From 86559fad2017aa5543037aa88639c80901af818b Mon Sep 17 00:00:00 2001
From: Marcin Kulik <m@ku1ik.com>
Date: Sun, 29 Mar 2015 18:43:32 +0000
Subject: [PATCH] Add oEmbed discovery tags to asciicast page

---
 app/presenters/asciicast_page_presenter.rb | 4 ++++
 app/views/asciicasts/show.html.slim        | 3 +++
 app/views/layouts/application.html.slim    | 1 +
 3 files changed, 8 insertions(+)

diff --git a/app/presenters/asciicast_page_presenter.rb b/app/presenters/asciicast_page_presenter.rb
index 9e14530..c7b208b 100644
--- a/app/presenters/asciicast_page_presenter.rb
+++ b/app/presenters/asciicast_page_presenter.rb
@@ -107,6 +107,10 @@ class AsciicastPagePresenter
     author.asciicasts_excluding(asciicast, 3).decorate
   end
 
+  def asciicast_oembed_url(routes, format)
+    routes.oembed_url(url: routes.asciicast_url(asciicast), format: format)
+  end
+
   private
 
   def author
diff --git a/app/views/asciicasts/show.html.slim b/app/views/asciicasts/show.html.slim
index d152d93..5310ae6 100644
--- a/app/views/asciicasts/show.html.slim
+++ b/app/views/asciicasts/show.html.slim
@@ -1,4 +1,7 @@
 - content_for(:title, page.title)
+- content_for(:head) do
+  link rel="alternate" type="application/json+oembed" href="#{page.asciicast_oembed_url(self, :json)}"
+  link rel="alternate" type="text/xml+oembed" href="#{page.asciicast_oembed_url(self, :xml)}"
 
 .asciicast-page
   section.cinema
diff --git a/app/views/layouts/application.html.slim b/app/views/layouts/application.html.slim
index 4bcbebe..5595a71 100644
--- a/app/views/layouts/application.html.slim
+++ b/app/views/layouts/application.html.slim
@@ -11,6 +11,7 @@ html[lang="en"]
     = javascript_include_tag "player"
     = favicon_link_tag 'favicon.png'
     = render 'layouts/ga' if Rails.env.production?
+    = content_for(:head)
   body
     = render 'layouts/header'
     = render 'shared/flash'