From f52c936f4d451a5d3a87d2501aa5a1701cdafde5 Mon Sep 17 00:00:00 2001 From: thomascube Date: Wed, 17 Mar 2010 12:24:09 +0000 Subject: Merged devel-threads branch (r3066:3364) back into trunk --- program/include/rcube_imap.php | 644 ++++++++++++++++++++++++++++++++++------- 1 file changed, 540 insertions(+), 104 deletions(-) (limited to 'program/include/rcube_imap.php') diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php index 91d36c2a3..332d53029 100644 --- a/program/include/rcube_imap.php +++ b/program/include/rcube_imap.php @@ -5,7 +5,7 @@ | program/include/rcube_imap.php | | | | This file is part of the RoundCube Webmail client | - | Copyright (C) 2005-2009, RoundCube Dev. - Switzerland | + | Copyright (C) 2005-2010, RoundCube Dev. - Switzerland | | Licensed under the GNU GPL | | | | PURPOSE: | @@ -41,35 +41,40 @@ require_once('lib/tnef_decoder.inc'); */ class rcube_imap { - var $db; - var $conn; - var $root_dir = ''; - var $mailbox = 'INBOX'; - var $list_page = 1; - var $page_size = 10; - var $sort_field = 'date'; - var $sort_order = 'DESC'; - var $index_sort = true; - var $delimiter = NULL; - var $caching_enabled = FALSE; - var $default_charset = 'ISO-8859-1'; - var $struct_charset = NULL; - var $default_folders = array('INBOX'); - var $fetch_add_headers = ''; - var $cache = array(); - var $cache_keys = array(); - var $cache_changes = array(); - var $uid_id_map = array(); - var $msg_headers = array(); - var $skip_deleted = FALSE; - var $search_set = NULL; - var $search_string = ''; - var $search_charset = ''; - var $search_sort_field = ''; - var $debug_level = 1; - var $error_code = 0; - var $options = array('auth_method' => 'check'); - + public $debug_level = 1; + public $error_code = 0; + public $skip_deleted = false; + public $root_dir = ''; + public $page_size = 10; + public $list_page = 1; + public $delimiter = NULL; + public $threading = false; + public $fetch_add_headers = ''; + public $conn; + + private $db; + private $root_ns = ''; + private $mailbox = 'INBOX'; + private $sort_field = ''; + private $sort_order = 'DESC'; + private $caching_enabled = false; + private $default_charset = 'ISO-8859-1'; + private $struct_charset = NULL; + private $default_folders = array('INBOX'); + private $default_folders_lc = array('inbox'); + private $icache = array(); + private $cache = array(); + private $cache_keys = array(); + private $cache_changes = array(); + private $uid_id_map = array(); + private $msg_headers = array(); + public $search_set = NULL; + public $search_string = ''; + private $search_charset = ''; + private $search_sort_field = ''; + private $search_threads = false; + private $db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size'); + private $options = array('auth_method' => 'check'); private $host, $user, $pass, $port, $ssl; @@ -299,17 +304,18 @@ class rcube_imap * @param string Charset of search string * @param string Sorting field */ - function set_search_set($str=null, $msgs=null, $charset=null, $sort_field=null) + function set_search_set($str=null, $msgs=null, $charset=null, $sort_field=null, $threads=false) { if (is_array($str) && $msgs == null) - list($str, $msgs, $charset, $sort_field) = $str; + list($str, $msgs, $charset, $sort_field, $threads) = $str; if ($msgs != null && !is_array($msgs)) $msgs = explode(',', $msgs); - + $this->search_string = $str; $this->search_set = $msgs; $this->search_charset = $charset; $this->search_sort_field = $sort_field; + $this->search_threads = $threads; } @@ -319,7 +325,12 @@ class rcube_imap */ function get_search_set() { - return array($this->search_string, $this->search_set, $this->search_charset, $this->search_sort_field); + return array($this->search_string, + $this->search_set, + $this->search_charset, + $this->search_sort_field, + $this->search_threads, + ); } @@ -348,6 +359,30 @@ class rcube_imap } + /** + * Sets threading flag to the best supported THREAD algorithm + * + * @param boolean TRUE to enable and FALSE + * @return string Algorithm or false if THREAD is not supported + * @access public + */ + function set_threading($enable=false) + { + $this->threading = false; + + if ($enable) { + if ($this->get_capability('THREAD=REFS')) + $this->threading = 'REFS'; + else if ($this->get_capability('THREAD=REFERENCES')) + $this->threading = 'REFERENCES'; + else if ($this->get_capability('THREAD=ORDEREDSUBJECT')) + $this->threading = 'ORDEREDSUBJECT'; + } + + return $this->threading; + } + + /** * Checks the PERMANENTFLAGS capability of the current mailbox * and returns true if the given flag is supported by the IMAP server @@ -480,11 +515,15 @@ class rcube_imap if (empty($mailbox)) $mailbox = $this->mailbox; - - // count search set - if ($this->search_string && $mailbox == $this->mailbox && $mode == 'ALL' && !$force) - return count((array)$this->search_set); + // count search set + if ($this->search_string && $mailbox == $this->mailbox && ($mode == 'ALL' || $mode == 'THREADS') && !$force) { + if ($this->search_threads) + return $mode == 'ALL' ? count((array)$this->search_set['depth']) : count((array)$this->search_set['tree']); + else + return count((array)$this->search_set); + } + $a_mailbox_cache = $this->get_cache('messagecount'); // return cached value @@ -494,8 +533,11 @@ class rcube_imap if (!is_array($a_mailbox_cache[$mailbox])) $a_mailbox_cache[$mailbox] = array(); + if ($mode == 'THREADS') + $count = $this->_threadcount($mailbox); + // RECENT count is fetched a bit different - if ($mode == 'RECENT') + else if ($mode == 'RECENT') $count = iil_C_CheckForRecent($this->conn, $mailbox); // use SEARCH for message counting @@ -533,6 +575,24 @@ class rcube_imap } + /** + * Private method for getting nr of threads + * + * @access private + * @see rcube_imap::messagecount() + */ + private function _threadcount($mailbox) + { + if (!empty($this->icache['threads'])) + return count($this->icache['threads']['tree']); + + list ($thread_tree, $msg_depth, $has_children) = $this->_fetch_threads($mailbox); + +// $this->update_thread_cache($mailbox, $thread_tree, $msg_depth, $has_children); + return count($thread_tree); + } + + /** * Public method for listing headers * convert mailbox name with root dir first @@ -567,6 +627,9 @@ class rcube_imap if ($this->search_string && $mailbox == $this->mailbox) return $this->_list_header_set($mailbox, $page, $sort_field, $sort_order, $slice); + if ($this->threading) + return $this->_list_thread_headers($mailbox, $page, $sort_field, $sort_order, $recursive, $slice); + $this->_set_sort_order($sort_field, $sort_order); $page = $page ? $page : $this->list_page; @@ -593,8 +656,8 @@ class rcube_imap // retrieve headers from IMAP $a_msg_headers = array(); - // use message index sort for sorting by Date (for better performance) - if ($this->index_sort && $this->sort_field == 'date') + // use message index sort as default sorting (for better performance) + if (!$this->sort_field) { if ($this->skip_deleted) { // @TODO: this could be cached @@ -670,6 +733,140 @@ class rcube_imap } + /** + * Private method for listing message headers using threads + * + * @access private + * @see rcube_imap::list_headers + */ + private function _list_thread_headers($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $recursive=FALSE, $slice=0) + { + $this->_set_sort_order($sort_field, $sort_order); + + $page = $page ? $page : $this->list_page; +// $cache_key = $mailbox.'.msg'; +// $cache_status = $this->check_cache_status($mailbox, $cache_key); + + // get all threads (default sort order) + list ($thread_tree, $msg_depth, $has_children) = $this->_fetch_threads($mailbox); + + if (empty($thread_tree)) + return array(); + + $msg_index = $this->_sort_threads($mailbox, $thread_tree); + + return $this->_fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, + $msg_index, $page, $slice); + } + + + /** + * Private method for fetching threads data + * + * @param string Mailbox/folder name + * @return array Array with thread data + * @access private + */ + private function _fetch_threads($mailbox) + { + if (empty($this->icache['threads'])) { + // get all threads + list ($thread_tree, $msg_depth, $has_children) = iil_C_Thread($this->conn, + $mailbox, $this->threading, $this->skip_deleted ? 