usar caché!

app/controllers/posts_controller.rb

@@ -14,12 +14,16 @@ class PostsController < ApplicationController
     @posts = @site.posts(lang: lang)
     @posts.sort_by!(:order, :date).reverse!
     @usuarie = @site.usuarie? current_usuarie
+
+    fresh_when @posts
   end
 
   def show
     @site = find_site
     @post = @site.posts(lang: lang).find params[:id]
     authorize @post
+
+    fresh_when @post
   end
 
   def new

app/controllers/sites_controller.rb

@@ -9,6 +9,8 @@ class SitesController < ApplicationController
   def index
     authorize Site
     @sites = current_usuarie.sites.order(:title)
+
+    fresh_when @sites
   end
 
   # No tenemos propiedades de un sitio aún, así que vamos al listado de

app/models/post.rb

@@ -70,6 +70,11 @@ class Post < OpenStruct
     document.read! if File.exist? document.path
   end
 
+  # Devuelve una llave para poder guardar el post en una cache
+  def cache_key
+    'posts/' + uuid.value
+  end
+
   # TODO: Convertir a UUID?
   def id
     path.basename

app/views/posts/index.haml

@@ -7,6 +7,7 @@
 
 %main.row
   %aside.menu.col-md-3
+    - cache @site do
       %h1
         = link_to @site.title, @site.url
       %p.lead= @site.description
@@ -43,6 +44,10 @@
               - if @layout
                 - next unless post.layout.name == @layout
               - next unless @usuarie || policy(post).show?
+              -#
+                TODO: Solo les usuaries cachean porque tenemos que separar
+                les botones por permisos.
+              - cache_if @site.usuarie?(current_usuarie), post do
                 %tr
                   %td
                     .handle

app/views/sites/index.haml

@@ -15,6 +15,10 @@
     %table.table.table-condensed
       %tbody
         - @sites.each do |site|
+          -#
+            TODO: Solo les usuaries cachean porque tenemos que separar
+            les botones por permisos.
+          - cache_if site.usuarie?(current_usuarie),  site do
             %tr
               %td
                 %h2

config/environments/development.rb

@@ -21,7 +21,7 @@ Rails.application.configure do
   if Rails.root.join('tmp/caching-dev.txt').exist?
     config.action_controller.perform_caching = true
 
-    config.cache_store = :redis_cache_store
+    config.cache_store = :redis_cache_store, { url: ENV['REDIS_SERVER'] }
     config.public_file_server.headers = {
       'Cache-Control' => "public, max-age=#{2.days.to_i}"
     }

config/environments/production.rb

@@ -29,13 +29,10 @@ Rails.application.configure do
 
   # Compress CSS using a preprocessor.
   config.assets.css_compressor = :sass
-
-  # rubocop:disable Lint/HandleExceptions
   begin
     config.assets.js_compressor = Uglifier.new(harmony: true)
   rescue NameError
   end
-  # rubocop:enable Lint/HandleExceptions
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = false
@@ -63,7 +60,7 @@ Rails.application.configure do
   config.log_tags = [:request_id]
 
   # Use a different cache store in production.
-  config.cache_store = :redis_cache_store
+  config.cache_store = :redis_cache_store, { url: ENV['REDIS_SERVER'] }
 
   # Use a real queuing backend for Active Job (and separate queues per
   # environment)
@@ -142,7 +139,7 @@ Rails.application.configure do
 
   config.middleware.use ExceptionNotification::Rack,
                         email: {
-                          email_prefix: '[ERROR]',
+                          email_prefix: '[ERROR] ',
                           sender_address: ENV['DEFAULT_FROM'],
                           exception_recipients: ENV['EXCEPTION_TO']
                         }