crontab

app/controllers/home_controller.rb

@@ -3,7 +3,7 @@ class HomeController < ApplicationController
   def index    
     @industries = Industry.sort_asc.all
     @job_count = Job.all.count       
-    @five_jobs = Job.order(created_at: :asc).where(newdata: 1).limit(5) 
+    @five_jobs = Job.order(created_at: :desc).limit(5) 
     @cities = City.all
     @top_city = City.top_hot.take(11)
     @top_industry = Industry.top_hot.take(11)

config/schedule.rb

+env :PATH, ENV['PATH']
 
-every '53 13 23 7 *' do
+every 3.minutes do
   rake "crawler:populate"
 end

lib/src/interface_web.rb

@@ -232,17 +232,6 @@ class InterfaceWeb
 
   def self.make_data 
     puts 'Please wait for crawl jobs data! . . .'       
-    name = ''
-    company_name = ''
-    level = ''
-    exprience = ''
-    salary = ''
-    created_date = ''
-    expiration_date = ''    
-    description = ''
-    industry_name = ''
-    city_name = '' 
-
     link_crawl = get_link_job_and_companies
     link_crawl[1].each_with_index do |path,i|   
       break if @@stop_crawl == path

lib/tasks/crawler.rake

@@ -3,7 +3,13 @@ require 'src/interface_web'
 
 namespace :crawler do  
   task populate: :environment do  
+    File.write('q.txt', "hello #{Time.now}")
+    InterfaceWeb.craw_data_cities()
     InterfaceWeb.craw_data_companies()
     InterfaceWeb.make_data()
   end
+
+  task do: :environment do
+    File.write('oo.txt', "hello #{Time.now}")
+  end
 end

q.txt

+hello 2020-07-23 16:57:02 +0700
\ No newline at end of file