Add preferences for follow request notification e-mails

app/controllers/settings/preferences_controller.rb

@@ -9,6 +9,7 @@ class Settings::PreferencesController < ApplicationController
 
   def update
     current_user.settings(:notification_emails).follow         = user_params[:notification_emails][:follow]         == '1'
+    current_user.settings(:notification_emails).follow_request = user_params[:notification_emails][:follow_request] == '1'
     current_user.settings(:notification_emails).reblog         = user_params[:notification_emails][:reblog]         == '1'
     current_user.settings(:notification_emails).favourite      = user_params[:notification_emails][:favourite]      == '1'
     current_user.settings(:notification_emails).mention        = user_params[:notification_emails][:mention]        == '1'
@@ -26,6 +27,6 @@ class Settings::PreferencesController < ApplicationController
   private
 
   def user_params
-    params.require(:user).permit(:locale, notification_emails: [:follow, :reblog, :favourite, :mention], interactions: [:must_be_follower, :must_be_following])
+    params.require(:user).permit(:locale, notification_emails: [:follow, :follow_request, :reblog, :favourite, :mention], interactions: [:must_be_follower, :must_be_following])
   end
 end

app/views/settings/preferences/show.html.haml

@@ -8,6 +8,7 @@
 
   = f.simple_fields_for :notification_emails, current_user.settings(:notification_emails) do |ff|
     = ff.input :follow, as: :boolean, wrapper: :with_label
+    = ff.input :follow_request, as: :boolean, wrapper: :with_label
     = ff.input :reblog, as: :boolean, wrapper: :with_label
     = ff.input :favourite, as: :boolean, wrapper: :with_label
     = ff.input :mention, as: :boolean, wrapper: :with_label

config/locales/simple_form.en.yml

@@ -25,6 +25,7 @@ en:
       notification_emails:
         favourite: Send e-mail when someone favourites your status
         follow: Send e-mail when someone follows you
+        follow_request: Send e-mail when someone requests to follow you
         mention: Send e-mail when someone mentions you
         reblog: Send e-mail when someone reblogs your status
     'no': 'No'