diff options
Diffstat (limited to 'program/include/rcube_imap.php')
| -rw-r--r-- | program/include/rcube_imap.php | 134 |
1 files changed, 115 insertions, 19 deletions
diff --git a/program/include/rcube_imap.php b/program/include/rcube_imap.php index e0947968c..96a4a6565 100644 --- a/program/include/rcube_imap.php +++ b/program/include/rcube_imap.php @@ -50,6 +50,7 @@ class rcube_imap 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'; @@ -598,7 +599,28 @@ class rcube_imap // retrieve headers from IMAP $a_msg_headers = array(); - if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : ''))) + // use message index sort for sorting by Date (for better performance) + if ($this->index_sort && $this->sort_field == 'date') + { + if ($this->skip_deleted) { + $msg_index = $this->_search_index($mailbox, 'ALL'); + $max = max($msg_index); + list($begin, $end) = $this->_get_message_range(count($msg_index), $page); + $msg_index = array_slice($msg_index, $begin, $end-$begin); + } else if ($max = iil_C_CountMessages($this->conn, $mailbox)) { + list($begin, $end) = $this->_get_message_range($max, $page); + $msg_index = range($begin+1, $end); + } else + return array(); + + if ($slice) + $msg_index = array_slice($msg_index, ($this->sort_order == 'DESC' ? 0 : -$slice), $slice); + + // fetch reqested headers from server + $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key); + } + // use SORT command + else if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : ''))) { list($begin, $end) = $this->_get_message_range(count($msg_index), $page); $max = max($msg_index); @@ -610,6 +632,7 @@ class rcube_imap // fetch reqested headers from server $this->_fetch_headers($mailbox, join(',', $msg_index), $a_msg_headers, $cache_key); } + // fetch specified header for all messages and sort else { $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted); @@ -677,14 +700,34 @@ class rcube_imap $this->_set_sort_order($sort_field, $sort_order); + // quickest method + if ($this->index_sort && $this->search_sort_field == 'date' && $this->sort_field == 'date') + { + if ($sort_order == 'DESC') + $msgs = array_reverse($msgs); + + // get messages uids for one page + $msgs = array_slice(array_values($msgs), $start_msg, min(count($msgs)-$start_msg, $this->page_size)); + + if ($slice) + $msgs = array_slice($msgs, -$slice, $slice); + + // fetch headers + $this->_fetch_headers($mailbox, join(',',$msgs), $a_msg_headers, NULL); + + // I didn't found in RFC that FETCH always returns messages sorted by index + $sorter = new rcube_header_sorter(); + $sorter->set_sequence_numbers($msgs); + $sorter->sort_headers($a_msg_headers); + + 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')) // SORT searching result + if ($this->get_capability('sort') && (!$this->index_sort || $this->sort_field != 'date')) // SORT searching result { // reset search set if sorting field has been changed if ($this->sort_field && $this->search_sort_field != $this->sort_field) - { $msgs = $this->search('', $this->search_string, $this->search_charset, $this->sort_field); - } // return empty array if no messages found if (empty($msgs)) @@ -710,7 +753,8 @@ class rcube_imap } else { // SEARCH searching result, need sorting $cnt = count($msgs); - if ($cnt > 300 && $cnt > $this->page_size) { // experimantal value for best result + // 300: experimantal value for best result + if (($cnt > 300 && $cnt > $this->page_size) || ($this->index_sort && $this->sort_field == 'date')) { // 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... @@ -844,12 +888,26 @@ class rcube_imap $mailbox = $mbox_name ? $this->mod_mailbox($mbox_name) : $this->mailbox; $key = "{$mailbox}:{$this->sort_field}:{$this->sort_order}:{$this->search_string}.msgi"; - // we have a saved search result. get index from there + // we have a saved search result, get index from there if (!isset($this->cache[$key]) && $this->search_string && $mailbox == $this->mailbox) { $this->cache[$key] = array(); - if ($this->get_capability('sort')) + // use message index sort for sorting by Date + if ($this->index_sort && $this->sort_field == 'date') + { + $msgs = $this->search_set; + + if ($this->search_sort_field != 'date') + sort($msgs); + + if ($this->sort_order == 'DESC') + $this->cache[$key] = array_reverse($msgs); + else + $this->cache[$key] = $msgs; + } + // sort