update

core/im.go

@@ -27,8 +27,10 @@ type Sender interface {
 }
 
 type Edit int
+type Replace int
 
 var E Edit
+var R Replace
 
 type Faker struct {
 	Message interface{}

im/tg/tg.go

@@ -137,11 +137,15 @@ func (sender *Sender) IsMedia() bool {
 func (sender *Sender) Reply(msgs ...interface{}) (int, error) {
 	msg := msgs[0]
 	var edit *core.Edit
+	var replace *core.Replace
 	for _, item := range msgs {
 		switch item.(type) {
 		case core.Edit:
 			v := item.(core.Edit)
 			edit = &v
+		case core.Replace:
+			v := item.(core.Replace)
+			replace = &v
 		case time.Duration:
 			du := item.(time.Duration)
 			sender.Duration = &du
@@ -165,10 +169,23 @@ func (sender *Sender) Reply(msgs ...interface{}) (int, error) {
 	case []byte:
 		rt, err = b.Send(r, string(msg.([]byte)), options...)
 	case string:
-		if edit != nil && sender.reply != nil {
-			b.Edit(sender.reply, msg.(string))
+		if edit != nil {
+			if *edit == 0 {
+				if sender.reply != nil {
+					b.Edit(sender.reply, msg.(string))
+				}
+			} else {
+				b.Edit(&tb.Message{
+					ID: int(*edit),
+				}, msg.(string))
+			}
 			return sender.reply.ID, nil
 		}
+		if replace != nil {
+			b.Delete(&tb.Message{
+				ID: int(*edit),
+			})
+		}
 		rt, err = b.Send(r, msg.(string), options...)
 	case *http.Response:
 		_, err = b.SendAlbum(r, tb.Album{&tb.Photo{File: tb.FromReader(msg.(*http.Response).Body)}}, options...)