create form: apply, confirm, done; add validates gem; install and add mailler

Gemfile

@@ -62,4 +62,5 @@ gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
 gem 'slim-rails', '~> 3.2'
 gem 'kaminari', :git => 'https://github.com/kaminari/kaminari'
 gem 'nokogiri', '~> 1.11', '>= 1.11.7'
-gem 'httparty', '~> 0.18.1'
\ No newline at end of file
+gem 'httparty', '~> 0.18.1'
+gem 'active_storage_validations', '~> 0.9.5'
\ No newline at end of file

Gemfile.lock

@@ -56,6 +56,8 @@ GEM
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    active_storage_validations (0.9.5)
+      rails (>= 5.2.0)
     activejob (6.1.4)
       activesupport (= 6.1.4)
       globalid (>= 0.3.6)
@@ -265,6 +267,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  active_storage_validations (~> 0.9.5)
   bootsnap (>= 1.4.4)
   bullet (~> 6.1, >= 6.1.4)
   byebug

app/controllers/applies_controller.rb

@@ -4,13 +4,14 @@ class AppliesController < ApplicationController
   end
 
   def create
-    binding.pry
+    @user = User.find_by(id: 1)
     @apply = @job.apply_jobs.build(apply_params)
-    @apply.user_id = 1
-    # @apply.cv.attach(params[:apply_job][:cv])
+    @apply.user_id = @user.id
+    @apply.cv.attach(params[:apply_job][:cv])
 
     if @apply.save
-      #afasf
+      UserMailer.apply_job(@user, @job, @apply).deliver_now
+      flash.now[:info] = 'Job application information has been sent to your email'
     else
       render 'new'
     end

app/mailers/user_mailer.rb

+class UserMailer < ApplicationMailer
+
+  # Subject can be set in your I18n file at config/locales/en.yml
+  # with the following lookup:
+  #
+  #   en.user_mailer.apply_job.subject
+  #
+  def apply_job(user, job, apply)
+    @user = user
+    @job = job
+    @apply = apply
+    mail to: user.email, subject: 'aplly job'
+  end
+end

app/models/apply_job.rb

@@ -5,11 +5,12 @@ class ApplyJob < ApplicationRecord
   belongs_to :user
   has_one_attached :cv
 
-  validates :user_name, presence: true, length: { maximum:50 }
-  validates :email, presence: true, length: { maximum:255 },
-                    format: {with: VALID_EMAIL_REGEX},
-                    uniqueness: true
-# validates :image, content_type
-#                   size:         { less_than: 5.megabytes,
-#                                   message: "should be less than 5MB" }
+  validates :user_name, presence: true, length: { maximum: 50 }
+  validates :email,     presence: true, length: { maximum: 255 },
+                        format: { with: VALID_EMAIL_REGEX }
+  validates :cv,        presence: true,
+                        content_type:  {  in: %w[application/pdf application/msword application/zip application/xls application/xlsx],
+                                          message: 'must be a valid cv format' },
+                        size:          {  less_than: 5.megabytes,
+                                          message: 'should be less than 5MB' }
 end

app/views/applies/confirm.html.slim

@@ -4,7 +4,8 @@
     | Confirm 
     = @job.title
   .col
-    = form_with(scope: :apply_job, url: done_path(job_id: @job), local: true) do |f|
+    = form_with(model: @apply, scope: :apply_job, url: done_path(job_id: @job), local: true) do |f|
+      
       .mb-3
         = f.label :name, 'Full name:', class: 'form-label'
         span.mx-2

app/views/applies/create.html.slim

+.container.text-center
+  h3.my-4
+    | You have successfully applied for the #{@job.title}
+  p Good luck! Thank you for using our service
+  = link_to 'Keep looking for another job', root_path

app/views/applies/new.html.slim

@@ -4,7 +4,8 @@
     | Apply for 
     = @job.title
   .col
-    = form_with(model: @apply, url: confirm_path(job_id: @job), local: true) do |f|
+    = form_with(model: @apply, scope: :apply_job, url: confirm_path(job_id: @job), local: true) do |f|
+      = render 'shared/error_messages', object: f.object
       .mb-3
         = f.label :user_name, 'Full name', class: 'form-label'
         = f.text_field :user_name, class: 'form-control'

app/views/layouts/application.html.slim

@@ -11,6 +11,8 @@ html
     = render 'layouts/shim'
   body
     = render 'layouts/header'
-    .container-fluid
+    .container-fluid style ="min-height:80vh;" 
+      - flash.each do |message_type, message|
+        div class=("text-center alert alert-#{message_type}") = message
       = yield
-      = render 'layouts/footer'
\ No newline at end of file
+    = render 'layouts/footer'
\ No newline at end of file

app/views/layouts/mailer.text.slim

+= yield

app/views/shared/_error_messages.html.slim

+- if object.errors.any?
+  #error_explanation.bg_danger
+    .alert.alert-danger
+      |  The form contains 
+      = pluralize(object.errors.count, "error")
+    ul.mb-3
+      - object.errors.full_messages.each do |msg|
+        li.text-danger
+          = msg
\ No newline at end of file

app/views/user_mailer/apply_job.html.slim

+h1 VenJob
+p
+  | Dear #{@user.name},
+p Thank you for applied with VenJOB. Your applied job's information is as follow:
+p
+  | Job title: #{@job.title}
+p
+  | Location:
+  - @job.cities.each do |city|
+    span= city.name
+p
+  | Company: #{@job.company.name}
+br/
+p Your submitted information:
+p
+  | Full name: #{@apply.user_name}
+p
+  | Email: #{@apply.email}
+p CV:
+p Best,

app/views/user_mailer/apply_job.text.slim

+' VenJob
+= "\r\n" * 2
+' Dear #{@user.name},
+= "\n"
+' Thank you for applied with VenJOB. Your applied job's information is as follow:
+= "\n"
+' Job title: #{@job.title}
+= "\n"
+' Company: #{@job.company.name}
+= "\n"
+' Your submitted information:
+= "\n"
+' Full name: #{@apply.user_name}
+= "\n"
+' Email: #{@apply.email}
+= "\n"
+' CV: #{@apply.cv}
+= "\n"
+' Best,

config/environments/development.rb

@@ -81,6 +81,13 @@ Rails.application.configure do
   #   Bullet.raise = true # raise an error if n+1 query occurs
   #   Bullet.unused_eager_loading_enable = false
   # end
+
+  config.action_mailer.raise_delivery_errors = false
+  host = 'localhost:3000' # Local
+  # config.action_mailer.default_url_options = { host: host, protocol: 'https' }
+  # Use this if developing on localhost.
+  config.action_mailer.default_url_options = { host: host, protocol: 'http' }
+
   config.after_initialize do
     Bullet.enable = true
     Bullet.alert = true

test/mailers/previews/user_mailer_preview.rb

+# Preview all emails at http://localhost:3000/rails/mailers/user_mailer
+class UserMailerPreview < ActionMailer::Preview
+
+  # Preview this email at http://localhost:3000/rails/mailers/user_mailer/apply_job
+  def apply_job
+    UserMailer.apply_job
+  end
+
+end

test/mailers/user_mailer_test.rb

+require "test_helper"
+
+class UserMailerTest < ActionMailer::TestCase
+  test "apply_job" do
+    mail = UserMailer.apply_job
+    assert_equal "Apply job", mail.subject
+    assert_equal ["to@example.org"], mail.to
+    assert_equal ["from@example.com"], mail.from
+    assert_match "Hi", mail.body.encoded
+  end
+
+end