a user to the waitlist of this course.
*
* @param User $user The user to be added onto the waitlist.
*
* @param int $position The position of the user on the waitlist.
*
* @param bool $send_mail Whether to send a mail to the user that has been added
* (true) or not (false). Defaults to true.
*
* @return AdmissionApplication The AdmissionApplication object for the added user.
*
* @throws \Studip\Exception In case the user cannot be added onto the waitlist.
*/
public function addMemberToWaitlist(
User $user,
int $position = PHP_INT_MAX,
bool $send_mail = true
) : AdmissionApplication
{
$member_exists = AdmissionApplication::exists([$user->id, $this->id])
|| CourseMember::find([$this->id, $user->id]);
if ($member_exists) {
throw new \Studip\EnrolmentException( sprintf(
_('%1$s ist bereits Mitglied der Veranstaltung %2$s.'),
$user->getFullName(),
$this->name
),
\Studip\EnrolmentException::ALREADY_MEMBER
);
}
if ($position === PHP_INT_MAX) {
//Append the user to the end of the waitlist.
//NOTE: If this method is called two times at the same time for the
//same course, there may be course members with the same position!
$position = DBManager::get()->fetchColumn(
"SELECT MAX(`position`)
FROM `admission_seminar_user`
WHERE `seminar_id` = :course_id
AND `status`='awaiting'",
['course_id' => $this->id]
);
if ($position === false) {
//No members on the waitlist.
$position = 0;
}
}
$new_admission_member = new AdmissionApplication();
$new_admission_member->user_id = $user->id;
$new_admission_member->position = strval($position);
$new_admission_member->status = 'awaiting';
$new_admission_member->seminar_id = $this->id;
if (!$new_admission_member->store()) {
throw new \Studip\EnrolmentException(
sprintf(
_('%1$s konnte nicht auf die Warteliste der Veranstaltung %2$s gesetzt werden.'),
$user->getFullName(),
$this->name
),
\Studip\EnrolmentException::ADD_AWAITING_FAILED
);
}
//Reset the admission_applicants relation:
$this->resetRelation('admission_applicants');
//Renumber all members on the waitlist:
AdmissionApplication::renumberAdmission($this->id);
//Create a log entry:
StudipLog::log(
'SEM_USER_ADD',
$this->id,
$user->id,
'awaiting',
sprintf('Auf Warteliste gesetzt, Position: %u', $position)
);
if ($send_mail) {
setTempLanguage($user->id);
$body = sprintf(
_('Sie wurden auf die Warteliste der Veranstaltung %s gesetzt.'),
$this->getFullName()
);
$messaging = new messaging();
$messaging->insert_message(
$body,
$user->username,
'____%system%____',
false,
false,
'1',
false, _('Auf die Warteliste einer Veranstaltung eingetragen'),
true
);
restoreLanguage();
}
//Everything went fine: Re-load the new admission member before returning it,
//since its position number may have changed during renumbering:
return AdmissionApplication::findOneBySQL(
'`user_id` = :user_id AND `seminar_id` = :course_id',
['user_id' => $user->id, 'course_id' => $this->id]
);
}
/**
* Retrieves the course category for this course.
*
* @return SeminarCategories The category object of the course.
*/
public function getCourseCategory() : SeminarCategories
{
return SeminarCategories::GetByTypeId($this->status);
}
/**
* Retrieves all members of a status
*
* @param String|Array $status the status to filter with
* @param bool $as_collection return collection instead of array?
* @return CourseMember[]|SimpleCollection an array of all those members.
*/
public function getMembersWithStatus($status, $as_collection = false)
{
$result = CourseMember::findByCourseAndStatus($this->id, $status);
return $as_collection
? SimpleCollection::createFromArray($result)
: $result;
}
/**
* Retrieves the number of all members of a status
*
* @param String|Array $status the status to filter with
*
* @return int the number of all those members.
*/
public function countMembersWithStatus($status)
{
return CourseMember::countByCourseAndStatus($this->id, $status);
}
/**
* Adds a user to this course.
*
* @param User $user The user to be added.
* @param string $permission_level The permission level the user shall get in the course.
* @param bool $regard_contingent Whether to regard the contingent of the course (true)
* or whether to ignore it (false). Defaults to true.
* @param bool $send_mail Whether to send a mail to the new participant (true) or not (false).
* Defaults to true.
* @param bool $renumber_admission Whether to call AdmissionApplication::renumberAdmission when
* the admission of the user has been removed (true) or whether not to renumber the admission
* entries (false). Defaults to true.
* Setting this parameter to false is useful when adding several users at once and then
* manually call AdmissionApplication::renumberAdmission so that the entries are renumbered
* only once after all the users have been added.
*
* @return CourseMember The CourseMember object for the user.
*
* @throws \Studip\EnrolmentException In case the user is already in the course but cannot get a higher permission level or * they are the only lecturer and can therefore not get a lower permission level.
*/
public function addMember(
User $user,
string $permission_level = 'autor',
bool $regard_contingent = true,
bool $send_mail = true,
bool $renumber_admission = true
) : CourseMember
{
//TODO: Put checks for entry into Course::getEnrolmentInformation.
//Checks regarding the promotion/demotion of users in courses shall be
//transferred to a new method.
