From 3247180dfa776eb4109712387b7a8a5520ae068e Mon Sep 17 00:00:00 2001
From: rgarcia <voodoorai2000@gmail.com>
Date: Tue, 28 Jul 2015 20:32:53 +0200
Subject: [PATCH] responds with ajax to comment creation [#47]

---
 app/controllers/comments_controller.rb | 9 +++++----
 app/views/comments/_form.html.erb      | 2 +-
 app/views/comments/create.js.erb       | 4 ++++
 3 files changed, 10 insertions(+), 5 deletions(-)
 create mode 100644 app/views/comments/create.js.erb

diff --git a/app/controllers/comments_controller.rb b/app/controllers/comments_controller.rb
index 91a92e5ba..00fd20653 100644
--- a/app/controllers/comments_controller.rb
+++ b/app/controllers/comments_controller.rb
@@ -1,12 +1,13 @@
 class CommentsController < ApplicationController
   before_action :authenticate_user!
   before_action :set_debate, :set_parent
+  respond_to :html, :js
 
   def create
-    comment = Comment.build(@debate, current_user, params[:comment][:body])
-    comment.save!
-    comment.move_to_child_of(@parent) if reply?
-    redirect_to @debate, notice: "Comentario guardado"
+    @comment = Comment.build(@debate, current_user, params[:comment][:body])
+    @comment.save!
+    @comment.move_to_child_of(@parent) if reply?
+    respond_with @comment
   end
 
   private
diff --git a/app/views/comments/_form.html.erb b/app/views/comments/_form.html.erb
index 03b6caad7..11478e39b 100644
--- a/app/views/comments/_form.html.erb
+++ b/app/views/comments/_form.html.erb
@@ -1,7 +1,7 @@
 <%= link_to comment_link_text(parent), "", class: "js-add-comment-link", data: {'id': dom_id(parent)} %>
 
 <div id="js-comment-form-<%= dom_id(parent) %>" style="display:none">
-  <%= form_for [@debate, Comment.new] do |f| %>
+  <%= form_for [@debate, Comment.new], remote: true do |f| %>
     <%= f.text_area :body %>
     <%= f.hidden_field :commentable_type, value: parent.class %>
     <%= f.hidden_field :commentable_id, value: parent.id %>
diff --git a/app/views/comments/create.js.erb b/app/views/comments/create.js.erb
new file mode 100644
index 000000000..b694c6a69
--- /dev/null
+++ b/app/views/comments/create.js.erb
@@ -0,0 +1,4 @@
+var form = "#js-comment-form-<%= dom_id(@parent) %>"
+$(form + " #comment_body").val('');
+$(form).hide();
+$("<%= j(render @comment) %>").insertAfter($(form));
\ No newline at end of file