/**
* Subscribe/unsubscribe a list of folders and update local cache
*/
protected function change_subscription($folders, $mode)
{
$updated = false;
if (!empty($folders)) {
if (!$this->check_connection()) {
return false;
}
foreach ((array)$folders as $i => $folder) {
$folders[$i] = $folder;
if ($mode == 'subscribe') {
$updated = $this->conn->subscribe($folder);
}
else if ($mode == 'unsubscribe') {
$updated = $this->conn->unsubscribe($folder);
}
}
}
// clear cached folders list(s)
if ($updated) {
$this->clear_cache('mailboxes', true);
}
return $updated;
}
/**
* Remove folder from server
*
* @param string $folder Folder name
*
* @return boolean True on success
*/
function delete_folder($folder)
{
$delm = $this->get_hierarchy_delimiter();
if (!$this->check_connection()) {
return false;
}
// get list of folders
if (strpos($folder, '%') === false && strpos($folder, '*') === false) {
$sub_mboxes = $this->list_folders('', $folder . $delm . '*');
} else {
$sub_mboxes = $this->list_folders();
}
// send delete command to server
$result = $this->conn->deleteFolder($folder);
if ($result) {
// unsubscribe folder
$this->conn->unsubscribe($folder);
foreach ($sub_mboxes as $c_mbox) {
if (strpos($c_mbox, $folder . $delm) === 0) {
$this->conn->unsubscribe($c_mbox);
if ($this->conn->deleteFolder($c_mbox)) {
$this->clear_message_cache($c_mbox);
}
}
}
// clear folder-related cache
$this->clear_message_cache($folder);
$this->clear_cache('mailboxes', true);
}
return $result;
}
/**
* Subscribe/unsubscribe a list of mailboxes and update local cache
* @access private
*/
private function _change_subscription($a_mboxes, $mode)
{
$updated = false;
if (is_array($a_mboxes)) {
foreach ($a_mboxes as $i => $mbox_name) {
$mailbox = $this->mod_mailbox($mbox_name);
$a_mboxes[$i] = $mailbox;
if ($mode == 'subscribe') {
$updated = $this->conn->subscribe($mailbox);
} else {
if ($mode == 'unsubscribe') {
$updated = $this->conn->unsubscribe($mailbox);
}
}
}
}
// get cached mailbox list
if ($updated) {
$a_mailbox_cache = $this->get_cache('mailboxes');
if (!is_array($a_mailbox_cache)) {
return $updated;
}
// modify cached list
if ($mode == 'subscribe') {
$a_mailbox_cache = array_merge($a_mailbox_cache, $a_mboxes);
} else {
if ($mode == 'unsubscribe') {
$a_mailbox_cache = array_diff($a_mailbox_cache, $a_mboxes);
}
}
// write mailboxlist to cache
$this->update_cache('mailboxes', $this->_sort_mailbox_list($a_mailbox_cache));
}
return $updated;
}
/**
* Remove folder (with subfolders) from the server
*
* @param string $folder Folder name
*
* @return boolean True on success, False on failure
*/
function delete_folder($folder)
{
if (!$this->check_connection()) {
return false;
}
$delm = $this->get_hierarchy_delimiter();
// get list of sub-folders or all folders
// if folder name contains special characters
$path = strspn($folder, '%*') > 0 ? $folder . $delm : '';
$sub_mboxes = $this->list_folders('', $path . '*');
// According to RFC3501 deleting a \Noselect folder
// with subfolders may fail. To workaround this we delete
// subfolders first (in reverse order) (#5466)
if (!empty($sub_mboxes)) {
foreach (array_reverse($sub_mboxes) as $mbox) {
if (strpos($mbox, $folder . $delm) === 0) {
if ($this->conn->deleteFolder($mbox)) {
$this->conn->unsubscribe($mbox);
$this->clear_message_cache($mbox);
}
}
}
}
// delete the folder
if ($result = $this->conn->deleteFolder($folder)) {
// and unsubscribe it
$this->conn->unsubscribe($folder);
$this->clear_message_cache($folder);
}
$this->clear_cache('mailboxes', true);
return $result;
}
/**
* Subscribe/unsubscribe a list of mailboxes and update local cache
* @access private
*/
private function _change_subscription($a_mboxes, $mode)
{
$updated = false;
if (is_array($a_mboxes)) {
foreach ($a_mboxes as $i => $mailbox) {
$a_mboxes[$i] = $mailbox;
if ($mode == 'subscribe') {
$updated = $this->conn->subscribe($mailbox);
} else {
if ($mode == 'unsubscribe') {
$updated = $this->conn->unsubscribe($mailbox);
}
}
}
}
// clear cached mailbox list(s)
if ($updated) {
$this->clear_cache('mailboxes', true);
}
return $updated;
}