if (!in_array($permission_level, ['user', 'autor', 'tutor', 'dozent'])) {
throw new \Studip\EnrolmentException(
_('Die Rechtestufe ist für die Eintragung in eine Veranstaltung unpassend.'),
\Studip\EnrolmentException::INVALID_PERMISSION_LEVEL
);
}
$db = DBManager::get();
//In case the course only allows users of the institute to be members,
//we must check if the user is a member of the institute:
$course_category = $this->getCourseCategory();
if ($course_category->only_inst_user) {
//Only institute members are allowed:
$stmt = $db->prepare(
"SELECT 1
FROM `user_inst`
JOIN `seminar_inst` USING (`institut_id`)
WHERE `user_inst`.`user_id` = :user_id
AND `seminar_inst`.`seminar_id` = :course_id"
);
$stmt->execute([
'course_id' => $this->id,
'user_id' => $user->id,
]);
$user_in_institute = $stmt->fetchColumn();
if (!$user_in_institute) {
throw new \Studip\EnrolmentException(
_('Die einzutragende Person ist kein Mitglied einer Einrichtung, zu der die Veranstaltung zugeordnet ist.'),
\Studip\EnrolmentException::NO_INSTITUTE_MEMBER
);
}
}
//Load the course member object:
$course_member = CourseMember::findOneBySQL(
'`seminar_id` = :course_id AND `user_id` = :user_id',
['course_id' => $this->id, 'user_id' => $user->id]
);
$new_member_position = $db->fetchColumn(
'SELECT MAX(`position`) + 1
FROM `seminar_user`
WHERE `status` = :status
AND `seminar_id` = :course_id',
['status' => $permission_level, 'course_id' => $this->id]
) ?? 0;
$number_of_lecturers = CourseMember::countByCourseAndStatus($this->id, 'dozent');
if (!$course_member) {
$course_member = new CourseMember();
$course_member->seminar_id = $this->id;
$course_member->user_id = $user->id;
$course_member->status = $permission_level;
}
$course_member->position = $new_member_position;
if (in_array($permission_level, ['tutor', 'dozent'])) { //Tutors and lecturers are always visible in the course:
$course_member->visible = 'yes';
} else {
//All others may decide for themselves:
$course_member->visible = 'unknown';
}
$ranks = array_flip(['user', 'autor', 'tutor', 'dozent']);
if ($course_member->isNew()) {
//The user shall be added to the course. Before storing, we must check
//if the contingent shall be regarded and if there is a free seat
//for the user:
//TODO: Move the following check back to controllers.
//Background: Lecturers may enforce the entry of a student, but the latter must not
//override the checks.
if (
$permission_level === 'autor'
&& $regard_contingent
&& $this->isAdmissionEnabled()
&& $this->getFreeSeats() < 1
) {
//There is no free seat to add another member.
throw new \Studip\EnrolmentException(
sprintf(
_('Für %s ist kein Platz mehr in der Veranstaltung frei.'),
$user->getFullName()
),
\Studip\EnrolmentException::COURSE_IS_FULL
);
}
$course_member->store();
//Delete the user from admission applications:
$application_removed = AdmissionApplication::deleteBySQL(
'`user_id` = :user_id AND `seminar_id` = :course_id',
['user_id' => $user->id, 'course_id' => $this->id]
);
if ($application_removed && $renumber_admission) {
//Renumber the waitlist or the other admission list:
AdmissionApplication::renumberAdmission($this->id);
}
//Remove the user from the course set, if any:
$course_set = $this->getCourseSet();
$removed_from_course_set = 0;
if ($course_set) {
$removed_from_course_set = AdmissionPriority::unsetPriority($course_set->getId(), $user->id, $this->id);
}
if ($permission_level === 'dozent' && Config::get()->DEPUTIES_ENABLE) {
//Delete a possible deputy entry for the lecturer:
$deputy = Deputy::find([$this->id, $user->id]);
if ($deputy) {
$deputy->delete();
}
//Assign all default deputies of the lecturer to the course
//if they are not already a lecturer of the course:
$unassigned_deputies = Deputy::findBySQL(
"`range_id` = :lecturer_id
AND `user_id` NOT IN (
SELECT `user_id` FROM `seminar_user`
WHERE `seminar_id` = :course_id
AND `status` = 'dozent'
)",
[
'lecturer_id' => $user->id, 'course_id' => $this->id
]
);
foreach ($unassigned_deputies as $deputy) {
Deputy::addDeputy($deputy->user_id, $this->id);
}
}
//Delete course entries in the schedule:
ScheduleCourseDate::deleteBySQL(
'user_id = :user_id AND course_id = :course_id',
[
'user_id' => $user->id,
'course_id' => $this->id
]
);
//Log the event:
StudipLog::log('SEM_USER_ADD', $this->id, $user->id, $permission_level, 'Wurde in die Veranstaltung eingetragen');
if ($this->parent instanceof Course) {
$this->parent->addMember($user, $permission_level, false);
}
if ($send_mail) {
setTempLanguage($user->id);
$body = '';
$subject = '';
if ($application_removed) {
//Enrolment after being on the wait list:
$subject = _('Zulassung zur Veranstaltung');
$body = sprintf(
_('Sie wurden für die Veranstaltung %s zugelassen. Ihr Eintrag auf der Warteliste wurde daher entfernt.'),
$this->getFullName()
);
} elseif ($removed_from_course_set) {
//Enrolment after being in a course set:
$subject = _('Zulassung zur Veranstaltung');
$body = sprintf(
_('Sie wurden für die Veranstaltung %s endgültig zugelassen.'),
$this->getFullName()
);
} else {
//Direct enrolment without waitlist or course set:
$subject = _('Eintragung in Veranstaltung');
$body = sprintf(
_('Sie wurden in die Veranstaltung %s eingetragen.'),
$this->getFullName()
);
}
$messaging = new messaging();
$messaging->insert_message(
$body,
$user->username,
'____%system%____',
false,
false,
'1',
false,
$subject,
true
);
restoreLanguage();
}
} elseif ($ranks[$course_member->status] < $ranks[$permission_level]
&& $course_member->status !== 'dozent' || $number_of_lecturers > 1) {
//The user is already a member of the course. They shall either be promoted
//or they are not a lecturer or there is more than one lecturer in the course
//(please read this multiple times in case you are unsure about these conditions).
$course_member->status = $permission_level;
$course_member->position = $new_member_position;
$success = !$course_member->isDirty() || $course_member->store();
if (!$success) {
throw new \Studip\EnrolmentException(
_('Die Person kann nicht hochgestuft werden.'),
\Studip\EnrolmentException::PROMOTION_NOT_POSSIBLE
);
}
} elseif ($course_member->status === 'dozent' && $number_of_lecturers <= 1) {
throw new \Studip\EnrolmentException(
sprintf(
_('Die Person kann nicht herabgestuft werden, da mindestens eine lehrende Person (%1$s) in die Veranstaltung eingetragen sein muss! Tragen Sie deshalb zuerst eine weitere Person als lehrende Person (%1$s) ein und versuchen Sie es dann erneut!'),
get_title_for_status('dozent', 1, $this->status)
),
\Studip\EnrolmentException::DEMOTION_NOT_POSSIBLE
);
}
$this->resetRelation('members');
return $course_member;
}
/**
* Removes a user from this course.
*
* @param User $user The user to be removed.
* @param bool $send_mail Whether to send a mail after the membership deletion
* (true) or not (false). Defaults to false.
*
* @return void If this method does not throw, everything went fine.
*
* @throws \Studip\MembershipException If the user cannot be removed from the course.
