Do not load unused Rails frameworks (#261)

Since we're not using ActionCable, ActionText, ActionMailer or
ActionMailbox, we can simplify the app by not loading them and removing
related configuration and files.

Author: floehopper

app/channels/application_cable/channel.rb

@@ -9,11 +9,11 @@
 require 'active_record/railtie'
 require 'active_storage/engine'
 require 'action_controller/railtie'
-require 'action_mailer/railtie'
-require 'action_mailbox/engine'
-require 'action_text/engine'
+# require 'action_mailer/railtie'
+# require 'action_mailbox/engine'
+# require 'action_text/engine'
 require 'action_view/railtie'
-require 'action_cable/engine'
+# require 'action_cable/engine'
 # require "rails/test_unit/railtie"
 require_relative '../lib/corp_middleware'
 

app/channels/application_cable/connection.rb

@@ -39,11 +39,6 @@
   config.active_storage.service = :local
   Rails.application.routes.default_url_options = { host: ENV.fetch('HOST_URL', 'http://localhost:3000') }
 
-  # Don't care if the mailer can't send.
-  config.action_mailer.raise_delivery_errors = false
-
-  config.action_mailer.perform_caching = false
-
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
 
@@ -65,9 +60,6 @@
   # Annotate rendered view with file names.
   # config.action_view.annotate_rendered_view_with_filenames = true
 
-  # Uncomment if you wish to allow Action Cable access from any origin.
-  # config.action_cable.disable_request_forgery_protection = true
-
   # Allow smee requests
   config.hosts << 'smee.io'
   config.hosts << 'editor-api.rpfdev.com'

app/mailers/application_mailer.rb

@@ -36,11 +36,6 @@
                     "https://#{ENV.fetch('HEROKU_APP_NAME', '')}.herokuapp.com")
   }
 
-  # Mount Action Cable outside main process or domain.
-  # config.action_cable.mount_path = nil
-  # config.action_cable.url = "wss://example.com/cable"
-  # config.action_cable.allowed_request_origins = [ "http://example.com", /http:\/\/example.*/ ]
-
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true
 
@@ -58,12 +53,6 @@
   # config.active_job.queue_adapter     = :resque
   # config.active_job.queue_name_prefix = "app_production"
 
-  config.action_mailer.perform_caching = false
-
-  # Ignore bad email addresses and do not raise email delivery errors.
-  # Set this to true and configure the email server for immediate delivery to raise delivery errors.
-  # config.action_mailer.raise_delivery_errors = false
-
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).
   config.i18n.fallbacks = true

app/views/layouts/mailer.html.erb

@@ -39,13 +39,6 @@
   config.active_storage.service = :test
   Rails.application.routes.default_url_options = { host: ENV.fetch('HOST_URL', 'http://localhost:3000') }
 
-  config.action_mailer.perform_caching = false
-
-  # Tell Action Mailer not to deliver emails to the real world.
-  # The :test delivery method accumulates sent emails in the
-  # ActionMailer::Base.deliveries array.
-  config.action_mailer.delivery_method = :test
-
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr