From 6028dbc55742ae5fe7fc14ebe1dbaaa20935d5f6 Mon Sep 17 00:00:00 2001
From: Maxim Lebedev <git@toby3d.ru>
Date: Mon, 29 Jan 2018 13:02:35 +0500
Subject: [PATCH] :sparkles: Added hasAuthorSignature helper

---
 helpers_message.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/helpers_message.go b/helpers_message.go
index f7c0492..8aec4cb 100644
--- a/helpers_message.go
+++ b/helpers_message.go
@@ -234,3 +234,11 @@ func (msg *Message) HasCaptionMentions() bool {
 func (msg *Message) HasCaption() bool {
 	return !msg.IsText() && msg.Caption != ""
 }
+
+func (msg *Message) HasAuthorSignature() bool {
+	if msg == nil {
+		return false
+	}
+
+	return msg.AuthorSignature != ""
+}