*/
public function deleteMember(User $user, bool $send_mail = false) : void
{
$membership = CourseMember::find([$this->id, $user->id]);
if (!$membership) {
//The user is not a member of the course.
throw new \Studip\MembershipException(
sprintf(
_('%1$s ist kein Mitglied der Veranstaltung %2$s.'),
$user->getFullName(),
$this->name
),
\Studip\MembershipException::NOT_A_MEMBER,
$user
);
}
if ($membership->status === 'dozent') {
//Check if there are enough lecturers left:
$lecturer_amount = CourseMember::countByCourseAndStatus($this->id, 'dozent');
if ($lecturer_amount < 2) {
//Not enough lecturers left.
throw new \Studip\MembershipException(
sprintf(
_('In die Veranstaltung muss mindestens eine lehrende Person (%s) eingetragen sein. Um diese Person aus der Veranstaltung zu entfernen, muss zunächst eine weitere lehrende Person eingetragen werden.'),
get_title_for_status('dozent', 1, $this->status)
),
\Studip\MembershipException::USER_IS_SOLE_LECTURER,
$user
);
}
}
//At this point, the user may be removed.
$success = $membership->delete(); if (!$success) {
throw new \Studip\MembershipException(
sprintf(
_('Es trat ein Fehler auf beim Austragen von %1$s aus der Veranstaltung %2$s.'),
$user->getFullName(),
$this->getFullname()
),
\Studip\MembershipException::REMOVAL_FAILED,
$user
);
}
if ($this->parent_course) {
//This course has a parent course.
//Delete the user from the parent course if they are not part of
//one of the other child courses.
$other_memberships = CourseMember::countBySql(
'JOIN `seminare` USING (`seminar_id`)
WHERE `user_id` = :user_id
AND `parent_course` = :parent_course_id
AND `seminar_id` <> :this_course_id',
[
'user_id' => $user->id,
'parent_course_id' => $this->parent->id,
'this_course_id' => $this->id
]
);
if ($other_memberships === 0) {
//No other memberships. We can delete the user from the parent course.
$this->parent->deleteMember($user);
}
}
if ($this->children) {
//The other way around: This course has child courses and because the user
//has been removed from this course, they shall also be removed from all
//child courses.
foreach ($this->children as $child) {
$child->deleteMember($user);
}
}
if ($send_mail) {
$messaging = new messaging();
setTempLanguage($user->id);
$subject = sprintf(_('%s: Anmeldung aufgehoben'), $this->getFullName());
$body = sprintf(_('Ihre Anmeldung für die Veranstaltung %s wurde aufgehoben.'), $this->getFullName());
$messaging->insert_message(
$body,
$user->username,
'____%system%____',
false,
false,
'1',
false,
$subject,
true
);
restoreLanguage();
}
if ($membership->status === 'dozent') {
//Special treatment for lecturers:
//Remove them from course dates and remove them as deputies.
$db = DBManager::get();
$stmt = $db->prepare(
'DELETE FROM `termin_related_persons`
WHERE `user_id` = :user_id
AND `range_id` IN ( SELECT `termin_id` FROM `termine`
WHERE `range_id` = :course_id
)'
);
$stmt->execute(['course_id' => $this->id, 'user_id' => $user->id]);
if (Deputy::isActivated()) {
//For all courses where the user is a deputy, they can be removed as deputy
//from the course, if the other lecturers are no deputies and the current user
//is not a deputy:
$all_user_deputy_duties = Deputy::findByRange_id($user->id);
foreach ($all_user_deputy_duties as $deputy_duty) {
$other_deputy_amount = Deputy::countBySql(
"JOIN `seminar_user`
ON `seminar_user`.`user_id` = `deputies`.`range_id`
WHERE `seminar_user`.`user_id` <> :deleted_user_id
AND `seminar_user`.`status` = 'dozent'",
['deleted_user_id' => $user->id]
);
if ($other_deputy_amount === 0 && $GLOBALS['user']->id !== $deputy_duty->user_id) {
Deputy::deleteBySQL(
'`range_id` = :course_id AND `user_id` = :deputy_id',
['course_id' => $this->id, $deputy_duty->user_id]
);
}
}
}
}
//Delete data field entries that are related to the user and the course:
DatafieldEntryModel::deleteBySQL(
'`range_id` = :user_id AND `sec_range_id` = :course_id',
['user_id' => $user->id, 'course_id' => $this->id]
);
//Remove the user from course groups:
if ($this->statusgruppen) {
foreach ($this->statusgruppen as $group) {
$group->removeUser($user->id, true);
}
}
StudipLog::log('SEM_USER_DEL', $this->id, $user->id, 'Wurde aus der Veranstaltung entfernt');
$this->resetRelation('members');
}
/**
* Moves a regular course member back onto the waitlist.
*
* @param User $user The course member to be moved back to the waitlist.
* @param bool $send_mail Whether to send a mail to inform the user of them
* being moved back to the waitlist (true) or not (false). Defaults to false.
*
* @return void
*
* @throws \Studip\Exception In case the former course member cannot be moved to the waitlist.
*
* @throws \Studip\MembershipException In case the membership cannot be terminated.
*/
public function moveMemberToWaitlist(User $user, bool $send_mail = false): void
{
$this->deleteMember($user);
$this->addMemberToWaitlist($user, PHP_INT_MAX, false);
if ($send_mail) {
setTempLanguage($user->id);
$subject = studip_interpolate(
_('%{course}: Anmeldung aufgehoben, auf Warteliste gesetzt'),
['course' => $this->getFullName()] );
$message = studip_interpolate(
_('Sie wurden aus der Veranstaltung %{course} abgemeldet und auf die zugehörige Warteliste gesetzt.'),
['course' => $this->getFullName()]
);
messaging::sendSystemMessage($user->id, $subject, $message);
restoreLanguage();
}
}
/**
* Swaps the course member position with another member. This is done by specifying a course member
* and the new position where they shall be placed in the course.
*
* @param CourseMember $membership The course member to move to another position.
*
* @return int The new position of the course member.
*
* @throws \Studip\MembershipException In case when moving the member position was unsuccessful.
*/
public function swapMemberPosition(CourseMember $membership, int $new_position): int
{
//At this point, the user is not at the highest position.
//Load the member with the position $position + 1 and swap the positions.
