fix bugs

app/controllers/application_controller.rb

 class ApplicationController < ActionController::Base
   protect_from_forgery with: :exception
-  helper_method :clear_session
+  helper_method :clear_session_candidate
 
-  def clear_session
+  def clear_session_candidate
     session[:candidate] = {}
   end
 end

app/controllers/applies_controller.rb

@@ -34,7 +34,7 @@ class AppliesController < ApplicationController
     if @application.save
       flash[:notice] = 'Congratulation! Job was successfully applied'
       ApplyJobMailer.successful_email(@application).deliver_later
-      clear_session
+      clear_session_candidate
     end
   end
 

app/controllers/jobs_controller.rb

@@ -7,7 +7,7 @@ class JobsController < ApplicationController
   end
 
   def show
-    clear_session
+    clear_session_candidate
   end
 
   def city

app/mailers/apply_job_mailer.rb

 class ApplyJobMailer < ApplicationMailer
-  default from: 'from@example.com'
+  default from: 'notify@venjob.com'
 
   def successful_email(application)
     @application = application
-    mail(to: @application.email, subject: "Thank you for apply with VeNJOB")
+    mail(to: @application.email, subject: 'Thank you for apply with VeNJOB')
   end
 end

config/routes.rb

@@ -14,9 +14,9 @@ Rails.application.routes.draw do
   end
   resources :applies do
     collection do
-      get 'apply'
-      post 'confirm'
-      post 'done'
+      get :apply
+      post :confirm
+      post :done
     end
   end
 end