list.inc
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list.inc
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	<?php

	/*
	+-----------------------------------------------------------------------+
	\| program/steps/mail/list.inc \|
	\| \|
	\| This file is part of the Roundcube Webmail client \|
	\| Copyright (C) 2005-2014, The Roundcube Dev Team \|
	\| \|
	\| Licensed under the GNU General Public License version 3 or \|
	\| any later version with exceptions for skins & plugins. \|
	\| See the README file for a full license statement. \|
	\| \|
	\| PURPOSE: \|
	\| Send message list to client (as remote response) \|
	\| \|
	+-----------------------------------------------------------------------+
	\| Author: Thomas Bruederli <roundcube@gmail.com> \|
	+-----------------------------------------------------------------------+
	*/

	if (!$OUTPUT->ajax_call) {
	return;
	}

	$save_arr = array();
	$dont_override = (array) $RCMAIL->config->get('dont_override');

	// is there a sort type for this request?
	if ($sort = rcube_utils::get_input_value('_sort', rcube_utils::INPUT_GET)) {
	// yes, so set the sort vars
	list($sort_col, $sort_order) = explode('_', $sort);

	// set session vars for sort (so next page and task switch know how to sort)
	if (!in_array('message_sort_col', $dont_override)) {
	$_SESSION['sort_col'] = $save_arr['message_sort_col'] = $sort_col;
	}
	if (!in_array('message_sort_order', $dont_override)) {
	$_SESSION['sort_order'] = $save_arr['message_sort_order'] = $sort_order;
	}
	}

	// is there a set of columns for this request?
	if ($cols = rcube_utils::get_input_value('_cols', rcube_utils::INPUT_GET)) {
	$_SESSION['list_attrib']['columns'] = explode(',', $cols);
	if (!in_array('list_cols', $dont_override)) {
	$save_arr['list_cols'] = explode(',', $cols);
	}
	}

	if (!empty($save_arr)) {
	$RCMAIL->user->save_prefs($save_arr);
	}

	$mbox_name = $RCMAIL->storage->get_folder();
	$threading = (bool) $RCMAIL->storage->get_threading();

	// Synchronize mailbox cache, handle flag changes
	$RCMAIL->storage->folder_sync($mbox_name);

	// initialize searching result if search_filter is used
	if ($_SESSION['search_filter'] && $_SESSION['search_filter'] != 'ALL') {
	$search_request = md5($mbox_name.$_SESSION['search_scope'].$_SESSION['search_filter']);
	$RCMAIL->storage->search($mbox_name, $_SESSION['search_filter'], RCUBE_CHARSET, rcmail_sort_column());

	$_SESSION['search'] = $RCMAIL->storage->get_search_set();
	$_SESSION['search_request'] = $search_request;

	$OUTPUT->set_env('search_request', $search_request);
	$OUTPUT->set_env('search_filter', $_SESSION['search_filter']);

	$multifolder = is_a($_SESSION['search'][1], 'rcube_result_multifolder');
	}

	// fetch message headers
	if ($count = $RCMAIL->storage->count($mbox_name, $threading ? 'THREADS' : 'ALL', !empty($_REQUEST['_refresh']))) {
	$a_headers = $RCMAIL->storage->list_messages($mbox_name, NULL, rcmail_sort_column(), rcmail_sort_order());
	}

	// update search set (possible change of threading mode)
	if (!empty($_REQUEST['_search']) && isset($_SESSION['search'])
	&& $_SESSION['search_request'] == $_REQUEST['_search']
	) {
	$search_request = $_REQUEST['_search'];
	$_SESSION['search'] = $RCMAIL->storage->get_search_set();
	}
	// remove old search data
	else if (empty($_REQUEST['_search']) && isset($_SESSION['search'])) {
	$RCMAIL->session->remove('search');
	}

	rcmail_list_pagetitle();

	// update mailboxlist
	if (empty($search_request)) {
	rcmail_send_unread_count($mbox_name, !empty($_REQUEST['_refresh']), empty($a_headers) ? 0 : null);
	}

	// update message count display
	$pages = ceil($count/$RCMAIL->storage->get_pagesize());
	$page = $count ? $RCMAIL->storage->get_page() : 1;
	$exists = $RCMAIL->storage->count($mbox_name, 'EXISTS', true);

	$OUTPUT->set_env('messagecount', $count);
	$OUTPUT->set_env('pagecount', $pages);
	$OUTPUT->set_env('threading', $threading);
	$OUTPUT->set_env('current_page', $page);
	$OUTPUT->set_env('exists', $exists);
	$OUTPUT->command('set_rowcount', rcmail_get_messagecount_text($count), $mbox_name);

	// remove old message rows if commanded by the client
	if (!empty($_REQUEST['_clear'])) {
	$OUTPUT->command('clear_message_list');
	}

	// add message rows
	rcmail_js_message_list($a_headers, false, $cols);

	if (isset($a_headers) && count($a_headers)) {
	if ($search_request) {
	$OUTPUT->show_message('searchsuccessful', 'confirmation', array('nr' => $count));
	}

	// remember last HIGHESTMODSEQ value (if supported)
	// we need it for flag updates in check-recent
	$data = $RCMAIL->storage->folder_data($mbox_name);
	if (!empty($data['HIGHESTMODSEQ'])) {
	$_SESSION['list_mod_seq'] = $data['HIGHESTMODSEQ'];
	}
	}
	else {
	// handle IMAP errors (e.g. #1486905)
	if ($err_code = $RCMAIL->storage->get_error_code()) {
	$RCMAIL->display_server_error();
	}
	else if ($search_request) {
	$OUTPUT->show_message('searchnomatch', 'notice');
	}
	else {
	$OUTPUT->show_message('nomessagesfound', 'notice');
	}
	}

	// set trash folder state
	if ($mbox_name === $RCMAIL->config->get('trash_mbox')) {
	$OUTPUT->command('set_trash_count', $exists);
	}

	if ($page == 1) {
	$OUTPUT->command('set_quota', $RCMAIL->quota_content(null, $multifolder ? 'INBOX' : $mbox_name));
	}

	// send response
	$OUTPUT->send();

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