autoload_paths

config/application.rb

@@ -9,9 +9,11 @@ Bundler.require(*Rails.groups)
 module Venjob
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.autoload_paths << Rails.root.join('lib')
-    config.eager_load_paths << Rails.root.join('lib')
     config.load_defaults 5.2
+    config.autoload_paths += [
+      Rails.root.join('lib/src'),
+      Rails.root.join('lib/src/base'),
+      Rails.root.join('lib/src/interface')]
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration can go into files in config/initializers
     # -- all .rb files in that directory are automatically loaded after loading

lib/src/crawler.rb

@@ -5,10 +5,14 @@ require 'open-uri'
 # Crawler data
 class Crawler
   COMPANY_SECURITY = 1
-  NUMBER_LINK = 5
-  SIZE_LI = 8
   RANGE = 69
 
+  attr_accessor :number_link
+
+  def initialize(number_link)
+    @number_link = number_link
+  end
+
   def path_to_first_link
     Rails.root.join('tmp', 'link.txt')
   end
@@ -23,12 +27,12 @@ class Crawler
   end
 
   def safe_link(url)
-    Nokogiri::HTML(URI.open(URI.parse(URI.escape(url))))
+    Nokogiri::HTML(URI.open(URI.escape(url)))
   end
 
-  def crawl_link(page)
+  def crawl_link
     website_companies = []
-    page.times do |i|
+    number_link.times do |i|
       page = Nokogiri::HTML(URI.open("https://careerbuilder.vn/viec-lam/tat-ca-viec-lam-trang-#{i + 1}-vi.html"))
       link_companies = page.search('.figcaption .caption @href')
       website_companies += link_companies.map(&:value).uniq
@@ -50,7 +54,7 @@ class Crawler
   end
 
   def craw_data_companies
-    crawl_link(NUMBER_LINK).each do |url|
+    crawl_link.each do |url|
       page = safe_link(url)
       company_name = page.search('.company-info .content .name').text
       Company.find_or_create_by(name: company_name) do |company|

lib/src/crawler_job.rb

 # frozen_string_literal: true
 
-require 'src/crawler.rb'
-require_relative '../src/interface/red_interface.rb'
-require_relative '../src/interface/blue_interface.rb'
-require_relative '../src/interface/green_interface.rb'
-
 # Crawler data job
 class CrawlerJob < Crawler
-  def crawl_link(page)
+  SIZE_LI = 8
+
+  def crawl_link
     website_jobs = []
-    page.times do |i|
+    number_link.times do |i|
       page = Nokogiri::HTML(URI.open("https://careerbuilder.vn/viec-lam/tat-ca-viec-lam-trang-#{i + 1}-vi.html"))
       link_jobs = page.search('.figcaption .title .job_link @href')
-      website_jobs += link_jobs.map(&:value)
-      break if website_jobs.include?(link_make_stop_crawler)
+      link_jobs.each do |val|
+        link = val.value
+        return website_jobs if link.include?(link_make_stop_crawler)
+        website_jobs << link
+      end
     end
-    File.write(path_to_first_link, website_jobs[0])
-    website_jobs.select(&:present?)
+    website_jobs
   rescue StandardError => e
-    logger.error "Crawler link on page have error #{e}"
+    logger.error "Crawler link jobs on page have error #{e}"
+  end
+
+  def parse_data
+    @box_links ||= crawl_link.reverse!
   end
 
-  def reverse_arr
-    arr_link = []
-    crawl_link(NUMBER_LINK).each { |val| arr_link << val }
-    arr_link.reverse!
+  def refresh_first_link
+    File.write(path_to_first_link, parse_data.last)
   end
 
   def craw_data_jobs
-    reverse_arr.each do |path|
+    parse_data.each do |path|
       page = safe_link(path)
       if page.search('.item-blue .detail-box:nth-child(1) ul li:nth-child(1) p')[0].present?
         @data = RedInterface.new(page).create_data
@@ -38,12 +39,12 @@ class CrawlerJob < Crawler
         @data = GreenInterface.new(page).create_data
       end
       add_data(@data)
+      refresh_first_link
     end
   end
 
   def add_data(data)
-    id_company = Company.find_by name: data[:company_name]
-    id_company = id_company.present? ? id_company.id : COMPANY_SECURITY
+    id_company = (Company.find_by name: data[:company_name]).try(:id) || COMPANY_SECURITY
     job = Job.create(name: data[:name],
                          company_id: id_company,
                          level: data[:level],

lib/src/interface/blue_interface.rb

 # frozen_string_literal: true
 
-require_relative '../base/base.rb'
-
 # Inherience from base
 class BlueInterface < Base
   def fill_company_name

lib/src/interface/green_interface.rb

 # frozen_string_literal: true
 
-require_relative '../base/base.rb'
-
 # ahihi
 class GreenInterface < Base
   def fill_name

lib/src/interface/red_interface.rb

 # frozen_string_literal: true
 
-require_relative '../base/base.rb'
-
 # Inherience from base
 class RedInterface < Base
 end

lib/tasks/crawler.rake

 # frozen_string_literal: true
 
 require 'open-uri'
-require 'src/crawler'
-require 'src/crawler_job'
 
 # rake task
 namespace :crawler do
   task populate: :environment do
+    NUMBER_LINK_WILL_BE_CRAWLER = 100
     Company.find_or_create_by(name: 'Bảo mật') do |company|
       company.address = 'Vui lòng xem trong mô tả công việc'
       company.short_description = 'Vui lòng xem trong mô tả công việc'
     end
-    cw = Crawler.new
+    cw = Crawler.new(NUMBER_LINK_WILL_BE_CRAWLER)
     cw.craw_data_cities
     cw.craw_data_companies
-    CrawlerJob.new.craw_data_jobs
+    CrawlerJob.new(NUMBER_LINK_WILL_BE_CRAWLER).craw_data_jobs
   end
 end