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     }
  10
  11     tags.map do |property, content|
  12       tag(:meta, :property => property, :content => content)
  13     end.join("").html_safe
  14   end
  15 end