Class: SiteFramework::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/site_framework/middleware.rb

Overview

Rack middleware class of site_framework which is responsible for loading [Domain] model instance and [Site] model instance and putting them on Rails.application.

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Middleware initializer method which gets the app from previous middleware



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# File 'lib/site_framework/middleware.rb', line 9

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/site_framework/middleware.rb', line 13

def call(env)
  # Create a method called domain which will return the current domain
  # name
  Rails.application.send :define_singleton_method, 'domain_name' do
    env['SERVER_NAME']
  end

  Rails.application.send :define_singleton_method, 'domain' do
    domain = nil
    if Rails.application.instance_variable_defined? '@domain'
      domain = Rails.application.instance_variable_get '@domain'
      if respond_to? :logger
        logger.info "`domain` is defined, value #{domain}"
      end
    end

    if domain.nil?
      domain_obj = Domain.find_by(:name => Rails.application.domain_name)
      if respond_to? :logger
        logger.debug '`domain` is nil'
        logger.warn "Can't find domain object of `#{Rails.application.domain_name}`"
      end
      Rails.application.instance_variable_set '@domain', domain_obj
      domain = domain_obj
    end

    domain
  end

  Rails.application.send :define_singleton_method, 'site' do
    site = nil
    unless Rails.application.domain.nil?
      site = Rails.application.domain.site
    end
    site
  end

  Rails.application
  @app.call(env)
end