ExceptionDatabaseSaver middleware for Rails

application.rb

require_dependency "lib/exception_database_saver.rb"
config.middleware.use ExceptionDatabaseSaver

exception_database_saver.rb

# Easy custom middleware to save all Exceptions raised by Rails to Audit table to DB
# Created by Alexandr Basan

class ExceptionDatabaseSaver

  def initialize(app)
    @app = app
  end

  def call(env)
    @app.call(env)
  rescue Exception => exception
    Audit.create!(
        :auditable => 0,
        :user => 0,
        :action => "error",
        :comment => "Exception was rised",
        :audited_changes => "#{exception}. #{exception.backtrace}"
    )
    raise exception
  end

end