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path: root/worker/imap/open.go
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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)
	uids, err := imapw.client.UidSearch(&imap.SearchCriteria{
		SeqNum: seqSet,
	})
	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))
		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)
	}
}

func (imapw *IMAPWorker) handleDirectoryThreaded(
	msg *types.FetchDirectoryThreaded) {
	imapw.worker.Logger.Printf("Fetching threaded UID list")

	seqSet := &imap.SeqSet{}
	seqSet.AddRange(1, imapw.selected.Messages)
	threads, err := imapw.client.tc.UidThread(sortthread.References,
		&imap.SearchCriteria{SeqNum: seqSet})
	if err != nil {
		imapw.worker.PostMessage(&types.Error{
			Message: types.RespondTo(msg),
			Error:   err,
		}, nil)
	} else {
		aercThreads, count := convertThreads(threads)
		imapw.seqMap = make([]uint32, count)
		imapw.worker.PostMessage(&types.DirectoryThreaded{
			Message: types.RespondTo(msg),
			Threads: aercThreads,
		}, nil)
		imapw.worker.PostMessage(&types.Done{types.RespondTo(msg)}, nil)
	}
}

// This sucks... TODO: find a better way to do this.
func convertThreads(threads []*sortthread.Thread) ([]*types.Thread, int) {
	if threads == nil {
		return nil, 0
	}
	conv := make([]*types.Thread, len(threads))
	count := 0

	for i := 0; i < len(threads); i++ {
		t := threads[i]
		children, childCount := convertThreads(t.Children)
		conv[i] = &types.Thread{
			Uid:      t.Id,
			Children: children,
		}
		for _, child := range children {
			child.Parent = conv[i]
		}
		count += childCount + 1
	}
	return conv, count
}