fix toppage

app/controllers/home_controller.rb

@@ -6,8 +6,8 @@ class HomeController < ApplicationController
     @industries = Industry.order(name: :asc).all
     @job_count = Job.all.count
     @cities = City.all
-    @five_jobs = Job.order(created_at: :desc).limit(5)
-    @top_city = City.top_hot.take(9)
-    @top_industry = Industry.top_hot.take(9)
+    @lasted_jobs = Job.order(created_at: :desc).limit(Job::NUMBER_LASTED_JOB)
+    @top_cities = City.top_hot.take(9)
+    @top_industries = Industry.top_hot.take(9)
   end
 end

app/models/job.rb

@@ -2,6 +2,7 @@
 
 # Description/Explanation of Person class
 class Job < ApplicationRecord
+  NUMBER_LASTED_JOB = 5
   belongs_to :company
 
   has_many :industry_jobs

app/views/home/_box_five_job.html.erb

@@ -3,7 +3,7 @@
 <div class="container">
   <div class="row">
     <div class="col-sm-12">      
-      <% @five_jobs.each do |val| %>      
+      <% @lasted_jobs.each do |val| %>      
           <div class="box_jobs">                      
             <div class="col-sm-12 d-block d-sm-none">   
               <% if cru == 1 %>

app/views/home/_box_nine_city.html.erb

@@ -4,7 +4,7 @@
       <span>Top thành phố</span>
     </div>
     <div class="row no-gutters">
-      <% @top_city.each do |k,v| %>     
+      <% @top_cities.each do |k,v| %>     
         <div class="col-lg-4 col-md-4 col-sm-6 col-xs-12">
           <div class="box_info_city">
             <div class="ct_name">

app/views/home/_box_nine_industries.html.erb

@@ -4,7 +4,7 @@
       <span>Top các nghành phổ biến</span>
     </div>
     <div class="row no-gutters">
-      <% @top_industry.each do |name, jobs_count| %>     
+      <% @top_industries.each do |name, jobs_count| %>     
         <div class="col-lg-4 col-md-4 col-sm-6 col-xs-12">
           <div class="box_info_city">
             <div class="ct_name">