'UNDELETED' : ''); + + // add to internal (fast) cache + $this->icache['threads'] = array(); + $this->icache['threads']['tree'] = $thread_tree; + $this->icache['threads']['depth'] = $msg_depth; + $this->icache['threads']['has_children'] = $has_children; + } + + return array( + $this->icache['threads']['tree'], + $this->icache['threads']['depth'], + $this->icache['threads']['has_children'], + ); + } + + + /** + * Private method for fetching threaded messages headers + * + * @access private + */ + private function _fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0) + { + $cache_key = $mailbox.'.msg'; + // now get IDs for current page + list($begin, $end) = $this->_get_message_range(count($msg_index), $page); + $msg_index = array_slice($msg_index, $begin, $end-$begin); + + if ($slice) + $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); + + if ($this->sort_order == 'DESC') + $msg_index = array_reverse($msg_index); + + // flatten threads array + // @TODO: fetch children only in expanded mode + $all_ids = array(); + foreach($msg_index as $root) { + $all_ids[] = $root; + if (!empty($thread_tree[$root])) + $all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root])); + } + + // fetch reqested headers from server + $this->_fetch_headers($mailbox, $all_ids, $a_msg_headers, $cache_key); + + // return empty array if no messages found + if (!is_array($a_msg_headers) || empty($a_msg_headers)) + return array(); + + // use this class for message sorting + $sorter = new rcube_header_sorter(); + $sorter->set_sequence_numbers($all_ids); + $sorter->sort_headers($a_msg_headers); + + // Set depth, has_children and unread_children fields in headers + $this->_set_thread_flags($a_msg_headers, $msg_depth, $has_children); + + return array_values($a_msg_headers); + } + + + /** + * Private method for setting threaded messages flags: + * depth, has_children and unread_children + * + * @param array Reference to headers array indexed by message ID + * @param array Array of messages depth indexed by message ID + * @param array Array of messages children flags indexed by message ID + * @return array Message headers array indexed by message ID + * @access private + */ + private function _set_thread_flags(&$headers, $msg_depth, $msg_children) + { + $parents = array(); + + foreach ($headers as $idx => $header) { + $id = $header->id; + $depth = $msg_depth[$id]; + $parents = array_slice($parents, 0, $depth); + + if (!empty($parents)) { + $headers[$idx]->parent_uid = end($parents); + if (!$header->seen) + $headers[$parents[0]]->unread_children++; + } + array_push($parents, $header->uid); + + $headers[$idx]->depth = $depth; + $headers[$idx]->has_children = $msg_children[$id]; + } + } + + /** * Private method for listing a set of message headers (search results) * @@ -687,6 +884,14 @@ class rcube_imap if (!strlen($mailbox) || empty($this->search_set)) return array(); + // use saved messages from searching + if ($this->threading) + return $this->_list_thread_header_set($mailbox, $page, $sort_field, $sort_order, $slice); + + // search set is threaded, we need a new one + if ($this->search_threads) + $this->search('', $this->search_string, $this->search_charset, $sort_field); + $msgs = $this->search_set; $a_msg_headers = array(); $page = $page ? $page : $this->list_page; @@ -694,8 +899,8 @@ class rcube_imap $this->_set_sort_order($sort_field, $sort_order); - // quickest method - if ($this->index_sort && $this->search_sort_field == 'date' && $this->sort_field == 'date') + // quickest method (default sorting) + if (!$this->search_sort_field && !$this->sort_field) { if ($sort_order == 'DESC') $msgs = array_reverse($msgs); @@ -716,8 +921,9 @@ class rcube_imap return array_values($a_msg_headers); } + // sorted messages, so we can first slice array and then fetch only wanted headers - if ($this->get_capability('sort') && (!