cerrar la sesión y cambiar de idioma

app/assets/stylesheets/application.scss

@@ -92,3 +92,8 @@ textarea.post-content {
   direction: rtl;
   text-align: right;
 }
+
+.btn-text {
+  background-color: transparent;
+  border: none;
+}

app/controllers/application_controller.rb

@@ -1,6 +1,7 @@
 # Forma de ingreso a Sutty
 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
+  before_action :set_locale
 
   # No tenemos índice de sutty, vamos directamente a ver el listado de
   # sitios
@@ -36,4 +37,8 @@ class ApplicationController < ActionController::Base
   def find_lang
     params.fetch(:lang, I18n.locale.to_s)
   end
+
+  def set_locale
+    I18n.locale = session[:lang] if session[:lang].present?
+  end
 end

app/controllers/login_controller.rb

@@ -12,10 +12,20 @@ class LoginController < ApplicationController
 
   def create
     authenticate
+    session[:lang] = params[:lang]
 
     if authenticated?
       # TODO enviar a la URL de donde vinimos
       redirect_to sites_path
+    else
+      flash[:error] = t('login.error')
+      render 'login/new'
     end
   end
+
+  def delete
+    warden.logout
+
+    redirect_to login_new_path
+  end
 end

app/views/layouts/_breadcrumb.haml

@@ -1,5 +1,6 @@
 %nav{'aria-label': 'breadcrumb', role: 'navigation'}
   %ol.breadcrumb
+    %li.breadcrumb-item= render 'login/logout'
     - crumbs.compact.each do |crumb|
       - if crumb == crumbs.last
         %li.breadcrumb-item.active{'aria-current': 'page'}= crumb

app/views/login/_logout.haml

@@ -0,0 +1,4 @@
+= form_tag login_logout_path, method: :delete, class: 'form-inline' do
+  = button_tag type: 'submit', class: 'btn-text',
+    data: { toggle: 'tooltip' }, title: t('help.logout') do
+    = fa_icon('sign-out')

app/views/login/new.haml

@@ -9,6 +9,10 @@
         %input{type: 'email', name: 'username', class: 'form-control', placeholder: t('login.email')}
       .form-group
         %input{type: 'password', name: 'password', class: 'form-control', placeholder: t('login.password')}
+      .form-group
+        %select.form-control{name: 'lang', placeholder: t('login.lang')}
+          %option{value: 'en'} English
+          %option{value: 'es'} Castellano
 
       .form-group
         %input{type: 'submit', value: t('login.submit'), class: 'btn btn-lg btn-primary btn-block'}

config/locales/en.yml

@@ -3,6 +3,7 @@ en:
     argument_error: 'Argument `%{argument}` must be an instance of %{class}'
     unknown_locale: 'Unknown %{locale} locale'
   help:
+    logout: 'Close the session'
     breadcrumbs: "What you see up here are the bread crumbs for this
     site.  When you enter a new section, you will see the previous ones
     and also have a path for where you\'re standing."
@@ -86,6 +87,9 @@ en:
     email: 'E-mail'
     password: 'Password'
     submit: 'Log in'
+    logout: 'Log out'
+    lang: 'Language'
+    error: 'There was an error during log in.  Did you type your credentials correctly?'
   sites:
     actions: 'Actions'
     posts: 'View and edit posts'

config/locales/es.yml

@@ -3,6 +3,7 @@ es:
     argument_error: 'El argumento `%{argument}` debe ser una instancia de %{class}'
     unknown_locale: 'El idioma %{locale} es desconocido'
   help:
+    logout: 'Cierra la sesión'
     breadcrumbs: 'Lo que ves arriba son las migas de pan de este sitio.
     Cuando ingreses a una sección, podrás volver a las secciones
     anteriores y además tener una ruta de donde estás parada.'
@@ -88,6 +89,9 @@ es:
     email: 'Dirección de correo'
     password: 'Contraseña'
     submit: 'Ingresar'
+    lang: 'Idioma'
+    logout: 'Salir'
+    error: 'Hubo un error al iniciar la sesión.  ¿Escribiste bien tus credenciales?'
   sites:
     actions: 'Acciones'
     posts: 'Ver y editar artículos'

config/routes.rb

@@ -3,6 +3,8 @@ Rails.application.routes.draw do
 
   get 'login/new', to: 'login#new'
   post 'login', to: 'login#create'
+  delete 'login/logout', to: 'login#delete'
+
   get 'markdown', to: 'application#markdown'
 
   resources :sites, only: [ :index, :show ] do