Implements Verification::Management::Email#save + refactors

app/controllers/management/email_verifications_controller.rb

@@ -7,8 +7,7 @@ class Management::EmailVerificationsController < Management::BaseController
   def create
     @email_verification = Verification::Management::Email.new(email_verification_params)
 
-    if @email_verification.valid?
-      @email_verification.send_email
+    if @email_verification.save
       render :sent
     else
       render :new

app/models/verification/management/email.rb

@@ -5,8 +5,9 @@ class Verification::Management::Email
   attr_accessor :document_number
   attr_accessor :email
 
-  validates :document_type, :document_number, presence: true
-  validate :validate_email
+  validates :document_type, :document_number, :email, presence: true
+  validates :email, format: { with: Devise.email_regexp }, allow_blank: true
+  validate :validate_user
 
   def user
     @user ||= User.where(email: email).first
@@ -16,19 +17,34 @@ class Verification::Management::Email
     user.present?
   end
 
-  def send_email
-    # FIXME
-    # Should assign document_number here?
-    # Should send verification email here?
+  def save
+    return false unless valid?
+
+    plain_token, encrypted_token = Devise.token_generator.generate(User, :email_verification_token)
+    user.update(email_verification_token: plain_token)
+    Mailer.email_verification(user, email, encrypted_token).deliver_later
+    true
   end
 
-  def validate_email
-    if email.blank?
-      errors.add(:email, I18n.t('errors.messages.blank'))
-    elsif email !~ Devise.email_regexp
-      errors.add(:email, I18n.t('errors.messages.invalid'))
-    elsif !user?
+  def already_verified?
+    user? && user.level_three_verified?
+  end
+
+  def document_number_mismatch?
+    user? && user.document_number.present? &&
+      (user.document_number != document_number || user.document_type != document_type)
+  end
+
+  def validate_user
+    return if errors.count > 0
     errors.add(:email, I18n.t('errors.messages.user_not_found')) unless user?
+    if already_verified?
+      errors.add(:email, I18n.t('management.users.already_verified'))
+    elsif document_number_mismatch?
+      errors.add(:email,
+                 I18n.t('management.users.document_mismatch',
+                         document_type: ApplicationController.helpers.humanize_document_type(user.document_type),
+                         document_number: user.document_number))
     end
   end
 end