Example of Localization in Devise Views

_localization_in_devise_views.md

Install Devise

#out of article scope

Generate Devise Views

rails g devise:views

Add file to config/locale/devise.en.yml

Add file to config/locale/devise.ja.yml

controller_example.rb

class ApplicationController < ActionController::Base
  protect_from_forgery

  before_filter :set_locale

  def set_locale
    I18n.locale = extract_locale
  end

  private

  def extract_locale
    allowed_env = %w{en ja} #english, japanese only
    env = (request.env['HTTP_ACCEPT_LANGUAGE'] || "").scan(/^[a-z]{2}/).first
    allowed_env.include?(env) ? env : env = "en" #default to english
  end

end

en.yml

# english example  
# => config/locales/en.yml

  devise:
    confirmations:
      new:
        resend_confirmation_instructions: 'Resend confirmation instructions'
        email: 'Email'
    mailer:
      confirmation_instructions:
        welcome: 'Welcome'
        you_can_confirm: 'You can confirm your account email through the link below'
        #You can confirm your account email through the link below
        confirm_my_account: 'Confirm my account'
      reset_password_instructions:
        hello: 'Hello'
        someone_has_requested: 'Someone has requested a link to change your password, and you can do this through the link below.'
        #Someone has requested a link to change your password, and you can do this through the link below.
        change_my_password: 'Change my password'
        if_you_did_not_request: 'If you did not request this, please ignore this email.'
        #If you did not request this, please ignore this email.
        your_password_will_not_change: 'Your password will not change until you access the link above and create a new one.'
        # Your password will not change until you access the link above and create a new one.
      unlock_instructions:
        hello: 'Hello'
        you_account_has_been_locked: 'Your account has been locked due to an excessive amount of unsuccessful sign in attempts.'
        #Your account has been locked due to an excessive amount of unsuccessful sign in attempts.
        click_the_link_below: 'Click the link below to unlock your account'
        unlock_my_account: 'Unlock my account'
    passwords:
      new:
        forgot_your_password: "Forgot your password"
        send_me_reset_password_instructions: "Send me reset password instructions"
        email: "Email"
      edit:
        change_your_password: "Change your password"
        new_password: "New password"
        confirm_new_password: "Confirm new password"
        change_my_password: "Change my password"  
    registrations:
      edit:
        edit: "Edit"
        email: "Email"
        password: "Password"
        password_confirmation: "Password confirmation"
        current_password: "Current password"
        cancel_my_account: "Cancel my account"
        update: "Update"
        back: "Back"
        are_you_sure: "Are you sure?"
        unhappy: "Unhappy?"
        we_need_password_to_confirm: "(we need your current password to confirm your changes)"
        leave_blank_if_no_change: "(leave blank if you don't want to change it)"
      new:
        sign_up: "Sign up"
        email: "Email"
        password: 'Password'
        password_confirmation: "Password confirmation"
    sessions:
      new:
        sign_in: 'Sign in'
        email: 'Email'
        password: 'Password'
        remember_me: 'Remember me'
    shared:
      links:
        forgot_your_password: "Forgot your password?"
        did_not_receive_confirm_instructions: "Didn't receive confirm instructions?"
        did_not_receive_unlock_instructions: "Did not receive unlock instructions?"
        sign_in_with: "Sign in with"
        sign_in: "Sign in"
        sign_up: "Sign up" 
    unlocks:
      new:
        resend_unlock_instructions: "Resend unlock instructions"
        email: 'Email'

ja.yml

# japanese example
# => config/locales/ja.yml

  devise:
    confirmations:
      new:
        resend_confirmation_instructions: 'Ja:Resend confirmation instructions'
        email: 'Ja:Email'
    mailer:
      confirmation_instructions:
        welcome: 'Ja:Welcome'
        you_can_confirm: 'Ja:You can confirm your account email through the link below'
        #You can confirm your account email through the link below
        confirm_my_account: 'Ja:Confirm my account'
      reset_password_instructions:
        hello: 'Ja:Hello'
        someone_has_requested: 'Ja:Someone has requested a link to change your password, and you can do this through the link below.'
        #Someone has requested a link to change your password, and you can do this through the link below.
        change_my_password: 'Ja:Change my password'
        if_you_did_not_request: 'Ja:If you did not request this, please ignore this email.'
        #If you did not request this, please ignore this email.
        your_password_will_not_change: 'Ja:Your password will not change until you access the link above and create a new one.'
        # Your password will not change until you access the link above and create a new one.
      unlock_instructions:
        hello: 'Ja:Hello'
        you_account_has_been_locked: 'Ja:Your account has been locked due to an excessive amount of unsuccessful sign in attempts.'
        #Your account has been locked due to an excessive amount of unsuccessful sign in attempts.
        click_the_link_below: 'Ja:Click the link below to unlock your account'
        unlock_my_account: 'Ja:Unlock my account'
    passwords:
      new:
        forgot_your_password: "Ja:Forgot your password"
        send_me_reset_password_instructions: "Ja:Send me reset password instructions"
        email: "Ja:Email"
      edit:
        change_your_password: "Ja:Change your password"
        new_password: "Ja:New password"
        confirm_new_password: "Ja:Confirm new password"
        change_my_password: "Ja:Change my password"  
    registrations:
      edit:
        edit: "Ja:Edit"
        email: "Ja:Email"
        password: "Ja:Password"
        password_confirmation: "Ja:Password confirmation"
        current_password: "Ja:Current password"
        cancel_my_account: "Ja:Cancel my account"
        update: "Ja:Update"
        back: "Ja:Back"
        are_you_sure: "Ja:Are you sure?"
        unhappy: "Ja:Unhappy?"
        we_need_password_to_confirm: "Ja:(we need your current password to confirm your changes)"
        leave_blank_if_no_change: "Ja:(leave blank if you don't want to change it)"
      new:
        sign_up: "Ja:Sign up"
        email: "Ja:Email"
        password: 'Ja:Password'
        password_confirmation: "Ja:Password confirmation"
    sessions:
      new:
        sign_in: 'Ja:Sign in'
        email: 'Ja:Email'
        password: 'Ja:Password'
        remember_me: 'Ja:Remember me'
    shared:
      links:
        forgot_your_password: "Ja:Forgot your password?"
        did_not_receive_confirm_instructions: "Ja:Didn't receive confirm instructions?"
        did_not_receive_unlock_instructions: "Ja:Did not receive unlock instructions?"
        sign_in_with: "Ja:Sign in with"
        sign_in: "Ja:Sign in"
        sign_up: "Ja:Sign up" 
    unlocks:
      new:
        resend_unlock_instructions: "Ja:Resend unlock instructions"
        email: 'Ja:Email'

rpsec_example_for_i18n.rb

require_relative '../../spec_helper'

describe Admin::UsersController do
  describe "localization on #index" do
    it 'returns AppName in English' do
      page.driver.header 'Accept-Language', 'en'
      visit('/admin/users')
      find('.brand').should have_content('LessonNote')
    end

    it 'returns AppName in Japanese' do
      page.driver.header 'Accept-Language', 'ja'
      visit('/admin/users')
      find('.brand').should have_content('Ja:LessonNote')
    end

    it 'returns AppName in English as default' do
      page.driver.header 'Accept-Language', 'de'
      visit('/admin/users')
      find('.brand').should have_content('LessonNote')
    end
  end
end