$next_member = CourseMember::findOneBySQL(
'`seminar_id` = :course_id AND `status` = :permission_level AND `position` = :new_position',
[
'course_id' => $this->id,
'permission_level' => $membership->status,
'new_position' => strval($new_position)
]
);
$success = false;
if ($next_member) {
$swapped_position = $next_member->position;
$next_member->position = $membership->position;
$membership->position = $swapped_position;
$next_member->store();
$success = !$membership->isDirty() || $membership->store();
} else {
//There is a gap in the position numbers. The user can just be placed to the new position:
$membership->position = $new_position;
$success = !$membership->isDirty() || $membership->store();
}
if (!$success) {
//Something went wrong.
throw new \Studip\MembershipException(
sprintf(
_('%1$s konnte nicht an die Position %2$u verschoben werden.'),
$membership->user->getFullName(),
$new_position
),
\Studip\MembershipException::MOVING_POSITION_FAILED,
$membership->user
);
}
return (int) $membership->position;
}
/**
* Moves a course member one position up.
*
* @param User $user The user to move up.
*
* @return int The new position of the user.
*/
public function moveMemberUp(User $user) : int {
$membership = CourseMember::findOneBySQL(
'`seminar_id` = :course_id AND `user_id` = :user_id',
['course_id' => $this->id, 'user_id' => $user->id]
);
if (!$membership) {
//The user is not a member.
return -1;
}
if ($membership->position == 0) {
//The user is already at the highest position.
return 0;
}
return $this->swapMemberPosition($membership, intval($membership->position - 1));
}
/**
* Moves a course member one position down.
*
* @param User $user The user to move down.
*
* @return int The new position of the user.
*/
public function moveMemberDown(User $user) : int
{
$membership = CourseMember::findOneBySQL(
'`seminar_id` = :course_id AND `user_id` = :user_id',
['course_id' => $this->id, 'user_id' => $user->id]
);
if (!$membership) {
//The user is not a member.
return -1;
}
//Get the maximum number for the permission level in the course:
$stmt = DBManager::get()->prepare(
'SELECT MAX(`position`)
FROM `seminar_user`
WHERE `seminar_id` = :course_id
AND `status` = :permission_level'
);
$stmt->execute([
'course_id' => $this->id,
'permission_level' => $membership->status,
]);
$max_number = $stmt->fetchColumn();
if ($max_number === false) {
//Nothing there to move.
return -1;
}
if ($membership->position == $max_number) {
//The user is already at the lowest position.
return (int) $max_number;
}
return $this->swapMemberPosition($membership, intval($membership->position + 1));
}
public function getNumParticipants()
{
return $this->countMembersWithStatus('user autor') + $this->getNumPrelimParticipants();
}
public function getNumPrelimParticipants()
{
return AdmissionApplication::countBySql(
"seminar_id = ? AND status = 'accepted'",
[$this->id] );
}
public function getNumWaiting()
{
return AdmissionApplication::countBySql(
"seminar_id = ? AND status = 'awaiting'",
[$this->id]
);
}
public function getParticipantStatus($user_id)
{
$p_status = $this->members->findBy('user_id', $user_id)->val('status');
if (!$p_status) {
$p_status = $this->admission_applicants->findBy('user_id', $user_id)->val('status');
}
return $p_status;
}
/**
* Determines the enrolment status of the user and their possibilities
* to join the course.
*
* @param string $user_id The ID of the user for which to get enrolment information.
*
* @return \Studip\EnrolmentInformation The enrolment information
* for the specified user.
*/
public function getEnrolmentInformation(string $user_id) : \Studip\EnrolmentInformation
{
//Check the course itself:
if ($this->getSemClass()->isGroup()) {
return new \Studip\EnrolmentInformation(
_('Diese Veranstaltung ist die Hauptveranstaltung einer Veranstaltungsgruppe. Sie können sich nur in die zugehörigen Unterveranstaltungen eintragen.'),
\Studip\Information::INFO,
'main_course',
false
);
}
//Check if the user has root or admin permissions:
$user = User::find($user_id);
if ($GLOBALS['perm']->have_perm('root', $user_id)) {
return new \Studip\EnrolmentInformation(
_('Sie haben root-Rechte und dürfen damit alles in Stud.IP.'),
\Studip\Information::INFO,
'root',
true
);
}
if ($GLOBALS['perm']->have_studip_perm('admin', $this->id, $user_id)) {
return new \Studip\EnrolmentInformation(
_('Sie verwalten diese Veranstaltung.'),
\Studip\Information::INFO,
'course_admin',
true
);
}
if ($GLOBALS['perm']->have_perm('admin', $user_id)) {
return new \Studip\EnrolmentInformation(
_('Als administrierende Person dürfen Sie sich nicht in eine Veranstaltung eintragen.'),
\Studip\Information::INFO,
'admin',
false
); }
//Check the course membership:
if ($GLOBALS['perm']->have_studip_perm('user', $this->id, $user_id)) {
return new \Studip\EnrolmentInformation(
_('Sie sind bereits in der Veranstaltung eingetragen.'),
\Studip\Information::INFO,
'already_member',
true
);
}
//Check the course set and if the user is on an admission list:
if ($course_set = $this->getCourseSet()) {
$info = new \Studip\EnrolmentInformation('');
$info->setCodeword('course_set');
$info->setEnrolmentAllowed(true);
$message = _('Die Anmeldung zu dieser Veranstaltung folgt bestimmten Regeln.');
$priority = AdmissionPriority::getPrioritiesByUser($course_set->getId(), $user_id);
if (!empty($priority[$this->id])) {
if ($course_set->hasAdmissionRule('LimitedAdmission')) {
$message .= ' ' . sprintf(
_('Sie stehen auf der Anmeldeliste für die automatische Platzverteilung der Veranstaltung mit der Priorität %u.'),
$priority[$this->id]
);
} else {
$message .= ' ' . _('Sie stehen auf der Anmeldeliste für die automatische Platzverteilung der Veranstaltung.');
}
}
$info->setMessage($message);
return $info;
}
if ($this->lesezugriff == '0' && Config::get()->ENABLE_FREE_ACCESS && !$GLOBALS['perm']->get_studip_perm($this->id, $user_id)) {
return new \Studip\EnrolmentInformation(
_('Für diese Veranstaltung ist keine Anmeldung erforderlich.'),
\Studip\Information::INFO,
'free_access',
true
);
}
//Check the visibility of the course for the user:
if (
!$this->visible
&& !$this->isStudygroup()
&& !$GLOBALS['perm']->have_perm(Config::get()->SEM_VISIBILITY_PERM, $user_id)
) {
return new \Studip\EnrolmentInformation(
_('Sie dürfen sich in diese Veranstaltung nicht eintragen.'),
\Studip\Information::INFO,
'invisible',
false
);
}
//Check the lock rule for participants:
if (LockRules::Check($this->id, 'participants')) {
return new \Studip\EnrolmentInformation(
_('Sie dürfen sich in diese Veranstaltung nicht selbst eintragen.'),
\Studip\Information::INFO,
'locked',
false
);
}
//Check the permissions of users that are not root or admin:
if (!$user) {
return new \Studip\EnrolmentInformation(
_('Sie sind nicht in Stud.IP angemeldet und können sich daher nicht in die Veranstaltung eintragen.'),
\Studip\Information::WARNING,
'nobody',
false
);
}
if (!$GLOBALS['perm']->have_perm('user', $user_id)) {
return new \Studip\EnrolmentInformation(
_('Sie haben keine ausreichende Berechtigung, um sich in die Veranstaltung einzutragen.'),
\Studip\Information::INFO,
'user',
false
);
}
//Check the admission status:
$admission_status = $user->admission_applications->findBy('seminar_id', $this->id)->val('status');
if ($admission_status === 'accepted') {
return new \Studip\EnrolmentInformation(
_('Sie wurden für diese Veranstaltung vorläufig akzeptiert.'),
\Studip\Information::INFO,
'preliminary_accepted',
false
);
} elseif ($admission_status === 'awaiting') {
return new \Studip\EnrolmentInformation(
_('Sie sind auf der Warteliste für diese Veranstaltung.'),
\Studip\Information::INFO,
'on_waitlist',
false
);
}
//Check the user domain:
$user_domains = UserDomain::getUserDomainsForUser($user_id);
if (count($user_domains) > 0) {
//The user is in at least one domain. Check if the course is in one of them.
