curationexperts / mahonia / 807

98%

Pull #228

travis-ci

Store MeSH URIs not labels in Fedora

This commit introduces a MeshTerm service that transforms
MeSH labels into URIs and vice versa. This is used so that
users can search and select MeSH terms in the UI, with the
application storing MeSH URIs in Fedora on the back end. Since
the subject field can be used for non-MeSH terms, the service
can distinguish between MeSH terms and non-MeSH subjects and
processes them appropriately. The MeSH term service is used in the
`EtdActor` in the `create` and `update` methods.

Since MeSH URIs are stored on the back end, this also
introduces a subject renderer to display the label in the show
view. The renderer has a link for the MeSH URI that will open
a new tab when the user clicks on it, along with the label.

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