From 5a7db119faf09027f0555e721d8770a03e69c3a8 Mon Sep 17 00:00:00 2001
From: Aaron <aaron.ounn@gmail.com>
Date: Tue, 2 Aug 2016 09:30:21 +0300
Subject: [PATCH] Print the motd if no parameters are passed

---
 host.go | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/host.go b/host.go
index 85ce495..c666377 100644
--- a/host.go
+++ b/host.go
@@ -425,23 +425,29 @@ func (h *Host) InitCommands(c *chat.Commands) {
 		PrefixHelp: "[MESSAGE]",
 		Help:       "Set a new message of the day, print current motd without parameters",
 		Handler: func(room *chat.Room, msg message.CommandMsg) error {
-			if !room.IsOp(msg.From()) {
-				return errors.New("must be op")
-			}
-
-			motd := ""
 			args := msg.Args()
-			if len(args) > 0 {
-				motd = strings.Join(args, " ")
-			}
+			user := msg.From()
+			motd := h.motd
 
-			h.motd = motd
-			body := fmt.Sprintf("New message of the day set by %s:", msg.From().Name())
-			room.Send(message.NewAnnounceMsg(body))
-			if motd != "" {
-				room.Send(message.NewAnnounceMsg(motd))
-			}
+			if len(args) == 0 {
+				room.Send(message.NewSystemMsg(motd, user))
+			} else if !room.IsOp(user) {
+				return errors.New("must be OP to modify the MOTD")
+			} else {
+				motd := ""
+				args := msg.Args()
 
+				if len(args) > 0 {
+					motd = strings.Join(args, " ")
+				}
+
+				h.motd = motd
+				body := fmt.Sprintf("New message of the day set by %s:", msg.From().Name())
+				room.Send(message.NewAnnounceMsg(body))
+				if motd != "" {
+					room.Send(message.NewAnnounceMsg(motd))
+				}
+			}
 			return nil
 		},
 	})