From 68491435b8e7afaee9bc223f870ec298a96960a4 Mon Sep 17 00:00:00 2001
From: Brian Michalski <bmichalski@gmail.com>
Date: Wed, 5 Aug 2009 13:25:14 -0400
Subject: [PATCH] Adding support for oEmbed format embedding.

---
 app/controllers/services_controller.rb      | 15 ++++++++++++++
 app/helpers/services_helper.rb              |  2 ++
 app/models/thumbnail.rb                     | 22 +++++++++++++++++++++
 app/views/services/oembed.js.erb            | 15 ++++++++++++++
 app/views/services/oembed.xml.erb           | 14 +++++++++++++
 config/routes.rb                            |  2 ++
 test/functional/services_controller_test.rb |  8 ++++++++
 test/unit/helpers/services_helper_test.rb   |  4 ++++
 8 files changed, 82 insertions(+)
 create mode 100644 app/controllers/services_controller.rb
 create mode 100644 app/helpers/services_helper.rb
 create mode 100644 app/views/services/oembed.js.erb
 create mode 100644 app/views/services/oembed.xml.erb
 create mode 100644 test/functional/services_controller_test.rb
 create mode 100644 test/unit/helpers/services_helper_test.rb

diff --git a/app/controllers/services_controller.rb b/app/controllers/services_controller.rb
new file mode 100644
index 0000000..59191b5
--- /dev/null
+++ b/app/controllers/services_controller.rb
@@ -0,0 +1,15 @@
+class ServicesController < ApplicationController
+
+  def oembed
+    id = params[:url].scan(/\/(\d+)$/i).first.first
+    @video = Video.find(id)
+    
+    @thumbnail = @video.thumbnails.first
+    @thumb_size = @thumbnail.guess_size('thumb')
+    
+    respond_to do |format|
+      format.xml # oembed.xml.erb
+      format.js # oembed.js.erb
+    end
+  end
+end
diff --git a/app/helpers/services_helper.rb b/app/helpers/services_helper.rb
new file mode 100644
index 0000000..de58435
--- /dev/null
+++ b/app/helpers/services_helper.rb
@@ -0,0 +1,2 @@
+module ServicesHelper
+end
diff --git a/app/models/thumbnail.rb b/app/models/thumbnail.rb
index 048064b..3799f5c 100644
--- a/app/models/thumbnail.rb
+++ b/app/models/thumbnail.rb
@@ -9,4 +9,26 @@ class Thumbnail < ActiveRecord::Base
   
   default_scope select_without_file_columns_for(:image)
   
+  def guess_size(style = '')
+    if(style == 'thumb' || style == 'small')
+      if(style == 'thumb')
+        max = 75
+      elsif(style == 'small')
+        max = 150
+      else
+        max = 0
+      end
+      #Compute how big the thumbnail should be
+      if self.video.width >= self.video.height
+        width = max
+        height = (self.video.height.to_f / self.video.width.to_f * width).to_i
+      else 
+        height = max
+        width = (self.video.width.to_f / self.video.height.to_f * height).to_i
+      end
+      return {:width => width, :height => height}
+    else
+      return {:width => self.video.width, :height => self.video.height}
+    end
+  end
 end
diff --git a/app/views/services/oembed.js.erb b/app/views/services/oembed.js.erb
new file mode 100644
index 0000000..1cbd1af
--- /dev/null
+++ b/app/views/services/oembed.js.erb
@@ -0,0 +1,15 @@
+<% data = {:type => 'video',
+           :version => 1.0,
+           :provider_name => 'Bonsai Video',
+           :provider_url => url_for(:controller => 'videos', :action => 'index', :only_path => false),
+           :title => @video.name,
+           :html => (render :partial => 'videos/playback/handler', :locals => {:video => @video}),
+           :width => @video.width,
+           :height => @video.height,
+           :duration => @video.duration,
+           :thumbnail_url => path_to_url(@thumbnail.image.url(:thumb)),
+           :thumbnail_width => @thumb_size[:width],
+           :thumbnail_height => @thumb_size[:height],
+           :video_id => @video.id
+           }
+<%= "#{params[:callback]}(" if params[:callback]%><%= data.to_json %><%= ")" if params[:callback] %>
\ No newline at end of file
diff --git a/app/views/services/oembed.xml.erb b/app/views/services/oembed.xml.erb
new file mode 100644
index 0000000..782c5a9
--- /dev/null
+++ b/app/views/services/oembed.xml.erb
@@ -0,0 +1,14 @@
+<% data = {:type => 'video',
+           :version => 1.0,
+           :provider_name => 'Bonsai Video',
+           :provider_url => url_for(:controller => 'videos', :action => 'index', :only_path => false),
+           :title => @video.name,
+           :html => (render :partial => 'videos/playback/handler', :locals => {:video => @video}),
+           :width => @video.width,
+           :height => @video.height,
+           :duration => @video.duration,
+           :thumbnail_url => path_to_url(@thumbnail.image.url(:thumb)),
+           :thumbnail_width => @thumb_size[:width],
+           :thumbnail_height => @thumb_size[:height],
+           :video_id => @video.id
+           } %><%= data.to_xml({:root => 'oembed'}) %>
\ No newline at end of file
diff --git a/config/routes.rb b/config/routes.rb
index b89976e..0a85ff0 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -5,10 +5,12 @@
 
   map.resources :profiles
   
+  
   map.root :controller => "videos"
 
   #Exposes the video download interface 
   map.connect ':controller/:action/:id/:filename.:format'
+  map.connect ':controller/:action.:format'
   
   #Regular routes
   map.connect ':controller/:action/:id'
diff --git a/test/functional/services_controller_test.rb b/test/functional/services_controller_test.rb
new file mode 100644
index 0000000..b311c24
--- /dev/null
+++ b/test/functional/services_controller_test.rb
@@ -0,0 +1,8 @@
+require 'test_helper'
+
+class ServicesControllerTest < ActionController::TestCase
+  # Replace this with your real tests.
+  test "the truth" do
+    assert true
+  end
+end
diff --git a/test/unit/helpers/services_helper_test.rb b/test/unit/helpers/services_helper_test.rb
new file mode 100644
index 0000000..67e84ed
--- /dev/null
+++ b/test/unit/helpers/services_helper_test.rb
@@ -0,0 +1,4 @@
+require 'test_helper'
+
+class ServicesHelperTest < ActionView::TestCase
+end