$course_domains = UserDomain::getUserDomainsForSeminar($this->id);
if (
!UserDomain::checkUserVisibility($course_domains, $user_domains)
&& !$this->isStudygroup()
) {
//The user is not in the same domain as the course and the course
//is not a studygroup.
return new \Studip\EnrolmentInformation(
_('Sie sind nicht in der gleichen Domäne wie die Veranstaltung und können sich daher nicht für die Veranstaltung eintragen.'),
\Studip\Information::INFO,
'wrong_domain',
false
);
}
}
//In all other cases, enrolment is allowed.
return new \Studip\EnrolmentInformation(
_('Sie können sich zur Veranstaltung anmelden.'),
\Studip\Information::INFO,
'allowed',
true
);
}
/**
* Returns the semType object that is defined for the course
*
* @return SemType The semTypeObject for the course */
public function getSemType()
{
$semTypes = SemType::getTypes();
if (isset($semTypes[$this->status])) {
return $semTypes[$this->status];
}
Log::error(sprintf('SemType not found id:%s status:%s', $this->id, $this->status));
return new SemType(['name' => 'Fehlerhafter Veranstaltungstyp']);
}
/**
* Returns the SemClass object that is defined for the course
*
* @return SemClass The SemClassObject for the course
*/
public function getSemClass()
{
return $this->getSemType()->getClass();
}
/**
* Returns the full name of a course. If the important course numbers
* (IMPORTANT_SEMNUMBER) is set in global configs it will also display
* the coursenumber
*
* @param string formatting template name
* @return string Fullname
*/
public function getFullName($format = 'default')
{
$template = [
'name' => '%1$s',
'name-semester' => '%1$s (%4$s)',
'number-name' => '%3$s %1$s',
'number-name-semester' => '%3$s %1$s (%4$s)',
'number-type-name' => '%3$s %2$s: %1$s',
'sem-duration-name' => '%4$s',
'type' => '%2$s',
'type-name' => '%2$s: %1$s',
'type-number-name' => '%2$s: %3$s %1$s',
];
if ($format === 'default' || !isset($template[$format])) {
$format = Config::get()->IMPORTANT_SEMNUMBER ? 'type-number-name' : 'type-name';
}
$sem_type = $this->getSemType();
$data[0] = $this->name;
$data[1] = $sem_type['name'];
$data[2] = $this->veranstaltungsnummer;
$data[3] = $this->getTextualSemester();
return trim(vsprintf($template[$format], array_map('trim', $data)));
}
/**
* Retrieves all dates (regular and irregular) that take place
* in a specified semester or a semester range.
*
* @param Semester|null $start_semester The semester for which to get all dates
* or the start semester of a semester range.
* @param Semester|null $end_semester The end semester for a semester range.
* This can also be null in case only dates for one semester
* shall be retrieved.
*
* @param bool $with_cancelled_dates Whether to include cancelled dates (true) or not (false).
* Defaults to false.
*
* @return CourseDateList A collection of irregular and regular course dates.
* * @throws \Studip\Exception In case that the end semester is before the start semester.
*/
public function getAllDatesInSemester(
?Semester $start_semester = null,
?Semester $end_semester = null,
bool $with_cancelled_dates = false
) : CourseDateList {
$all_dates_of_course = !$start_semester && !$end_semester;
if ($all_dates_of_course) {
$collection = new CourseDateList();
foreach ($this->cycles as $regular_date) {
$collection->addRegularDate($regular_date);
}
foreach ($this->dates as $date) {
if (!$date->metadate_id) {
$collection->addSingleDate($date);
}
}
if ($with_cancelled_dates) {
foreach ($this->ex_dates as $cancelled_date) {
$collection->addCancelledDate($cancelled_date);
}
}
return $collection;
} else {
if (!$start_semester) {
return new CourseDateList();
}
$beginning = $start_semester->beginn;
$end = $start_semester->ende;
if ($end_semester) {
if ($end_semester->ende < $start_semester->beginn) {
throw new \Studip\Exception(
_('Das Endsemester darf nicht vor dem Startsemester liegen.'),
\Studip\Exception::END_BEFORE_BEGINNING
);
}
$end = $end_semester->ende;
}
$collection = new CourseDateList();
SeminarCycleDate::findEachBySQL(
function ($date) use ($collection) {
$collection->addCycleDate($date);
},
"`start_time` >= :beginning AND `end_time` <= :end
AND `seminar_id` = :course_id",
[
'course_id' => $this->id,
'beginning' => $beginning,
'end' => $end
]
);
CourseDate::findEachBySQL(
function ($date) use ($collection) {
$collection->addSingleDate($date);
},
"`date` >= :beginning AND `end_time` <= :end
AND `range_id` = :course_id
AND (`metadate_id` IS NULL OR `metadate_id` = '')",
[
'course_id' => $this->id,
'beginning' => $beginning,
'end' => $end
]
);
if ($with_cancelled_dates) {
CourseExDate::findEachBySQL(
function ($date) use ($collection) {
$collection->addCancelledDate($date);
},
"`date` >= :beginning AND `end_time` <= :end
AND `range_id` = :course_id
AND (`metadate_id` IS NULL OR `metadate_id` = '')",
[
'course_id' => $this->id,
'beginning' => $beginning,
'end' => $end
]
);
}
return $collection;
}
}
/**
* Retrieves the course dates including cancelled dates ("ex-dates").