$this->index_sort || $this->sort_field != 'date')) // SORT searching result + if ($this->get_capability('sort')) // SORT searching result { // reset search set if sorting field has been changed if ($this->sort_field && $this->search_sort_field != $this->sort_field) @@ -745,10 +951,10 @@ class rcube_imap return array_values($a_msg_headers); } - else { // SEARCH searching result, need sorting + else { // SEARCH result, need sorting $cnt = count($msgs); // 300: experimantal value for best result - if (($cnt > 300 && $cnt > $this->page_size) || ($this->index_sort && $this->sort_field == 'date')) { + if (($cnt > 300 && $cnt > $this->page_size) || !$this->sort_field) { // use memory less expensive (and quick) method for big result set $a_index = $this->message_index('', $this->sort_field, $this->sort_order); // get messages uids for one page... @@ -790,6 +996,40 @@ class rcube_imap } + /** + * Private method for listing a set of threaded message headers (search results) + * + * @param string Mailbox/folder name + * @param int Current page to list + * @param string Header field to sort by + * @param string Sort order [ASC|DESC] + * @param boolean Number of slice items to extract from result array + * @return array Indexed array with message header objects + * @access private + * @see rcube_imap::list_header_set() + */ + private function _list_thread_header_set($mailbox, $page=NULL, $sort_field=NULL, $sort_order=NULL, $slice=0) + { + // update search_set if previous data was fetched with disabled threading + if (!$this->search_threads) + $this->search('', $this->search_string, $this->search_charset, $sort_field); + + $thread_tree = $this->search_set['tree']; + $msg_depth = $this->search_set['depth']; + $has_children = $this->search_set['children']; + $a_msg_headers = array(); + + $page = $page ? $page : $this->list_page; + $start_msg = ($page-1) * $this->page_size; + + $this->_set_sort_order($sort_field, $sort_order); + + $msg_index = $this->_sort_threads($mailbox, $thread_tree, array_keys($msg_depth)); + + return $this->_fetch_thread_headers($mailbox, $thread_tree, $msg_depth, $has_children, $msg_index, $page, $slice=0); + } + + /** * Helper function to get first and last index of the requested set * @@ -901,18 +1141,22 @@ class rcube_imap */ function message_index($mbox_name='', $sort_field=NULL, $sort_order=NULL) { + if ($this->threading) + return $this->thread_index($mbox_name, $sort_field, $sort_order); + $this->_set_sort_order($sort_field, $sort_order); $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.msgi"; // we have a saved search result, get index from there - if (!isset($this->cache[$key]) && $this->search_string && $mailbox == $this->mailbox) + if (!isset($this->cache[$key]) && $this->search_string + && !$this->search_threads && $mailbox == $this->mailbox) { $this->cache[$key] = array(); - // use message index sort for sorting by Date - if ($this->index_sort && $this->sort_field == 'date') + // use message index sort as default sorting + if (!$this->sort_field) { $msgs = $this->search_set; @@ -937,7 +1181,8 @@ class rcube_imap } else { - $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, join(',', $this->search_set), $this->sort_field, $this->skip_deleted); + $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, + join(',', $this->search_set), $this->sort_field, $this->skip_deleted); if ($this->sort_order=="ASC") asort($a_index); @@ -963,8 +1208,8 @@ class rcube_imap return array_keys($a_index); } - // use message index sort for sorting by Date - if ($this->index_sort && $this->sort_field == 'date') + // use message index sort as default sorting + if (!$this->sort_field) { if ($this->skip_deleted) { $a_index = $this->_search_index($mailbox, 'ALL'); @@ -1001,10 +1246,91 @@ class rcube_imap } + /** + * Return sorted array of threaded message IDs (not UIDs) + * + * @param string Mailbox to get index from + * @param string Sort column + * @param string Sort order [ASC, DESC] + * @return array Indexed array with message IDs + */ + function thread_index($mbox_name='', $sort_field=NULL, $sort_order=NULL) + { + $this->_set_sort_order($sort_field, $sort_order); + + $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; + $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.thi"; + + // we have a saved search result, get index from there + if (!isset($this->cache[$key]) && $this->search_string + && $this->search_threads && $mailbox == $this->mailbox) + { + // use message IDs for better performance + $ids = array_keys_recursive($this->search_set['tree']); + $this->cache[$key] = $this->_flatten_threads($mailbox, $this->search_set['tree'], $ids); + } + + // have stored it in RAM + if (isset($this->cache[$key])) + return $this->cache[$key]; +/* + // check local cache + $cache_key = $mailbox.'