/**
* Assign the users to the track.
*
* @param array $elements An array of user information to assign to the track.
* @param bool $bulkaction Whether this is a bulk-action or not.
* @return array An array to format as JSON and return to the Javascript.
*/
protected function _respond_to_js(array $elements, $bulkaction)
{
global $DB;
$trkid = required_param('id', PARAM_INT);
$track = new track($trkid);
// Permissions.
if (trackpage::can_enrol_into_track($track->id) !== true) {
return array('result' => 'fail', 'msg' => get_string('not_permitted', 'local_elisprogram'));
}
foreach ($elements as $userid => $label) {
if ($this->can_assign($track->id, $userid) === true) {
usertrack::enrol($userid, $track->id);
}
}
return array('result' => 'success', 'msg' => 'Success');
}
function can_do_add()
{
//note: actual permission checking happens in usertrackpopup.php
$id = $this->required_param('id', PARAM_INT);
return trackpage::can_enrol_into_track($id);
}
/**
* Determines whether the current user is allowed to create, edit, and delete associations
* between a user and a track
*
* @param int $userid The id of the user being associated to the track
* @param int $trackid The id of the track we are associating the user to
*
* @return boolean True if the current user has the required permissions, otherwise false
*/
public static function can_manage_assoc($userid, $trackid)
{
global $USER, $DB;
//get the context for the "indirect" capability
$context = pm_context_set::for_user_with_capability('cluster', 'local/elisprogram:track_enrol_userset_user', $USER->id);
$allowed_clusters = array();
// TODO: Ugly, this needs to be overhauled
$tpage = new trackpage();
if (!trackpage::can_enrol_into_track($trackid)) {
//the users who satisfty this condition are a superset of those who can manage associations
return false;
} else {
if ($tpage->_has_capability('local/elisprogram:track_enrol', $trackid)) {
//current user has the direct capability
return true;
}
}
//get the clusters and check the context against them
$clusters = clustertrack::get_clusters($trackid);
$allowedclusters = $context->get_allowed_instances($clusters, 'cluster', 'clusterid');
// Query to get users associated to at least one enabling cluster.
$clusterselect = '';
if (empty($allowedclusters)) {
$clusterselect = '0=1';
} else {
$clusterselect = 'clusterid IN (' . implode(',', $allowedclusters) . ')';
}
$select = "userid = ? AND " . $clusterselect;
$params = array($userid);
// User just needs to be in one of the possible clusters.
if ($DB->record_exists_select(clusterassignment::TABLE, $select, $params)) {
return true;
}
return false;
}
/**
* Determine whether the current user can assign users to this track.
*
* @return bool Whether the user can assign users to this track or not.
*/
public function can_do_add()
{
$id = $this->required_param('id', PARAM_INT);
return trackpage::can_enrol_into_track($id);
}
/**
* Determines whether the current user is allowed to create, edit, and delete associations
* between a user and a track
*
* @param int $userid The id of the user being associated to the track
* @param int $trackid The id of the track we are associating the user to
*
* @return boolean True if the current user has the required permissions, otherwise false
*/
public static function can_manage_assoc($userid, $trackid)
{
global $USER;
//get the context for the "indirect" capability
$context = cm_context_set::for_user_with_capability('cluster', 'block/curr_admin:track:enrol_cluster_user', $USER->id);
$allowed_clusters = array();
if (!trackpage::can_enrol_into_track($trackid)) {
//the users who satisfty this condition are a superset of those who can manage associations
return false;
} else {
if (trackpage::_has_capability('block/curr_admin:track:enrol', $trackid)) {
//current user has the direct capability
return true;
}
}
//get the clusters and check the context against them
$clusters = clustertrack::get_clusters($trackid);
$allowed_clusters = $context->get_allowed_instances($clusters, 'cluster', 'clusterid');
//query to get users associated to at least one enabling cluster
$cluster_select = '';
if (empty($allowed_clusters)) {
$cluster_select = '0=1';
} else {
$cluster_select = 'clusterid IN (' . implode(',', $allowed_clusters) . ')';
}
$select = "userid = {$userid} AND {$cluster_select}";
//user just needs to be in one of the possible clusters
if (record_exists_select(CLSTUSERTABLE, $select)) {
return true;
}
return false;
}
$track = new track($trackid);
$userid = optional_param('userid', 0, PARAM_INT);
// get searching/sorting parameters
$sort = optional_param('sort', 'lastname', PARAM_ALPHA);
$alpha = optional_param('alpha', '', PARAM_ALPHA);
$namesearch = optional_param('namesearch', '', PARAM_MULTILANG);
$dir = optional_param('dir', 'ASC', PARAM_ALPHA);
if ($dir != 'ASC' && $dir != 'DESC') {
$dir = 'ASC';
}
$page = optional_param('page', 0, PARAM_INT);
$perpage = optional_param('perpage', 30, PARAM_INT);
$context = get_context_instance(context_level_base::get_custom_context_level('track', 'block_curr_admin'), $trackid);
//todo: integrate this better with user-track page?
//this checks permissions at the track level
if (!trackpage::can_enrol_into_track($trackid)) {
//standard failure message
require_capability('block/curr_admin:track:enrol', $context);
}
// add user to track
if ($userid) {
//todo: integrate this better with user-track page?
//this checks permissions at the user-track association level
if (!usertrack::can_manage_assoc($userid, $trackid)) {
//standard failure message
require_capability('block/curr_admin:track:enrol', $context);
}
usertrack::enrol($userid, $trackid);
// reload the main page with the new assignments
$target = new trackuserpage(array('id' => $trackid));
?>
