Christian,
Wow, thank you! I've just managed to create a proper RSS feed for a
certain metadata field and sort it by dc.date.accessioned in descending
order.
Now, the DSpace documentation is 100% wrong in several places with regards
to the setup of OpenSearch... for example, I had to define custom search
filters in `discovery.xml' [0], and the DSpace 4.2 documentation PDF (page
733) seems to suggest that OpenSearch only has the following parameters:
format, scope, rpp, start, sort_by.
Grateful but frustrated,
Alan
[0]
https://github.com/ilri/DSpace/commit/b970a02554b9a6a3e809be3085864299a8233bad
On Wed Dec 03 2014 at 9:38:21 AM Christian Scheible <
[email protected]> wrote:
> > Hi,
> >
> > I'm playing with OpenSearch in DSpace 4.2 and I'm having a couple of
> > issues. I see OpenSearch uses the Discovery configuration, so I'm
> > investigating `discovery.xml'. Here are two related issues I'm having:
> >
> > 1- I've added a custom sortField for dc.date.accessioned and added it
> > to my bean's sortFields, but I can't figure out how to use it.
> > OpenSearch has a `sort_by' parameter which only takes an integer; how
> > do I know which integer to use?
> >
> > 2- If I use `sort_by=2` it appears to be sorting by dc.date.issued,
> > but in ascending order, even though `discovery.xml' lists "desc" as
> > the default sort order everywhere in the config.
> >
> > We're trying to piggy back on OpenSearch to build custom RSS feeds for
> > certain terms, so we can use a feed aggregator to send email alerts
> > when there are new items. Unfortunately it's quite pointless if we
> > can't customize the field to sort by or see the newest items first in
> > the feed!
> >
> > Our application stack is: DSpace 4.2, Tomcat 7, Oracle Java 7, Ubuntu
> > 14.04.
> >
> > Thank you,
> >
> > Alan
>
>
> Hi Alan,
>
> OpenSearch is using the dspace.cfg not discovery.xml and sorting options
> are defined like that:
>
> webui.itemlist.sort-option.1 = dateissued:dc.date.issued:date
> webui.itemlist.sort-option.2 = dateaccessioned:dc.date.accessioned:date
>
> The sort-option and the order can be defined with get parameters like this
> &sort_by=1&order=DESC
>
> Best
>
> --
> Christian Scheible
> Softwareentwickler / Abt. Content-basierte Dienste
> Kommunikations-, Informations- und Medienzentrum (KIM)
> Universität Konstanz
> 78457 Konstanz
> +49 (0)7531 / 88-2857
> Raum B 703
>
>
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