From 36e2a5b1f0ac25c0952ab9a1c73132f50589861d Mon Sep 17 00:00:00 2001
From: Henesy <henesy.dev@gmail.com>
Date: Fri, 20 Nov 2020 07:29:33 +0000
Subject: [PATCH] add g!gridlink

---
 mux.go        |  2 ++
 x/mux/misc.go | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/mux.go b/mux.go
index e002a6933560b10866a0024e2427a1abe5b82029..0462eb0db82be241f4915bd561fe29e57bb337c0 100644
--- a/mux.go
+++ b/mux.go
@@ -59,4 +59,6 @@ func init() {
 	Router.Route("wine", ":wine_glass:", Router.Wine)
 
 	Router.Route("uptime", "Current bot uptime", Router.Uptime)
+	
+	Router.Route("gridlink", "Convert griddisk paths to 'incoming' URL's", Router.GridLink)
 }
diff --git a/x/mux/misc.go b/x/mux/misc.go
index 6326f1317e9486b2f16ecc4661d1c9dd56083ade..304a87f2aedd4994c45f8a44d84f5481e24f9d20 100644
--- a/x/mux/misc.go
+++ b/x/mux/misc.go
@@ -3,6 +3,7 @@ package mux
 import (
 	"github.com/bwmarrin/discordgo"
 	"time"
+	"strings"
 )
 
 // Chan for communicating to Glenda
@@ -85,6 +86,39 @@ func (m *Mux) Dump(ds *discordgo.Session, dm *discordgo.Message, ctx *Context) {
 	return
 }
 
+// Rewrite griddisk paths as links
+// Given /n/griddisk/foo, /foo, foo ⇒ …/incoming/foo
+func (m *Mux) GridLink(ds *discordgo.Session, dm *discordgo.Message, ctx *Context) {
+	resp := ""
+	base := "http://wiki.9gridchan.org/incoming"
+	root := "/n/griddisk"
+	
+	resp += base
+	
+	path := ctx.Fields[1]
+	
+	switch {
+	case strings.HasPrefix(path, root):
+		// Full path
+		sub := strings.TrimPrefix(path, root)
+		resp += sub
+	
+	case path[0] == '/':
+		// Root only
+		resp += path
+	
+	default:
+		// Any other case
+		resp += "/" + path
+	}
+	
+	resp += "\n"
+
+	ds.ChannelMessageSend(dm.ChannelID, resp)
+
+	return
+}
+
 // Beer, dude.
 func (m *Mux) Beer(ds *discordgo.Session, dm *discordgo.Message, ctx *Context) {
 	resp := ""