adds email verification

app/controllers/verification/email_controller.rb

@@ -0,0 +1,31 @@
+class Verification::EmailController < ApplicationController
+  before_action :authenticate_user!
+  before_action :set_verified_user
+  skip_authorization_check
+
+  def show
+    if Email.find(current_user, params[:email_verification_token])
+      current_user.update(verified_at: Time.now)
+      redirect_to account_path, notice: t('verification.email.show.flash.success')
+    else
+      redirect_to verified_user_path, alert: t('verification.email.show.alert.failure')
+    end
+  end
+
+  def create
+    @email = Email.new(@verified_user)
+    if @email.save
+      current_user.reload
+      Mailer.email_verification(current_user, @email.recipient, @email.encrypted_token).deliver_now
+      redirect_to account_path, notice: t('verification.email.create.flash.success', email: @verified_user.email)
+    else
+      redirect_to verified_user_path, alert: t('verification.email.create.alert.failure')
+    end
+  end
+
+  private
+
+    def set_verified_user
+      @verified_user = VerifiedUser.by_user(current_user).by_email(params[:recipient]).first
+    end
+end

app/mailers/mailer.rb

@@ -14,4 +14,11 @@ class Mailer < ApplicationMailer
     mail(to: @recipient.email, subject: t('mailer.reply.subject'))
   end
 
+  def email_verification(user, recipient, token)
+    @user = user
+    @recipient = recipient
+    @token = token
+    mail(to: @recipient, subject: "Verifica tu email")
+  end
+
 end

app/models/email.rb

@@ -0,0 +1,34 @@
+class Email
+  include ActiveModel::Model
+
+  attr_accessor :verified_user, :recipient, :plain_token, :encrypted_token
+
+  validates :verified_user, presence: true
+  validates :recipient, presence: true
+
+  def initialize(verified_user)
+    @verified_user = verified_user
+    @recipient = @verified_user.try(:email)
+  end
+
+  def save
+    return false unless valid?
+
+    generate_token
+    user = User.where(document_number: verified_user.document_number).first
+    user.update(email_verification_token: @plain_token)
+  end
+
+  def generate_token
+    @plain_token, @encrypted_token = Devise.token_generator.generate(User, :email_verification_token)
+  end
+
+  def self.find(user, token)
+    self.valid_token?(user, token)
+  end
+
+  def self.valid_token?(user, token)
+    Devise.token_generator.digest(User, :email_verification_token, user.email_verification_token) == token
+  end
+
+end

app/views/mailer/email_verification.html.erb

@@ -0,0 +1 @@
+<p><%= link_to "Confirma tu email", email_url(email_verification_token: @token) %></p>

app/views/verification/email/_form.html.erb

@@ -0,0 +1,4 @@
+<%= form_for Email.new(verified_user), url: email_path, method: :post do |f| %>
+  <%= hidden_field_tag :recipient, verified_user.email %>
+  <%= f.submit t('verification.email.form.submit_button') %>
+<% end %>