Refactor hardcoded emails

app/mailers/application_mailer.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
 class ApplicationMailer < ActionMailer::Base
-  default from: '[email protected]'
+  default from: "Growstuff <#{Rails.configuration.x.email[:from]}>"
   layout 'mailer'
 end

app/mailers/notifier_mailer.rb

@@ -2,7 +2,7 @@
 
 class NotifierMailer < ApplicationMailer
   # include NotificationsHelper
-  default from: "Growstuff <#{ENV.fetch('GROWSTUFF_EMAIL', nil)}>"
+  default from: "Growstuff <#{Rails.configuration.x.email[:from]}>"
 
   def verifier
     unless ENV['RAILS_SECRET_TOKEN']

config/application.rb

@@ -62,9 +62,9 @@ class Application < Rails::Application
 
     # Growstuff-specific configuration variables
     config.currency = 'AUD'
-    config.bot_email = ENV.fetch('GROWSTUFF_EMAIL', nil)
+    config.bot_email = Rails.configuration.x.email[:from]
     config.user_agent = 'Growstuff'
-    config.user_agent_email = "[email protected]"
+    config.user_agent_email = Rails.configuration.x.email[:from]
 
     Gibbon::API.api_key = ENV['GROWSTUFF_MAILCHIMP_APIKEY'] || 'notarealkey'
     # API key can't be blank or tests fail

config/initializers/devise.rb

@@ -6,7 +6,7 @@
   # ==> Mailer Configuration
   # Configure the e-mail address which will be shown in Devise::Mailer,
   # note that it will be overwritten if you use your own mailer class with default "from" parameter.
-  config.mailer_sender = "Growstuff <#{ENV.fetch('GROWSTUFF_EMAIL', nil)}>"
+  config.mailer_sender = "Growstuff <#{Rails.configuration.x.email[:from]}>"
 
   config.secret_key = ENV.fetch('RAILS_SECRET_TOKEN', nil)
 

config/initializers/email.rb

@@ -0,0 +1,9 @@
+module Growstuff
+  class Application < Rails::Application
+    config.x.email = {
+      from: ENV.fetch('GROWSTUFF_EMAIL', '[email protected]'),
+      admin: ENV.fetch('GROWSTUFF_ADMIN_EMAIL', '[email protected]'),
+      support: ENV.fetch('GROWSTUFF_SUPPORT_EMAIL', '[email protected]')
+    }
+  end
+end