class Mongoid::Relations::NestedBuilder

#accepts_nested_attributes_for.
creation, deletion, and updates of documents through that ever so lovely
This is the superclass for builders that are in charge of handling

def allow_destroy?

Other tags:
    Since: - 2.0.0.rc.1

Returns:
  • (true, false) - True if the allow destroy option was set.

Other tags:
    Example: Do we allow a destroy? - 
def allow_destroy?
  options[:allow_destroy] || false
end

def convert_id(klass, id)

Other tags:
    Since: - 2.0.0.rc.6

Returns:
  • (BSON::ObjectId, String, Object) - The converted id.

Parameters:
  • id (String) -- The id, usually coming from the form.
  • klass (Class) -- The class we're trying to convert for.

Other tags:
    Example: Convert the id. - 
def convert_id(klass, id)
  klass.using_object_ids? ? BSON::ObjectId.mongoize(id) : id
end

def reject?(document, attrs)

Other tags:
    Since: - 2.0.0.rc.1

Returns:
  • (true, false) - True and call proc or method if rejectable, false if not.

Parameters:
  • attrs (Hash) -- The attributes to check for rejection.
  • The () -- parent document of the relation

Other tags:
    Example: Is there a reject proc? - 
def reject?(document, attrs)
  case callback = options[:reject_if]
  when Symbol
    document.method(callback).arity == 0 ? document.send(callback) : document.send(callback, attrs)
  when Proc
    callback.call(attrs)
  else
   false
  end
end

def update_only?

Other tags:
    Since: - 2.0.0.rc.1

Returns:
  • (true, false) - True if the update_only option was set.

Other tags:
    Example: Is this update only? - 
def update_only?
  options[:update_only] || false
end