[Koha-bugs] [Bug 2532] New: Patron-requested holds limited to one item per bib.

[bugzilla-daemon at pippin.metavore.com]

http://bugs.koha.org/cgi-bin/bugzilla/show_bug.cgi?id=2532

           Summary: Patron-requested holds limited to one item per bib.
           Product: Koha
           Version: HEAD
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Circulation
        AssignedTo: galen.charlton at liblime.com
        ReportedBy: rch at liblime.com
         QAContact: koha-bugs at lists.koha.org


The current holds implementation limits a hold to be either title-level or
item-level, and only one outstanding hold may be placed at a time.  This is a
significant shortcoming, especially for serial records, where a patron may wish
to request several issues.
There should be some way to distinguish whether all item records attached to a
bib record are equivalent in the sense of fulfilling a hold request.  I feel at
this stage that using the biblio.serial flag should be sufficient for this.  (
However, note that the existence of a series title can trigger the serial flag.
 I think that is a behavior added by BibLibre, and should be addressed).
If there is such a flag, then we can allow multiple item-level requests on a
single bib, and, on fulfillment, cancel all other hold requests if items are
determined to be equivalent.

There is some code for this tucked away in the dev_week branch, though I
imagine at this point the holds code will need to be refactored such that that
code is irrelevant.

In short, this enhancement request is for allowance of multiple concurrent
item-level, but a precursor I think is the stated interpretation of the
biblio.serial flag as indicating that multiple concurrent item-level holds are
_not_ equivalent, where in all other cases they are.




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