app/helpers/open_graph_helper.rb

   1 module OpenGraphHelper
   2   def opengraph_tags(title = nil)
   3     tags = {
   4       "og:site_name" => t("layouts.project_name.title"),
   5       "og:title" => [t("layouts.project_name.title"), title].compact.join(" | "),
   6       "og:type" => "website",
   7       "og:image" => image_path("osm_logo_256.png", :host => SERVER_URL, :protocol => "http"),
   8       "og:image:secure_url" => image_path("osm_logo_256.png", :host => SERVER_URL, :protocol => "https"),
   9       "og:url" => url_for(:host => SERVER_URL)
  10     }
  11
  12     tags.map do |property, content|
  13       tag(:meta, :property => property, :content => content)
  14     end.join("").html_safe
  15   end
  16 end