* The dates can be filtered by an optional time range. By default,
* all dates are retrieved.
*
* @param int $range_begin The begin timestamp of the time range.
*
* @param int $range_end The end timestamp of the time range.
*
* @returns SimpleCollection A collection of all retrieved dates and
* cancelled dates.
*/
public function getDatesWithExdates($range_begin = 0, $range_end = 0)
{
$dates = SimpleCollection::createFromArray([]);
if (
$range_begin > 0
&& $range_end > 0
&& $range_end > $range_begin
) {
$dates->merge(
$this->dates->findBy('date', $range_begin, '>=')
->findBy('end_time', $range_end, '<=')
);
$dates->merge(
$this->ex_dates->findBy('content', '', '<>')
->findBy('date', $range_begin, '>=')
->findBy('end_time', $range_end, '<=')
);
} else {
$dates->merge($this->dates);
$dates->merge($this->ex_dates->findBy('content', '', '<>'));
}
$dates->uasort(function($a, $b) {
return $a->date - $b->date
?: strnatcasecmp($a->getRoomName(), $b->getRoomName());
});
return $dates;
}
/**
* Retrieves the first date of the course that takes place.
*
* @return CourseDate|null Either the first date as CourseDate or null in case
* the course has no dates.
*/
public function getFirstDate() : ?CourseDate
{ return $this->dates->first();
}
/**
* Retrieves the next date for the course. If requested, the next cancelled
* date is retrieved if no date can be found that takes place.
*
* The date must start in the future or within the past hour to be regarded
* as next date.
*
* @param bool $include_cancelled Include cancelled dates (true) or not.
* Defaults to false.
*
* @return CourseDate|CourseExDate|null A CourseDate or CourseExDate representing
* the next date or null in case there is no next date. CourseExDate instances
* are only returned if $include_cancelled is set to true.
*/
public function getNextDate(bool $include_cancelled = false)
{
$sql = '`range_id` = :course_id AND `date` > UNIX_TIMESTAMP() - 3600
ORDER BY `date`, `end_time`';
$date = CourseDate::findOneBySQL($sql, ['course_id' => $this->id]);
if (!$date && $include_cancelled) {
//Do the same with CourseExDate:
$date = CourseExDate::findOneBySQL($sql, ['course_id' => $this->id]);
}
return $date;
}
/**
* Sets this courses study areas to the given values.
*
* @param array $ids the new study areas
* @return bool Changes successfully saved?
*/
public function setStudyAreas($ids)
{
$old = $this->study_areas->pluck('sem_tree_id');
$added = array_diff($ids, $old);
$removed = array_diff($old, $ids);
$success = false;
if ($added || $removed) {
$this->study_areas = SimpleCollection::createFromArray(StudipStudyArea::findMany($ids));
if ($this->store()) {
NotificationCenter::postNotification('CourseDidChangeStudyArea', $this);
$success = true;
foreach ($added as $one) {
StudipLog::log('SEM_ADD_STUDYAREA', $this->id, $one);
$area = $this->study_areas->find($one);
if ($area->isModule()) {
NotificationCenter::postNotification(
'CourseAddedToModule',
$area,
['module_id' => $one, 'course_id' => $this->id]
);
}
}
foreach ($removed as $one) {
StudipLog::log('SEM_DELETE_STUDYAREA', $this->id, $one);
$area = StudipStudyArea::find($one);
if ($area->isModule()) {
NotificationCenter::postNotification(
'CourseRemovedFromModule', $area,
['module_id' => $one, 'course_id' => $this->id]
);
}
}
}
}
return $success;
}
/**
* Is the current course visible for the current user?
* @param string $user_id
* @return bool Visible?
*/
public function isVisibleForUser($user_id = null)
{
return $this->visible
|| $GLOBALS['perm']->have_perm(Config::get()->SEM_VISIBILITY_PERM, $user_id)
|| $GLOBALS['perm']->have_studip_perm('user', $this->id, $user_id);
}
/**
* Returns a descriptive text for the range type.
*
* @return string
*/
public function describeRange()
{
return _('Veranstaltung');
}
/**
* Returns a unique identificator for the range type.
*
* @return string
*/
public function getRangeType()
{
return 'course';
}
/**
* Returns the id of the current range
*
* @return string
*/
public function getRangeId()
{
return $this->id;
}
/**
* {@inheritdoc}
*/
public function getConfiguration()
{
return CourseConfig::get($this);
}
/**
* Decides whether the user may access the range.
*
* @param string|null $user_id Optional id of a user, defaults to current user
* @return bool
* @todo Check permissions
*/
public function isAccessibleToUser($user_id = null)
{ if ($user_id === null) {
$user_id = $GLOBALS['user']->id;
}
return $GLOBALS['perm']->have_studip_perm('user', $this->id, $user_id);
}
/**
* Decides whether the user may edit/alter the range.
*
* @param string|null $user_id Optional id of a user, defaults to current user
* @return bool
* @todo Check permissions
*/
public function isEditableByUser($user_id = null)
{
if ($user_id === null) {
$user_id = $GLOBALS['user']->id;
}
return $GLOBALS['perm']->have_studip_perm('tutor', $this->id, $user_id);
}
/**
* Returns the appropriate icon for the completion status.
*
* Mapping (completion -> icon role):
* - 0 => status-red
* - 1 => status-yellow
* - 2 => status-green
*
* @return Icon class
*/
public function getCompletionIcon()
{
$role = Icon::ROLE_STATUS_RED;
if ($this->completion == 1) {
$role = Icon::ROLE_STATUS_YELLOW;
} elseif ($this->completion == 2) {
$role = Icon::ROLE_STATUS_GREEN;
}
return Icon::create('radiobutton-checked', $role);
}
/**
* Returns the appropriate label for the completion status.
