Module: ActionController::Dependencies::ClassMethods

Defined in:
lib/action_controller/deprecated_dependencies.rb

Overview

Deprecated module. The responsibility of loading dependencies belong with Active Support now.

Instance Method Summary collapse

Instance Method Details

#depend_on(layer, dependencies) ⇒ Object

:nodoc:



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# File 'lib/action_controller/deprecated_dependencies.rb', line 41

def depend_on(layer, dependencies) #:nodoc:
  write_inheritable_array("#{layer}_dependencies", dependencies)
end

#dependencies_on(layer) ⇒ Object

Returns an array of symbols that specify the dependencies on a given layer. For the example at the top, calling ApplicationController.dependencies_on(:model) would return [:account, :company, :person, :project, :category]



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# File 'lib/action_controller/deprecated_dependencies.rb', line 36

def dependencies_on(layer)
  read_inheritable_attribute("#{layer}_dependencies")
end

#model(*models) ⇒ Object

Specifies a variable number of models that this controller depends on. Models are normally Active Record classes or a similar backend for modelling entity classes.



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# File 'lib/action_controller/deprecated_dependencies.rb', line 11

def model(*models)
  require_dependencies(:model, models)
  depend_on(:model, models)
end

#observer(*observers) ⇒ Object

Specifies a variable number of observers that are to govern when this controller is handling actions. The observers will automatically have .instance called on them to make them active on assignment.



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# File 'lib/action_controller/deprecated_dependencies.rb', line 27

def observer(*observers)
  require_dependencies(:observer, observers)
  depend_on(:observer, observers)
  instantiate_observers(observers)
end

#service(*services) ⇒ Object

Specifies a variable number of services that this controller depends on. Services are normally singletons or factories, like Action Mailer service or a Payment Gateway service.



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# File 'lib/action_controller/deprecated_dependencies.rb', line 19

def service(*services)
  require_dependencies(:service, services)
  depend_on(:service, services)
end