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module Rubydora
##
# Provide access to registered content models
# FIXME: Ruby 1.9 provides instance_exec, which should make it
# possible to subsume this into Rubydora::RelationshipsMixin
module ModelsMixin
# Provides an accessor to the object content models
# @param [Hash] args
# @option args [Array] :values if nil, will query the resource index for related objects
# @return [ArrayWithCallback<Rubydora::DigitalObject>] an array that will call the #relationship_changed callback when values are modified
def models args = {}
@models = nil if args.delete(:refetch)
@models ||= relationship('info:fedora/fedora-system:def/model#hasModel', :values => args[:values] || profile['objModels'] || [])
end
# provides a setter that behaves as does #models
def models= arr
arr &&= [arr] unless arr.is_a? Array
old = models.dup || []
arr = @models = relationship('info:fedora/fedora-system:def/model#hasModel', :values => arr.flatten)
relationship_changed('info:fedora/fedora-system:def/model#hasModel', {:+ => arr - old, :- => old - arr }, @models)
@models
end
alias_method :model=, :models=
end
end
Version data entries
70 entries across 70 versions & 1 rubygems