Hi Tim, Thank you very much for the help, now I understand the "score" sorting option. I will review the documentation and configurations you indicate to adjust it to what I need.
Regards, Omar El miércoles, 1 de diciembre de 2021 a la(s) 09:43:02 UTC-6, Tim Donohue escribió: > Hi Omar, > > All the search options under that `/api/discover/search/` endpoint are > completely configurable in our discovery.xml configuration file. For > example, the sort options for the default configuration can be configured > here: > https://github.com/DSpace/DSpace/blob/main/dspace/config/spring/api/discovery.xml#L155-L166 > > Sort options can be configured separately for different "configurations" > as well (this corresponds to the "configuration" param in the REST > Contract: > https://github.com/DSpace/RestContract/blob/main/search-endpoint.md). > So, for example, here's a separate list of sort options for the > "administrativeView" configuration: > https://github.com/DSpace/DSpace/blob/main/dspace/config/spring/api/discovery.xml#L434-L445 > > You'll notice each of those configs refer to a sort "bean" later in the > discovery.xml. Here's where those are configured: > https://github.com/DSpace/DSpace/blob/main/dspace/config/spring/api/discovery.xml#L2143-L2214 > > More documentation on configuring Discovery (which corresponds to the > /api/discover/ endpoints) for your own local needs can be found in our > documentation at: https://wiki.lyrasis.org/display/DSDOC7x/Discovery > > Finally, the "score" sort option is just the default sort that Apache Solr > provides (as all our search/browse is powered by Apache Solr). In Solr, > that default sort option is based on Solr's own relevance score. It can be > tuned at the Solr level (see solr docs), but we don't heavily tune it by > default in DSpace. https://solr.apache.org/guide/8_0/relevance.html > > Hopefully that helps some, but let us know on this list if you have other > questions. > > Tim > > ------------------------------ > *From:* 'Omar Villa' via DSpace Technical Support < > dspac...@googlegroups.com> > *Sent:* Tuesday, November 30, 2021 4:47 PM > > *To:* DSpace Technical Support <dspac...@googlegroups.com> > *Subject:* Re: [dspace-tech] Re: DSpace 7 API search by lastModified date > > Hello, I have a couple of questions related to this same topic, as far as > I see the endpoint /api/discover/search allows the results to be sorted by: > > score > dc.title > dc.date.issued > dc.date.accessioned > > For example: > > /api/discover/search/objects?sort=score > > Would it be possible to sort them by the date of the last modification? I > have tried something like the following, but it didn't work for me: > > /api/discover/search/objects?sort=query:lastModified > /api/discover/search/objects?sort=lastModified > /api/discover/search/objects?sort=query > > Finally, what does the option to sort by "score" refer to, i.e., does it > have any relation to item statistics such as number of downloads or > something like that that determines their score? > > Best, > Omar > > El viernes, 24 de septiembre de 2021 a la(s) 17:14:47 UTC-5, Omar Villa > escribió: > > Sorry, I think I clicked on reply to the author. > > I really appreciate it Tim, your explanation will help me a lot. > > Best, > Omar > > El miércoles, 22 de septiembre de 2021 a la(s) 11:03:58 UTC-5, > b...@symplectic.co.uk escribió: > > Thanks for the quick reply Tim, that's great to know! > Best wishes, > Ben > > On Wednesday, 22 September 2021 at 16:24:55 UTC+1 Tim Donohue wrote: > > Hi Omar & Ben, > > The DSpace 7 REST API can support Solr/Lucene style queries, provided > that it's URL encoded. So, this sort of search by lastModified date is > already supported *for Items* as the lastModified date of an Item is > indexed in Solr (as the Solr field "lastModified"), see: > > https://github.com/DSpace/DSpace/blob/main/dspace-api/src/main/java/org/dspace/discovery/indexobject/ItemIndexFactoryImpl.java#L141 > > The syntax is a bit odd, as you must both use a Solr date range search & > ensure it is URL encoded. > > - Solr date range query syntax: > https://solr.apache.org/guide/8_0/working-with-dates.html > - YOU MUST URL encode special characters in this syntax, e.g. the > square brackets [] and any other special characters, etc. > > > But, once you do all that, it works. Here's an example using the demo > REST API: > > > https://api7.dspace.org/server/api/discover/search/objects?query=lastModified%3A%5B2021-01-01T00:00:00Z%20TO%202021-09-01T00:00:00Z%5D > > That's hard to read, but un-encoded it says: > > "query=lastModified:[2021-01-01T00:00:00Z TO 2021-09-01T00:00:00Z]" > > In other words, everything modified between Jan 1 and Sept 1 of this year. > > I'll admit, I cannot guarantee this will work perfectly for all Solr date > queries (e.g. I'm having difficulty getting it to work locally for an > open-ended query using an asterisk), but the basics do work. > > (NOTE: This *only* works for Items, as currently DSpace doesn't support > a "lastModified" date concept for Communities or Collections, etc.) > > Tim > > ------------------------------ > *From:* 'Ben Heartland' via DSpace Technical Support < > dspac...@googlegroups.com> > *Sent:* Tuesday, September 21, 2021 4:48 AM > *To:* DSpace Technical Support <dspac...@googlegroups.com> > *Subject:* [dspace-tech] Re: DSpace 7 API search by lastModified date > > Hi, > > Thanks for raising this Omar, this would be a welcome addition for us too. > Currently, we first use OAI to find recently changed items, then use the > 6.x REST API to get their metadata. Having both operations consolidated > under the new core API would be simpler and more robust. > > All the best, > Ben > > On Monday, 20 September 2021 at 01:09:50 UTC+1 ovi...@ibsaweb.com wrote: > > Hi, > > I want to know if using the new DSpace 7 API there is a way to perform a > search to get only those records that have been created and / or updated > from a certain date, I see among the information obtained with the API > (endpoint /api/core/items) that there is the "lastModified" field which is > useful to know this, but I would like to filter it without having to get > all the items first, the closest I have found is that I can do a search > using the metadata dc.date.issued something like: > > /api/discover/search/objects?f.dateIssued=%5B2019 TO 2021%5D,equals > > But I would rather like a result like the one obtained with OIA using a > query like the following: > > > https://example.com/oai/request?verb=ListRecords&metadataPrefix=oai_dc&from=2019-08-01&until=2021-09-15 > > Thanks, > Omar > > -- > All messages to this mailing list should adhere to the Code of Conduct: > https://www.lyrasis.org/about/Pages/Code-of-Conduct.aspx > --- > You received this message because you are subscribed to the Google Groups > "DSpace Technical Support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dspace-tech...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dspace-tech/f1a49926-57cb-43c0-b8cb-21f3b516492dn%40googlegroups.com > > <https://groups.google.com/d/msgid/dspace-tech/f1a49926-57cb-43c0-b8cb-21f3b516492dn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- > All messages to this mailing list should adhere to the Code of Conduct: > https://www.lyrasis.org/about/Pages/Code-of-Conduct.aspx > --- > You received this message because you are subscribed to the Google Groups > "DSpace Technical Support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dspace-tech...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dspace-tech/d3bf2484-f687-43e1-9788-08e0ce915278n%40googlegroups.com > > <https://groups.google.com/d/msgid/dspace-tech/d3bf2484-f687-43e1-9788-08e0ce915278n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- All messages to this mailing list should adhere to the Code of Conduct: https://www.lyrasis.org/about/Pages/Code-of-Conduct.aspx --- You received this message because you are subscribed to the Google Groups "DSpace Technical Support" group. 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