Implements default mail templates

close #16

app/models/email_settings.rb

@@ -49,6 +49,8 @@ class EmailSettings < ActiveRecord::Base
     parse_template(template, values)
   end
 
+  private
+
   def parse_template(text, values)
     values.each do |key, value|
       text = text.gsub "{#{key}}", value unless text.blank?

app/models/event.rb

@@ -123,9 +123,7 @@ class Event < ActiveRecord::Base
   end
 
   def process_confirmation
-    if conference.email_settings.send_on_confirmed_without_registration? &&
-        conference.email_settings.confirmed_email_template &&
-        conference.email_settings.confirmed_without_registration_subject
+    if conference.email_settings.send_on_confirmed_without_registration?
       if conference.registrations.where(user_id: submitter.id).first.nil?
         Mailbot.confirm_reminder_mail(self).deliver
       end
@@ -134,8 +132,6 @@ class Event < ActiveRecord::Base
 
   def process_acceptance(options)
     if conference.email_settings.send_on_accepted &&
-        conference.email_settings.accepted_email_template &&
-        conference.email_settings.accepted_subject &&
         options[:send_mail].blank?
       Rails.logger.debug 'Sending event acceptance mail'
       Mailbot.acceptance_mail(self).deliver
@@ -144,8 +140,6 @@ class Event < ActiveRecord::Base
 
   def process_rejection(options)
     if conference.email_settings.send_on_rejected &&
-        conference.email_settings.rejected_email_template &&
-        conference.email_settings.rejected_subject &&
         options[:send_mail].blank?
       Rails.logger.debug 'Sending rejected mail'
       Mailbot.rejection_mail(self).deliver