Implement an acceptance mailer with localized views

app/mailers/event_mailer.rb

@@ -4,4 +4,10 @@ class EventMailer < ActionMailer::Base
     @event = event
     mail(to: 'core@openfest.org', subject: "Ново предложение за #{@event.class.model_name.human.mb_chars.downcase.to_s}: #{@event.title}")
   end
+
+  def acceptance_notification(event)
+    @event = event
+    I18n.locale = @event.language
+    mail to: @event.user.email, from: 'cfp@openfest.org', subject: I18n.t('event_mailer.acceptance_notification.subject', conference: @event.conference.title)
+  end
 end

app/models/event.rb

@@ -19,6 +19,11 @@ class Event < ActiveRecord::Base
   STATE_TO_GLYPH = {undecided: 'question-sign', rejected: 'remove', approved: 'ok', backup: 'retweet'}
   STATE_TO_CLASS = {undecided: 'warning', rejected: 'danger', approved: 'success', backup: 'info'}
 
+  def send_acceptance_notification!
+    EventMailer.acceptance_notification(self).deliver
+    touch :acceptance_notification_sent_at
+  end
+
   private
 
   def send_new_event_notification

app/views/event_mailer/acceptance_notification.bg.text.erb

@@ -0,0 +1 @@
+Предложението ви е одобрено

app/views/event_mailer/acceptance_notification.en.text.erb

@@ -0,0 +1 @@
+Your submission was approved

config/locales/bg.yml

@@ -20,6 +20,9 @@
 # available at http://guides.rubyonrails.org/i18n.html.
 
 bg:
+  event_mailer:
+    acceptance_notification:
+      subject: 'Предложението ви за %{conference} е одобрено'
   activerecord:
     models:
       user:

config/locales/en.yml

@@ -20,6 +20,9 @@
 # available at http://guides.rubyonrails.org/i18n.html.
 
 en:
+  event_mailer:
+    acceptance_notification:
+      subject: 'Your submission for %{conference} has been approved'
   activerecord:
     models:
       user:

db/migrate/20141012110528_add_acceptance_email_fields_to_events.rb

@@ -0,0 +1,6 @@
+class AddAcceptanceEmailFieldsToEvents < ActiveRecord::Migration
+  def change
+    add_column :events, :acceptance_notification_sent_at, :timestamp
+    add_column :events, :confirmed_at, :timestamp
+  end
+end