From 78a487deaa54b233a72b712c558cb7acaab0af47 Mon Sep 17 00:00:00 2001
From: Stefan Sundin <git@stefansundin.com>
Date: Wed, 7 Oct 2015 23:05:09 -0700
Subject: [PATCH] Add support for YouTube playlists. Make the page a little
 wider.

---
 app.rb          | 4 ++++
 views/index.erb | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app.rb b/app.rb
index 08aa1d2..d41646e 100644
--- a/app.rb
+++ b/app.rb
@@ -33,6 +33,8 @@
     # https://www.youtube.com/c/khanacademy/videos
   elsif /youtube\.com\/.*[\?&]v=(?<video_id>[^&#]+)/ =~ params[:q]
     # https://www.youtube.com/watch?v=vVXbgbMp0oY&t=5s
+  elsif /youtube\.com\/.*[\?&]list=(?<playlist_id>[^&#]+)/ =~ params[:q]
+    # https://www.youtube.com/playlist?list=PL0QrZvg7QIgpoLdNFnEePRrU-YJfr9Be7
   elsif /youtube\.com\/(?<user>[^\/\?#]+)/ =~ params[:q]
     # https://www.youtube.com/khanacademy
   elsif /youtu\.be\/(?<video_id>[^\?#]+)/ =~ params[:q]
@@ -64,6 +66,8 @@
 
   if channel_id
     redirect "https://www.youtube.com/feeds/videos.xml?channel_id=#{channel_id}"
+  elsif playlist_id
+    redirect "https://www.youtube.com/feeds/videos.xml?playlist_id=#{playlist_id}"
   else
     "Could not find the channel. Sorry."
   end
diff --git a/views/index.erb b/views/index.erb
index c3905d9..ca35778 100644
--- a/views/index.erb
+++ b/views/index.erb
@@ -29,7 +29,7 @@ a {
 }
 @media (min-width: 768px) {
   .container {
-    max-width: 730px;
+    max-width: 770px;
   }
 }
 
@@ -155,7 +155,7 @@ $(document).ready(function() {
     <h2>About</h2>
 
     <ul>
-      <li>YouTube lets you subscribe to a channel's recent videos, but it is difficult to find the url.</li>
+      <li>YouTube lets you subscribe to a channel's recent videos, but it is difficult to find the url. Playlists also work.</li>
       <li>The other platforms don't have native feeds, so this website builds a feed from their API.</li>
     </ul>