/**
* Publishes the infomation
* @paam timestamp $starttime Time from which to publish data (usually now)
* @paam integer $length Amount of seconds from $starttime we should publish
*/
function publishFB($starttime, $length)
{
$start = $starttime;
$end = $starttime + $length;
// Get all the items in the calendar that we need
$calendaritems = array();
$restrict = array(RES_OR, array(array(RES_AND, array(array(RES_PROPERTY, array(RELOP => RELOP_GE, ULPROPTAG => $this->proptags["startdate"], VALUE => $start)), array(RES_PROPERTY, array(RELOP => RELOP_LE, ULPROPTAG => $this->proptags["startdate"], VALUE => $end)))), array(RES_AND, array(array(RES_PROPERTY, array(RELOP => RELOP_GE, ULPROPTAG => $this->proptags["duedate"], VALUE => $start)), array(RES_PROPERTY, array(RELOP => RELOP_LE, ULPROPTAG => $this->proptags["duedate"], VALUE => $end)))), array(RES_AND, array(array(RES_PROPERTY, array(RELOP => RELOP_LT, ULPROPTAG => $this->proptags["startdate"], VALUE => $start)), array(RES_PROPERTY, array(RELOP => RELOP_GT, ULPROPTAG => $this->proptags["duedate"], VALUE => $end)))), array(RES_OR, array(array(RES_AND, array(array(RES_EXIST, array(ULPROPTAG => $this->proptags["enddate_recurring"])), array(RES_PROPERTY, array(RELOP => RELOP_EQ, ULPROPTAG => $this->proptags["recurring"], VALUE => true)), array(RES_PROPERTY, array(RELOP => RELOP_GE, ULPROPTAG => $this->proptags["enddate_recurring"], VALUE => $start)))), array(RES_AND, array(array(RES_NOT, array(array(RES_EXIST, array(ULPROPTAG => $this->proptags["enddate_recurring"])))), array(RES_PROPERTY, array(RELOP => RELOP_LE, ULPROPTAG => $this->proptags["startdate"], VALUE => $end)), array(RES_PROPERTY, array(RELOP => RELOP_EQ, ULPROPTAG => $this->proptags["recurring"], VALUE => true))))))));
// global OR
$contents = mapi_folder_getcontentstable($this->calendar);
mapi_table_restrict($contents, $restrict);
while (1) {
$rows = mapi_table_queryrows($contents, array_values($this->proptags), 0, 50);
if (!is_array($rows)) {
break;
}
if (empty($rows)) {
break;
}
foreach ($rows as $row) {
$occurrences = array();
if (isset($row[$this->proptags['recurring']]) && $row[$this->proptags['recurring']]) {
$recur = new Recurrence($this->store, $row);
$occurrences = $recur->getItems($starttime, $starttime + $length);
} else {
$occurrences[] = $row;
}
$calendaritems = array_merge($calendaritems, $occurrences);
}
}
// $calendaritems now contains all the calendar items in the specified time
// frame. We now need to merge these into a flat array of begin/end/status
// objects. This also filters out all the 'free' items (status 0)
$freebusy = $this->mergeItemsFB($calendaritems);
// $freebusy now contains the start, end and status of all items, merged.
