/**
* Return message headers object of a specific message
*
* @param int $id Message sequence ID or UID
* @param string $mailbox Mailbox to read from
* @param bool $force True to skip cache
*
* @return rcube_mail_header Message headers
*/
function get_headers($uid, $mailbox = null, $force = false)
{
if (!strlen($mailbox)) {
$mailbox = $this->mailbox;
}
// get cached headers
if (!$force && $uid && ($mcache = $this->get_mcache_engine())) {
$headers = $mcache->get_message($mailbox, $uid);
} else {
$headers = $this->conn->fetchHeader($mailbox, $uid, true, true, $this->get_fetch_headers());
}
return $headers;
}
/**
* Return message headers object of a specific message
*
* @param int $id Message UID
* @param string $folder Folder to read from
* @param bool $force True to skip cache
*
* @return rcube_message_header Message headers
*/
public function get_message_headers($uid, $folder = null, $force = false)
{
if (!strlen($folder)) {
$folder = $this->folder;
}
// get cached headers
if (!$force && $uid && ($mcache = $this->get_mcache_engine())) {
$headers = $mcache->get_message($folder, $uid);
} else {
if (!$this->check_connection()) {
$headers = false;
} else {
$headers = $this->conn->fetchHeader($folder, $uid, true, true, $this->get_fetch_headers());
}
}
return $headers;
}
/**
* @param string $key Cache key
* @param string $from
* @param string $to
* @param string $sort_field
* @param string $sort_order
* @access private
*/
private function get_message_cache($key, $from, $to, $sort_field, $sort_order)
{
if (!$this->caching_enabled) {
return NULL;
}
// use idx sort as default sorting
if (!$sort_field || !in_array($sort_field, $this->db_header_fields)) {
$sort_field = 'idx';
}
$result = array();
$sql_result = $this->db->limitquery("SELECT idx, uid, headers" . " FROM " . get_table_name('messages') . " WHERE user_id=?" . " AND cache_key=?" . " ORDER BY " . $this->db->quoteIdentifier($sort_field) . " " . strtoupper($sort_order), $from, $to - $from, $_SESSION['user_id'], $key);
while ($sql_arr = $this->db->fetch_assoc($sql_result)) {
$uid = intval($sql_arr['uid']);
$result[$uid] = $this->db->decode(unserialize($sql_arr['headers']));
// featch headers if unserialize failed
if (empty($result[$uid])) {
$result[$uid] = $this->conn->fetchHeader(preg_replace('/.msg$/', '', $key), $uid, true, false, $this->get_fetch_headers());
}
}
return $result;
}
/**
* Return message headers object of a specific message
*
* @param int $id Message UID
* @param string $folder Folder to read from
* @param bool $force True to skip cache
*
* @return rcube_message_header Message headers
*/
public function get_message_headers($uid, $folder = null, $force = false)
{
// decode combined UID-folder identifier
if (preg_match('/^\\d+-.+/', $uid)) {
list($uid, $folder) = explode('-', $uid, 2);
}
if (!strlen($folder)) {
$folder = $this->folder;
}
// get cached headers
if (!$force && $uid && ($mcache = $this->get_mcache_engine())) {
$headers = $mcache->get_message($folder, $uid);
} else {
if (!$this->check_connection()) {
$headers = false;
} else {
$headers = $this->conn->fetchHeader($folder, $uid, true, true, $this->get_fetch_headers());
if (is_object($headers)) {
$headers->folder = $folder;
}
}
}
return $headers;
}