.msg'; + $cache_status = $this->check_cache_status($mailbox, $cache_key); + + // cache is OK + if ($cache_status>0) + { + $a_index = $this->get_message_cache_index($cache_key, TRUE, $this->sort_field, $this->sort_order); + return array_keys($a_index); + } +*/ + // get all threads (default sort order) + list ($thread_tree) = $this->_fetch_threads($mailbox); + + $this->cache[$key] = $this->_flatten_threads($mailbox, $thread_tree); + + return $this->cache[$key]; + } + + + /** + * Return array of threaded messages (all, not only roots) + * + * @param string Mailbox to get index from + * @param array Threaded messages array (see _fetch_threads()) + * @param array Message IDs if we know what we need (e.g. search result) + * for better performance + * @return array Indexed array with message IDs + * + * @access private + */ + private function _flatten_threads($mailbox, $thread_tree, $ids=null) + { + if (empty($thread_tree)) + return array(); + + $msg_index = $this->_sort_threads($mailbox, $thread_tree, $ids); + + if ($this->sort_order == 'DESC') + $msg_index = array_reverse($msg_index); + + // flatten threads array + $all_ids = array(); + foreach($msg_index as $root) { + $all_ids[] = $root; + if (!empty($thread_tree[$root])) + $all_ids = array_merge($all_ids, array_keys_recursive($thread_tree[$root])); + } + + return $all_ids; + } + + /** * @access private */ - function sync_header_index($mailbox) + private function sync_header_index($mailbox) { $cache_key = $mailbox.'.msg'; $cache_index = $this->get_message_cache_index($cache_key); @@ -1102,7 +1428,7 @@ class rcube_imap $results = $this->search($mbox_name, $res, NULL, $sort_field); } - $this->set_search_set($str, $results, $charset, $sort_field); + $this->set_search_set($str, $results, $charset, $sort_field, (bool)$this->threading); return $results; } @@ -1122,7 +1448,17 @@ class rcube_imap if ($this->skip_deleted && !preg_match('/UNDELETED/', $criteria)) $criteria = 'UNDELETED '.$criteria; - if ($sort_field && $this->get_capability('sort') && (!$this->index_sort || $sort_field != 'date')) { + if ($this->threading) { + list ($thread_tree, $msg_depth, $has_children) = iil_C_Thread($this->conn, + $mailbox, $this->threading, $criteria, $charset); + + $a_messages = array( + 'tree' => $thread_tree, + 'depth' => $msg_depth, + 'children' => $has_children + ); + } + else if ($sort_field && $this->get_capability('sort')) { $charset = $charset ? $charset : $this->default_charset; $a_messages = iil_C_Sort($this->conn, $mailbox, $sort_field, $criteria, FALSE, $charset); } @@ -1135,7 +1471,7 @@ class rcube_imap $a_messages = iil_C_Search($this->conn, $mailbox, ($charset ? "CHARSET $charset " : '') . $criteria); // I didn't found that SEARCH always returns sorted IDs - if ($this->index_sort && $this->sort_field == 'date') + if (!$this->sort_field) sort($a_messages); } } @@ -1148,6 +1484,90 @@ class rcube_imap } + /** + * Sort thread + * + * @param string Mailbox name + * @param array Unsorted thread tree (iil_C_Thread() result) + * @param array Message IDs if we know what we need (e.g. search result) + * @return array Sorted roots IDs + * @access private + */ + private function _sort_threads($mailbox, $thread_tree, $ids=NULL) + { + // THREAD=ORDEREDSUBJECT: sorting by sent date of root message + // THREAD=REFERENCES: sorting by sent date of root message + // THREAD=REFS: sorting by the most recent date in each thread + // default sorting + if (!$this->sort_field || ($this->sort_field == 'date' && $this->threading == 'REFS')) { + return array_keys($thread_tree); + } + // here we'll implement REFS sorting, for performance reason + else { // ($sort_field == 'date' && $this->threading != 'REFS') + // use SORT command + if ($this->get_capability('sort')) { + $a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, + !empty($ids) ? $ids : ($this->skip_deleted ? 