| | |
| | | |
| | | // get message count using SEARCH |
| | | // not very performant but more precise (using UNDELETED) |
| | | $count = 0; |
| | | $index = $this->_search_index($mailbox, $search_str); |
| | | if (is_array($index)) |
| | | { |
| | | $str = implode(",", $index); |
| | | if (!empty($str)) |
| | | $count = count($index); |
| | | } |
| | | $count = is_array($index) ? count($index) : 0; |
| | | } |
| | | else |
| | | { |
| | |
| | | |
| | | $this->_set_sort_order($sort_field, $sort_order); |
| | | |
| | | $max = $this->_messagecount($mailbox); |
| | | $start_msg = ($this->list_page-1) * $this->page_size; |
| | | |
| | | list($begin, $end) = $this->_get_message_range($max, $page); |
| | | |
| | | // mailbox is empty |
| | | if ($begin >= $end) |
| | | return array(); |
| | | |
| | | $headers_sorted = FALSE; |
| | | $page = $page ? $page : $this->list_page; |
| | | $cache_key = $mailbox.'.msg'; |
| | | $cache_status = $this->check_cache_status($mailbox, $cache_key); |
| | | |
| | | // cache is OK, we can get all messages from local cache |
| | | if ($cache_status>0) |
| | | { |
| | | $start_msg = ($page-1) * $this->page_size; |
| | | $a_msg_headers = $this->get_message_cache($cache_key, $start_msg, $start_msg+$this->page_size, $this->sort_field, $this->sort_order); |
| | | $headers_sorted = TRUE; |
| | | return array_values($a_msg_headers); |
| | | } |
| | | // cache is dirty, sync it |
| | | else if ($this->caching_enabled && $cache_status==-1 && !$recursive) |
| | |
| | | $this->sync_header_index($mailbox); |
| | | return $this->_list_headers($mailbox, $page, $this->sort_field, $this->sort_order, TRUE); |
| | | } |
| | | |
| | | // retrieve headers from IMAP |
| | | $a_msg_headers = array(); |
| | | |
| | | if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : ''))) |
| | | { |
| | | list($begin, $end) = $this->_get_message_range(count($msg_index), $page); |
| | | $max = max($msg_index); |
| | | $msg_index = array_slice($msg_index, $begin, $end-$begin); |
| | | |
| | | // fetch reqested headers from server |
| | | $this->_fetch_headers($mailbox, join(',', $msg_index), $a_msg_headers, $cache_key); |
| | | } |
| | | else |
| | | { |
| | | // retrieve headers from IMAP |
| | | if ($this->get_capability('sort') && ($msg_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, $this->skip_deleted ? 'UNDELETED' : ''))) |
| | | { |
| | | $mymsgidx = array_slice ($msg_index, $begin, $end-$begin); |
| | | $msgs = join(",", $mymsgidx); |
| | | } |
| | | else |
| | | { |
| | | $msgs = sprintf("%d:%d", $begin+1, $end); |
| | | $msg_index = range($begin, $end); |
| | | } |
| | | $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", $this->sort_field, $this->skip_deleted); |
| | | |
| | | if (empty($a_index)) |
| | | return array(); |
| | | |
| | | asort($a_index); // ASC |
| | | $msg_index = array_keys($a_index); |
| | | $max = max($msg_index); |
| | | list($begin, $end) = $this->_get_message_range(count($msg_index), $page); |
| | | $msg_index = array_slice($msg_index, $begin, $end-$begin); |
| | | |
| | | // fetch reuested headers from server |
| | | $a_msg_headers = array(); |
| | | $deleted_count = $this->_fetch_headers($mailbox, $msgs, $a_msg_headers, $cache_key); |
| | | |
| | | // delete cached messages with a higher index than $max+1 |
| | | // Changed $max to $max+1 to fix this bug : #1484295 |
| | | $this->clear_message_cache($cache_key, $max + 1); |
| | | |
| | | // kick child process to sync cache |
| | | // ... |
| | | // fetch reqested headers from server |
| | | $this->_fetch_headers($mailbox, join(",", $msg_index), $a_msg_headers, $cache_key); |
| | | } |
| | | |
| | | // delete cached messages with a higher index than $max+1 |
| | | // Changed $max to $max+1 to fix this bug : #1484295 |
| | | $this->clear_message_cache($cache_key, $max + 1); |
| | | |
| | | // kick child process to sync cache |
| | | // ... |
