package imap import ( "github.com/emersion/go-imap" sortthread "github.com/emersion/go-imap-sortthread" "git.sr.ht/~sircmpwn/aerc/worker/types" ) func (imapw *IMAPWorker) handleOpenDirectory(msg *types.OpenDirectory) { imapw.worker.Logger.Printf("Opening %s", msg.Directory) _, err := imapw.client.Select(msg.Directory, false) if err != nil { imapw.worker.PostMessage(&types.Error{ Message: types.RespondTo(msg), Error: err, }, nil) } else { imapw.worker.PostMessage(&types.Done{types.RespondTo(msg)}, nil) if imapw.idleStop == nil { imapw.idleStop = make(chan struct{}) } } } func (imapw *IMAPWorker) handleFetchDirectoryContents( msg *types.FetchDirectoryContents) { imapw.worker.Logger.Printf("Fetching UID list") seqSet := &imap.SeqSet{} seqSet.AddRange(1, imapw.selected.Messages) searchCriteria := &imap.SearchCriteria{ SeqNum: seqSet, } sortCriteria := translateSortCriterions(msg.SortCriteria) var uids []uint32 // If the server supports the SORT extension, do the sorting server side ok, err := imapw.client.sort.SupportSort() if err == nil && ok && len(sortCriteria) > 0 { uids, err = imapw.client.sort.UidSort(sortCriteria, searchCriteria) // copy in reverse as msgList displays backwards for i, j := 0, len(uids)-1; i < j; i, j = i+1, j-1 { uids[i], uids[j] = uids[j], uids[i] } } else { if err != nil { // Non fatal, but we do want to print to get some debug info imapw.worker.Logger.Printf("can't check for SORT support: %v", err) } uids, err = imapw.client.UidSearch(searchCriteria) } if err != nil { imapw.worker.PostMessage(&types.Error{ Message: types.RespondTo(msg), Error: err, }, nil) } else { imapw.worker.Logger.Printf("Found %d UIDs", len(uids)) if len(imapw.seqMap) < len(uids) { imapw.seqMap = make([]uint32, len(uids)) } imapw.worker.PostMessage(&types.DirectoryContents{ Message: types.RespondTo(msg), Uids: uids, }, nil) imapw.worker.PostMessage(&types.Done{types.RespondTo(msg)}, nil) } } type sortFieldMapT map[types.SortField]sortthread.SortField // caution, incomplete mapping var sortFieldMap sortFieldMapT = sortFieldMapT{ types.SortArrival: sortthread.SortArrival, types.SortCc: sortthread.SortCc, types.SortDate: sortthread.SortDate, types.SortFrom: sortthread.SortFrom, types.SortSize: sortthread.SortSize, types.SortSubject: sortthread.SortSubject, types.SortTo: sortthread.SortTo, } func translateSortCriterions( cs []*types.SortCriterion) []sortthread.SortCriterion { result := make([]sortthread.SortCriterion, 0, len(cs)) for _, c := range cs { if f, ok := sortFieldMap[c.Field]; ok { result = append(result, sortthread.SortCriterion{f, c.Reverse}) } } return result }