From e3074d8054af0a37e267774b7e1c8bdd57937671 Mon Sep 17 00:00:00 2001
From: Douglas Gardner <douglas@chippy.ch>
Date: Wed, 30 Jan 2013 01:37:28 +0000
Subject: [PATCH] implement xkcd functionality

The strings.json file is extensible; other fields that can be
placed in the xkcd string include the {year}, {month} and {day}
of the comic; the {alt} text; and links to the {img}.
A {transcript} is also available.
---
 modules/link/link.js      | 18 ++++++++++++++++++
 modules/link/strings.json |  6 ++++++
 2 files changed, 24 insertions(+)

diff --git a/modules/link/link.js b/modules/link/link.js
index dfe5f70..201d364 100644
--- a/modules/link/link.js
+++ b/modules/link/link.js
@@ -32,6 +32,24 @@ var link = function(dbot) {
             }
             this.fetchTitle(event, link);
         },
+        
+        '~xkcd': function(event) {
+            var comicId = event.params[1];
+            if(comicId){
+                comicId = comicId + "/";
+            } else {
+                comicId = "";
+            }
+            var link = "http://xkcd.com/"+comicId+"info.0.json";
+            request(link,  function(error, response, body) {
+                if (response.statusCode == "200") {
+                    data = JSON.parse(body);
+                    event.reply(dbot.t("xkcd",data));
+                } else {
+                    event.reply(dbot.t("no-hits"));
+                }
+            });
+        },
 
         '~ud': function(event) {
 	    var query = event.input[1];
diff --git a/modules/link/strings.json b/modules/link/strings.json
index 2709f1d..935e635 100644
--- a/modules/link/strings.json
+++ b/modules/link/strings.json
@@ -2,5 +2,11 @@
     "title_not_found": {
         "english": "No page title found.",
         "na'vi": "Oel ke tsun run 'upxare atxin."
+    },
+    "xkcd": {
+        "english": "xkcd {num}: {title} https://xkcd.com/{num}"
+    },
+    "no-hits": {
+        "english": "No hits."
     }
 }