keep cv from apply to confirm

app/controllers/applies_controller.rb

@@ -2,7 +2,10 @@ class AppliesController < ApplicationController
   before_action :load_job, only: %i[new confirm create]
 
   def new
-    build_params = session[:apply_job] if use_apply_job_session?
+    if use_apply_job_session?
+      build_params = session[:apply_job]
+      @blob = ActiveStorage::Blob.find(session[:blob_id])
+    end
     @apply = current_user.apply_jobs.build(build_params)
   end
 
@@ -11,6 +14,12 @@ class AppliesController < ApplicationController
     @apply.job = @job
 
     if @apply.valid?
+      @blob = ActiveStorage::Blob.create_and_upload!(
+        io: apply_params[:cv],
+        filename: apply_params[:cv].original_filename,
+        content_type: apply_params[:cv].content_type
+      )
+      session[:blob_id] = @blob.id
       session[:apply_job] = @apply
     else
       render 'new'
@@ -20,7 +29,7 @@ class AppliesController < ApplicationController
   def create
     @apply = current_user.apply_jobs.build(apply_params)
     @apply.job = @job
-    @apply.cv.attach(params[:apply_job][:cv])
+    @apply.cv = ActiveStorage::Blob.find(session[:blob_id])
 
     if @apply.save
       UserMailer.apply_job(current_user, @job, @apply).deliver_now
@@ -28,6 +37,7 @@ class AppliesController < ApplicationController
     else
       render 'new'
     end
+    session[:blob_id] = nil
     session[:apply_job] = nil
   end
 
@@ -41,7 +51,7 @@ class AppliesController < ApplicationController
   end
 
   def apply_params
-    params.require(:apply_job).permit(:user_name, :email, :cv)
+    params.require(:apply_job).permit(:user_name, :email, :cv, :job_id)
   end
 
   def current_user

app/javascript/packs/validation.js

@@ -96,3 +96,18 @@ Validator.isEmail = function (selector) {
     }
   }
 }
+
+Validator.fileTooLarge = function (selector) {
+  return {
+    selector: selector,
+    test: function (value) {
+      $(selector).on('change', function () {
+        const size = (this.files[0].size / 1024 / 1024).toFixed(2);
+        if (size > 5) {
+          alert('Maximum file size is 5MB. Please choose a smaller file.')
+          $(selector).val('');
+        }
+      })         
+    }
+  }
+}

app/views/applies/_validate_form.html.slim

-javascript:
-  $("#apply_job_cv").bind("change", function() {
-    const size_in_megabytes = this.files[0].size/1024/1024;
-    if (size_in_megabytes > 5) {
-      alert("Maximum file size is 5MB. Please choose a smaller file.");
-      $("#apply_job_cv").val("");
-    }
-  });
\ No newline at end of file

app/views/applies/confirm.html.slim

@@ -7,10 +7,11 @@
   h1.my-5.text-center 
     | Confirmation
   .col
-    = form_with(model: @apply, scope: :apply_job, url: done_path, local: true) do |f|
+    = form_with(model: @apply, scope: :apply_job, url: done_job_path, local: true) do |f|
       
       .row.mb-5
         = f.hidden_field :job_id, value: @job.id
+        = f.hidden_field :blob_id, value: @blob.id
         .col-2
           = f.label :name, 'Full name:', class: 'form-label label'
         .col-10
@@ -30,12 +31,10 @@
         .col-2
           = f.label :cv, 'Cv: ', class: 'form-label label'
         .col-10
-          = f.file_field :cv, accept: ApplyJob::ACCEPT_CONTENT_TYPE
           span.form-control
             = url_for(@apply.cv)        
       
-          = link_to 'Edit', :back, class: 'btn btn-secondary w-25 btn-height mr-5 my-5'
+          = link_to 'Edit', apply_job_path(job_id: @job.id), class: 'btn btn-secondary w-25 btn-height mr-5 my-5'
 
           = f.submit 'Confirm', class: 'btn btn-primary w-25 btn-height mx-5 my-5'
 
-= render 'validate_form'

app/views/applies/new.html.slim

 - provide(:title, 'Apply job')
+
 .container 
   = render 'ribbon'
 .container
@@ -7,7 +8,7 @@
   p.fs-5.fw-bold.mb-4.text-center 
     = @job.title
   .col
-    = form_with(model: @apply, url: confirm_path, local: true, id: 'apply-form') do |f|
+    = form_with(model: @apply, url: confirm_job_path, local: true, id: 'apply-form') do |f|
       = render 'shared/error_messages', object: f.object
       .row.mb-5.form-group
         = f.hidden_field :job_id, value: @job.id
@@ -28,12 +29,11 @@
         .col-2 
           = f.label :cv, class: 'form-label label'
         .col-10
-          = f.file_field :cv, accept: ApplyJob::ACCEPT_CONTENT_TYPE, class: 'form-control'
+          = f.file_field :cv, files: @blob, accept: ApplyJob::ACCEPT_CONTENT_TYPE, class: 'form-control'
           span.form-msg
           br
           = f.submit 'Confirm', class: 'btn btn-primary w-25 my-4 btn-height',data: { disable_with: false }
 
-= render 'validate_form'
 javascript:
   Validator({
     form: '#apply-form',
@@ -42,6 +42,7 @@ javascript:
       Validator.isRequired('#apply_job_user_name'),
       Validator.isRequired('#apply_job_email'),
       Validator.isRequired('#apply_job_cv'),
+      Validator.fileTooLarge('#apply_job_cv'),
       Validator.isEmail('#apply_job_email')
     ]
   })

app/views/jobs/show.html.slim

@@ -22,7 +22,7 @@ ruby:
     .job-apply.d-flex.align-items-center.justify-content-between
       h2.align-items-start
         = @job.title
-      = link_to 'Apply for this job', apply_path(job_id: @job.id), class: 'btn btn-primary'
+      = link_to 'Apply for this job', apply_job_path(job_id: @job.id), class: 'btn btn-primary'
     p.text-secondary
       = @job.company.name
     .row.bg-light
@@ -84,5 +84,5 @@ ruby:
         li.text-secondary
           = info 
     .job-apply.d-flex.align-items-center.justify-content-between      
-      = link_to 'Apply for this job',  apply_path(job_id: @job.id), class: 'btn btn-primary'
+      = link_to 'Apply for this job',  apply_job_path(job_id: @job.id), class: 'btn btn-primary'
       = link_to 'Favorite', '#', class: 'btn btn-primary'

app/views/user_mailer/apply_job.text.slim

@@ -4,7 +4,9 @@
 = "\n"
 ' Thank you for applied with VenJOB. Your applied job's information is as follow:
 = "\n"
-' Job title: #{@job.title}
+' Job title: #{show_location(@job.cities)}
+= "\n"
+' Location: #{@job.title}
 = "\n"
 ' Company: #{@job.company.name}
 = "\n"

config/routes.rb

@@ -7,7 +7,7 @@ Rails.application.routes.draw do
 
   resources :jobs, only: %i[index show]
 
-  get '/apply', to: 'applies#new'
-  post '/confirm', to: 'applies#confirm'
-  post '/done', to: 'applies#create'
+  get '/apply', to: 'applies#new', as: :apply_job
+  post '/confirm', to: 'applies#confirm', as: :confirm_job
+  post '/done', to: 'applies#create', as: :done_job
 end