/**
* @global object
* @param array $userids
* @param object $choicegroup Choice main table row
* @param object $cm Course-module object
* @param object $course Course object
* @return bool
*/
function choicegroup_delete_responses($userids, $choicegroup, $cm, $course)
{
global $CFG, $DB, $context;
require_once $CFG->libdir . '/completionlib.php';
if (!is_array($userids) || empty($userids)) {
return false;
}
foreach ($userids as $num => $userid) {
if (empty($userid)) {
unset($userids[$num]);
}
}
$completion = new completion_info($course);
$eventparams = array('context' => $context, 'objectid' => $choicegroup->id);
foreach ($userids as $userid) {
if ($current = choicegroup_get_user_answer($choicegroup, $userid)) {
$currentgroup = $DB->get_record('groups', array('id' => $current->id), 'id,name', MUST_EXIST);
if (groups_is_member($current->id, $userid)) {
groups_remove_member($current->id, $userid);
$event = \mod_choicegroup\event\choice_removed::create($eventparams);
$event->add_record_snapshot('course_modules', $cm);
$event->add_record_snapshot('course', $course);
$event->add_record_snapshot('choicegroup', $choicegroup);
$event->trigger();
}
// Update completion state
if ($completion->is_enabled($cm) && $choicegroup->completionsubmit) {
$completion->update_state($cm, COMPLETION_INCOMPLETE, $userid);
}
}
}
return true;
}
$completion = new completion_info($course);
$completion->set_module_viewed($cm);
/// Submit any new data if there is any
if (data_submitted() && is_enrolled($context, NULL, 'mod/choicegroup:choose') && confirm_sesskey()) {
if ($choicegroup->multipleenrollmentspossible == 1) {
$number_of_groups = optional_param('number_of_groups', '', PARAM_INT);
for ($i = 0; $i < $number_of_groups; $i++) {
$answer_value = optional_param('answer_' . $i, '', PARAM_INT);
if ($answer_value != '') {
choicegroup_user_submit_response($answer_value, $choicegroup, $USER->id, $course, $cm);
} else {
$answer_value_group_id = optional_param('answer_' . $i . '_groupid', '', PARAM_INT);
if (groups_is_member($answer_value_group_id, $USER->id)) {
$answer_value_group = $DB->get_record('groups', array('id' => $answer_value_group_id), 'id,name', MUST_EXIST);
groups_remove_member($answer_value_group_id, $USER->id);
$event = \mod_choicegroup\event\choice_removed::create($eventparams);
$event->add_record_snapshot('course_modules', $cm);
$event->add_record_snapshot('course', $course);
$event->add_record_snapshot('choicegroup', $choicegroup);
$event->trigger();
}
}
}
} else {
// multipleenrollmentspossible != 1
$timenow = time();
if (has_capability('mod/choicegroup:deleteresponses', $context)) {
if ($action == 'delete') {
//some responses need to be deleted
choicegroup_delete_responses($userids, $choicegroup, $cm, $course);
//delete responses.
