app/controllers/application_controller.rb

@@ -94,14 +94,18 @@ class ApplicationController < ActionController::Base
     render :migration_error, status: 500 unless ENV["DB_MIGRATE_FAILED"].blank?
   end
 
-  # Sets the appropriate locale.
-  def user_locale(user = current_user)
-    locale = if user && user.language != 'default'
+  # Determines proper locale to be used by calling user_locale with params based on if room owner exists
+  def determine_locale(user)
+    if user && user.language != 'default'
       user.language
     else
       Rails.configuration.default_locale.presence || http_accept_language.language_region_compatible_from(I18n.available_locales)
     end
+  end
 
+  # Sets the appropriate locale.
+  def user_locale(user = current_user)
+    locale = determine_locale(user)
     begin
       I18n.locale = locale.tr('-', '_') unless locale.nil?
     rescue
@@ -110,6 +114,7 @@ class ApplicationController < ActionController::Base
       I18n.locale = "en"
     end
   end
+  helper_method :user_locale
 
   # Checks to make sure that the admin has changed his password from the default
   def check_admin_password

app/views/layouts/application.html.erb

@@ -31,6 +31,7 @@
     <title><%= yield(:page_title).present? ? yield(:page_title) : t("bigbluebutton") %></title>
     <meta property="og:title" content="<%= yield(:page_title).present? ? yield(:page_title) : t("bigbluebutton") %>" />
     <meta property="og:type" content="website" />
+    <meta property="og:locale" content=<%=user_locale(@room&.owner)%> />
     <meta property="og:description" content="<%= yield(:page_desc).present? ? yield(:page_desc) : t("landing.about", href: "Greenlight", locale: :en) %>" />
     <meta property="og:url" content="<%= request.base_url %>" />
     <meta property="og:image" content="<%= logo_image %>" />