app/controllers/application_controller.rb
class ApplicationController < ActionController::Base
# Prevent CSRF attacks by raising an exception.
# For APIs, you may want to use :null_session instead.
protect_from_forgery with: :exception
config.whitelisted_ips = '0.0.0.0'
def sign_in(user)
if user
session[:user_id] = user.id
end
end
protected
include ApplicationHelper
def authenticate!
unless signed_in?
flash[:error] = "You must first sign in before requesting that page"
return redirect_to :signin
end
end
end