*
* @return string
*/
public function getCompetionLabel(): string
{
return [
0 => _('unvollständig'),
1 => _('in Bearbeitung'),
2 => _('fertig'),
][$this->completion] ?? _('undefiniert');
}
public function setValue($field, $value)
{
if (strtolower($field) === 'institut_id') {
$this->institutes = $this->institutes->filter(function (Institute $institute) {
return $institute->id !== $this->institut_id;
});
} elseif (strtolower($field) === 'institutes') {
$this->initRelation($field);
}
return parent::setValue($field, $value);
}
/** * Handle all things related to storing the institutes
*/
protected function handleInstitutes(): void
{
if ($this->isFieldDirty('institut_id')) {
StudipLog::log(
'CHANGE_INSTITUTE_DATA',
$this->id,
$this->institut_id,
"Die Heimateinrichtung wurde zu \"{$this->home_institut->name}\" geändert."
);
}
if ($this->currently_assigned_institutes !== null) {
$assigned_ids = $this->institutes->pluck('id');
// Deleted
$deleted_ids = array_diff($this->currently_assigned_institutes, $assigned_ids);
Institute::findEachMany(
function (Institute $institute) {
StudipLog::log(
'CHANGE_INSTITUTE_DATA',
$this->id,
$institute->id,
"Die beteiligte Einrichtung \"{$institute->name}\" wurde gelöscht."
);
NotificationCenter::postNotification('SeminarInstitutionDidDelete', $institute->id, $this->id);
},
$deleted_ids
);
// Added
$added_ids = array_diff($assigned_ids, $this->currently_assigned_institutes);
Institute::findEachMany(
function (Institute $institute) {
StudipLog::log(
'CHANGE_INSTITUTE_DATA',
$this->id,
$institute->id,
"Die beteiligte Einrichtung \"{$institute->name}\" wurde hinzugefügt."
);
NotificationCenter::postNotification('SeminarInstitutionDidCreate', $institute->id, $this->id);
},
$added_ids
);
if (count($deleted_ids) > 0 || count($added_ids) > 0) {
NotificationCenter::postNotification('CourseDidChangeInstitutes', $this);
}
}
if (
$this->institut_id
&& !$this->institutes->find($this->institut_id)
) {
$this->institutes[] = $this->home_institut;
}
}
/**
* Generates a general log entry if the course were changed.
* Furthermore, this method emits notifications when the
* start and/or the end semester has/have changed.
*/
protected function logStore()
{
if (!$this->isNew()) {
if ($this->initial_start_semester?->id !== $this->start_semester?->id) {
//Log change of start semester:
StudipLog::log('SEM_SET_STARTSEMESTER', $this->id, isset($this->start_semester) ? $this->start_semester->name : _('unbegrenzt')); NotificationCenter::postNotification('CourseDidChangeSchedule', $this);
}
if ($this->initial_end_semester?->id !== $this->end_semester?->id) {
StudipLog::log('SEM_SET_ENDSEMESTER', $this->id, $this->getTextualSemester());
NotificationCenter::postNotification('CourseDidChangeSchedule', $this);
}
$log = [];
if ($this->isFieldDirty('admission_prelim')) {
$log[] = $this->admission_prelim ? _('Neuer Anmeldemodus: Vorläufiger Eintrag') : _('Neuer Anmeldemodus: Direkter Eintrag');
}
if ($this->isFieldDirty('admission_binding')) {
$log[] = $this->admission_binding ? _('Anmeldung verbindlich') : _('Anmeldung unverbindlich');
}
if ($this->isFieldDirty('admission_turnout')) {
$log[] = sprintf(_('Neue Teilnehmerzahl: %s'), (int)$this->admission_turnout);
}
if ($this->isFieldDirty('admission_disable_waitlist')) {
$log[] = $this->admission_disable_waitlist ? _('Warteliste aktiviert') : _('Warteliste deaktiviert');
}
if ($this->isFieldDirty('admission_waitlist_max')) {
$log[] = sprintf(_('Plätze auf der Warteliste geändert: %u'), (int)$this->admission_waitlist_max);
}
if ($this->isFieldDirty('admission_disable_waitlist_move')) {
$log[] = $this->admission_disable_waitlist ? _('Nachrücken aktiviert') : _('Nachrücken deaktiviert');
}
if ($this->isFieldDirty('admission_prelim_txt')) {
if ($this->admission_prelim_txt) {
$log[] = sprintf(_('Neuer Hinweistext bei vorläufigen Eintragungen: %s'), strip_tags(kill_format($this->admission_prelim_txt)));
} else {
$log[] = _('Hinweistext bei vorläufigen Eintragungen wurde entfert');
}
}
if (!empty($log)) {
StudipLog::log(
'SEM_CHANGED_ACCESS',
$this->id,
null,
'',
implode(' - ', $log)
);
}
if ($this->isFieldDirty('visible')) {
StudipLog::log($this->visible ? 'SEM_VISIBLE' : 'SEM_INVISIBLE', $this->id);
}
}
}
//StudipItem interface implementation:
public function getItemName($long_format = true)
{
if ($long_format) {
return $this->getFullName();
} else {
return $this->name;
}
}
public function getItemURL()
{
return URLHelper::getURL( 'dispatch.php/course/details/index',
[
'cid' => $this->id
]
);
}
public function getItemAvatarURL()
{
$avatar = CourseAvatar::getAvatar($this->id);
if ($avatar) {
return $avatar->getURL(Avatar::NORMAL);
}
return '';
}
/**
* Export available data of a given user into a storage object
* (an instance of the StoredUserData class) for that user.
*
* @param StoredUserData $storage object to store data into
*/
public static function exportUserData(StoredUserData $storage)
{
$sorm = self::findThru($storage->user_id, [
'thru_table' => 'seminar_user',
'thru_key' => 'user_id',
'thru_assoc_key' => 'Seminar_id',
'assoc_foreign_key' => 'Seminar_id',
]);
if ($sorm) {
$field_data = [];
foreach ($sorm as $row) {
$field_data[] = $row->toRawArray();
}
if ($field_data) {
$storage->addTabularData(_('Seminare'), 'seminare', $field_data);
}
}
}
public function getRangeName()
{
return $this->name;
}
public function getRangeIcon($role)
{
return Icon::create('seminar', $role);
}
public function getRangeUrl()
{
return 'course/overview';
}
public function getRangeCourseId()
{
return $this->Seminar_id;
}
public function isRangeAccessible(string $user_id = null): bool
{
$user_id = $user_id ?? $GLOBALS['user']->id;
return $GLOBALS['perm']->have_studip_perm('autor', $this->Seminar_id, $user_id);
}
public function getLink() : StudipLink
{ return new StudipLink($this->getItemURL(), $this->name, Icon::create('seminar'));
}
/**
* Returns a list of courses for the specified user.
