* adding social description ability for sharing facebook

db/manifest

@@ -134,4 +134,5 @@ fix_max_mind_isp_and_geo.sql
 update_get_work_for_client_type.sql
 events.sql
 cascading_delete_constraints_for_release.sql
+events_social_description.sql
 

db/up/events_social_description.sql

@@ -0,0 +1 @@
+ALTER TABLE events ADD COLUMN social_description TEXT;

ruby/lib/jam_ruby/models/event.rb

@@ -1,9 +1,15 @@
 class JamRuby::Event < ActiveRecord::Base
 
-  attr_accessible :slug, :title, :description, :show_sponser, as: :admin
+  attr_accessible :slug, :title, :description, :show_sponser, :social_description, as: :admin
 
   validates :slug, uniqueness: true, presence: true
   validates :show_sponser, :inclusion => {:in => [true, false]}
 
+  before_validation     :sanitize_active_admin
+
+  def sanitize_active_admin
+    self.social_description = nil if self.social_description == ''
+  end
+
   has_many :event_sessions, class_name: 'JamRuby::EventSession'
 end

web/app/views/events/event.html.haml

@@ -1,5 +1,20 @@
 - provide(:title, @event.title)
 
+
+-content_for :social_meta do
+  %meta{property: 'fb_app_id',        content: Rails.application.config.facebook_app_id}
+  %meta{property: 'og:title',         content: 'JamKazam'}
+  %meta{property: 'og:url',           content: request.original_url}
+  %meta{property: 'og:description',   content: @event.social_description || "Play music together over the Internet as if in the same room."}
+  %meta{property: 'og:image',         content: request.protocol + request.host_with_port + image_path("web/logo-256.png")}
+  %meta{property: 'og:image:width',   content: '256'}
+  %meta{property: 'og:image:height',  content: '256'}
+  %meta{property: 'og:type',          content: 'website'}
+  %meta{property: 'twitter:card',     content: 'summary'}
+  %meta{property: 'twitter:site',     content: '@jamkazam'}
+  %meta{property: 'twitter:title',      content: 'JamKazam'}
+  %meta{property: 'twitter:description',content: @event.social_description || "Play music together over the Internet as if in the same room."}
+
 .landing-content
   %h1= @event.title
   %p.w60= raw(@event.description)