Support ! prefix for commands in addition to /

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()
 }

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 != "" {

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)