make VersionPresenterList an Enumerable; extract creation to factory #4975
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VersionPresenterList
is effectively anEnumerable
(responds only to#each
), extending it withinclude Enumerable
makes it moreversitile (perhaps we should consider a rename?). the current implementation
relies on loading each member up-front and then sorting, but this might not be
necessary for all backends.
Enumerable
also provides some guidance about howto do this kind of loading lazily.
move the generation to a factory so the details of how to resolve an object to a
list of versions are encapsulated.
@samvera/hyrax-code-reviewers