'UNDELETED' : '')); + } + else { + // fetch specified headers for all messages and sort them + $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, !empty($ids) ? $ids : "1:*", + $this->sort_field, $this->skip_deleted); + asort($a_index); // ASC + $a_index = array_values($a_index); + } + + return $this->_sort_thread_refs($thread_tree, $a_index); + } + } + + + /** + * THREAD=REFS sorting implementation + * + * @param array Thread tree array (message identifiers as keys) + * @param array Array of sorted message identifiers + * @return array Array of sorted roots messages + * @access private + */ + private function _sort_thread_refs($tree, $index) + { + if (empty($tree)) + return array(); + + $index = array_combine(array_values($index), $index); + + // assign roots + foreach ($tree as $idx => $val) { + $index[$idx] = $idx; + if (!empty($val)) { + $idx_arr = array_keys_recursive($tree[$idx]); + foreach ($idx_arr as $subidx) + $index[$subidx] = $idx; + } + } + + $index = array_values($index); + + // create sorted array of roots + $msg_index = array(); + if ($this->sort_order != 'DESC') { + foreach ($index as $idx) + if (!isset($msg_index[$idx])) + $msg_index[$idx] = $idx; + $msg_index = array_values($msg_index); + } + else { + for ($x=count($index)-1; $x>=0; $x--) + if (!isset($msg_index[$index[$x]])) + $msg_index[$index[$x]] = $index[$x]; + $msg_index = array_reverse($msg_index); + } + + return $msg_index; + } + + /** * Refresh saved search set * @@ -1156,7 +1576,8 @@ class rcube_imap function refresh_search() { if (!empty($this->search_string)) - $this->search_set = $this->search('', $this->search_string, $this->search_charset, $this->search_sort_field); + $this->search_set = $this->search('', $this->search_string, $this->search_charset, + $this->search_sort_field, $this->search_threads); return $this->get_search_set(); } @@ -1760,7 +2181,7 @@ class rcube_imap * @return boolean True on success, False on error */ function move_message($uids, $to_mbox, $from_mbox='') - { + { $fbox = $from_mbox; $tbox = $to_mbox; $to_mbox = $this->mod_mailbox($to_mbox); @@ -1802,25 +2223,35 @@ class rcube_imap } // moving failed else if ($config->get('delete_always', false) && $tbox == $config->get('trash_mbox')) { - return $this->delete_message($a_uids, $fbox); + $moved = $this->delete_message($a_uids, $fbox); } - // remove message ids from search set - if ($moved && $this->search_set && $from_mbox == $this->mailbox) { - foreach ($a_uids as $uid) - $a_mids[] = $this->_uid2id($uid, $from_mbox); - $this->search_set = array_diff($this->search_set, $a_mids); - } + if ($moved) { + // unset threads internal cache + unset($this->icache['threads']); + + // remove message ids from search set + if ($this->search_set && $from_mbox == $this->mailbox) { + // threads are too complicated to just remove messages from set + if ($this->search_threads) + $this->refresh_search(); + else { + foreach ($a_uids as $uid) + $a_mids[] = $this->_uid2id($uid, $from_mbox); + $this->search_set = array_diff($this->search_set, $a_mids); + } + } - // update cached message headers - $cache_key = $from_mbox.'.msg'; - if ($moved && $start_index = $this->get_message_cache_index_min($cache_key, $a_uids)) { - // clear cache from the lowest index on - $this->clear_message_cache($cache_key, $start_index); - } + // update cached message headers + $cache_key = $from_mbox.'.msg'; + if ($start_index = $this->get_message_cache_index_min($cache_key, $a_uids)) { + // clear cache from the lowest index on + $this->clear_message_cache($cache_key, $start_index); + } + } return $moved; - } + } /** @@ -1831,7 +2262,7 @@ class rcube_imap * @return boolean True on success, False on error */ function delete_message($uids, $mbox_name='') - { + { $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; // convert the list of uids to array @@ -1843,31 +2274,38 @@ class rcube_imap $deleted = iil_C_Delete($this->conn, $mailbox, join(',', $a_uids)); - // send expunge command in order to have the deleted message - // really