esconder el contenido si la ficha es solo metadatos #51

app/models/post.rb

@@ -22,7 +22,7 @@ class Post
   # datos que no tienen que terminar en el front matter
   REJECT_FROM_FRONT_MATTER = %w[date slug draft ext].freeze
   # datos que no traemos del template
-  REJECT_FROM_TEMPLATE = %w[date draft categories layout title ext tags date slug].freeze
+  REJECT_FROM_TEMPLATE = %w[has_content date draft categories layout title ext tags date slug].freeze
   DEFAULT_PARAMS = [:title, :date, :content, :slug, :cover,
       :layout, :permalink, :dir,
       { lang: {} }, { tags: [] }, { categories: [] }]
@@ -185,6 +185,11 @@ class Post
     @content ||= @post.try(:content) || template.try(:content)
   end
 
+  # Determina si el post lleva contenido o es solo front_matter
+  def content?
+    template.fetch_front_matter('has_content', true)
+  end
+
   # imita Model.update_attributes de ActiveRecord
   def update_attributes(attrs)
     # el cuerpo se maneja por separado
@@ -225,6 +230,11 @@ class Post
     @front_matter.dig(name.to_s)
   end
 
+  # Como get_front_matter pero con un valor por defecto
+  def fetch_front_matter(name, default)
+    @front_matter.fetch(name, default)
+  end
+
   # Trae el template a partir del layout
   def template_from_layout
     @site.templates.find do |t|

app/views/posts/_form.haml

@@ -28,12 +28,13 @@
   .form-group
     = label_tag 'post_title', t('posts.title')
     = text_field 'post', 'title', value: @post.title, class: field_class, required: true
-  .form-group{class: direction}
-    = render 'layouts/help', help: [ t('help.markdown.intro'),
-      t('help.distraction_free_html'),
-      t('help.preview_html') ]
-    = text_area_tag 'post[content]', @post.content, autofocus: true,
-      class: 'post-content'
+  - if @post.content?
+    .form-group{class: direction}
+      = render 'layouts/help', help: [ t('help.markdown.intro'),
+        t('help.distraction_free_html'),
+        t('help.preview_html') ]
+      = text_area_tag 'post[content]', @post.content, autofocus: true,
+        class: 'post-content'
   .form-group
     = label_tag 'post_date', t('posts.date')
     = date_field 'post', 'date', value: @post.date.try(:strftime, '%F'),