final public function leave_date(BadmintonDate $badminton_date) {
/*
(BadmintonDate) -> Bool
Attempts for the current user to leave the badminton date
*/
if ($this->user_id && $badminton_date->date_id) {
if ($this->in_date($badminton_date)) {
if ($badminton_date->can_be_left()) {
$sql = "UPDATE `joins` SET status = '" . self::LEFT_STATUS . "' WHERE date_id = '$badminton_date->date_id' AND user_id = '$this->user_id'";
$result = $this->dbc->query($sql)
or die ($this->dbc->error);
$action = new LeaveBadmintonDate(array(
'leaver' => clone $this,
'badminton_date' => $badminton_date)
);
$affected_rows = $this->dbc->affected_rows;
if ($affected_rows == 1) {
//New row was inserted
//Push the action
ActionFactory::push_action($action);
//Push notifications to the group
NotificationFactory::push_notification($action);
}
return true;
}
else {
return false;
}
}
else {
return true;
}
}
else {
throw new UnexpectedValueException('UnexpectedValueException occured on request on method call leave_date, invalid parameters');
}
}
