From 54c5bfce0b307f69f1ec56946058829271d2ecbb Mon Sep 17 00:00:00 2001
From: Martin Dosch <spam-debian-salsa@mdosch.de>
Date: Fri, 31 May 2019 10:48:12 +0200
Subject: [PATCH] Added ping command.

---
 feed-to-muc.go | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/feed-to-muc.go b/feed-to-muc.go
index 160e34a..cb3bbd7 100644
--- a/feed-to-muc.go
+++ b/feed-to-muc.go
@@ -264,6 +264,7 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 
 				reply := ": The following commands are available:\n" +
 					"\"feeds\": List feeds I'm following.\n" +
+					"\"ping\": Sends back a pong.\n" +
 					"\"source\": Show source code URL."
 
 				if v.Type == "groupchat" {
@@ -323,6 +324,23 @@ func processStanzas(client *xmpp.Client, muc string, mucNick string, feeds []str
 					}
 				}
 
+			case "ping":
+
+				reply := "pong"
+
+				if v.Type == "groupchat" {
+					_, err = client.Send(xmpp.Chat{Remote: muc,
+						Type: "groupchat", Text: strings.Split(v.Remote, "/")[1] + ": " + reply})
+					if err != nil {
+						log.Fatal("Error: Failed sending message to MUC:", err)
+					}
+				} else if v.Type == "chat" {
+					_, err = client.Send(xmpp.Chat{Remote: v.Remote,
+						Type: "chat", Text: reply})
+					if err != nil {
+						log.Fatal("Error: Failed sending message to ", v.Remote, ": ", err)
+					}
+				}
 			}
 
 		// Reply to pings and disco queries.