optimized the email services

app/controllers/profiles/emails_controller.rb

 class Profiles::EmailsController < Profiles::ApplicationController
+
+  before_action :find_email, only: [:destroy, :resend_confirmation_instructions]
+
   def index
     @primary = current_user.email
     @emails = current_user.emails.order_id_desc
@@ -14,9 +17,7 @@ class Profiles::EmailsController < Profiles::ApplicationController
   end
 
   def destroy
-    @email = current_user.emails.find(params[:id])
-
-    Emails::DestroyService.new(current_user, email: @email.email).execute
+    Emails::DestroyService.new(current_user).execute(@email)
 
     respond_to do |format|
       format.html { redirect_to profile_emails_url, status: 302 }
@@ -25,8 +26,7 @@ class Profiles::EmailsController < Profiles::ApplicationController
   end
 
   def resend_confirmation_instructions
-    @email = current_user.emails.find(params[:id])
-    if @email && Emails::ConfirmService.new(current_user, email: @email.email).execute
+    if Emails::ConfirmService.new(current_user).execute(@email)
       flash[:notice] = "Confirmation email sent to #{@email.email}"
     else
       flash[:alert] = "There was a problem sending the confirmation email"
@@ -39,4 +39,8 @@ class Profiles::EmailsController < Profiles::ApplicationController
   def email_params
     params.require(:email).permit(:email)
   end
+  
+  def find_email
+    @email = current_user.emails.find(params[:id])
+  end
 end

app/services/emails/base_service.rb

 module Emails
   class BaseService
-    def initialize(user, opts)
+    def initialize(user, opts = {})
       @user = user
       @email = opts[:email]
     end

app/services/emails/confirm_service.rb

 module Emails
   class ConfirmService < ::Emails::BaseService
-    def execute
-      Email.find_by_email!(@email).resend_confirmation_instructions
+    def execute(email_record)
+      email_record.resend_confirmation_instructions
     end
   end
 end

app/services/emails/destroy_service.rb

 module Emails
   class DestroyService < ::Emails::BaseService
-    def execute
-      Email.find_by_email!(@email).destroy && update_secondary_emails!
+    def execute(email_record)
+      email_record.destroy && update_secondary_emails!
     end
 
     private

spec/services/emails/confirm_service_spec.rb

@@ -2,14 +2,13 @@ require 'spec_helper'
 
 describe Emails::ConfirmService do
   let(:user) { create(:user) }
-  let(:opts) { { email: 'new@email.com' } }
 
-  subject(:service) { described_class.new(user, opts) }
+  subject(:service) { described_class.new(user) }
 
   describe '#execute' do
     it 'sends a confirmation email again' do
-      user.emails.create(email: opts[:email])
-      mail  = service.execute
+      email = user.emails.create(email: 'new@email.com')
+      mail  = service.execute(email)
       expect(mail.subject).to eq('Confirmation instructions')
     end
   end

spec/services/emails/destroy_service_spec.rb

@@ -4,11 +4,11 @@ describe Emails::DestroyService do
   let!(:user) { create(:user) }
   let!(:email) { create(:email, user: user) }
 
-  subject(:service) { described_class.new(user, email: email.email) }
+  subject(:service) { described_class.new(user) }
 
   describe '#execute' do
     it 'removes an email' do
-      expect { service.execute }.to change { user.emails.count }.by(-1)
+      expect { service.execute(email) }.to change { user.emails.count }.by(-1)
     end
   end
 end