public function doMembershipsService()
{
$users = array();
$old_users = $this->getUserResultSourcedIDs(TRUE, BasicLTI_Tool_Provider::ID_SCOPE_RESOURCE);
$this->ext_response = NULL;
$url = $this->getSetting('ext_ims_lis_memberships_url');
$params = array();
$params['id'] = $this->getSetting('ext_ims_lis_memberships_id');
if ($this->doService('basic-lis-readmembershipsforcontext', $url, $params)) {
if (!isset($this->ext_nodes['memberships']['member'])) {
$members = array();
} else {
if (!isset($this->ext_nodes['memberships']['member'][0])) {
$members = array();
$members[0] = $this->ext_nodes['memberships']['member'];
} else {
$members = $this->ext_nodes['memberships']['member'];
}
}
for ($i = 0; $i < count($members); $i++) {
$user = new LTI_User($this, $members[$i]['user_id']);
#
### Set the user name
#
$firstname = isset($members[$i]['person_name_given']) ? $members[$i]['person_name_given'] : '';
$lastname = isset($members[$i]['person_name_family']) ? $members[$i]['person_name_family'] : '';
$fullname = isset($members[$i]['person_name_full']) ? $members[$i]['person_name_full'] : '';
$user->setNames($firstname, $lastname, $fullname);
#
### Set the user email
#
$email = isset($members[$i]['person_contact_email_primary']) ? $members[$i]['person_contact_email_primary'] : '';
$user->setEmail($email, $this->consumer_instance->defaultEmail);
#
### Set the user roles
#
if (isset($members[$i]['roles'])) {
$user->roles = explode(',', $members[$i]['roles']);
}
#
### If a result sourcedid is provided save the user
#
if (isset($members[$i]['lis_result_sourcedid'])) {
$user->lti_result_sourcedid = $members[$i]['lis_result_sourcedid'];
$user->save();
}
$users[] = $user;
#
### Remove old user (if it exists)
#
unset($old_users[$user->getId(BasicLTI_Tool_Provider::ID_SCOPE_RESOURCE)]);
}
#
### Delete any old users which were not in the latest list from the tool consumer
#
foreach ($old_users as $id => $user) {
$user->delete();
}
} else {
$users = array_values($old_users);
}
return $users;
}
/**
* Perform a Memberships service request.
*
* The user table is updated with the new list of user objects.
*
* @param boolean $withGroups True is group information is to be requested as well
*
* @return mixed Array of LTI_User objects or False if the request was not successful
*/
public function doMembershipsService($withGroups = FALSE)
{
$users = array();
$old_users = $this->getUserResultSourcedIDs(TRUE, LTI_Tool_Provider::ID_SCOPE_RESOURCE);
$this->ext_response = NULL;
$url = $this->getSetting('ext_ims_lis_memberships_url');
$params = array();
$params['id'] = $this->getSetting('ext_ims_lis_memberships_id');
$ok = FALSE;
if ($withGroups) {
$ok = $this->doService('basic-lis-readmembershipsforcontextwithgroups', $url, $params);
}
if ($ok) {
$this->group_sets = array();
$this->groups = array();
} else {
$ok = $this->doService('basic-lis-readmembershipsforcontext', $url, $params);
}
if ($ok) {
if (!isset($this->ext_nodes['memberships']['member'])) {
$members = array();
} else {
if (!isset($this->ext_nodes['memberships']['member'][0])) {
$members = array();
$members[0] = $this->ext_nodes['memberships']['member'];
} else {
$members = $this->ext_nodes['memberships']['member'];
}
}
for ($i = 0; $i < count($members); $i++) {
$user = new LTI_User($this, $members[$i]['user_id']);
#
### Set the user name
#
$firstname = isset($members[$i]['person_name_given']) ? $members[$i]['person_name_given'] : '';
$lastname = isset($members[$i]['person_name_family']) ? $members[$i]['person_name_family'] : '';
$fullname = isset($members[$i]['person_name_full']) ? $members[$i]['person_name_full'] : '';
$user->setNames($firstname, $lastname, $fullname);
#
### Set the user email
#
$email = isset($members[$i]['person_contact_email_primary']) ? $members[$i]['person_contact_email_primary'] : '';
$user->setEmail($email, $this->consumer->defaultEmail);
#
### Set the user roles
#
if (isset($members[$i]['roles'])) {
$user->roles = LTI_Tool_Provider::parseRoles($members[$i]['roles']);
}
#
### Set the user groups
#
if (!isset($members[$i]['groups']['group'])) {
$groups = array();
} else {
if (!isset($members[$i]['groups']['group'][0])) {
$groups = array();
$groups[0] = $members[$i]['groups']['group'];
} else {
$groups = $members[$i]['groups']['group'];
}
}
for ($j = 0; $j < count($groups); $j++) {
$group = $groups[$j];
if (isset($group['set'])) {
$set_id = $group['set']['id'];
if (!isset($this->group_sets[$set_id])) {
$this->group_sets[$set_id] = array('title' => $group['set']['title'], 'groups' => array(), 'num_members' => 0, 'num_staff' => 0, 'num_learners' => 0);
}
$this->group_sets[$set_id]['num_members']++;
if ($user->isStaff()) {
$this->group_sets[$set_id]['num_staff']++;
}
if ($user->isLearner()) {
$this->group_sets[$set_id]['num_learners']++;
}
if (!in_array($group['id'], $this->group_sets[$set_id]['groups'])) {
$this->group_sets[$set_id]['groups'][] = $group['id'];
}
$this->groups[$group['id']] = array('title' => $group['title'], 'set' => $set_id);
} else {
$this->groups[$group['id']] = array('title' => $group['title']);
}
$user->groups[] = $group['id'];
}
#
### If a result sourcedid is provided save the user
#
if (isset($members[$i]['lis_result_sourcedid'])) {
$user->lti_result_sourcedid = $members[$i]['lis_result_sourcedid'];
$user->save();
}
$users[] = $user;
#
### Remove old user (if it exists)
#
unset($old_users[$user->getId(LTI_Tool_Provider::ID_SCOPE_RESOURCE)]);
}
#
### Delete any old users which were not in the latest list from the tool consumer
#
foreach ($old_users as $id => $user) {
$user->delete();
}
} else {
$users = FALSE;
}
return $users;
}