with SORT command + else if ($this->get_capability('sort')) { if ($this->sort_field && $this->search_sort_field != $this->sort_field) $this->search('', $this->search_string, $this->search_charset, $this->sort_field); @@ -887,8 +945,22 @@ class rcube_imap return array_keys($a_index); } + // use message index sort for sorting by Date + if ($this->index_sort && $this->sort_field == 'date') + { + if ($this->skip_deleted) { + $a_index = $this->_search_index($mailbox, 'ALL'); + } else if ($max = $this->_messagecount($mailbox)) { + $a_index = range(1, $max); + } + + if ($this->sort_order == 'DESC') + $a_index = array_reverse($a_index); + + $this->cache[$key] = $a_index; + } // fetch complete message index - if ($this->get_capability('sort') && ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : ''))) + else if ($this->get_capability('sort') && ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : ''))) { if ($this->sort_order == 'DESC') $a_index = array_reverse($a_index); @@ -1032,14 +1104,23 @@ class rcube_imap if ($this->skip_deleted && !preg_match('/UNDELETED/', $criteria)) $criteria = 'UNDELETED '.$criteria; - if ($sort_field && $this->get_capability('sort')) - { + if ($sort_field && $this->get_capability('sort') && (!$this->index_sort || $sort_field != 'date')) { $charset = $charset ? $charset : $this->default_charset; $a_messages = iil_C_Sort($this->conn, $mailbox, $sort_field, $criteria, FALSE, $charset); } - else - $a_messages = iil_C_Search($this->conn, $mailbox, ($charset ? "CHARSET $charset " : '') . $criteria); + else { + if ($orig_criteria == 'ALL') { + $max = $this->_messagecount($mailbox); + $a_messages = $max ? range(1, $max) : array(); + } + else { + $a_messages = iil_C_Search($this->conn, $mailbox, ($charset ? "CHARSET $charset " : '') . $criteria); + // I didn't found that SEARCH always returns sorted IDs + if ($this->index_sort && $this->sort_field == 'date') + sort($a_messages); + } + } // update messagecount cache ? // $a_mailbox_cache = get_cache('messagecount'); // $a_mailbox_cache[$mailbox][$criteria] = sizeof($a_messages); @@ -2219,21 +2300,27 @@ class rcube_imap * * @param string Mailbox name * @param string Internal cache key - * @return int -3 = off, -2 = incomplete, -1 = dirty + * @return int Cache status: -3 = off, -2 = incomplete, -1 = dirty */ private function check_cache_status($mailbox, $cache_key) { if (!$this->caching_enabled) return -3; - $cache_index = $this->get_message_cache_index($cache_key, TRUE); + $cache_index = $this->get_message_cache_index($cache_key); $msg_count = $this->_messagecount($mailbox); $cache_count = count($cache_index); // empty mailbox if (!$msg_count) return $cache_count ? -2 : 1; - + + // @TODO: We've got one big performance problem in cache status checking method + // E.g. mailbox contains 1000 messages, in cache table we've got first 100 + // of them. Now if we want to display only that 100 (which we've got) + // check_cache_status returns 'incomplete' and messages are fetched + // from IMAP instead of DB. + if ($cache_count==$msg_count) { if ($this->skip_deleted) { $h_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", 'UID', $this->skip_deleted); @@ -2248,12 +2335,12 @@ class rcube_imap } return -2; } else { - // get highest index - $header = iil_C_FetchHeader($this->conn, $mailbox, "$msg_count"); + // get UID of message with highest index + $uid = iil_C_ID2UID($this->conn, $mailbox, $msg_count); $cache_uid = array_pop($cache_index); // uids of highest message matches -> cache seems OK - if ($cache_uid == $header->uid) + if ($cache_uid == $uid) return 1; } // cache is dirty @@ -2274,8 +2361,13 @@ class rcube_imap $cache_key = "$key:$from:$to:$sort_field:$sort_order"; $db_header_fields = array('idx', 'uid', 'subject', 'from', 'to', 'cc', 'date', 'size'); - if (!in_array($sort_field, $db_header_fields)) + $config = rcmail::get_instance()->config; + + // use idx sort for sorting by Date with index_sort=true or for unknown field + if (($sort_field == 'date' && $this->index_sort) + || !in_array($sort_field, $db_header_fields)) { $sort_field = 'idx'; + } if ($this->caching_enabled && !isset($this->cache[$cache_key])) { @@ -2349,6 +2441,10 @@ 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) + $sort_field = 'idx'; $sa_message_index[$key] = array(); $sql_result = $this->db->query( |