/**
* Returns ELIS course context instance.
*
* @static
* @param int $instanceid The ELIS course id
* @param int $strictness IGNORE_MISSING means compatible mode, false returned if record not found, debug message if more found;
* IGNORE_MULTIPLE means return first, ignore multiple records found(not recommended);
* MUST_EXIST means we will throw an exception if no record or multiple records found.
* @return \local_elisprogram\context\course|bool Context instance or false if instance was not found.
*/
public static function instance($instanceid, $strictness = MUST_EXIST)
{
global $DB;
$contextlevel = \local_eliscore\context\helper::get_level_from_class_name(get_called_class());
if ($context = \local_eliscore\context\base::cache_get($contextlevel, $instanceid)) {
return $context;
}
$record = $DB->get_record('context', array('contextlevel' => $contextlevel, 'instanceid' => $instanceid));
if (empty($record)) {
$course = $DB->get_record(\course::TABLE, array('id' => $instanceid), 'id,idnumber', $strictness);
if (!empty($course)) {
$parentpath = '/' . SYSCONTEXTID;
$record = \local_eliscore\context\base::insert_context_record($contextlevel, $course->id, $parentpath);
}
}
if (!empty($record)) {
$context = new \local_elisprogram\context\course($record);
\local_eliscore\context\base::cache_add($context);
return $context;
}
return false;
}
/**
* Returns ELIS User Set context instance.
*
* @static
* @param int $instanceid The ELIS userset id
* @param int $strictness IGNORE_MISSING means compatible mode, false returned if record not found, debug message if more found;
* IGNORE_MULTIPLE means return first, ignore multiple records found(not recommended);
* MUST_EXIST means we will throw an exception if no record or multiple records found.
* @return \local_elisprogram\context\userset|bool Context instance or false if instance was not found.
*/
public static function instance($instanceid, $strictness = MUST_EXIST)
{
global $DB;
$contextlevel = \local_eliscore\context\helper::get_level_from_class_name(get_called_class());
if ($context = \local_eliscore\context\base::cache_get($contextlevel, $instanceid)) {
return $context;
}
if (!($record = $DB->get_record('context', array('contextlevel' => $contextlevel, 'instanceid' => $instanceid)))) {
if ($userset = $DB->get_record(\userset::TABLE, array('id' => $instanceid), 'id,parent', $strictness)) {
if ($userset->parent) {
$parentcontext = \local_elisprogram\context\userset::instance($userset->parent);
$record = \local_eliscore\context\base::insert_context_record($contextlevel, $userset->id, $parentcontext->path);
} else {
$record = \local_eliscore\context\base::insert_context_record($contextlevel, $userset->id, '/' . SYSCONTEXTID, 0);
}
}
}
if ($record) {
$context = new \local_elisprogram\context\userset($record);
\local_eliscore\context\base::cache_add($context);
return $context;
}
return false;
}
