add 'nothreads' option, fixes #4

bot/bot.go

@@ -112,7 +112,7 @@ func (b *Bot) Send(ctx context.Context, email *utils.Email) error {
 	contentParsed := format.RenderMarkdown(text.String(), true, true)
 
 	var threadID id.EventID
-	if email.InReplyTo != "" {
+	if email.InReplyTo != "" && !settings.NoThreads() {
 		threadID = b.getThreadID(roomID, email.InReplyTo)
 		if threadID != "" {
 			contentParsed.SetRelatesTo(&event.RelatesTo{

bot/command.go

@@ -71,6 +71,13 @@ var (
 				optionNoHTML,
 			),
 		},
+		{
+			key: optionNoThreads,
+			description: fmt.Sprintf(
+				"Get or set `%s` of the room (`true` - ignore email threads; `false` - convert email threads into matrix threads)",
+				optionNoThreads,
+			),
+		},
 	}
 
 	// sanitizers is map of option name => sanitizer function
@@ -79,6 +86,7 @@ var (
 		optionNoSender:  utils.SanitizeBoolString,
 		optionNoSubject: utils.SanitizeBoolString,
 		optionNoHTML:    utils.SanitizeBoolString,
+		optionNoThreads: utils.SanitizeBoolString,
 	}
 )
 

bot/data.go

@@ -25,6 +25,7 @@ const (
 	optionNoSender  = "nosender"
 	optionNoSubject = "nosubject"
 	optionNoHTML    = "nohtml"
+	optionNoThreads = "nothreads"
 )
 
 var migrations = []string{}

bot/settings.go

@@ -64,6 +64,10 @@ func (s settings) NoHTML() bool {
 	return utils.Bool(s.Get(optionNoHTML))
 }
 
+func (s settings) NoThreads() bool {
+	return utils.Bool(s.Get(optionNoThreads))
+}
+
 // Set option
 func (s settings) Set(key, value string) {
 	s[strings.ToLower(strings.TrimSpace(key))] = value