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Contents
require 'rails/generators/active_record'
module Adminpanel
class CustomErrorsGenerator < ActiveRecord::Generators::Base
desc 'Generate ErrorsController, template and configure the app to show our errors'
source_root File.expand_path('../templates', __FILE__)
argument :name, type: :string, default: 'default', require: false
def copy_errors_controller
copy_file 'errors_controller.rb', 'app/controllers/errors_controller.rb'
end
def copy_errors_template
copy_file 'show.html.erb', 'app/views/errors/show.html.erb'
end
def inject_errors_into_routes
inject_into_file 'config/routes.rb', before: "\nend\n" do
"\n get \"(errors)/:status\", to: \"errors#show\", constraints: { status: /\d{3}/ }"
end
end
def inject_error_handling_app_in_configuration
inject_into_file 'config/application.rb', after: 'class Application < Rails::Application' do
"\n config.exceptions_app = -> (env) { ErrorsController.action(:show).call(env) }"
end
end
def print_messages
puts "The generator tried it's best to insert into config/routes.rb"
puts ' get "(errors)/:status", to: "errors#show", constraints: { status: /\d{3}/ }'
puts 'and into config/application.rb'
puts ' config.exceptions_app = -> (env) { ErrorsController.action(:show).call(env) }'
puts 'Make sure those lines are actually there. You can customize your messages in app/controllers/errors_controller.rb and in app/views/errors/show.html.erb'
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems