Module: App

Defined in:
lib/generators/app_yml/install/templates/app.rb

Overview

Public: An initializer that provides global access to the App constant (which holds all settings from config/app.yml).

Thanks to Adrian Danieli (sickpea.com/2009/6/rails-app-configuration-in-10-lines) for this idea.

Constant Summary collapse

@@settings =

Initialize the settings hash

{}

Class Method Summary collapse

Class Method Details

.[](*args) ⇒ Object

Causes App to return @@settings.

Eg: If @@settings = { :country => ‘Canada’ }, then App will return @@settings == ‘Canada’



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# File 'lib/generators/app_yml/install/templates/app.rb', line 62

def self.[](*args)
  args.inject(@@settings) { |hash, arg| hash[arg] }
end

.build_settings_hash ⇒ Object

Parses ‘config/app.yml’ and converts it into a HashWithIndifferentAccess (which provides us with dot syntax).

See ‘config/app.yml’ for examples.



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# File 'lib/generators/app_yml/install/templates/app.rb', line 69

def self.build_settings_hash
  # Create a hash out of config/app.yml
  yaml = YAML.load(ERB.new(File.read(Rails.root.join('config', 'app.yml'))).result)

  # Fetch settings from the all: section
  @@settings = yaml['all']

  # Merge in settings from the current environment's section, giving the environment's settings precedence
  @@settings.deep_update! yaml[Rails.env] || {}

  # Allow this hash's data to be accessed with both strings and symbols
  @@settings = HashWithIndifferentAccess.new @@settings
end

.method_missing(method, *args) ⇒ Object

Causes App.arg to call App.

Eg: App.country would call App



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# File 'lib/generators/app_yml/install/templates/app.rb', line 55

def self.method_missing(method, *args)
  self[method, *args]
end