[Koha-bugs] [Bug 10974] New: OAI-PMH Resumption Tokens Do Not Handle Time

[bugzilla-daemon at bugs.koha-community.org]

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=10974

            Bug ID: 10974
           Summary: OAI-PMH Resumption Tokens Do Not Handle Time
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5 - low
         Component: Web services
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: dcook at prosentient.com.au
        QA Contact: testopia at bugs.koha-community.org

Currently, it is possible to retrieve 50 or so records from Koha via OAI-PMH,
when using times in your 'from' and 'until' arguments. Here is an example that
will return a list of records (if your OAI server syspref is turned on).

http://KOHAINSTANCE/cgi-bin/koha/oai.pl?verb=ListRecords&metadataPrefix=oai_dc&from=2012-09-05T13:44:33Z&until=2014-09-05T13:44:33Z

However, if you need to retrieve the rest of the results via a resumption
token, Koha won't return your results.

http://KOHAINSTANCE/cgi-bin/koha/oai.pl?verb=ListRecords&resumptionToken=oai_dc:50:2012-09-05T13:44:33Z:2014-09-05T13:44:33Z:

This is because Koha joins and splits the resumption token using colons.
Obviously, since the timestamps use colons, the string isn't going to be split
correctly. 

I propose that we change the separator colons to slashes. This is the method
that DSpace uses when serving records via OAI-PMH. You can see an example here:

http://papyrus.bib.umontreal.ca/dspace-oai/request?verb=ListRecords&metadataPrefix=oai_dc

--

Note: Koha doesn't handle times 100% correctly in master either. That's why I
opened bug 10824.

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