worker/imap: implement search

worker/imap/list.go

@@ -60,3 +60,19 @@ func canOpen(mbox *imap.MailboxInfo) bool {
 	}
 	return true
 }
+
+func (imapw *IMAPWorker) handleSearchDirectory(msg *types.SearchDirectory) {
+	imapw.worker.Logger.Println("Executing search")
+
+	if uids, err := imapw.client.UidSearch(msg.Criteria); err != nil {
+		imapw.worker.PostMessage(&types.Error{
+			Message: types.RespondTo(msg),
+			Error:   err,
+		}, nil)
+	} else {
+		imapw.worker.PostMessage(&types.SearchResults{
+			Message: types.RespondTo(msg),
+			Uids:    uids,
+		}, nil)
+	}
+}

worker/types/messages.go

@@ -82,6 +82,11 @@ type FetchDirectoryContents struct {
 	Message
 }
 
+type SearchDirectory struct {
+	Message
+	Criteria *imap.SearchCriteria
+}
+
 type CreateDirectory struct {
 	Message
 	Directory string
@@ -152,6 +157,11 @@ type DirectoryContents struct {
 	Uids []uint32
 }
 
+type SearchResults struct {
+	Message
+	Uids []uint32
+}
+
 type MessageInfo struct {
 	Message
 	BodyStructure *imap.BodyStructure