// Get the FB interface
try {
$fbsupport = mapi_freebusysupport_open($this->session, $this->store);
} catch (MAPIException $e) {
if ($e->getCode() == MAPI_E_NOT_FOUND) {
$e->setHandled();
if (function_exists("dump")) {
dump("Error in opening freebusysupport object.");
}
}
}
// Open updater for this user
if (isset($fbsupport) && $fbsupport) {
$updaters = mapi_freebusysupport_loadupdate($fbsupport, array($this->entryid));
$updater = $updaters[0];
// Send the data
mapi_freebusyupdate_reset($updater);
mapi_freebusyupdate_publish($updater, $freebusy);
mapi_freebusyupdate_savechanges($updater, $start - 24 * 60 * 60, $end);
// We're finished
mapi_freebusysupport_close($fbsupport);
} else {
ZLog::Write(LOGLEVEL_WARN, "FreeBusyPublish is not available");
}
}
function readFBfromGAL($emailaddress, $starttime, $endtime)
{
$rows = $this->readResolveRecipientfromGAL($emailaddress);
$fbsupport = mapi_freebusysupport_open($this->_session);
foreach ($rows as $entry) {
$fbDataArray = mapi_freebusysupport_loaddata($fbsupport, array($entry[PR_ENTRYID]));
$res['displayname'] = $entry[PR_DISPLAY_NAME];
$res['emailaddress'] = $entry[PR_SMTP_ADDRESS];
$res['type'] = 1;
$res['entries'] = array();
if ($fbDataArray[0] != NULL) {
foreach ($fbDataArray as $fbDataUser) {
$rangeuser1 = mapi_freebusydata_getpublishrange($fbDataUser);
if ($rangeuser1 == NULL) {
return $result;
}
$enumblock = mapi_freebusydata_enumblocks($fbDataUser, $starttime, $endtime);
mapi_freebusyenumblock_reset($enumblock);
while (true) {
$blocks = mapi_freebusyenumblock_next($enumblock, 100);
if (!$blocks) {
break;
}
foreach ($blocks as $blockItem) {
if ($blockItem['start'] < $starttime) {
$blockItem['start'] = $starttime;
}
if ($blockItem['end'] > $endtime) {
$blockItem['end'] = $endtime;
}
$res['entries'][] = $blockItem;
}
}
}
}
$result[$emailaddress][] = $res;
}
mapi_freebusysupport_close($fbsupport);
return $result;
}
function getFreeBusyInfo($entryID, $start, $end)
{
$result = array();
$fbsupport = mapi_freebusysupport_open($this->session);
if (mapi_last_hresult() != NOERROR) {
if (function_exists("dump")) {
dump("Error in opening freebusysupport object.");
}
return $result;
}
$fbDataArray = mapi_freebusysupport_loaddata($fbsupport, array($entryID));
if ($fbDataArray[0] != NULL) {
foreach ($fbDataArray as $fbDataUser) {
$rangeuser1 = mapi_freebusydata_getpublishrange($fbDataUser);
if ($rangeuser1 == NULL) {
return $result;
}
$enumblock = mapi_freebusydata_enumblocks($fbDataUser, $start, $end);
mapi_freebusyenumblock_reset($enumblock);
while (true) {
$blocks = mapi_freebusyenumblock_next($enumblock, 100);
if (!$blocks) {
break;
}
foreach ($blocks as $blockItem) {
$result[] = $blockItem;
}
}
}
}
mapi_freebusysupport_close($fbsupport);
return $result;
}
/**
* Gets the availability of a user for the given time window.
*
* @param string $to
* @param SyncResolveRecipient $resolveRecipient
* @param SyncResolveRecipientsOptions $resolveRecipientsOptions
*
* @access private
* @return SyncResolveRecipientsAvailability
*/
private function getAvailability($to, $resolveRecipient, $resolveRecipientsOptions)
{
$availability = new SyncResolveRecipientsAvailability();
$availability->status = SYNC_RESOLVERECIPSSTATUS_AVAILABILITY_SUCCESS;
if (!isset($resolveRecipient->id)) {
// TODO this shouldn't happen but try to get the recipient in such a case
}
$fbsupport = mapi_freebusysupport_open($this->session);
if (mapi_last_hresult()) {
ZLog::Write(LOGLEVEL_WARN, sprintf("Unable to open free busy support (0x%08X)", mapi_last_hresult()));
$availability->status = SYNC_RESOLVERECIPSSTATUS_AVAILABILITY_FAILED;
return $availability;
}
$fbDataArray = mapi_freebusysupport_loaddata($fbsupport, array($resolveRecipient->id));
$start = strtotime($resolveRecipientsOptions->availability->starttime);
$end = strtotime($resolveRecipientsOptions->availability->endtime);
// Each digit in the MergedFreeBusy indicates the free/busy status for the user for every 30 minute interval.
