Make channel and privmsg replies more useful for logged-out users.

src/irc/commands.go

@@ -9,6 +9,7 @@ import (
 
 type Command interface {
 	Client() *Client
+	User() *User
 	Source() Identifier
 	HandleServer(*Server)
 }
@@ -44,6 +45,13 @@ func (command *BaseCommand) Client() *Client {
 	return command.client
 }
 
+func (command *BaseCommand) User() *User {
+	if command.Client() == nil {
+		return nil
+	}
+	return command.User()
+}
+
 func (command *BaseCommand) SetClient(c *Client) {
 	command.client = c
 }