* Permission levels may be supplied to limit the course list.
*
* @param string $user_id The ID of the user whose courses shall be retrieved.
*
* @param string[] $perms The permission levels of the user that shall be
* regarded when retrieving courses.
*
* @param bool $with_deputies Whether to include courses where the user is
* a deputy (true) or not (false). Defaults to true.
*
* @return Course[] A list of courses.
*/
public static function findByUser($user_id, $perms = [], $with_deputies = true)
{
if (!$user_id) {
return [];
}
$db = DBManager::get();
$sql = "SELECT `seminar_id`
FROM `seminar_user`
WHERE `user_id` = :user_id";
$sql_params = ['user_id' => $user_id];
if (is_array($perms) && count($perms)) {
$sql .= ' AND `status` IN (:perms)';
$sql_params['perms'] = $perms;
}
$seminar_ids = $db->fetchFirst($sql, $sql_params);
if (Config::get()->DEPUTIES_ENABLE && $with_deputies) {
$sql = 'SELECT range_id FROM `deputies` WHERE `deputies`.`user_id` = :user_id';
$seminar_ids = array_merge($seminar_ids, $db->fetchFirst($sql, $sql_params));
}
$name_sort = Config::get()->IMPORTANT_SEMNUMBER ? 'VeranstaltungsNummer, Name' : 'Name';
return Course::findBySQL(
"LEFT JOIN semester_courses ON (semester_courses.course_id = seminare.Seminar_id)
WHERE Seminar_id IN (?)
GROUP BY seminare.Seminar_id
ORDER BY semester_courses.semester_id IS NULL DESC, {$name_sort}",
[$seminar_ids]
);
}
/**
* Returns whether this course is a studygroup
* @return bool
*/
public function isStudygroup()
{
return in_array($this->status, studygroup_sem_types());
}
/**
*
*/
public function setDefaultTools()
{
$this->tools = [];
foreach (array_values($this->getSemClass()->getActivatedModuleObjects()) as $module) {
PluginManager::getInstance()->setPluginActivated($module->getPluginId(), $this->id, true);
$this->tools[] = ToolActivation::find([$this->id, $module->getPluginId()]);
}
}
/**
* @param $name string name of tool / plugin
* @return bool
*/
public function isToolActive($name)
{
$plugin = PluginEngine::getPlugin($name);
return $plugin && $this->tools->findOneby('plugin_id', $plugin->getPluginId());
}
/**
* Returns the Plugin/Tool specified by its name in case it is
* activated in this course.
*
* @param string $name The name of the tool.
*
* @return StandardPlugin An instance for the tool.
*
* @throws \Studip\ToolException In case the tool is not activated.
*/
public function getTool(string $name) : StandardPlugin
{
if ($this->isToolActive($name)) {
$plugin = PluginEngine::getPlugin($name);
if ($plugin instanceof StandardPlugin) {
return $plugin;
}
}
throw new \Studip\ToolException(
sprintf(
_('Das Werkzeug %s ist nicht aktiviert.'),
$name
),
\Studip\ToolException::TOOL_NOT_ACTIVATED
);
}
/**
* returns all activated plugins/modules for this course
* @return StudipModule[]
*/
public function getActivatedTools()
{
return array_filter($this->tools->getStudipModule());
}
/**
* @see Range::__toString()
*/
public function __toString() : string
{
return $this->getFullName();
}
/**
* @inheritDoc
*/
public static function getCalendarOwner(string $owner_id): ?\Studip\Calendar\Owner
{
return self::find($owner_id);
}
/**
* @inheritDoc
*/
public function isCalendarReadable(?string $user_id = null): bool
{
if ($user_id === null) { $user_id = User::findCurrent()->id;
}
//Calendar read permissions are granted for all participants
//that have at least user permissions.
return $GLOBALS['perm']->have_studip_perm('user', $this->id, $user_id);
}
/**
* @inheritDoc
*/
public function isCalendarWritable(string $user_id = null): bool
{
if ($user_id === null) {
$user_id = User::findCurrent()->id;
}
//Calendar write permissions are granted for all participants
//that have autor permissions or higher.
return $GLOBALS['perm']->have_studip_perm('autor', $this->id, $user_id);
}
/**
* Get user information for all users in this course
*
*/
public function getMembersData(?string $status = ''): array
{
$result = [];
if (!$status) {
foreach ($this->members->orderBy('position, nachname') as $member) {
$result[$member->user_id] = $member->getExportData();
}
foreach ($this->admission_applicants->findBy('status', 'accepted')->orderBy('position') as $member) {
$result[$member->user_id] = $member->getExportData();
}
} elseif ($status === 'awaiting') {
foreach ($this->admission_applicants->findBy('status', $status)->orderBy('position') as $member) {
$result[$member->user_id] = $member->getExportData();
}
} elseif ($status === 'claiming') {
$cs = CourseSet::getSetForCourse($this->id);
if (is_object($cs) && !$cs->hasAlgorithmRun()) {
$claiming_users = User::findFullMany(array_keys(AdmissionPriority::getPrioritiesByCourse($cs->getId(), $this->id)), 'ORDER BY nachname');
foreach ($claiming_users as $claiming_user) {
$studycourse = [];
$claiming_user->studycourses->map(function($sc) use (&$studycourse) {
$studycourse[]= $sc->studycourse->name . ',' . $sc->degree->name . ',' . $sc->semester;
});
$export_data = [
'status' => $status,
'salutation' => $claiming_user->salutation,
'Titel' => $claiming_user->title_front,
'Vorname' => $claiming_user->vorname,
'Nachname' => $claiming_user->nachname,
'Titel2' => $claiming_user->title_rear,
'username' => $claiming_user->username,
'privadr' => $claiming_user->privadr,
'privatnr' => $claiming_user->privatnr,
'Email' => $claiming_user->email,
'Anmeldedatum' => '',
'Matrikelnummer' => $claiming_user->matriculation_number,
'studiengaenge' => implode(';', $studycourse),
'position' => 0,
];
$result[$claiming_user->user_id] = $export_data;
}
}
}
return $result;
}
}