Class: Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/helpful_utils/common/configuration.rb

Constant Summary collapse

@@path_to_config_dir = 
"#{::RAILS_ROOT}/config/project"

Class Method Summary collapse

Class Method Details

.has?(config_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/helpful_utils/common/configuration.rb', line 19

def self.has?(config_name)
  self.method_defined? config_name
end

.load_configuration_from_file(config_file) ⇒ Object 



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# File 'lib/helpful_utils/common/configuration.rb', line 24

def self.load_configuration_from_file ( config_file )
  config = YAML.load_file( config_file )    
  if config.instance_of? Hash
    attrs = []
    config.each_key { |key| attrs << key.to_sym } # извлекаем имена полей

    config_struct = Struct.new *attrs             # создаем структуру с этими полями

    new_config = config_struct.new                # создаем объект этой структуры

    config_struct.members.each do |attr_name|     # инициализируем значения полей объекта

      new_config.send( "#{attr_name}=", config[attr_name] )
    end
    config = new_config                           # отображаем трансформацию в конфиг

  end
  attr_name = File.basename( config_file, ".yaml" )

  self.class_eval do
    cattr_accessor attr_name.to_sym               # создаем в модуле аттрибут

  end

  self.send("#{attr_name}=", config)
end

.load_configurations ⇒ Object 



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# File 'lib/helpful_utils/common/configuration.rb', line 10

def self.load_configurations
  if defined? ::RAILS_ROOT
    Dir["#{path_to_config_dir}/*.yaml"].each do |config_file|
      load_configuration_from_file(config_file)
    end
  end

end