Create search controller + reuslts page

Author: wioux

app/assets/stylesheets/application/search.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Search controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/search_controller.rb

@@ -0,0 +1,5 @@
+class SearchController < ApplicationController
+  def results
+    @results = PgSearch.multisearch(params[:q]).page(params[:page])
+  end
+end

app/helpers/search_helper.rb

@@ -0,0 +1,7 @@
+module SearchHelper
+  def cache_key_for_search(results)
+    [PgSearch::Document.all.cache_key,
+     results.current_page,
+     params[:q]]
+  end
+end

app/models/topic.rb

@@ -29,6 +29,10 @@ def nillify_empty_slug
     self.slug = nil if slug.blank?
   end
 
+  def body
+    lessons.first.try(:body)
+  end
+
   private
 
   def lesson_bodies

app/views/layouts/application.html.erb

@@ -15,10 +15,10 @@
 
   <div class="top-bar">
     <span class="eff-branding">(logo) A Project of the Electronic Frontier Foundation</span>
-    <span class="search">
-      Search&nbsp;
-      <input type="text">
-    </span>
+    <%= form_tag("/search") do %>
+      <%= search_field_tag :q %>
+      <%= submit_tag "Search" %>
+    <% end %>
   </div>
   <header>
     <span class="logo">Logo + Title</span>

app/views/search/results.html.erb

@@ -0,0 +1,14 @@
+<h2>Search Results</h2>
+
+<% cache(cache_key_for_search(@results)) do %>
+  <% @results.each do |result| %>
+    <div class="card">
+      <h3><%= link_to result.searchable.name, result.searchable %></h3>
+      <div class="content">
+        <%= preview(result.searchable.body) %>
+      </div>
+    </div>
+  <% end %>
+<% end %>
+
+<%= paginate @results %>

config/routes.rb

@@ -13,6 +13,8 @@
     resources :lessons, path: "", only: [:show]
   end
 
+  get "/search", as: :search, to: "search#results"
+
   devise_for :admin_users, ActiveAdmin::Devise.config
   ActiveAdmin.routes(self)
 end

spec/controllers/search_controller_spec.rb

@@ -0,0 +1,18 @@
+require 'rails_helper'
+
+RSpec.describe SearchController, type: :controller do
+
+  describe "GET #results" do
+    before do
+      FactoryGirl.create(:blog_post,
+                         name: "a searchable name",
+                         body: "some searchable content")
+    end
+
+    it "returns http success" do
+      get :results, params: { q: "searchable" }
+      expect(response).to have_http_status(:success)
+    end
+  end
+
+end