http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=7621
Bug #: 7621
Summary: Circulation: Match age restriction of title with
borrower's age without using categories
Classification: Unclassified
Change sponsored?: ---
Product: Koha
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: enhancement
Priority: P5 - low
Component: Circulation
AssignedTo: kyle.m.h...@gmail.com
ReportedBy: ve...@veron.ch
QAContact: koha.sek...@gmail.com
CC: gmcha...@gmail.com
The problem
-----------
Public libraries and school libraries often have to deal with a lot of age
restrictions, e.g. wit FSK (see www.fsk.de) or PEGI (Pan European Game
Information, see www.pegi.info) and/or with regional rules regarding movies
(virtually every canton in Switzerland has it's own rules).
The classic way to implement age restrictions is to make use of a lot of
categories. This gets soon very complicated, and is not easily maintainable.
The librarians need an easy way to maintain age restrictions per title,
otherwise they will not accept Koha.
I tried to find a robust ad easily configurable way to match age restriction
against the borrower's age. I implemented it on my test server.
The concept
-----------
1)
Have information about age restriction in field 521 a (Target audience)
The entry can be anywhere in the field. It reads like
PEGI 3 or FSK 12 (or any other 'tag' + age).
2)
Have a preference like 'AgeRestrictionTags' where such tags are defined. It is
a text field with a list like
PEGI,FSK,Age...
(Make things robust by accepting ,;: and space as delimiters...)
3)
In circulation.pm, sub CanBookBeIssued, fetch the value from 521 a using the
tags above. If the text after such tag is numeric, take this value as
$restrictionyear. Add the years to the borrower's birth date. If the resulting
date is in the future ( >today) , issuing is blocked by setting
$issuingimpossible{AGE_RESTRICTION} = $restrictionyear;
4)
In circulation.tt, part , add:
[% IF ( AGE_RESTRICTION ) %]
<li>Age restriction [% AGE_RESTRICTION %]</li>
[% END %]
Result
-------
If a borrower tries to check out a restricted book and does not have the
appropriate age, the circulation module will block the check out and issue a
message like
"Age restriction 12"
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