Merge tasks

db/migrate/20191127073956_create_companies.rb

 class CreateCompanies < ActiveRecord::Migration[6.0]
   def change
     create_table :companies do |t|
-      t.string :email, null: false, default: ""
+      t.string :email
       t.text :description
       t.string :address
       t.string :url

db/migrate/20191210034127_change_integer_limit_job.rb

-class ChangeIntegerLimitJob < ActiveRecord::Migration[6.0]
-  def change
-    change_column :jobs, :company_id, :integer, limit: 8
-  end
-end

db/schema.rb

@@ -27,7 +27,7 @@ ActiveRecord::Schema.define(version: 2019_12_10_035904) do
   end
 
   create_table "companies", options: "ENGINE=InnoDB DEFAULT CHARSET=utf8", force: :cascade do |t|
-    t.string "email", default: "", null: false
+    t.string "email"
     t.text "description"
     t.string "address"
     t.string "url"
@@ -56,7 +56,7 @@ ActiveRecord::Schema.define(version: 2019_12_10_035904) do
     t.string "title"
     t.text "description"
     t.text "short_description"
-    t.bigint "company_id"
+    t.integer "company_id"
     t.decimal "salary", precision: 10
     t.integer "currency"
     t.text "requirement"

lib/tasks/import_job_csv.rake

@@ -2,25 +2,25 @@ require "csv"
 
 namespace :import_job_csv do
   desc "Import CSV file into database"
-  task create_job: :environment do
-    file = "db/Venjob.csv"
-    CSV.foreach(file, headers: true) do |row|
-      job_hash = row.to_hash
-      job = Job.where(id: job_hash["id"])
-      if job.count == 1
-        job.first.update_attributes(job_hash)
-      else
-        Job.create!({
-                      company_id: row[4],
-                      company_name: row[5],
-                      location: row[16],
-                      title: row[9],
-                      description: row[7],
-                      position: row[8],
-                      salary: row[11],
-                      requirement: row[10]
-        })
-      end
+  task import_job: :environment do
+    CSV.foreach("db/Venjob.csv", headers: true) do |row|
+      company_params = {
+                        email: row["contact email"],
+                        name: row["company name"],
+                        address: row["company address"],
+                        code: row["company id"]
+                        }
+      Company.create!(company_params)
+      job_params = {
+                    company_id: Company.find_by(code: row["company id"]).id,
+                    location: row["workplace"],
+                    title: row["name"],
+                    description: row["description"],
+                    position: row["level"],
+                    salary: row["salary"],
+                    requirement: row["requirement"]
+                    }
+      Job.create!(job_params)
     end
   end
 end