User specific timezones in rails

_form.html.erb

<%= f.label :time_zone %>
<%= f.time_zone_select :time_zone %>

add_timezone_to_users.rb

class AddTimezoneColumnToUsers < ActiveRecord::Migration
  def self.change
    add_column :users, :time_zone, :string
  end
end

application_controller.rb

class ApplicationController < ActionController::Base
  before_filter: set_user_time_zone

  def set_user_time_zone
    Time.zone = current_user.time_zone if user_signed_in?
  end
end

expired