/**
  * @param WebMailMessageCollection $messageCollection
  * @param DbStorage $dbStorage
  * @param Folder $folder
  * @return bool
  */
 function ApplyFilters(&$messageCollection, &$dbStorage, &$folder)
 {
     $filters =& $dbStorage->SelectFilters($this->Account->Id);
     $lastIdMsg = $dbStorage->SelectLastIdMsg();
     $mailBoxesSize = $dbStorage->SelectMailboxesSize();
     $result = true;
     foreach (array_keys($messageCollection->Instance()) as $key) {
         $message =& $messageCollection->Get($key);
         $needToSave = true;
         if ($this->_settings->EnableMailboxSizeLimit && $this->Account->MailboxLimit < $mailBoxesSize + $message->Size) {
             setGlobalError(ErrorGetMailLimit);
             return false;
         }
         $mailBoxesSize += $message->Size;
         $lastIdMsg += rand(1, 10);
         $message->IdMsg = $lastIdMsg;
         if ($folder->SyncType == FOLDERSYNC_NewEntireMessages || $folder->SyncType == FOLDERSYNC_AllEntireMessages) {
             $result &= $dbStorage->SaveMessage($message, $folder);
         } elseif ($folder->SyncType == FOLDERSYNC_NewHeadersOnly || $folder->SyncType == FOLDERSYNC_AllHeadersOnly) {
             $result &= $dbStorage->SaveMessageHeader($message, $folder, false);
         }
     }
     if ($folder->Type == FOLDERTYPE_Inbox && $result && isset($GLOBALS['useFilters'])) {
         $mailProcessor = new MailProcessor($this->Account);
         foreach (array_keys($filters->Instance()) as $key) {
             $filter =& $filters->Get($key);
             $action = $filter->GetActionToApply($message);
             $uidArray = array($message->Uid);
             $messageIdUidSet[$message->IdMsg] = $message->Uid;
             switch ($action) {
                 case FILTERACTION_DeleteFromServerImmediately:
                     $result &= $mailProcessor->DeleteMessages($messageIdUidSet, $folder);
                     break;
                 case FILTERACTION_MoveToFolder:
                     $toFolder =& new Folder($filter->IdAcct, $filter->IdFolder, '');
                     $dbStorage->GetFolderInfo($toFolder);
                     $result &= $mailProcessor->MoveMessages($messageIdUidSet, $folder, $toFolder);
                     break;
                 case FILTERACTION_MarkGrey:
                     $result &= $mailProcessor->SetFlags($messageIdUidSet, $folder, MESSAGEFLAGS_Grayed, ACTION_Set);
                     break;
             }
         }
     }
     return $result;
 }
 function DoOperationMessagesFunction()
 {
     $_dbStorage = $_settings = $_xmlObj = $_xmlRes = $_accountId = null;
     $this->_initFuncArgs($_dbStorage, $_settings, $_xmlObj, $_xmlRes, $_accountId);
     $_account =& CXmlProcessing::AccountCheckAndLoad($_xmlRes, $_accountId, false, false);
     $_processor = new MailProcessor($_account);
     $_messagesRequestNode =& $_xmlObj->XmlRoot->GetChildNodeByTagName('messages');
     if (!$_messagesRequestNode) {
         CXmlProcessing::PrintErrorAndExit(WebMailException, $_xmlRes);
     }
     $_getmsg = isset($_messagesRequestNode->Attributes['getmsg']) && $_messagesRequestNode->Attributes['getmsg'] == '1';
     $_folderNodeRequest =& $_messagesRequestNode->GetChildNodeByTagName('folder');
     if (isset($_folderNodeRequest->Attributes['id'])) {
         $_folder = new Folder($_accountId, $_folderNodeRequest->Attributes['id'], ConvertUtils::WMBackHtmlSpecialChars($_folderNodeRequest->GetChildValueByTagName('full_name')));
     } else {
         CXmlProcessing::PrintErrorAndExit(WebMailException, $_xmlRes);
     }
     $_processor->GetFolderInfo($_folder, true);
     $_toFolderNodeRequest =& $_messagesRequestNode->GetChildNodeByTagName('to_folder');
     if (isset($_toFolderNodeRequest->Attributes['id'])) {
         $_toFolder = new Folder($_accountId, $_toFolderNodeRequest->Attributes['id'], ConvertUtils::WMBackHtmlSpecialChars($_toFolderNodeRequest->GetChildValueByTagName('full_name')));
     } else {
         CXmlProcessing::PrintErrorAndExit(WebMailException, $_xmlRes);
     }
     $_processor->GetFolderInfo($_toFolder, true);
     $_operationNode = new XmlDomNode('operation_messages');
     $_toFolderNode = new XmlDomNode('to_folder', $_toFolder->FullName, true);
     $_toFolderNode->AppendAttribute('id', $_toFolder->IdDb);
     $_operationNode->AppendChild($_toFolderNode);
     $_folderNode = new XmlDomNode('folder', $_folder->FullName, true);
