[Koha-bugs] [Bug 31416] New: Improve OPAC "Browse by hierarchy" and "Subject cloud" features

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=31416

            Bug ID: 31416
           Summary: Improve OPAC "Browse by hierarchy" and "Subject cloud"
                    features
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P5 - low
         Component: OPAC
          Assignee: oleonard at myacpl.org
          Reporter: egpetridis at yahoo.com
        QA Contact: testopia at bugs.koha-community.org

Created attachment 139447
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=139447&action=edit
Subject cloud example

The "Browse by hierarchy" (opac-browser.pl) and "Subject cloud"
(opac-tags_subject.pl) features are very convinient in allowing the visitor
determine what a particular  library is about, what topics it focuses on,
literally at a glance and present the subject tree to the visitor in a
convenient way. 

They are not however properly implemented, as they need to 
a. cater for more languages when looking-up classification codes, 
b. honor classification versions, 
c. support more classifications, apart from DDC that is, 
d. bypass items marked as hidden in OPAC. Perhaps this could be controlled by a
system preference, or -even better- by having a separate "librarian view"
available in librarian menus.

NB. This enhancement suggestion/request is contrary to views described in Bug
20417 - Remove OpacCloud (and OpacBrowser) system preference and feature

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