if ($cur_user->consumer_key == $group->consumer_key) {
// add the shared contexts --- get all the contexts
$shares = $context->getShares();
foreach ($shares as $share) {
$consumer_instance = new LTI_Tool_Consumer_Instance($share->consumer_instance_guid, elgg_get_config('dbprefix'));
$context = new LTI_Context($consumer_instance, $share->context_id);
$contexts[] = $context;
}
}
foreach ($contexts as $context) {
$added_members = array();
$user_provision = array();
$membershipFromConsumer = array();
// First check that we have a membership service. Strictly speaking we shouldn't end up here unless
// there is a service as the Sync option shouldn't appear
if ($context->hasMembershipsService()) {
// Get array of membership from consumer
$members = $context->doMembershipsService();
// Failure and single context --- abandon with error message
if (!$members && sizeof(contexts) == 1) {
register_error(sprintf(elgg_echo('LTI:members:error:noservice'), $context->consumer_instance->guid));
forward($group->getURL());
}
if (!$members && sizeof($contexts) > 1) {
register_error(sprintf(elgg_echo('LTI:members:error:noservice'), $context->consumer_instance->guid));
break;
}
// If there are members
if (!empty($members)) {
foreach ($members as $member) {
$user = null;
$context = new LTI_Context($consumer_instance, $cur_user->context_id);
// Add this context as must be used
$contexts[] = $context;
if ($cur_user->consumer_key == $group->consumer_key) {
// add the shared contexts --- get all the contexts
$shares = $context->getShares();
foreach ($shares as $share) {
$consumer_instance = new LTI_Tool_Consumer_Instance($share->consumer_instance_guid, elgg_get_config('dbprefix'));
$context = new LTI_Context($consumer_instance, $share->context_id);
$contexts[] = $context;
}
}
foreach ($contexts as $context) {
// First check that we have a membership service. Strictly speaking we shouldn't end up here unless
// there is a service as the Sync option shouldn't appear
if ($context->hasMembershipsService() && $context->hasSettingService()) {
// Lets try and write back the current time
$context->doSettingService(LTI_Context::EXT_WRITE, date('d-M-Y H:i'));
}
}
$deletions = get_input('delete');
$delete = $deletions == 'yes' ? true : false;
$added_members = unserialize($_SESSION['added_members']);
if ($delete) {
$deleted_members = unserialize($_SESSION['deleted_members']);
}
$changed_members = unserialize($_SESSION['changed_members']);
$role_changed_del = unserialize($_SESSION['role_changed_del']);
$role_changed_add = unserialize($_SESSION['role_changed_add']);
$user_provision = unserialize($_SESSION['user_provision']);
/*------------------------------------------------------------------
function LTI_Group_Delete($event, $object_type, $group)
{
// Check we have LTI group (i.e. it has a context and consumer_key) and the delete
// event is occurring
if (!empty($group->context_id) && !empty($group->consumer_key) && $event == 'delete') {
$consumer_instance = new LTI_Tool_Consumer_Instance($group->consumer_key, elgg_get_config('dbprefix'));
$context = new LTI_Context($consumer_instance, $group->context_id);
if (elgg_is_active_plugin('notifications')) {
if ($context->hasMembershipsService()) {
// Inform all instructors that group is being deleted using
// membership list from consumer
InformInstructorsViaLTIMembership($group, $context, $consumer_instance->guid);
} else {
// No Membership service, so use group members
InformInstructorsViaGroupMembership($group);
}
}
$context->delete();
}
return true;
}
