set cookie job ids when user click job detail

app/assets/config/manifest.js

 //= link_tree ../images
 //= link_directory ../stylesheets .css
+//= link application.js
\ No newline at end of file

app/assets/stylesheets/history.scss

+// Place all the styles related to the history controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: https://sass-lang.com/

app/controllers/history_controller.rb

+class HistoryController < ApplicationController
+  def index
+    if cookies[:job_ids_history].nil?
+      redirect_to '/jobs'
+    else
+      arr_job_ids = cookies[:job_ids_history].split(",")
+    end
+  end
+end

app/controllers/job_controller.rb

@@ -16,6 +16,15 @@ class JobController < ApplicationController
   end
   def show
     @job = Job.find(params[:id])
+    if cookies[:job_ids_history].nil?
+      cookies[:job_ids_history] = {value: @job.id, expires: Time.now + 3600}
+    else
+      arr_job_ids = cookies[:job_ids_history].split(",")
+      unless arr_job_ids.include?(@job.id.to_s)
+        arr_job_ids << @job.id.to_s
+      end
+      cookies[:job_ids_history] = {value: arr_job_ids.join(","), expires: Time.now + 3600}
+    end
     @relate_jobs = Job.where("company_id = #{@job.company_id} and id != #{@job.id}").limit(3).order("id DESC")
   end
 end

app/views/layouts/application.html.erb

@@ -13,6 +13,7 @@
     <%= javascript_include_tag "/assets/js/jquery.js" %>
     <%= javascript_include_tag "/assets/js/jquery-migrate.min.js" %>
     <%= javascript_include_tag "https://maps.googleapis.com/maps/api/js?v=3&#038;libraries=geometry%2Cplaces&#038;language=en&#038;key=AIzaSyDFtSmGkBIXtMX63-bZKn50-6p3vZ2-WHE&#038;ver=5.3.2" %>
+    <%= javascript_include_tag 'application', 'data-turbolinks-track': 'reload' %>
     <%= javascript_pack_tag 'application', 'data-turbolinks-track': 'reload' %>
   
   </head>
@@ -45,6 +46,9 @@
                   <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-99991220">
                     <a href="/industries">Industry</a>
                   </li>
+                  <li class="menu-item menu-item-type-post_type menu-item-object-page menu-item-99991220">
+                    <a href="/history">History</a>
+                  </li>
                   <% if current_user %>
                     <li class="login menu-item menu-item-type-post_type menu-item-object-page menu-item-99991213">
                       <%= link_to 'Sign out', destroy_user_session_path, method: :delete %>

config/routes.rb

@@ -7,4 +7,5 @@ Rails.application.routes.draw do
   get '/job/:id', to: 'job#show'
   get '/cities/', to: 'city#index'
   get '/industries/', to: 'industry#index'
+  get '/history/', to: 'history#index'
 end