/**
* at which sequence is the message with the highest messageUid (cache + imap)?
*
* @param Felamimail_Model_Folder $_folder
* @param Felamimail_Backend_ImapProxy $_imap
* @param boolean $_updateFolder
* @throws Felamimail_Exception
* @throws Felamimail_Exception_IMAPMessageNotFound
*/
protected function _updateMessageSequence(Felamimail_Model_Folder $_folder, Felamimail_Backend_ImapProxy $_imap, $_updateFolder = TRUE)
{
if ($_folder->imap_totalcount > 0) {
$transactionId = Tinebase_TransactionManager::getInstance()->startTransaction(Tinebase_Core::getDb());
$lastFailedUid = null;
$messageSequence = null;
$decrementMessagesCounter = 0;
$decrementUnreadCounter = 0;
while ($messageSequence === null) {
$latestMessageUidArray = $this->_getLatestMessageUid($_folder);
if (is_array($latestMessageUidArray)) {
$latestMessageId = key($latestMessageUidArray);
$latestMessageUid = current($latestMessageUidArray);
if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . " {$latestMessageId} {$latestMessageUid}");
}
if ($latestMessageUid === $lastFailedUid) {
throw new Felamimail_Exception('Failed to delete invalid messageuid from cache');
}
if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . " Check messageUid {$latestMessageUid} in folder " . $_folder->globalname);
}
try {
$this->_imapMessageSequence = $_imap->resolveMessageUid($latestMessageUid);
$this->_cacheMessageSequence = $_folder->cache_totalcount;
$messageSequence = $this->_imapMessageSequence + 1;
} catch (Zend_Mail_Protocol_Exception $zmpe) {
if (!$_updateFolder) {
throw new Felamimail_Exception_IMAPMessageNotFound('Message not found on IMAP');
}
// message does not exist on imap server anymore, remove from local cache
if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . " messageUid {$latestMessageUid} not found => remove from cache");
}
$lastFailedUid = $latestMessageUid;
$latestMessage = $this->_backend->get($latestMessageId);
$this->_backend->delete($latestMessage);
$decrementMessagesCounter++;
if (!$latestMessage->hasSeenFlag()) {
$decrementUnreadCounter++;
}
}
} else {
$this->_imapMessageSequence = 0;
$messageSequence = 1;
}
if (!$this->_timeLeft()) {
$_folder->cache_status = Felamimail_Model_Folder::CACHE_STATUS_INCOMPLETE;
break;
}
}
Tinebase_TransactionManager::getInstance()->commitTransaction($transactionId);
if ($decrementMessagesCounter > 0 || $decrementUnreadCounter > 0) {
Felamimail_Controller_Folder::getInstance()->updateFolderCounter($_folder, array('cache_totalcount' => "-{$decrementMessagesCounter}", 'cache_unreadcount' => "-{$decrementUnreadCounter}"));
}
}
if (Tinebase_Core::isLogLevel(Zend_Log::DEBUG)) {
Tinebase_Core::getLogger()->debug(__METHOD__ . '::' . __LINE__ . " Cache status cache total count: {$_folder->cache_totalcount} imap total count: {$_folder->imap_totalcount} cache sequence: {$this->_cacheMessageSequence} imap sequence: {$this->_imapMessageSequence}");
}
}
