[Koha-devel] shelf-browser replacement for koha

[Katrin Fischer]

Hi Paul,

welcome to the list :)

I tried to take a look at the feature, but when I try to load the shelf
browser, it remains empty or takes a long while to load. There are some
errors in the console (mostly CORS Missing Allow Origin) that could
relate to the problem.

Maybe adding a visual indicator about the content still loading could be
a nice addition.

I quite like the idea of generating a nice replacement picture for
missing covers.

Hope this helps,

Katrin


On 12.04.22 17:47, Paul Derscheid wrote:
> Hi everyone,
>
> I developed a replacement for the koha shelf-browser realised as a
> JavaScript library which is already in production with one of our clients.
> tcohen asked me to provide necessary infos and resources so others can
> take a look.
>
>   * The most important part is LMSCoverFlow.js
>     <https://github.com/LMSCloud/Koha-LMSCloud/blob/master/koha-tmpl/opac-tmpl/bootstrap/js/LMSCoverFlow.js> which
>     is the library itself.
>   * For the actual function calls take a look at opac-detail.tt
>     <https://github.com/LMSCloud/Koha-LMSCloud/blob/master/koha-tmpl/opac-tmpl/bootstrap/en/modules/opac-detail.tt> starting
>     at line 1710.
>   * The shelf-browser functionality depends on some scripts, namely
>     coverflowbyshelfitem
>     <https://github.com/LMSCloud/Koha-LMSCloud/blob/master/opac/svc/coverflowbyshelfitem> and
>     covergen
>     <https://github.com/LMSCloud/Koha-LMSCloud/blob/master/opac/svc/covergen>
>   * The corresponding modules are CoverFlowData.pm
>     <https://github.com/LMSCloud/Koha-LMSCloud/blob/master/C4/CoverFlowData.pm> and
>     CoverGen.pm
>     <https://github.com/LMSCloud/Koha-LMSCloud/blob/master/C4/CoverGen.pm>.
>
> I already got lectured on not putting stuff in C4. Next goal is to
> move everything data related to an API endpoint.
> The js is actually written in TypeScript using ES6 modules and I will
> change the visibility of the corresponding repo soon and notify you
> accordingly.
>
> Since the shelf browser is based on itemcallnumbers, it is necessary
> to assign such to a sufficient amount of titles (9 when I tested on
> koha-testing-docker).
>
> To see how it looks in prod take a look at this OPAC
> <https://sb-heilbronn.lmscloud.net/>.
>
> If my explanation is not sufficient or I should have forgotten
> something, you can send me a mail or write to me on IRC. My nick is
> paulderscheid.
>
> I’d love to get feedback and I’m open to criticism.
>
> Kind Regards.
>
> Paul
>
> --
> LMSCloud GmbH
> Paul Derscheid - Software Engineer
> Konrad-Zuse-Platz 8 - D-81829 München
> e paul.derscheid at lmscloud.de
> w www.lmscloud.de <http://www.lmscloud.de>
>
>
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