Add service for crawler

app/services/city_service.rb

+class CityService
+  def import cities
+    City.import cities
+  end
+
+  def check_exist_or_create_city city_title
+    cities = City.where("title LIKE ?", city_title)
+    if cities.length == 0
+      city = City.create(title: city_title)
+    else
+      city = cities[0]
+    end
+    return city
+  end
+end
\ No newline at end of file

app/services/company_service.rb

+class CompanyService
+  def check_exist_or_create_company company_attributes
+    find_company = Company.find_or_create_by(company_attributes)
+    return find_company.id
+  end
+end
\ No newline at end of file

app/services/industry_service.rb

+class IndustryService
+  def import industries
+    Industry.import industries
+  end
+  
+  def check_exist_or_create_industry industry_title
+    industries = Industry.where("title LIKE ?", industry_title)
+    if industries.length == 0
+      industry = Industry.create(title: industry_title)
+    else
+      industry = industries[0]
+    end
+    return industry
+  end
+end
\ No newline at end of file

app/services/job_service.rb

+class JobService
+  def check_exist_or_create_job job_attributes
+    job = Job.find_or_create_by(job_attributes)
+    return job
+  end
+end
\ No newline at end of file

lib/tasks/crawler.rake

@@ -83,16 +83,16 @@ namespace :crawler do
                 description: html_company_detail.at_css(".jobsby-company .company-introduction .company-info .info .content ul").inner_html.squish
               }
               # Check exist or create company
-              job_attributes[:company_id] = check_exist_or_create_company(company_attributes)
+              job_attributes[:company_id] = CompanyService.new.check_exist_or_create_company company_attributes
             end
           end
           
           # Create job
-          job = check_exist_or_create_job(job_attributes)
+          job = JobService.new.check_exist_or_create_job job_attributes
           # Defind cities array
           cities = []
           item.css(".figure .figcaption .caption .location ul li").each do |city|
-            city = check_exist_or_create_city(city.text.squish)
+            city = city_service.check_exist_or_create_city city.text.squish
             cities << city
           end
           # Create city_job
@@ -103,7 +103,7 @@ namespace :crawler do
           end
           # Create industry_job
           html_job_detail.css(".search-result-list-detail .tabs #tab-1 .job-detail-content .detail-box .industry p a").each do |ele|
-            industry = check_exist_or_create_industry(ele.text.gsub(",","").squish)
+            industry = industry_service.check_exist_or_create_industry ele.text.gsub(",","").squish
             industries << industry
           end
 
@@ -142,7 +142,7 @@ namespace :crawler do
     end
     cities = cities_in_country + cities_foreign
     if cities.length > 0
-      City.import cities
+      city_service.import cities
     end
   end
 
@@ -156,37 +156,15 @@ namespace :crawler do
       }
     end
     if industries.length > 0
-      Industry.import industries
+      industry_service.import industries
     end
   end
 
-  def check_exist_or_create_company(company_attributes)
-    find_company = Company.find_or_create_by(company_attributes)
-    return find_company.id
+  def city_service
+    @city_service ||= CityService.new
   end
 
-  def check_exist_or_create_industry(industry_title)
-    industries = Industry.where("title LIKE ?", industry_title)
-    if industries.length == 0
-      industry = Industry.create(title: industry_title)
-    else
-      industry = industries[0]
-    end
-    return industry
-  end
-
-  def check_exist_or_create_city(city_title)
-    cities = City.where("title LIKE ?", city_title)
-    if cities.length == 0
-      city = City.create(title: city_title)
-    else
-      city = cities[0]
-    end
-    return city
-  end
-
-  def check_exist_or_create_job(job_attributes)
-    job = Job.find_or_create_by(job_attributes)
-    return job
+  def industry_service
+    @industry_service ||= IndustryService.new
   end
 end