store-file-cv

app/controllers/apply_jobs_controller.rb

 class ApplyJobsController < ApplicationController
+
   def new
     job =  Job.find_by(id: params[:job_id])
     return root_path unless job
 
-    @apply_job = if session[:apply_job].present?
-                   ApplyJob.new(session[:apply_job])
-                 else
-                   ApplyJob.new
-                 end
-    @apply_job.job_id = job.id
+    if session[:apply_job].present?
+      @apply_job = ApplyJob.new(session[:apply_job])
+      @blob = ActiveStorage::Blob.find(session[:id])
+      @apply_job.assign_attributes(cv: @blob)
+    else
+      @apply_job = ApplyJob.new
+    end
+    @apply_job.job = job
   end
 
   def confirm
     @apply_job = ApplyJob.new(apply_params)
     @apply_job.user_id = User.find_by(id: 1).id
     if @apply_job.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[:id] = @blob.id
       session[:apply_job] = @apply_job
-      render :confirm
     else
       render :new
     end
@@ -26,7 +34,8 @@ class ApplyJobsController < ApplicationController
     @apply_job = ApplyJob.new(apply_params)
     @apply_job.user_id = User.find_by(id: 1).id
     @job = Job.latest_jobs.find(apply_params[:job_id])
-    if @apply_job.save
+    @apply_job.cv = ActiveStorage::Blob.find(session[:id])
+    if @apply_job.save!
       ApplyJobMailer.with(apply_job: @apply_job, job: @job).create_apply.deliver_now
       flash.now[:success] = 'You have applied successfully'
     else
@@ -34,11 +43,12 @@ class ApplyJobsController < ApplicationController
       redirect_to root_url
     end
     session[:apply_job] = nil
+    session[:id] = nil
   end
 
   private
 
   def apply_params
-    params.require(:apply_job).permit(:name, :email, :cv, :job_id)
+    params.require(:apply_job).permit(:name, :email, :cv, :job_id, :id)
   end
-end
+end
\ No newline at end of file

app/views/apply_jobs/confirm.html.slim

@@ -15,9 +15,10 @@ h2.text-center
                            placeholder: "Type email...", class: 'form-control'
     = f.hidden_field :email
     p.my-1
-      = f.label :cv, "CV"
-    p
-      = f.file_field :cv, required: true, accept: "application/pdf", size: { less_than: 5.megabytes, message:"should be less than 5MB" }
+      = f.label :cv, "Your CV" 
+      br
+      = f.hidden_field :id, value: @blob.id
+      = @apply_job.cv.filename
     .span.p-3.text-center
       = link_to "Back", apply_path(job_id: @apply_job.job_id), class: "btn btn-primary btn-space"
       = f.submit "Done", class: "btn btn-primary btn-space"
\ No newline at end of file

app/views/apply_jobs/new.html.slim

@@ -12,7 +12,9 @@ h2.text-center.form-title
     = f.text_field :email, required: true, length: { maximum: 255 }, format: { with: ApplyJob::VALID_EMAIL_REGEX}, placeholder: "Type email...", class: 'form-control'
     p.my-1
       = f.label :cv, "CV"
-    p
+      br
+      = @apply_job.cv.filename
+      br
       = f.file_field :cv, required: true, accept: "application/pdf", size: { less_than: 5.megabytes, message:"should be less than 5MB" }
     .span.p-3.text-center
       = f.submit "Confirm", class: "btn btn-primary"
\ No newline at end of file