/**
* The function shortens a string, but it uses the first 2/3 and the last 1/3
*
* The parts will be divided by a "[...]". The functions is to use like php's
* substr function.
*
* @param string $what the original string
* @param integer $start start pos, 0 is the first pos
* @param integer $end end pos
*
* @return string
*
*
*/
function my_substr($what, $start, $end)
{
$length = $end - $start;
$what_length = studip_strlen($what);
// adding 5 because: strlen("[...]") == 5
if ($what_length > $length + 5) {
$what = studip_substr($what, $start, round($length / 3 * 2)) . "[...]" . studip_substr($what, $what_length - round($length / 3), $what_length);
}
return $what;
}
/**
* sends a message to all members of a studygroup
*
* @param string id of a studygroup
*
* @return void
*/
function message_action($id)
{
$sem = Course::find($id);
if (studip_strlen($sem->getFullname()) > 32) {
//cut subject if to long
$subject = sprintf(_("[Studiengruppe: %s...]"), studip_substr($sem->getFullname(), 0, 30));
} else {
$subject = sprintf(_("[Studiengruppe: %s]"), $sem->getFullname());
}
$this->redirect($this->url_for('messages/write', array('course_id' => $id, 'default_subject' => $subject, 'filter' => 'all', 'emailrequest' => 1)));
}
/**
* If a new user applies, an application note to all moderators and founders
* of a studygroup will be automatically sent while calling this function.
* The note contains the user's name and a direct link to the member page of the studygroup.
*
* @param string $sem_id id of a seminar / studygroup
* @param strimg $user_id id of the applicant
*
* @return int number of recipients
*/
function applicationNotice($sem_id, $user_id)
{
$sem = new Seminar($sem_id);
$dozenten = $sem->getMembers();
$tutors = $sem->getMembers('tutor');
$recipients = array();
$msging = new Messaging();
foreach (array_merge($dozenten, $tutors) as $uid => $user) {
$recipients[] = $user['username'];
}
if (studip_strlen($sem->getName()) > 32) {
//cut subject if to long
$subject = sprintf(_("[Studiengruppe: %s...]"), studip_substr($sem->getName(), 0, 30));
} else {
$subject = sprintf(_("[Studiengruppe: %s]"), $sem->getName());
}
if (StudygroupModel::isInvited($user_id, $sem_id)) {
$subject .= " " . _("Einladung akzeptiert");
$message = sprintf(_("%s hat die Einladung zur Studiengruppe %s akzeptiert. Klicken Sie auf den untenstehenden Link, um direkt zur Studiengruppe zu gelangen.\n\n [Direkt zur Studiengruppe]%s"), get_fullname($user_id), $sem->getName(), URLHelper::getlink($GLOBALS['ABSOLUTE_URI_STUDIP'] . "dispatch.php/course/studygroup/members/" . $sem->id, array('cid' => $sem->id)));
} else {
$subject .= " " . _("Neuer Mitgliedsantrag");
$message = sprintf(_("%s möchte der Studiengruppe %s beitreten. Klicken Sie auf den untenstehenden Link, um direkt zur Studiengruppe zu gelangen.\n\n [Direkt zur Studiengruppe]%s"), get_fullname($user_id), $sem->getName(), URLHelper::getlink($GLOBALS['ABSOLUTE_URI_STUDIP'] . "dispatch.php/course/studygroup/members/" . $sem->id, array('cid' => $sem->id)));
}
return $msging->insert_message($message, $recipients, "____%system%____", '', '', '', '', $subject);
}
