Very basic implemetation of search feature against default elasticsearch...

Gemfile

@@ -50,4 +50,6 @@ gem 'mysql2'
 gem 'rails_autolink'
 gem 'rdiscount'
 gem 'delayed_job'
-gem 'delayed_job_active_record'
+gem 'delayed_job_active_record'
+gem 'elastic_searchable'
+

app/controllers/content_controller.rb

@@ -1,4 +1,9 @@
 class ContentController < ApplicationController
+
+  def resultspage
+    @posts = Post.search params[:query]
+  end 
+
   def frontpage
 		@page = page_number(params[:page])
     @posts = Post.find_frontpage(@page)

app/models/post.rb

@@ -10,7 +10,9 @@ class Post < ActiveRecord::Base
 	validates :title, :length => { :maximum => 255 }, :allow_blank => false
 	validates :text, :length => { :minimum => 2 }, :allow_blank => false
 
-	make_voteable
+  make_voteable
+
+  elastic_searchable
 
 	# Finds user posts with given page and standard ordering 
 	# (see <tt>Post.order_algorithm</tt> for order algorithm).

app/views/content/resultspage.html.erb

@@ -0,0 +1,3 @@
+<% @posts.each do |post| %>
+	<%= render partial: "posts/preview", locals: { post: post } %>
+<% end %>

config/initializers/elastic_searchable.rb

@@ -0,0 +1,5 @@
+# config/initializers/elastic_searchable.rb
+# (optional) customize elasticsearch host
+# default is localhost:9200
+# ElasticSearchable.base_uri = 'server:9200'
+

config/routes.rb

@@ -1,4 +1,6 @@
 Hackful::Application.routes.draw do
+  match "/results/:query" => "content#resultspage"
+
   get "admin/mail"
   post "admin/send_newsletter"