     $_folderNode->AppendAttribute('id', $_folder->IdDb);
     $_operationNode->AppendChild($_folderNode);
     $_messagesNode = new XmlDomNode('messages');
     $_messagesNode->AppendAttribute('getmsg', $_getmsg ? '1' : '0');
     $_messageIdUidSet = array();
     $_folders = array();
     $_messagesKeys = array_keys($_messagesRequestNode->Children);
     foreach ($_messagesKeys as $_nodeKey) {
         $_messageNode =& $_messagesRequestNode->Children[$_nodeKey];
         if ($_messageNode->TagName != 'message') {
             continue;
         }
         if (!isset($_messageNode->Attributes['id']) || !isset($_messageNode->Attributes['charset']) || !isset($_messageNode->Attributes['size'])) {
             continue;
         }
         $_msgId = $_messageNode->Attributes['id'];
         $_msgCharset = $_messageNode->Attributes['charset'];
         $_msgSize = $_messageNode->Attributes['size'];
         $_msgUid = $_messageNode->GetChildValueByTagName('uid', true);
         $_msgFolder =& $_messageNode->GetChildNodeByTagName('folder');
         if (!isset($_msgFolder->Attributes['id'])) {
             continue;
         }
         $_msgFolderId = $_msgFolder->Attributes['id'];
         $_folders[$_msgFolderId] = $_msgFolder->GetChildValueByTagName('full_name', true);
         if (!isset($_messageIdUidSet[$_msgFolderId])) {
             $_messageIdUidSet[$_msgFolderId] = array();
         }
         $_messageIdUidSet[$_msgFolderId][$_msgId] = $_msgUid;
         $_message = new XmlDomNode('message');
         $_message->AppendAttribute('id', $_msgId);
         $_message->AppendAttribute('charset', $_msgCharset);
         $_message->AppendAttribute('size', $_msgSize);
         $_message->AppendChild(new XmlDomNode('uid', $_msgUid, true));
         $_msgFolderNode = new XmlDomNode('folder', $_folders[$_msgFolderId], true);
         $_msgFolderNode->AppendAttribute('id', $_msgFolderId);
         $_message->AppendChild($_msgFolderNode);
         $_messagesNode->AppendChild($_message);
         unset($_messageNode, $_msgFolder, $_message, $_msgFolderNode);
     }
     $_operationNode->AppendChild($_messagesNode);
     $_errorString = $_typeString = '';
     $_request = $_xmlObj->GetParamValueByName('request');
     switch ($_request) {
         case 'mark_all_read':
             $_messageIdUidSet = null;
             if ($_processor->SetFlags($_messageIdUidSet, $_folder, MESSAGEFLAGS_Seen, ACTION_Set)) {
                 $_typeString = 'mark_all_read';
             } else {
                 $_errorString = PROC_CANT_MARK_ALL_MSG_READ;
             }
             break;
         case 'mark_all_unread':
             $_messageIdUidSet = null;
             if ($_processor->SetFlags($_messageIdUidSet, $_folder, MESSAGEFLAGS_Seen, ACTION_Remove)) {
                 $_typeString = 'mark_all_unread';
             } else {
                 $_errorString = PROC_CANT_MARK_ALL_MSG_UNREAD;
             }
             break;
         case 'purge':
             if (!$_settings->Imap4DeleteLikePop3 && $_account->MailProtocol == MAILPROTOCOL_IMAP4) {
                 if ($_processor->PurgeFolder($_folder)) {
                     $_typeString = 'purge';
                 } else {
                     $_errorString = PROC_CANT_PURGE_MSGS;
                 }
             } else {
                 if ($_processor->EmptyTrash()) {
                     $_typeString = 'purge';
                 } else {
                     $_errorString = PROC_CANT_PURGE_MSGS;
                 }
             }
             break;
         case 'clear_spam':
             if ($_processor->EmptySpam()) {
                 $_typeString = 'clear_spam';
             } else {
                 $_errorString = PROC_CANT_PURGE_MSGS;
             }
             break;
     }
     $_deleteFolderAppendError = false;
     $_foldersArray = array();
     foreach ($_folders as $_idFolder => $_fullNameFolder) {
         if (isset($_foldersArray[$_idFolder])) {
             $_folder =& $_foldersArray[$_idFolder];
         } else {
             $_folder = new Folder($_accountId, $_idFolder, $_fullNameFolder);
             $_processor->GetFolderInfo($_folder, true);
             $_foldersArray[$_idFolder] =& $_folder;
         }
         switch ($_request) {
             case 'no_move_delete':
                 if ($_processor->DeleteMessages($_messageIdUidSet[$_idFolder], $_folder, true)) {