deleted from the mailbox - if ($deleted) - { + if ($deleted) { + // send expunge command in order to have the deleted message + // really deleted from the mailbox $this->_expunge($mailbox, FALSE, $a_uids); $this->_clear_messagecount($mailbox); unset($this->uid_id_map[$mailbox]); - } - // remove message ids from search set - if ($deleted && $this->search_set && $mailbox == $this->mailbox) { - foreach ($a_uids as $uid) - $a_mids[] = $this->_uid2id($uid, $mailbox); - $this->search_set = array_diff($this->search_set, $a_mids); - } + // unset threads internal cache + unset($this->icache['threads']); + + // remove message ids from search set + if ($this->search_set && $mailbox == $this->mailbox) { + // threads are too complicated to just remove messages from set + if ($this->search_threads) + $this->refresh_search(); + else { + foreach ($a_uids as $uid) + $a_mids[] = $this->_uid2id($uid, $mailbox); + $this->search_set = array_diff($this->search_set, $a_mids); + } + } - // remove deleted messages from cache - $cache_key = $mailbox.'.msg'; - if ($deleted && $start_index = $this->get_message_cache_index_min($cache_key, $a_uids)) { - // clear cache from the lowest index on - $this->clear_message_cache($cache_key, $start_index); + // remove deleted messages from cache + $cache_key = $mailbox.'.msg'; + if ($start_index = $this->get_message_cache_index_min($cache_key, $a_uids)) { + // clear cache from the lowest index on + $this->clear_message_cache($cache_key, $start_index); } + } return $deleted; - } + } /** @@ -2422,13 +2860,11 @@ class rcube_imap private function get_message_cache($key, $from, $to, $sort_field, $sort_order) { $cache_key = "$key:$from:$to:$sort_field:$sort_order"; - $db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size'); $config = rcmail::get_instance()->config; - // use idx sort for sorting by Date with index_sort=true or for unknown field - if (($sort_field == 'date' && $this->index_sort) - || !in_array($sort_field, $db_header_fields)) { + // use idx sort as default sorting + if (!$sort_field || !in_array($sort_field, $this->db_header_fields)) { $sort_field = 'idx'; } @@ -2465,9 +2901,9 @@ class rcube_imap */ private function &get_cached_message($key, $uid) { - $internal_key = '__single_msg'; + $internal_key = 'message'; - if ($this->caching_enabled && !isset($this->cache[$internal_key][$uid])) + if ($this->caching_enabled && !isset($this->icache[$internal_key][$uid])) { $sql_result = $this->db->query( "SELECT idx, headers, structure @@ -2482,13 +2918,13 @@ class rcube_imap if ($sql_arr = $this->db->fetch_assoc($sql_result)) { $this->uid_id_map[preg_replace('/\.msg$/', '', $key)][$uid] = $sql_arr['idx']; - $this->cache[$internal_key][$uid] = $this->db->decode(unserialize($sql_arr['headers'])); - if (is_object($this->cache[$internal_key][$uid]) && !empty($sql_arr['structure'])) - $this->cache[$internal_key][$uid]->structure = $this->db->decode(unserialize($sql_arr['structure'])); + $this->icache[$internal_key][$uid] = $this->db->decode(unserialize($sql_arr['headers'])); + if (is_object($this->icache[$internal_key][$uid]) && !empty($sql_arr['structure'])) + $this->icache[$internal_key][$uid]->structure = $this->db->decode(unserialize($sql_arr['structure'])); } } - return $this->cache[$internal_key][$uid]; + return $this->icache[$internal_key][$uid]; } /** @@ -2505,8 +2941,8 @@ class rcube_imap if (!empty($sa_message_index[$key]) && !$force) return $sa_message_index[$key]; - // use idx sort for sorting by Date with index_sort=true - if ($sort_field == 'date' && $this->index_sort) + // use idx sort as default + if (!$sort_field || !in_array($sort_field, $this->db_header_fields)) $sort_field = 'idx'; $sa_message_index[$key] = array(); @@ -2534,8 +2970,8 @@ class rcube_imap return; // add to internal (fast) cache - $this->cache['__single_msg'][$headers->uid] = clone $headers; - $this->cache['__single_msg'][$headers->uid]->structure = $struct; + $this->icache['message'][$headers->uid] = clone $headers; + $this->icache['message'][$headers->uid]->structure = $struct; // no further caching if (!$this->caching_enabled) -- cgit v1.2.3