[Koha-bugs] [Bug 31207] New: The OPAC Shelf browser fails to display local cover images

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=31207

            Bug ID: 31207
           Summary: The OPAC Shelf browser fails to display local cover
                    images
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5 - low
         Component: OPAC
          Assignee: oleonard at myacpl.org
          Reporter: a.roussos at dataly.gr
        QA Contact: testopia at bugs.koha-community.org

In the OPAC Details page for a biblio, opening the Shelf browser
will display adjacent items next to each other based on their call
number and also display any cover images found. It's a very useful
OPAC feature that allows librarians to have a "virtual" look at
their library shelves.

This is currently broken *when local covers are exclusively in use*,
as it fails to fetch the related local cover images from the DB.

Steps to reproduce:

TL;DR: Just visit the sandbox URL below and see for yourself ;-)
https://opac-shlfbrwsr.sandboxes.biblibre.eu/cgi-bin/koha/opac-detail.pl?biblionumber=344&shelfbrowse_itemnumber=1348#holdings

Go to Home > Administration > System preferences in the Staff interface:
- in section 'OPAC -> Shelf browser', make sure OPACShelfBrowser
  is enabled (i.e. set to 'Show')
- in section 'Enhanced content -> Local or remote cover images',
  make sure both LocalCoverImages and OPACLocalCoverImages
  are enabled (i.e. set to 'Display')
- make sure no other cover image provider is enabled
- make sure OpacSeparateHoldings and OpacSeparateHoldingsBranch
  are set to 'Don't separate' and 'home library', respectively

Next, in the Staff interface, find a record without any local cover
images (either at the biblio or at the item level), having at
least one item attached to it that has a Call number (the call
number value can be anything -- it's only needed to trigger the
display of the 'Browse shelf' hyperlink). Use the 'Images' tab
in the Details page of the record to upload a local cover image
at the biblio level (do *not* upload any item-level cover image).

Finally, in the OPAC, visit the Details page of the record you
just added the cover image to, and click on the 'Browse shelf'
link found in the 'Call number' column. When the Shelf browser
expands, you'll notice that there is no cover image displayed
for the item(s) that belong to your test biblio.

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