/**
* Displays user outlines of each group member (for the clip members table)
*
*/
function display_group_members()
{
global $sc_obj, $sc_clip, $cm, $context;
if (groups_get_activity_groupmode($cm) == NOGROUPS || $sc_obj->getIvt() == false || $sc_clip->getOwner() == false) {
return;
}
$users = get_users_by_capability($context, 'mod/opencast:use', 'u.id');
foreach ($users as $userid => $user) {
if (mod_opencast_user::checkSameGroup(mod_opencast_user::getMoodleUserIdFromExtId($sc_clip->getOwner()), $userid)) {
$this->display_user_outline($userid, false, false, false, true);
}
}
}
/**
* Checks the current USER's permission on the event
*
* @param string $perm_type permission : 'read' or 'write'
*
* @return bool true if permission granted
*/
public function isAllowed($perm_type)
{
global $DB, $USER, $context;
if (!has_capability('mod/opencast:use', $context)) {
return false;
}
$mod_opencast_user = new mod_opencast_user();
$user_uploaded_events = $DB->get_records('opencast_uploadedclip', ['userid' => $USER->id]);
$user_uploaded_events_extids = [];
if (is_array($user_uploaded_events)) {
foreach ($user_uploaded_events as $user_uploaded_event) {
$user_uploaded_events_extids[] = $user_uploaded_event->ext_id;
}
}
if ($perm_type == 'write') {
if (has_capability('mod/opencast:isproducer', $context) || $mod_opencast_user->getExternalAccount() == $this->getOwner() && $this->getOwner() !== '' || in_array($this->getExtId(), $user_uploaded_events_extids)) {
/*
* the current $USER is channel producer
* OR the current $USER is the clip owner
* OR the current $USER is the user who uploaded the clip
*/
return true;
}
} else {
if ($perm_type == 'read') {
if (has_capability('mod/opencast:isproducer', $context) || has_capability('mod/opencast:seeallclips', $context) || $this->series->getIvt() && $this->getOwner() !== '' && $mod_opencast_user->getExternalAccount() == $this->getOwner() || $this->series->getIvt() == false || $this->series->getIvt() == true && $this->series->getInvitingPossible() == true && is_numeric(array_search($USER->id, $this->getMembers())) || mod_opencast_user::checkSameGroup(mod_opencast_user::getMoodleUserIdFromExtId($this->getOwner()), $USER->id) || in_array($this->getExtId(), $user_uploaded_events_extids)) {
/*
* the current $USER is channel producer
* the current $USER has the mod/opencast:seeallclips capability
* OR activity is set in individual mode AND the current $USER is the clip owner
* OR there are no individual clip permissions set for this activity
* OR activity is set in individual mode AND $USER is an invited member of a clip
* OR is in the same user group as the clip owner
* OR the current $USER is the user who uploaded the clip
*/
return true;
}
}
}
return false;
}
