Organises the app with libraries and settings

Signed-off-by: Akash Manohar J <[email protected]>
kandanapp · Mar 7, 2012 · 9a2a2e7 · 9a2a2e7
1 parent 064341d
commit 9a2a2e7
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Showing 8 changed files with 62 additions and 4 deletions.
diff --git a/app/models/activity_observer.rb b/app/models/activity_observer.rb
@@ -0,0 +1,6 @@
+class ActivityObserver < ActiveRecord::Observer
+
+  def after_save(activity)
+    Kandan::Config.broadcaster.broadcast(activity.attributes)
+  end
+end
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
@@ -2,9 +2,14 @@
 <html>
 <head>
   <title>Kandan</title>
-  <%= stylesheet_link_tag    "application", :media => "all" %>
+  <%= stylesheet_link_tag  "application", :media => "all" %>
+
+  <%- Kandan::Config.broadcaster.assets.each do |asset| %>
+    <%= javascript_include_tag asset %>
+  <%- end %>
+
   <%= javascript_include_tag "application" %>
-  <%= javascript_include_tag "#{ENV['FAYEJS']}.js" %>
+
   <%= csrf_meta_tags %>
 </head>
 <body>

diff --git a/config/application.rb b/config/application.rb
@@ -29,7 +29,7 @@ class Application < Rails::Application
     # config.plugins = [ :exception_notification, :ssl_requirement, :all ]
 
     # Activate observers that should always be running.
-    # config.active_record.observers = :cacher, :garbage_collector, :forum_observer
+    config.active_record.observers = :activity_observer
 
     # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.

diff --git a/config/initializers/faye.rb b/config/initializers/faye.rb
diff --git a/config/initializers/kandan.rb b/config/initializers/kandan.rb
@@ -0,0 +1,6 @@
+Dir["#{Rails.root}/lib/broadcasters/**/*.rb"].each do |file|
+  require file
+end
+
+require "#{Rails.root}/lib/kandan_config.rb"
+
diff --git a/config/kandan_settings.yml b/config/kandan_settings.yml
@@ -0,0 +1,9 @@
+########################
+# Kandan settings file
+########################
+
+
+# What should be used for broadcasting messages to browser?
+# valid options: Faye
+:broadcaster:
+  :name: "Faye"
diff --git a/lib/broadcasters/faye.rb b/lib/broadcasters/faye.rb
@@ -0,0 +1,18 @@
+module Broadcasters
+  class Faye
+    class << self
+      def broadcast(channel, message)
+        # NOTE FAYE_CLIENT is set in the config.ru file due to the faye bug
+        if defined?(FAYE_CLIENT)
+          FAYE_CLIENT.publish channel, message
+        else
+          puts "OOPS! FAYE_CLIENT is not defined"
+        end
+      end
+
+      def assets
+        ["/remote/faye.js"]
+      end
+    end
+  end
+end
diff --git a/lib/kandan_config.rb b/lib/kandan_config.rb
@@ -0,0 +1,15 @@
+module Kandan
+  class Config
+
+    class << self
+      def options
+        @config ||= YAML.load_file "#{Rails.root}/config/kandan_settings.yml"
+      end
+
+      def broadcaster
+        Broadcasters.const_get(Kandan::Config.options[:broadcaster][:name])
+      end
+    end
+
+  end
+end