From 72b336a5f5641adcfa535270862191d9072dba3c Mon Sep 17 00:00:00 2001
From: Bohdan Horbeshko <bodqhrohro@gmail.com>
Date: Sun, 13 Feb 2022 20:45:11 -0500
Subject: [PATCH] Support ! prefix for commands in addition to /

---
 telegram/commands.go | 1 +
 telegram/utils.go    | 2 +-
 xmpp/handlers.go     | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/telegram/commands.go b/telegram/commands.go
index 61cd2f9..d7318d0 100644
--- a/telegram/commands.go
+++ b/telegram/commands.go
@@ -138,6 +138,7 @@ func helpString(ht helpType) string {
 			str.WriteString("\n")
 		}
 	}
+	str.WriteString("\nYou may use ! instead of / if it conflicts with internal commands of a client")
 
 	return str.String()
 }
diff --git a/telegram/utils.go b/telegram/utils.go
index 7e93e57..d9773c0 100644
--- a/telegram/utils.go
+++ b/telegram/utils.go
@@ -666,7 +666,7 @@ func (c *Client) ProcessOutgoingMessage(chatID int64, text string, returnJid str
 		return nil
 	}
 
-	if returnJid != "" && strings.HasPrefix(text, "/") {
+	if returnJid != "" && (strings.HasPrefix(text, "/") || strings.HasPrefix(text, "!")) {
 		// try to execute commands
 		response, isCommand := c.ProcessChatCommand(chatID, text)
 		if response != "" {
diff --git a/xmpp/handlers.go b/xmpp/handlers.go
index eeb9628..b4440a0 100644
--- a/xmpp/handlers.go
+++ b/xmpp/handlers.go
@@ -89,7 +89,7 @@ func HandleMessage(s xmpp.Sender, p stanza.Packet) {
 			session.ProcessOutgoingMessage(toID, msg.Body, msg.From)
 			return
 		} else if msg.To == gatewayJid {
-			if strings.HasPrefix(msg.Body, "/") {
+			if strings.HasPrefix(msg.Body, "/") || strings.HasPrefix(msg.Body, "!") {
 				response := session.ProcessTransportCommand(msg.Body, resource)
 				if response != "" {
 					gateway.SendMessage(msg.From, "", response, component)