/**
* Return a list of free/busy time slots within the given period
* Echo data in JSON encoding
*/
public function freebusy_times()
{
$email = rcube_utils::get_input_value('email', rcube_utils::INPUT_GPC);
$start = rcube_utils::get_input_value('start', rcube_utils::INPUT_GPC);
$end = rcube_utils::get_input_value('end', rcube_utils::INPUT_GPC);
$interval = intval(rcube_utils::get_input_value('interval', rcube_utils::INPUT_GPC));
$strformat = $interval > 60 ? 'Ymd' : 'YmdHis';
// convert dates into unix timestamps
if (!empty($start) && !is_numeric($start)) {
$dts = rcube_utils::anytodatetime($start, $this->timezone);
$start = $dts ? $dts->format('U') : null;
}
if (!empty($end) && !is_numeric($end)) {
$dte = rcube_utils::anytodatetime($end, $this->timezone);
$end = $dte ? $dte->format('U') : null;
}
if (!$start) {
$start = time();
}
if (!$end) {
$end = $start + 86400 * 30;
}
if (!$interval) {
$interval = 60;
}
// 1 hour
if (!$dte) {
$dts = new DateTime('@' . $start);
$dts->setTimezone($this->timezone);
}
$fblist = $this->driver->get_freebusy_list($email, $start, $end);
$slots = array();
// build a list from $start till $end with blocks representing the fb-status
for ($s = 0, $t = $start; $t <= $end; $s++) {
$status = self::FREEBUSY_UNKNOWN;
$t_end = $t + $interval * 60;
$dt = new DateTime('@' . $t);
$dt->setTimezone($this->timezone);
// determine attendee's status
if (is_array($fblist)) {
$status = self::FREEBUSY_FREE;
foreach ($fblist as $slot) {
list($from, $to, $type) = $slot;
// check for possible all-day times
if (gmdate('His', $from) == '000000' && gmdate('His', $to) == '235959') {
// shift into the user's timezone for sane matching
$from -= $this->gmt_offset;
$to -= $this->gmt_offset;
}
if ($from < $t_end && $to > $t) {
$status = isset($type) ? $type : self::FREEBUSY_BUSY;
if ($status == self::FREEBUSY_BUSY) {
// can't get any worse :-)
break;
}
}
}
}
$slots[$s] = $status;
$times[$s] = intval($dt->format($strformat));
$t = $t_end;
}
$dte = new DateTime('@' . $t_end);
$dte->setTimezone($this->timezone);
// let this information be cached for 5min
send_future_expire_header(300);
echo json_encode(array('email' => $email, 'start' => $dts->format('c'), 'end' => $dte->format('c'), 'interval' => $interval, 'slots' => $slots, 'times' => $times));
exit;
}
/**
* Return a list of free/busy time slots within the given period
* Echo data in JSON encoding
*/
public function freebusy_times()
{
$email = get_input_value('email', RCUBE_INPUT_GPC);
$name = get_input_value('name', RCUBE_INPUT_GPC);
$start = get_input_value('start', RCUBE_INPUT_GPC);
$end = get_input_value('end', RCUBE_INPUT_GPC);
$interval = intval(get_input_value('interval', RCUBE_INPUT_GPC));
$strformat = $interval > 60 ? 'Ymd' : 'YmdHis';
// convert dates into unix timestamps
if (!empty($start) && !is_numeric($start)) {
$dts = new DateTime($start, $this->timezone);
$start = $dts->format('U');
}
if (!empty($end) && !is_numeric($end)) {
$dte = new DateTime($end, $this->timezone);
$end = $dte->format('U');
}
if (!$start) {
$start = time();
}
if (!$end) {
$end = $start + 86400 * 30;
}
if (!$interval) {
$interval = 60;
}
// 1 hour
if (!$dte) {
$dts = new DateTime('@' . $start);
$dts->setTimezone($this->timezone);
}
$fblist = $this->_get_freebusy_list($email, $name, $start, $end);
$slots = array();
// build a list from $start till $end with blocks representing the fb-status
for ($s = 0, $t = $start; $t <= $end; $s++) {
$status = self::FREEBUSY_UNKNOWN;
$t_end = $t + $interval * 60;
$dt = new DateTime('@' . $t);
$dt->setTimezone($this->timezone);
// determine attendee's status
if (is_array($fblist)) {
$status = self::FREEBUSY_FREE;
foreach ($fblist as $slot) {
list($from, $to, $type) = $slot;
if ($from < $t_end && $to > $t) {
$status = isset($type) ? $type : self::FREEBUSY_BUSY;
if ($status == self::FREEBUSY_BUSY) {
// can't get any worse :-)
break;
}
}
}
}
$slots[$s] = $status;
$times[$s] = $dt->format($strformat);
// Mod by Rosali (remove intval)
$t = $t_end;
}
$dte = new DateTime('@' . $t_end);
$dte->setTimezone($this->timezone);
// let this information be cached for 5min
send_future_expire_header(300);
echo json_encode(array('email' => $email, 'start' => $dts->format('c'), 'end' => $dte->format('c'), 'interval' => $interval, 'slots' => $slots, 'times' => $times));
exit;
}