Module: Cathode::Action::RequiresAssociation

Included in:
RequiresHasManyAssociation, RequiresHasOneAssociation
Defined in:
lib/cathode/action.rb

Overview

Raises an error if the action was defined on a resource whose parent doesn’t have an association to the resource

Instance Method Summary collapse

Instance Method Details

#after_resource_initialized ⇒ Object

Determines whether an expected association is present.



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# File 'lib/cathode/action.rb', line 138

def after_resource_initialized
  if parent.present? && !overridden?
    reflections = parent.model.reflections

    if association_keys.map { |key| reflections.include?(key) }.none?
      raise MissingAssociationError, error_message
    end
  end

  super
end

#association_keys ⇒ Object

Defines the possible associations as ‘:resources` (`has_many`) or `:resource` (`has_one`)



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# File 'lib/cathode/action.rb', line 130

def association_keys
  [
    resource.name.to_s.singularize.to_sym,
    resource.name.to_s.pluralize.to_sym
  ]
end