34 lines
928 B
Ruby
34 lines
928 B
Ruby
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module CouchRest::Model
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module CastedBy
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extend ActiveSupport::Concern
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included do
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self.send(:attr_accessor, :casted_by)
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self.send(:attr_accessor, :casted_by_property)
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end
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# Gets a reference to the actual document in the DB
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# Calls up to the next document if there is one,
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# Otherwise we're at the top and we return self
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def base_doc
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return self if base_doc?
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casted_by ? casted_by.base_doc : nil
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end
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# Checks if we're the top document
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def base_doc?
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!casted_by
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end
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# Provide the property this casted model instance has been
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# used by. If it has not been set, search through the
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# casted_by objects properties to try and find it.
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#def casted_by_property
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# return nil unless casted_by
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# attrs = casted_by.attributes
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# @casted_by_property ||= casted_by.properties.detect{ |k| attrs[k.to_s] === self }
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#end
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end
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end
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