public override async Task ExecuteAsync(CancellationToken cancellationToken)
{
Mailbox mailbox =
await _mailstore.GetMailBoxAsync(_channel.AuthenticatedUser, _mailbox, IsExamine, cancellationToken);
if (mailbox == null)
{
await EndWithResultAsync(_channel, CommandResult.No, "no such mailbox", cancellationToken);
return;
}
if (!mailbox.IsSelectable)
{
await EndWithResultAsync(_channel, CommandResult.No, "cannot select mailbox", cancellationToken);
return;
}
SelectedMailbox selected = await _mailboxPointer.SelectMailboxAsync(mailbox, cancellationToken);
await _channel.SendMessageAsync(
new ImapMessage(UntaggedTag, new NumberMessageData(mailbox.Messages.Count), new AtomMessageData("EXISTS")),
CancellationToken.None);
await _channel.SendMessageAsync(
new ImapMessage(UntaggedTag, new NumberMessageData(mailbox.Recent.Count), new AtomMessageData("RECENT")),
CancellationToken.None);
int unseenSequence = mailbox.FirstUnseen;
int uidNext = mailbox.NextUid;
int uidValidity = mailbox.UidValidity;
await _channel.SendMessageAsync(
new ImapMessage(
UntaggedTag,
"OK",
new TagMessageData(
new AtomMessageData("UNSEEN"),
new NumberMessageData(unseenSequence)),
new ServerMessageData($"Messsage {unseenSequence} is the first unseen")),
cancellationToken);
await _channel.SendMessageAsync(
new ImapMessage(
UntaggedTag,
"OK",
new TagMessageData(
new AtomMessageData("UIDVALIDITY"),
new NumberMessageData(uidValidity)),
new ServerMessageData("UIDs valied")),
cancellationToken);
await _channel.SendMessageAsync(
new ImapMessage(
UntaggedTag,
"OK",
new TagMessageData(
new AtomMessageData("UIDNEXT"),
new NumberMessageData(uidNext)),
new ServerMessageData("Predicted next UID")),
cancellationToken);
await _channel.SendMessageAsync(
new ImapMessage(
UntaggedTag,
"FLAGS",
new ListMessageData(mailbox.Flags.Select(f => new AtomMessageData(f)))),
cancellationToken);
await _channel.SendMessageAsync(
new ImapMessage(
UntaggedTag,
"OK",
new TagMessageData(
new AtomMessageData("PERMANENTFLAGS"),
new ListMessageData(selected.PermanentFlags.Select(f => new AtomMessageData(f))))),
cancellationToken);
string readWrite = mailbox.IsReadOnly ? "READ-ONLY" : "READ-WRITE";
await
EndWithResultAsync(
_channel,
CommandResult.Ok,
new TagMessageData(new AtomMessageData(readWrite)),
null,
cancellationToken);
}
private async Task RefreshViewForSelectedMailboxAsync()
{
await Task.Run(() => RequestMessagesAsync(SelectedMailbox));
await Task.Run(() => SelectedMailbox.SyncMessagesAsync());
}