From 8fc05f9a42e2b0d7215729831ba93428e43b71f0 Mon Sep 17 00:00:00 2001
From: mamal <mamal@cafebazaar.ir>
Date: Mon, 22 May 2017 13:20:43 +0430
Subject: [PATCH] feat(bot): add DeleteMessage function

---
 bot.go      | 14 ++++++++++++++
 bot_test.go | 15 +++++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/bot.go b/bot.go
index e4f0452..18068ff 100644
--- a/bot.go
+++ b/bot.go
@@ -255,6 +255,20 @@ func (bot *BotAPI) Send(c Chattable) (Message, error) {
 	}
 }
 
+// DeleteMessage deletes a message from a Chat
+//
+// It requires the Message to delete
+func (bot *BotAPI) DeleteMessage(message Message) (APIResponse, error) {
+	v := url.Values{}
+
+	v.Add("chat_id", strconv.FormatInt(message.Chat.ID, 10))
+	v.Add("message_id", strconv.Itoa(message.MessageID))
+
+	bot.debugLog("deleteMessage", v, nil)
+
+	return bot.MakeRequest("deleteMessage", v)
+}
+
 // debugLog checks if the bot is currently running in debug mode, and if
 // so will display information about the request and response in the
 // debug log.
diff --git a/bot_test.go b/bot_test.go
index a001dcd..7918e90 100644
--- a/bot_test.go
+++ b/bot_test.go
@@ -58,6 +58,21 @@ func TestGetUpdates(t *testing.T) {
 	}
 }
 
+func TestDeleteMessage(t *testing.T) {
+	bot, _ := getBot(t)
+
+	msg := tgbotapi.NewMessage(ChatID, "A test message from the test library in telegram-bot-api")
+	msg.ParseMode = "markdown"
+	message, _ := bot.Send(msg)
+
+	_, err := bot.DeleteMessage(message)
+
+	if err != nil {
+		t.Error(err)
+		t.Fail()
+	}
+}
+
 func TestSendWithMessage(t *testing.T) {
 	bot, _ := getBot(t)