From 2750f99a6049322b1361b5bfa4dff3b1df2b36ab Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Sun, 13 Jan 2019 16:18:10 -0500
Subject: Issue IMAP SELECT command

---
 widgets/directories.go   |  1 +
 worker/imap/open.go      | 20 ++++++++++++++++++++
 worker/imap/worker.go    | 20 +++++++++++++++++++-
 worker/types/messages.go | 13 +++++++++++++
 4 files changed, 53 insertions(+), 1 deletion(-)
 create mode 100644 worker/imap/open.go

diff --git a/widgets/directories.go b/widgets/directories.go
index 1602b3c..13018bb 100644
--- a/widgets/directories.go
+++ b/widgets/directories.go
@@ -47,6 +47,7 @@ func (dirlist *DirectoryList) UpdateList(done func(dirs []string)) {
 
 func (dirlist *DirectoryList) Select(name string) {
 	dirlist.selected = name
+	dirlist.worker.PostAction(&types.OpenDirectory{Directory: name}, nil)
 	dirlist.Invalidate()
 }
 
diff --git a/worker/imap/open.go b/worker/imap/open.go
new file mode 100644
index 0000000..d90a292
--- /dev/null
+++ b/worker/imap/open.go
@@ -0,0 +1,20 @@
+package imap
+
+import (
+	"git.sr.ht/~sircmpwn/aerc2/worker/types"
+)
+
+func (imapw *IMAPWorker) handleOpenDirectory(msg *types.OpenDirectory) {
+	imapw.worker.Logger.Printf("Opening %s", msg.Directory)
+	go func() {
+		_, 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)
+		}
+	}()
+}
diff --git a/worker/imap/worker.go b/worker/imap/worker.go
index d75dbb0..4381e22 100644
--- a/worker/imap/worker.go
+++ b/worker/imap/worker.go
@@ -149,12 +149,30 @@ func (w *IMAPWorker) handleMessage(msg types.WorkerMessage) error {
 		w.worker.PostMessage(&types.Done{types.RespondTo(msg)}, nil)
 	case *types.ListDirectories:
 		w.handleListDirectories(msg)
+	case *types.OpenDirectory:
+		w.handleOpenDirectory(msg)
 	default:
 		return errUnsupported
 	}
 	return nil
 }
 
+func (w *IMAPWorker) handleImapUpdate(update client.Update) {
+	w.worker.Logger.Printf("(= %T", update)
+	switch update := update.(type) {
+	case *client.MailboxUpdate:
+		status := update.Mailbox
+		w.worker.PostMessage(&types.DirectoryInfo{
+			ReadOnly: status.ReadOnly,
+			Flags:    status.Flags,
+
+			Exists: int(status.Messages),
+			Recent: int(status.Recent),
+			Unseen: int(status.Unseen),
+		}, nil)
+	}
+}
+
 func (w *IMAPWorker) Run() {
 	for {
 		select {
@@ -171,7 +189,7 @@ func (w *IMAPWorker) Run() {
 				}, nil)
 			}
 		case update := <-w.updates:
-			w.worker.Logger.Printf("(= %T", update)
+			w.handleImapUpdate(update)
 		}
 	}
 }
diff --git a/worker/types/messages.go b/worker/types/messages.go
index 69df6ca..27937ee 100644
--- a/worker/types/messages.go
+++ b/worker/types/messages.go
@@ -63,6 +63,11 @@ type ListDirectories struct {
 	Message
 }
 
+type OpenDirectory struct {
+	Message
+	Directory string
+}
+
 // Messages
 
 type CertificateApprovalRequest struct {
@@ -75,3 +80,11 @@ type Directory struct {
 	Attributes []string
 	Name       string
 }
+
+type DirectoryInfo struct {
+	Message
+	ReadOnly bool
+	Flags    []string
+
+	Exists, Recent, Unseen int
+}
-- 
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