| | | |
| | | // return empty array if no messages found |
| | | if (!is_array($a_msg_headers) || empty($a_msg_headers)) { |
| | | if (!is_array($a_msg_headers) || empty($a_msg_headers)) |
| | | return array(); |
| | | } |
| | | |
| | | // use this class for message sorting |
| | | $sorter = new rcube_header_sorter(); |
| | | $sorter->set_sequence_numbers($msg_index); |
| | | $sorter->sort_headers($a_msg_headers); |
| | | |
| | | // if not already sorted |
| | | if (!$headers_sorted) |
| | | { |
| | | // use this class for message sorting |
| | | $sorter = new rcube_header_sorter(); |
| | | $sorter->set_sequence_numbers($msg_index); |
| | | $sorter->sort_headers($a_msg_headers); |
| | | |
| | | if ($this->sort_order == 'DESC') |
| | | $a_msg_headers = array_reverse($a_msg_headers); |
| | | } |
| | | if ($this->sort_order == 'DESC') |
| | | $a_msg_headers = array_reverse($a_msg_headers); |
| | | |
| | | return array_values($a_msg_headers); |
| | | } |
| | |
| | | |
| | | $msgs = $this->search_set; |
| | | $a_msg_headers = array(); |
| | | $start_msg = ($this->list_page-1) * $this->page_size; |
| | | $page = $page ? $page : $this->list_page; |
| | | $start_msg = ($page-1) * $this->page_size; |
| | | |
| | | $this->_set_sort_order($sort_field, $sort_order); |
| | | |
| | |
| | | */ |
| | | function _get_message_range($max, $page) |
| | | { |
| | | $start_msg = ($this->list_page-1) * $this->page_size; |
| | | $start_msg = ($page-1) * $this->page_size; |
| | | |
| | | if ($page=='all') |
| | | { |
| | |
| | | return array($begin, $end); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Fetches message headers |
| | |
| | | * @param string Message index to fetch |
| | | * @param array Reference to message headers array |
| | | * @param array Array with cache index |
| | | * @return int Number of deleted messages |
| | | * @return int Messages count |
| | | * @access private |
| | | */ |
| | | function _fetch_headers($mailbox, $msgs, &$a_msg_headers, $cache_key) |
| | |
| | | // cache is incomplete |
| | | $cache_index = $this->get_message_cache_index($cache_key); |
| | | |
| | | // fetch reuested headers from server |
| | | // fetch reqested headers from server |
| | | $a_header_index = iil_C_FetchHeaders($this->conn, $mailbox, $msgs, false, $this->fetch_add_headers); |
| | | $deleted_count = 0; |
| | | |
| | | if (!empty($a_header_index)) |
| | | { |
| | | foreach ($a_header_index as $i => $headers) |
| | | { |
| | | { |
| | | /* |
| | | if ($headers->deleted && $this->skip_deleted) |
| | | { |
| | | // delete from cache |
| | | if ($cache_index[$headers->id] && $cache_index[$headers->id] == $headers->uid) |
| | | $this->remove_message_cache($cache_key, $headers->uid); |
| | | |
| | | $deleted_count++; |
| | | continue; |
| | | } |
| | | |
| | | */ |
| | | // add message to cache |
| | | if ($this->caching_enabled && $cache_index[$headers->id] != $headers->uid) |
| | | $this->add_message_cache($cache_key, $headers->id, $headers); |
| | |
| | | } |
| | | } |
| | | |
| | | return $deleted_count; |
| | | return count($a_msg_headers); |
| | | } |
| | | |
| | | |
| | |
| | | } |
| | | else |
| | | { |
| | | $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, join(',', $this->search_set), $this->sort_field, false); |
| | | $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, join(',', $this->search_set), $this->sort_field, $this->skip_deleted); |
| | | |
| | | if ($this->sort_order=="ASC") |
| | | asort($a_index); |
| | |
| | | |
| | | // fetch complete message index |
| | | $msg_count = $this->_messagecount($mailbox); |
| | | if ($this->get_capability('sort') && ($a_index = iil_C_Sort($this->conn, $mailbox, $this->sort_field, ''))) |
| | | if ($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); |
| | |
| | | } |
| | | else |
| | | { |
| | | $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:$msg_count", $this->sort_field); |
