/**
* Delete plugin specific information.
*
* @param stdClass $instance
* @return void
*/
public function delete_instance($instance)
{
global $DB;
// Get the tool associated with this instance.
$tool = $DB->get_record('enrol_lti_tools', array('enrolid' => $instance->id), 'id', MUST_EXIST);
// Delete any users associated with this tool.
$DB->delete_records('enrol_lti_users', array('toolid' => $tool->id));
// Get tool and consumer mappings.
$rsmapping = $DB->get_recordset('enrol_lti_tool_consumer_map', array('toolid' => $tool->id));
// Delete consumers that are linked to this tool and their related data.
$dataconnector = new data_connector();
foreach ($rsmapping as $mapping) {
$consumer = new ToolConsumer(null, $dataconnector);
$consumer->setRecordId($mapping->consumerid);
$dataconnector->deleteToolConsumer($consumer);
}
$rsmapping->close();
// Delete mapping records.
$DB->delete_records('enrol_lti_tool_consumer_map', array('toolid' => $tool->id));
// Delete the lti tool record.
$DB->delete_records('enrol_lti_tools', array('id' => $tool->id));
// Time for the parent to do it's thang, yeow.
parent::delete_instance($instance);
}
/**
* Delete plugin specific information.
*
* @param stdClass $instance
* @return void
*/
public function delete_instance($instance)
{
global $DB;
// Get the tool associated with this instance.
$tool = $DB->get_record('enrol_lti_tools', array('enrolid' => $instance->id), 'id', MUST_EXIST);
// Delete any users associated with this tool.
$DB->delete_records('enrol_lti_users', array('toolid' => $tool->id));
// Delete the lti tool record.
$DB->delete_records('enrol_lti_tools', array('id' => $tool->id));
// Time for the parent to do it's thang, yeow.
parent::delete_instance($instance);
}
/**
* Intercepts the instance deletion call and gives some
* custom instructions before resuming the parent function
*/
public function delete_instance($instance)
{
global $DB;
if ($this->get_config('removegroups')) {
require_once "../group/lib.php";
$groups = $DB->get_records_sql("SELECT * FROM {groups} WHERE " . $DB->sql_like('idnumber', ':idnumber'), array('idnumber' => "autoenrol|{$instance->id}|%"));
foreach ($groups as $group) {
groups_delete_group($group);
}
}
parent::delete_instance($instance);
}
