refactor search function, add service Searcher

app/controllers/products_controller.rb

 class ProductsController < ApplicationController
-  PAGINATE_PER = 10
-
   def show
     @product = Product.find(params[:id])
   end
 
   def index
-    solr = RSolr.connect url: Rails.configuration.solr_host.to_s
-    response = solr.paginate params[:page].to_i - 1, PAGINATE_PER, "select", params: { q: params[:search], wt: 'ruby' }    
-    @products = response['response']['docs']
-    @products_paging = Kaminari.paginate_array(@products, total_count: response['response']['numFound']).page(params[:page]).per(PAGINATE_PER)
+    search_products = Searcher.find_products_by(search: params[:search], page: params[:page])
+    @products = search_products['docs']
+    @products_paging = Kaminari.paginate_array(search_products['docs'], total_count: search_products['numFound']).page(params[:page]).per(Rails.configuration.paginates_per)
     flash.now[:warning] = 'No results.' unless @products.any?
   end
 end

app/services/searcher.rb

+class Searcher
+  def self.find_products_by(params = {})
+    solr = RSolr.connect url: Rails.configuration.solr_host.to_s
+    response = solr.paginate params[:page], Rails.configuration.paginates_per, "select", params: { q: params[:search], wt: 'ruby' }
+    response['response']
+  end
+end

app/views/application/_form_search.html.erb

+<%= form_tag products_path, method: 'get', class: 'navbar-form navbar-right' do %>
+  <%= text_field_tag :search, params[:search], placeholder: 'Search...', class: 'form-control' %>
+<% end %>

app/views/application/_header.html.erb

@@ -24,10 +24,7 @@
           <% end %>
           <li style='width: 36px'><%= link_to '', cart_path(current_cart), class: 'nav-icon' %></li>
         </ul>
-        <%= form_tag products_path, method: 'get', class: 'navbar-form navbar-right' do %>
-          <%= text_field_tag :search, params[:search], placeholder: 'Search...', class: 'form-control' %>
-        <% end %>
-       
+        <%= render 'form_search' %>
       </div>
     </div>
 </nav>

app/views/layouts/_header.html.erb

-<nav class='navbar navbar-inverse navbar-fixed-top'>
-    <div class='container-fluid'>
-      <div class='navbar-header'>
-        <%= link_to 'VenShop Apps', root_path, class: 'navbar-brand' %>
-      </div>
-      <div id='navbar' class='navbar-collapse collapse'>
-        <ul class='nav navbar-nav navbar-right'>
-          <li><%= link_to 'Home', root_path %></li>
-          <% if user_signed_in? %>
-            <li class="dropdown">
-              <a href="#" class="dropdown-toggle" data-toggle="dropdown">
-                Account <b class="caret"></b>
-              </a>
-              <ul class="dropdown-menu">
-                <li><%= link_to "Order History", '#' %></li>
-                <li><%= link_to "Settings", edit_user_registration_path %></li>
-                <li class="divider"></li>
-                <li><%= link_to "Log out", destroy_user_session_path, method: "delete" %></li>
-              </ul>
-            </li>
-          <% else %>
-            <li><%= link_to 'Log in', new_user_session_path %></li>
-            <li><%= link_to 'Register', new_user_registration_path %></li>
-          <% end %>
-          <li style='width: 36px'><%= link_to '', cart_path(current_cart), class: 'nav-icon' %></li>
-        </ul>
-        <form class='navbar-form navbar-right'>
-          <input type='text' class='form-control' placeholder='Search...'>
-        </form>
-      </div>
-    </div>
-</nav>
\ No newline at end of file

app/views/layouts/application.html.erb

@@ -10,6 +10,7 @@
     <%= render 'header' %>
 
     <div class='container-fluid'>
+
       <div class='row'>
         <div class='col-sm-3 col-md-2 sidebar'>
           <ul class='nav nav-sidebar'>

config/environments/development.rb

@@ -48,4 +48,6 @@ Rails.application.configure do
   config.action_mailer.default_url_options = { host: 'localhost', port: 3000 }
 
   config.solr_host = "http://localhost:8983/solr/collection1" 
+
+  config.paginates_per = 10
 end