$timeslots = intval(ceil(($end - $start) / self::HALFHOURSECONDS));
if ($timeslots > self::MAXFREEBUSYSLOTS) {
throw new StatusException("KopanoBackend->getAvailability(): the requested free busy range is too large.", SYNC_RESOLVERECIPSSTATUS_PROTOCOLERROR);
}
$mergedFreeBusy = str_pad(fbNoData, $timeslots, fbNoData);
if (is_array($fbDataArray) && !empty($fbDataArray)) {
foreach ($fbDataArray as $fbDataUser) {
if ($fbDataUser == null) {
ZLog::Write(LOGLEVEL_INFO, sprintf("KopanoBackend->getAvailability(): freebusy user is null for '%s'. Unable to retrieve his availability.", $resolveRecipient->displayname));
continue;
}
$rangeuser = mapi_freebusydata_getpublishrange($fbDataUser);
if ($rangeuser == null) {
ZLog::Write(LOGLEVEL_INFO, sprintf("KopanoBackend->getAvailability(): Unable to retrieve mapi_freebusydata_getpublishrange (0x%X) for '%s'", mapi_last_hresult(), $resolveRecipient->displayname));
$availability->status = SYNC_RESOLVERECIPSSTATUS_AVAILABILITY_FAILED;
return $availability;
}
// if free busy information is available for the whole requested period,
// assume that the user is free for the requested range.
if ($rangeuser['start'] <= $start && $rangeuser['end'] >= $end) {
$mergedFreeBusy = str_pad(fbFree, $timeslots, fbFree);
} elseif ($rangeuser['end'] <= $start || $rangeuser['start'] >= $end) {
$mergedFreeBusy = str_pad(fbNoData, $timeslots, fbNoData);
} elseif ($rangeuser['start'] > $start && $rangeuser['end'] >= $end) {
$missingSlots = intval(ceil(($rangeuser['start'] - $start) / self::HALFHOURSECONDS));
$mergedFreeBusy = str_pad(fbNoData, $missingSlots, fbNoData) . str_pad(fbFree, $timeslots - $missingSlots, fbFree);
} elseif ($rangeuser['start'] <= $start && $rangeuser['end'] < $end) {
$missingSlots = intval(ceil(($rangeuser['end'] - $end) / self::HALFHOURSECONDS));
$mergedFreeBusy = str_pad(fbFree, $timeslots - $missingSlots, fbFree) . str_pad(fbNoData, $missingSlots, fbNoData);
} else {
$missingBeginSlots = intval(ceil(($rangeuser['start'] - $start) / self::HALFHOURSECONDS));
$missingEndSlots = intval(ceil(($rangeuser['end'] - $end) / self::HALFHOURSECONDS));
$mergedFreeBusy = str_pad(fbNoData, $missingBeginSlots, fbNoData) . str_pad(fbFree, $timeslots - $missingBeginSlots - $missingEndSlots, fbFree) . str_pad(fbNoData, $missingEndSlots, fbNoData);
}
$enumblock = mapi_freebusydata_enumblocks($fbDataUser, $start, $end);
mapi_freebusyenumblock_reset($enumblock);
while (true) {
$blocks = mapi_freebusyenumblock_next($enumblock, self::FREEBUSYENUMBLOCKS);
if (!$blocks) {
break;
}
foreach ($blocks as $blockItem) {
// calculate which timeslot of mergedFreeBusy should be replaced.
$blockDuration = ($blockItem['end'] - $blockItem['start']) / self::HALFHOURSECONDS;
$startSlot = intval(floor(($blockItem['start'] - $start) / self::HALFHOURSECONDS));
$endSlot = intval(floor(($blockItem['end'] - $start) / self::HALFHOURSECONDS));
// check if the end slot is the exact begin of the next slot from request; in such case it's necessary to reduce the endslot.
if ($start + $endSlot * self::HALFHOURSECONDS == $blockItem['end'] && $endSlot > $startSlot) {
$endSlot--;
}
for ($i = $startSlot; $i <= $endSlot; $i++) {
// only set the new slot's free busy status if it's higher than the current one
if ($blockItem['status'] > $mergedFreeBusy[$i]) {
$mergedFreeBusy[$i] = $blockItem['status'];
}
}
}
}
}
}
mapi_freebusysupport_close($fbsupport);
$availability->mergedfreebusy = $mergedFreeBusy;
return $availability;
}
