Don't return slash in Command, strip bot name if needed.

Author: Syfaro

types.go

@@ -129,12 +129,20 @@ func (m *Message) IsCommand() bool {
 
 // Command checks if the message was a command and if it was, returns the
 // command. If the Message was not a command, it returns an empty string.
+//
+// If the command contains the at bot syntax, it removes the bot name.
 func (m *Message) Command() string {
 	if !m.IsCommand() {
 		return ""
 	}
 
-	return strings.SplitN(m.Text, " ", 2)[0]
+	command := strings.SplitN(m.Text, " ", 2)[0][1:]
+
+	if i := strings.Index(command, "@"); i != -1 {
+		command = command[:i]
+	}
+
+	return command
 }
 
 // CommandArguments checks if the message was a command and if it was,

types_test.go

@@ -58,7 +58,7 @@ func TestIsCommandWithEmptyText(t *testing.T) {
 func TestCommandWithCommand(t *testing.T) {
 	message := tgbotapi.Message{Text: "/command"}
 
-	if message.Command() != "/command" {
+	if message.Command() != "command" {
 		t.Fail()
 	}
 }
@@ -79,6 +79,14 @@ func TestCommandWithNonCommand(t *testing.T) {
 	}
 }
 
+func TestCommandWithBotName(t *testing.T) {
+	message := tgbotapi.Message{Text: "/command@testbot"}
+
+	if message.Command() != "command" {
+		t.Fail()
+	}
+}
+
 func TestMessageCommandArgumentsWithArguments(t *testing.T) {
 	message := tgbotapi.Message{Text: "/command with arguments"}
 	if message.CommandArguments() != "with arguments" {