From bc7656ed7ca7d57a6c792306beb1592e346937eb Mon Sep 17 00:00:00 2001
From: Sean Hinchee <henesy@users.noreply.github.com>
Date: Sun, 11 Feb 2018 22:27:45 +0000
Subject: [PATCH] added unsubscribe; added regular dump tied to Listener()

---
 mux.go           |  2 ++
 x/mux/commits.go | 37 +++++++++++++++++++++++++++++++++++--
 2 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/mux.go b/mux.go
index 8ae5959992c9e3b26d71deae998cc460b9240dc4..daa66373596e8ec9f326128c87e77ed61e44a0eb 100644
--- a/mux.go
+++ b/mux.go
@@ -30,6 +30,8 @@ func init() {
 	
 	Router.Route("subscribe", "Subscribe current channel to a given feed id.", Router.Subscribe)
 	
+	Router.Route("unsubscribe", "Unsubscribe current channel to a given feed id.", Router.Unsubscribe)
+	
 	Router.Route("man", "Display a given Plan 9 manual page (From 9front for now).", Router.Man)
 
 	Router.Route("about", "General information about the bot.", Router.About)
diff --git a/x/mux/commits.go b/x/mux/commits.go
index f2c5565f4872d3d42046d1f9d4e6bc90c657aa88..88a81462658c7c1c035758af475ef52a9f5482ae 100644
--- a/x/mux/commits.go
+++ b/x/mux/commits.go
@@ -42,9 +42,11 @@ func Listener() {
 					break
 				}
 			}
-			time.Sleep(1 * time.Minute)
+			time.Sleep(2 * time.Minute)
 		}
-		time.Sleep(1 * time.Minute)
+		time.Sleep(10 * time.Minute)
+		// Dump config to file regularly
+		Config.Write()
 	}
 }
 
@@ -190,3 +192,34 @@ func (m *Mux) Subscribe(ds *discordgo.Session, dm *discordgo.Message, ctx *Conte
 
 	return
 }
+
+// a = a[:i+copy(a[i:], a[i+1:])]
+// Unsubscribe current channel to notifications from a given feed id
+func (m *Mux) Unsubscribe(ds *discordgo.Session, dm *discordgo.Message, ctx *Context) {
+	resp := "\n"
+
+	id, _ := strconv.Atoi(ctx.Fields[len(ctx.Fields) -1])
+	if id >= 0 && id < len(Config.Feeds) {
+		// Check if subscribed
+		removed := false
+		for i, v := range Config.Subs {
+			if v.ChanID == dm.ChannelID && v.SubID == id {
+				removed = true
+				Config.Subs = Config.Subs[:i+copy(Config.Subs[i:], Config.Subs[i+1:])]
+			}
+		}
+		
+		if(!removed) {
+			resp += "Denied unsubscription. Not subscribed in this channel."
+		} else {
+			resp += "Unsubscribed."
+		}
+	} else {
+		resp += "Denied unsubscription. Invalid stream id, see: list command"
+	}
+	
+	resp += "\n"
+	ds.ChannelMessageSend(dm.ChannelID, resp)
+
+	return
+}