From 86a3d94b4ba4e5318466cd56f738d18ca039fcdb Mon Sep 17 00:00:00 2001
From: ros-tel <vladvladow@yandex.ru>
Date: Sun, 19 Jul 2020 10:11:27 +0500
Subject: [PATCH] Delete a message in a channel

---
 configs.go | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/configs.go b/configs.go
index a7052dd..4bd2c33 100644
--- a/configs.go
+++ b/configs.go
@@ -1138,8 +1138,9 @@ type PreCheckoutConfig struct {
 
 // DeleteMessageConfig contains information of a message in a chat to delete.
 type DeleteMessageConfig struct {
-	ChatID    int64
-	MessageID int
+	ChannelUsername string
+	ChatID          int64
+	MessageID       int
 }
 
 func (config DeleteMessageConfig) method() string {
@@ -1149,7 +1150,12 @@ func (config DeleteMessageConfig) method() string {
 func (config DeleteMessageConfig) values() (url.Values, error) {
 	v := url.Values{}
 
-	v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
+	if config.ChannelUsername == "" {
+		v.Add("chat_id", strconv.FormatInt(config.ChatID, 10))
+	} else {
+		v.Add("chat_id", config.ChannelUsername)
+	}
+
 	v.Add("message_id", strconv.Itoa(config.MessageID))
 
 	return v, nil