create record in city_jobs

app/models/city.rb

@@ -14,7 +14,9 @@
 #
 
 class City < ApplicationRecord
+  has_many :city_jobs
+  has_many :jobs, through: :city_jobs
+
   scope :vn_cities, -> {where region: "Việt Nam"}
   scope :inter_cities, -> {where region: "#"}
-  has_many :city_jobs
 end

app/models/job.rb

@@ -31,4 +31,6 @@
 class Job < ApplicationRecord
   belongs_to :company
 
+  has_many :city_jobs
   has_many :cities, through: :city_jobs
+end

app/services/jobs_import.rb

@@ -5,12 +5,20 @@ class JobsImport
     jobs = []
     job_columns = [:title, :level, :salary, :description, :short_des,
                    :requirement, :category, :company_id]
-
+    city_jobs = []
     CSV.foreach(Rails.root.join("lib", "jobss.csv"), headers: true) do |row|
-      jobs << JobCsv.new(row).csv_attributes
+      job_csv = JobCsv.new(row)
+      jobs << job_csv.csv_attributes
+      city_jobs << [row["company province"], job_csv.title, job_csv.company_id]
     end
 
     Job.import job_columns, jobs
     puts "Jobs imported"
+
+    city_jobs.each do |city_name, job_title, company_id|
+      job = Job.find_by(title: job_title, company_id: company_id)
+      city = City.find_by(name: city_name)
+      job.city_jobs.create(city_id: city.id)
+    end
   end
 end

app/views/cities/_city.html.erb

 <div class="col-md-3">
   <div class="col-show">
     <%= city.name %>
+    <%= (city.jobs.count) %>
   </div>
 </div>