From cf93ba743df8e23ee71a8b323254146720005b80 Mon Sep 17 00:00:00 2001
From: f <f@kefir.red>
Date: Tue, 8 May 2018 18:57:11 -0300
Subject: [PATCH] WIP: crear un articulo a traves de una plantilla

---
 app/controllers/application_controller.rb |  2 +-
 app/controllers/posts_controller.rb       |  6 +++++-
 app/models/post.rb                        | 16 ++++++++++++----
 app/models/site.rb                        |  5 +++++
 app/views/posts/index.haml                | 11 +++++++++++
 config/locales/en.yml                     |  5 +++++
 config/routes.rb                          |  1 +
 7 files changed, 40 insertions(+), 6 deletions(-)

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 0aca486c..28b009af 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -39,7 +39,7 @@ class ApplicationController < ActionController::Base
   end
 
   def find_template(site)
-    id = params[:template_id] || params[:id]
+    id = params[:template_id] || params[:template]
     site.templates.find do |t|
       t.id == id
     end
diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index 610e6565..7787bab7 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -23,7 +23,11 @@ class PostsController < ApplicationController
   def new
     @site = find_site
     @lang = find_lang(@site)
-    @post = Post.new(site: @site, front_matter: { date: Time.now }, lang: @lang)
+    @template = find_template(@site)
+    @post = Post.new(site: @site,
+      front_matter: { date: Time.now },
+      lang: @lang,
+      template: @template)
   end
 
   def create
diff --git a/app/models/post.rb b/app/models/post.rb
index 55a6f37d..b32e0341 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -15,7 +15,7 @@ require 'jekyll/utils'
 # datos y los sincroniza al momento de leer y de escribir el Document.
 class Post
   attr_accessor :content, :front_matter
-  attr_reader :post, :site, :errors, :old_post, :lang
+  attr_reader :post, :site, :errors, :old_post, :lang, :template
 
   REJECT_FROM_DATA = %w[excerpt].freeze
   # datos que no tienen que terminar en el front matter
@@ -24,7 +24,7 @@ class Post
   # Trabajar con posts.  Si estamos creando uno nuevo, el **site** y
   # el **front_matter** son necesarios, sino, **site** y **post**.
   # XXX chequear que se den las condiciones
-  def initialize(site:, post: nil, front_matter: {}, lang: nil)
+  def initialize(site:, post: nil, front_matter: {}, lang: nil, template: nil)
     unless site.is_a?(Site)
       raise ArgumentError,
         I18n.t('errors.argument_error', argument: :site, class: Site)
@@ -38,6 +38,7 @@ class Post
 
     @site = site
     @post = post
+    @template = template
     # los errores tienen que ser un hash para que 
     # ActiveModel pueda traer los errores normalmente
     @errors = {}
@@ -52,7 +53,7 @@ class Post
 
     # sincronizar los datos del document
     if new?
-      @front_matter = {}
+      @front_matter = front_matter_from_template
       update_attributes front_matter
     else
       load_front_matter!
@@ -175,7 +176,7 @@ class Post
   # enviamos actualizaciones al front matter, debería traer el contenido
   # del post sin cambios
   def content
-    @content ||= @post.try :content
+    @content ||= @post.try(:content) || @template.try(:content)
   end
 
   # imita Model.update_attributes de ActiveRecord
@@ -211,6 +212,13 @@ class Post
 
   private
 
+  # Completa el front_matter a partir de las variables de otro
+  def front_matter_from_template
+    return {} unless @template
+
+    @template.front_matter
+  end
+
   # Genera un post nuevo y lo agrega a la colección del sitio.
   def new_post
     opts = { site: @site.jekyll, collection: @site.jekyll.collections[@collection] }
diff --git a/app/models/site.rb b/app/models/site.rb
index 71a82598..a58d776f 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -101,6 +101,11 @@ class Site
     @posts ||= posts_for('posts')
   end
 
+  # Obtiene todas las plantillas de artículos
+  def templates
+    @templates ||= posts_for('templates')
+  end
+
   # Obtiene todos los posts de una colección determinada
   #
   # Devuelve nil si la colección no existe
diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index 6c99649e..5b88d24d 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -12,6 +12,17 @@
     .btn-group
       = link_to t('posts.new'), new_site_post_path(@site, lang: @lang),
         class: 'btn btn-success'
+      %button.btn.btn-success.dropdown-toggle.dropdown-toggle-split{data: { toggle: 'split' },
+        aria: { haspopup: 'true', expanded: 'false' }}
+        %span.sr-only= t('posts.dropdown')
+      .dropdown-menu
+        - @site.templates.each do |template|
+          = link_to template.id.camelize,
+            new_site_post_path(@site, lang: @lang, template: template.id),
+            class: 'dropdown-item'
+        .dropdown-divider
+        = link_to t('templates.index'), site_templates_path(@site),
+          class: 'dropdown-item'
       - @site.translations.each do |l|
         = link_to t("i18n.#{l}"), site_posts_path(@site, category: @category, lang: l),
           class: 'btn btn-info'
diff --git a/config/locales/en.yml b/config/locales/en.yml
index ac7f40d3..232f4fb8 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -122,6 +122,10 @@ en:
     build_log: 'Read log'
   footer:
     powered_by: 'is developed by'
+  templates:
+    index: 'Templates'
+    edit: 'Edit'
+    save: 'Save'
   i18n:
     index: 'Translations'
     edit: 'Edit texts and translations'
@@ -145,6 +149,7 @@ en:
       date: 'date'
     order: 'Order'
     new: 'New post'
+    dropdown: 'Toggle dropdown'
     index: 'Posts'
     edit: 'Edit'
     save: 'Save'
diff --git a/config/routes.rb b/config/routes.rb
index 0d74a191..1924dd7f 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -9,6 +9,7 @@ Rails.application.routes.draw do
 
   resources :sites, only: [ :index, :show ] do
     resources :posts
+    resources :templates
 
     get 'i18n', to: 'i18n#index'
     get 'i18n/edit', to: 'i18n#edit'