Module: Cms::Behaviors::Attaching::MacroMethods

Defined in:
lib/cms/behaviors/attaching.rb

Instance Method Summary collapse

Instance Method Details

#allow_attachments ⇒ Object

Adds additional behavior to a model which allows it to have attachments. Typically, clients will not need to call this directly. Enabling attachments is normally done via:

acts_as_content_block :allow_attachments => false

By default, blocks can have attachments.



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# File 'lib/cms/behaviors/attaching.rb', line 71

def allow_attachments
  extend ClassMethods
  extend Validations
  include InstanceMethods

  # Allows a block to be associated with a list of uploaded attachments (done via AJAX)
  attr_accessor :attachment_id_list, :attachments_changed

  Cms::Attachment.definitions[self.name] = {}
  has_many :attachments, :as => :attachable, :dependent => :destroy, :class_name => 'Cms::Attachment', :autosave => false

  accepts_nested_attributes_for :attachments,
                                :allow_destroy => true,
                                # New attachments must have an uploaded file
                                :reject_if => lambda { |a| a[:data].blank? && a[:id].blank? }
  attr_accessible :attachments_attributes, :attachment_id_list, :attachments_changed

  validates_associated :attachments
  before_validation :initialize_attachments, :check_for_updated_attachments
  after_validation :filter_generic_attachment_errors

  before_create :associate_new_attachments
  before_save :ensure_status_matches_attachable

  after_save :save_associated_attachments

end