Add markdown at post description

app/models/post.rb

@@ -122,4 +122,8 @@ class Post < ActiveRecord::Base
   def member
     @member ||= Member.find_by(user_id: user_id, organization_id: organization_id)
   end
+
+  def rendered_description
+    RDiscount.new(description, :autolink)
+  end
 end

app/views/shared/_post.html.haml

@@ -44,8 +44,8 @@
                   —
                 = ph
 
-  .col-md-9
-    %p.lead.post-description= post.description
+  .col-md-9.lead
+    = post.rendered_description.to_html.html_safe
 
 - unless current_user
   .alert.alert-info

app/views/shared/_post_form.html.haml

@@ -6,6 +6,10 @@
   .form-group
     = f.label :description
     = f.text_area :description, rows: "10", class: "form-control"
+    %p.small.text-right
+      = t ".you_can_use"
+      - wiki_url = "https://#{I18n.locale}.wikipedia.org/wiki/Markdown"
+      %a{ href: wiki_url, title: "Markdown" } Markdown
   .form-group
     = f.label :category, required: true
     = f.select :category_id, Category.all.sort_by{ |a| a.name.downcase }.map{ |cat| [cat.name, cat.id] }, { include_blank: true }, { class: "form-control" }

app/views/shared/_posts.html.haml

@@ -3,7 +3,7 @@
     %h4
       = link_to post do
         = post.title
-    %p= post.description
+    %p= strip_tags(post.rendered_description.to_html)
     %p
       %small
         - if post.category

config/locales/ca.yml

@@ -372,3 +372,5 @@ ca:
     movements:
       delete_reason: Esteu segur d'esborrar aquest comentari?
       movements: Moviments
+    post_form:
+      you_can_use: Pots fer servir

config/locales/en.yml

@@ -368,3 +368,5 @@ en:
     movements:
       delete_reason: Are you sure to delete this comment?
       movements: Movements
+    post_form:
+      you_can_use: You can use

config/locales/es.yml

@@ -377,3 +377,5 @@ es:
     movements:
       delete_reason: ¿Está seguro de borrar este comentario?
       movements: Movimientos
+    post_form:
+      you_can_use: Puedes usar