From 7ddc4e615036d6eb6346e31f759561aa54cda764 Mon Sep 17 00:00:00 2001
From: f <f@sutty.nl>
Date: Thu, 7 Nov 2019 13:06:40 -0300
Subject: [PATCH] ordenar!

---
 app/controllers/posts_controller.rb |  4 +++-
 app/models/metadata_date.rb         |  3 +++
 app/models/post_relation.rb         | 16 ++++++++++++++++
 app/views/posts/index.haml          | 11 ++++++++++-
 4 files changed, 32 insertions(+), 2 deletions(-)

diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index da0fe1f..14af15f 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -9,8 +9,10 @@ class PostsController < ApplicationController
     authorize Post
     @site = find_site
     @category = session[:category] = params.dig(:category)
+    @layout = params.dig(:layout).try :to_sym
     # TODO: Aplicar policy_scope
-    @posts    = @site.posts(lang: I18n.locale)
+    @posts = @site.posts(lang: I18n.locale)
+    @posts.sort_by! :order, :date
   end
 
   def show
diff --git a/app/models/metadata_date.rb b/app/models/metadata_date.rb
index ea0bad5..7e26c00 100644
--- a/app/models/metadata_date.rb
+++ b/app/models/metadata_date.rb
@@ -1,4 +1,7 @@
 # frozen_string_literal: true
 
 class MetadataDate < MetadataTemplate
+  def default_value
+    Date.today
+  end
 end
diff --git a/app/models/post_relation.rb b/app/models/post_relation.rb
index ce1063b..22eb5ca 100644
--- a/app/models/post_relation.rb
+++ b/app/models/post_relation.rb
@@ -31,6 +31,22 @@ class PostRelation < Array
     post
   end
 
+  alias sort_by_generic! sort_by!
+
+  # Permite ordenar los artículos por sus atributos
+  #
+  # XXX: Prestar atención cuando estamos mezclando artículos con
+  # diferentes tipos de atributos.
+  def sort_by!(*attrs)
+    sort_by_generic! do |post|
+      attrs.map do |attr|
+        return 0 unless post.attributes.include? attr
+
+        post.public_send(attr).value
+      end
+    end
+  end
+
   alias find_generic find
 
   # Encontra un post por su id convertido a SHA1
diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index 2418b69..12730e8 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -37,6 +37,8 @@
                   - if @category
                     - next unless post.attributes.include? :categories
                     - next unless post.categories.value.include?(@category)
+                  - if @layout
+                    - next unless post.layout.name == @layout
                   - next unless policy(post).show?
                   %tr
                     %td
@@ -45,6 +47,10 @@
                       = hidden_field 'post[reorder]', post.sha1,
                         value: i, class: 'reorder'
                     %td
+                      %small
+                        = link_to post.layout.name.to_s.humanize,
+                          site_posts_path(@site, layout: post.layout.name)
+                      %br/
                       = link_to post.title.value,
                         site_post_path(@site, post.id)
                       - if post.attributes.include? :draft
@@ -58,7 +64,10 @@
                             - post.categories.value.each do |c|
                               = link_to c, site_posts_path(@site, category: c)
 
-                    %td= post.date.value.strftime('%F')
+                    %td
+                      = post.date.value.strftime('%F')
+                      %br/
+                      = post.try(:order).try(:value)
                     %td
                       - if policy(post).edit?
                         = link_to t('posts.edit'),