Module: Reactor::Legacy::Base

Defined in:
lib/reactor/legacy.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/reactor/legacy.rb', line 6

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#delete_children!(options = {}) ⇒ Object

removes CMS objects underneath current object

Parameters:

  • options (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (options):

  • :no_children (Object) —

    if true prevents deletion unless there are no children

  • :img_children_only (Object) —

    if true prevents deletion unless there are exclusively img children

  • :children (Array) —

    if true prevents deletion if there are other children besides the specified ones (array of names)



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# File 'lib/reactor/legacy.rb', line 14

def delete_children!(options={})
  # TODO: provide better discrimination mechanisms (blocks?)
  f_nochild   = options.delete(:no_children)
  f_imgchild  = options.delete(:img_children_only)
  f_children  = options.delete(:children)

  mychildren  = self.children
  image_children, other_children = mychildren.partition {|obj| obj.obj_class == 'Image'}

  # are there any links pointing to this container
  return false if has_super_links?
  # is the flag set and are there any children
  return false if f_nochild && !mychildren.empty?
  # is the flag set and are there any children besides images
  return false if f_imgchild && !other_children.empty?
  # is the flag set and are there any children besides the specified ones
  return false if f_children && !((mychildren.map(&:name) - f_children).empty?)

  # check children for any links pointing to them
  return false if mychildren.detect(&:has_super_links?)
  # check if there are any grandchildren
  return false if mychildren.detect {|child| !child.children.empty?}

  # delete children
  mychildren.each(&:destroy)
  return true
end