Module: RailsStuff::ResourcesController::StiHelpers::ClassMethods

Defined in:
lib/rails_stuff/resources_controller/sti_helpers.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#resource_class_by_type ⇒ Object

Returns hash which is used to get subclass for requested type.

By default it uses ‘.types_list` or `.descendants` to get list of classes and indexes them by class names.



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# File 'lib/rails_stuff/resources_controller/sti_helpers.rb', line 16

def resource_class_by_type
  @resource_class_by_type ||=
    if resource_class.respond_to?(:types_list)
      resource_class.types_list
    else
      resource_class.descendants
    end.index_by(&:name)
end

#use_resource_class_for_invalid_type ⇒ Object

Returns the value of attribute use_resource_class_for_invalid_type.



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# File 'lib/rails_stuff/resources_controller/sti_helpers.rb', line 37

def use_resource_class_for_invalid_type
  @use_resource_class_for_invalid_type
end

Instance Method Details

#permit_attrs_for(klass, *attrs) ⇒ Object

Permits attrs only for specific class.



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# File 'lib/rails_stuff/resources_controller/sti_helpers.rb', line 45

def permit_attrs_for(klass, *attrs)
  permitted_attrs_for[klass].concat attrs
end

#permitted_attrs_for ⇒ Object

Class-level accessor to permitted attributes for specisic class.



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# File 'lib/rails_stuff/resources_controller/sti_helpers.rb', line 40

def permitted_attrs_for
  @permitted_attrs_for ||= Hash.new { |h, k| h[k] = [] }
end

#resource_class_for(name) ⇒ Object 



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# File 'lib/rails_stuff/resources_controller/sti_helpers.rb', line 27

def resource_class_for(name)
  return resource_class unless name
  resource_class_by_type[name] ||
    if use_resource_class_for_invalid_type
      resource_class
    else
      raise(InvalidType, "No type mapped for #{name.inspect}")
    end
end