                     $_typeString = 'no_move_delete';
                 } else {
                     $_errorString = PROC_CANT_DEL_MSGS;
                 }
                 break;
             case 'delete':
                 if ($_processor->DeleteMessages($_messageIdUidSet[$_idFolder], $_folder)) {
                     $_typeString = 'delete';
                 } else {
                     if ($_processor->IsMoveError) {
                         $_typeString = 'delete';
                         $_deleteFolderAppendError = true;
                     }
                     $_errorString = PROC_CANT_DEL_MSGS;
                 }
                 break;
             case 'undelete':
                 if ($_processor->SetFlags($_messageIdUidSet[$_idFolder], $_folder, MESSAGEFLAGS_Deleted, ACTION_Remove)) {
                     $_typeString = 'undelete';
                 } else {
                     $_errorString = PROC_CANT_UNDEL_MSGS;
                 }
                 break;
             case 'mark_read':
                 if ($_processor->SetFlags($_messageIdUidSet[$_idFolder], $_folder, MESSAGEFLAGS_Seen, ACTION_Set)) {
                     $_typeString = 'mark_read';
                 } else {
                     $_errorString = PROC_CANT_MARK_MSGS_READ;
                 }
                 break;
             case 'mark_unread':
                 if ($_processor->SetFlags($_messageIdUidSet[$_idFolder], $_folder, MESSAGEFLAGS_Seen, ACTION_Remove)) {
                     $_typeString = 'mark_unread';
                 } else {
                     $_errorString = PROC_CANT_MARK_MSGS_UNREAD;
                 }
                 break;
             case 'flag':
                 if ($_processor->SetFlags($_messageIdUidSet[$_idFolder], $_folder, MESSAGEFLAGS_Flagged, ACTION_Set)) {
                     $_typeString = 'flag';
                 } else {
                     $_errorString = PROC_CANT_SET_MSG_FLAGS;
                 }
                 break;
             case 'unflag':
                 if ($_processor->SetFlags($_messageIdUidSet[$_idFolder], $_folder, MESSAGEFLAGS_Flagged, ACTION_Remove)) {
                     $_typeString = 'unflag';
                 } else {
                     $_errorString = PROC_CANT_REMOVE_MSG_FLAGS;
                 }
                 break;
             case 'copy_to_folder':
                 // TODO
                 if ($_processor->MoveMessages($_messageIdUidSet[$_idFolder], $_folder, $_toFolder)) {
                     $_typeString = 'copy_to_folder';
                 } else {
                     $_errorString = PROC_CANT_CHANGE_MSG_FLD;
                 }
                 break;
             case 'move_to_folder':
                 if ($_processor->MoveMessages($_messageIdUidSet[$_idFolder], $_folder, $_toFolder)) {
                     $_typeString = 'move_to_folder';
                 } else {
                     $_errorString = PROC_CANT_CHANGE_MSG_FLD;
                 }
                 break;
             case 'spam':
                 if ($_processor->SpamMessages($_messageIdUidSet[$_idFolder], $_folder, true)) {
                     $_typeString = 'spam';
                 } else {
                     $_errorString = PROC_CANT_SET_MSG_AS_SPAM;
                 }
                 break;
             case 'not_spam':
                 if ($_processor->SpamMessages($_messageIdUidSet[$_idFolder], $_folder, false)) {
                     $_typeString = 'not_spam';
                 } else {
                     $_errorString = PROC_CANT_SET_MSG_AS_NOTSPAM;
                 }
                 break;
         }
         unset($_folder);
         if (strlen($_errorString) > 0) {
             break;
         }
     }
     if (strlen($_errorString) == 0 && strlen($_typeString) > 0) {
         $_operationNode->AppendAttribute('type', $_typeString);
         $_xmlRes->XmlRoot->AppendChild($_operationNode);
     } else {
         if ($_deleteFolderAppendError) {
             $_operationNode->AppendAttribute('type', $_typeString);
             $_messagesNode->AppendAttribute('no_move', '1');
             $_xmlRes->XmlRoot->AppendChild($_operationNode);
         } else {
             if (strlen($_errorString) == 0) {
                 $_errorString = WebMailException;
             }
             $_xmlRes->XmlRoot->AppendChild(new XmlDomNode('error', $_errorString, true));
         }
     }
 }