Handle errors using Gaffe

app/controllers/errors_controller.rb

@@ -0,0 +1,24 @@
+class ErrorsController < ApplicationController
+  include Gaffe::Errors
+
+  skip_before_filter :authenticate
+
+  layout :current_layout
+
+  def show
+    render "errors/#{@rescue_response}", status: @status_code
+  end
+
+  private
+
+  def current_layout
+    # Need foodcoop for `current_user`, even though it may not be retrieved from the url.
+    params[:foodcoop] ||= session[:scope]
+    current_user ? 'application' : 'login'
+  end
+
+  def login_layout?
+    current_user.nil?
+  end
+  helper_method :login_layout?
+end