| | | $a_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:$msg_count", $this->sort_field, $this->skip_deleted); |
| | | |
| | | if ($this->sort_order=="ASC") |
| | | asort($a_index); |
| | |
| | | { |
| | | $cache_key = $mailbox.'.msg'; |
| | | $cache_index = $this->get_message_cache_index($cache_key); |
| | | $msg_count = $this->_messagecount($mailbox); |
| | | |
| | | // fetch complete message index |
| | | $a_message_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:$msg_count", 'UID'); |
| | | $a_message_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", 'UID', $this->skip_deleted); |
| | | |
| | | if ($a_message_index === false) |
| | | return false; |
| | | |
| | | foreach ($a_message_index as $id => $uid) |
| | | { |
| | |
| | | unset($cache_index[$id]); |
| | | } |
| | | |
| | | |
| | | // fetch complete headers and add to cache |
| | | $headers = iil_C_FetchHeader($this->conn, $mailbox, $id, false, $this->fetch_add_headers); |
| | | $this->add_message_cache($cache_key, $headers->id, $headers); |
| | | $toupdate[] = $id; |
| | | } |
| | | |
| | | // fetch complete headers and add to cache |
| | | if (!empty($toupdate)) { |
| | | if ($headers = iil_C_FetchHeader($this->conn, $mailbox, join(',', $toupdate), false, $this->fetch_add_headers)) |
| | | foreach ($headers as $header) |
| | | $this->add_message_cache($cache_key, $header->id, $header); |
| | | } |
| | | |
| | | // those ids that are still in cache_index have been deleted |
| | | if (!empty($cache_index)) |
| | | { |
| | |
| | | */ |
| | | function _search_index($mailbox, $criteria='ALL', $charset=NULL, $sort_field=NULL) |
| | | { |
| | | $orig_criteria = $criteria; |
| | | |
| | | if ($this->skip_deleted && !preg_match('/UNDELETED/', $criteria)) |
| | | $criteria = 'UNDELETED '.$criteria; |
| | | |
| | |
| | | if (empty($val)) |
| | | unset($a_messages[$i]); |
| | | } |
| | | |
| | | // update messagecount cache ? |
| | | // $a_mailbox_cache = get_cache('messagecount'); |
| | | // $a_mailbox_cache[$mailbox][$criteria] = sizeof($a_messages); |
| | | // $this->update_cache('messagecount', $a_mailbox_cache); |
| | | |
| | | return $a_messages; |
| | | } |
| | |
| | | * @return int -3 = off, -2 = incomplete, -1 = dirty |
| | | */ |
| | | function check_cache_status($mailbox, $cache_key) |
| | | { |
| | | { |
| | | if (!$this->caching_enabled) |
| | | return -3; |
| | | |
| | |
| | | |
| | | // console("Cache check: $msg_count !== ".count($cache_index)); |
| | | |
| | | if ($cache_count==$msg_count) |
| | | { |
| | | // get highest index |
| | | $header = iil_C_FetchHeader($this->conn, $mailbox, "$msg_count", false, $this->fetch_add_headers); |
| | | $cache_uid = array_pop($cache_index); |
| | | |
| | | // uids of highest message matches -> cache seems OK |
| | | if ($cache_uid == $header->uid) |
| | | return 1; |
| | | if ($cache_count==$msg_count) { |
| | | if ($this->skip_deleted) { |
| | | $h_index = iil_C_FetchHeaderIndex($this->conn, $mailbox, "1:*", 'UID', $this->skip_deleted); |
| | | |
| | | if (sizeof($h_index) == $cache_count) { |
| | | $cache_index = array_flip($cache_index); |
| | | foreach ($h_index as $idx => $uid) |
| | | unset($cache_index[$uid]); |
| | | |
| | | if (empty($cache_index)) |
| | | return 1; |
| | | } |
| | | return -2; |
| | | } else { |
| | | // get highest index |
| | | $header = iil_C_FetchHeader($this->conn, $mailbox, "$msg_count"); |
| | | $cache_uid = array_pop($cache_index); |
| | | |
| | | // uids of highest message matches -> cache seems OK |
| | | if ($cache_uid == $header->uid) |
| | | return 1; |
| | | } |
| | | // cache is dirty |
| | | return -1; |
| | | } |
| | | } |
| | | // if cache count differs less than 10% report as dirty |
| | | else if (abs($msg_count - $cache_count) < $msg_count/10) |
| | | return -1; |
| | | else |
| | | return -2; |
| | | } |
| | | } |
| | | |
| | | /** |
| | | * @access private |