Replace direct ES access with elasticsearch-model

Gemfile

@@ -26,6 +26,7 @@ gem 'omniauth'
 gem 'omniauth-browserid'
 
 gem 'elasticsearch'
+gem 'elasticsearch-model'
 
 # bundle exec rake doc:rails generates the API under doc/api.
 gem 'sdoc', '~> 0.4.0',          group: :doc

Gemfile.lock

@@ -58,6 +58,10 @@ GEM
       elasticsearch-transport (= 1.0.7)
     elasticsearch-api (1.0.7)
       multi_json
+    elasticsearch-model (0.1.7)
+      activesupport (> 3)
+      elasticsearch (> 0.4)
+      hashie
     elasticsearch-transport (1.0.7)
       faraday
       multi_json
@@ -181,6 +185,7 @@ DEPENDENCIES
   capybara
   coffee-rails
   elasticsearch
+  elasticsearch-model
   foundation-rails
   jquery-rails
   launchy

app/controllers/search_controller.rb

@@ -1,9 +1,8 @@
 class SearchController < ApplicationController
   def index
     @result = if params[:q].present?
-      es = Elasticsearch::Client.new
       # TODO: Add pagination
-      es.search index: 'loris', q: params[:q], size: 30
+      Paper.search(params[:q]).records
     end
   end
 end

app/models/paper.rb

@@ -1,6 +1,10 @@
+require 'elasticsearch/model'
 require 'json'
 
 class Paper < ActiveRecord::Base
+  include Elasticsearch::Model
+  include Elasticsearch::Model::Callbacks
+
   class << self
     def import_from_json(json_string)
       JSON.parse(json_string).each do |record|

app/views/search/index.html.slim

@@ -5,18 +5,18 @@ div
 .clearfix
   - if @result
     .left
-      | #{@result['hits']['total']} Treffer
+      | #{@result.size} Treffer
     .right
       button.button. TODO: Suche Abbonieren
 div
   - if @result
     ul.no-bullet
-      - @result['hits']['hits'].each do |doc|
+      - @result.each do |doc|
         li.search-result
-          small = doc['_source']['paperType']
+          small = doc.paper_type
           '
-          small = doc['_source']['originator'].join(', ')
+          small = doc.originator
           '
-          small = doc['_source']['publishedDate']
+          small = doc.published_at
-          = link_to "https://ratsinfo.leipzig.de/bi/#{doc['_source']['mainFile']}", target: '_blank' do
+          = link_to doc.url, target: '_blank' do
-            div = doc['_source']['name']
+            div = doc.name