[Koha-bugs] [Bug 10662] Build OAI-PMH Harvesting Client

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=10662

--- Comment #55 from David Cook <dcook at prosentient.com.au> ---
(In reply to Leif Andersson from comment #54)
> > What's Stockholm UL? 
> 
> Stockholm University Library
>

I had a feeling, but I thought you were at the national library, so I was just
a bit confused.

> > So you're saying that the union catalogue will only have updates about once
> > every 10 minutes? Or that the cataloguer will only be accessing a record in
> > the union catalogue and Koha once every 10 minutes?
> >
> 
> As a rough estimate the cataloger will access a record every 10 minutes.
> 

In terms of updates, are we aiming at providing very up-to-date records for
just cataloguers or both cataloguers and OPAC users?

> > What do you mean by "work locally on a record"? The union catalog will be
> > the source of truth, so any modifications to a record in Koha would be
> > overwritten by a change in the union catalogue.
> 
> Sorry for being unclear. I ment item data: barcode, item type...

Interesting... I've been wondering about that. While I think we can create Koha
item records from MFHD records, I'm not sure how we'd update Koha item records
from MFHD records, especially if the MFHD records don't have barcodes. 

The model I'm working with right now is that the local record is replaced by
the incoming OAI-PMH record... which would eliminate any local changes
(including barcode, item type, etc). Trying to automatically merge an incoming
MFHD record with a local Koha item record might work but it could be error
prone.

Also, without a unique identifier like a barcode, you can't match incoming MFHD
records to Koha item records (which weren't originally imported via OAI-PMH). 

Leif: Can you explain more about how you envision the OAI harvester working
with MFHD records and Koha items?

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