http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=6374
Bug #: 6374
Summary: Use "size" as names/hash keys leads to an unexpected
results when using Template::Toolkit (name of a
virtual method there)
Classification: Unclassified
Change sponsored?: ---
Product: Koha
Version: master
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: P5
Component: Templates
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
In many places the name "size" is used as hash key when the hash is passed to
the template system for display. So, for example, since "size" is used as a
name of a column of bibioitems table, it appears (or not, depending on if it
was defined or not) in elements of SEARCH_RESULTS (in catalogue/search.pl or
opac-search.pl) and is passed to the template results.tt/opac-results.tt.
Then, in [opac-]results.tt a test is being done: [% IF ( SEARCH_RESULT.size )
%]
Now: if "size" was defined, everything is OK and the size will be displayed
(e.g. 21 cm), BUT if it was not defined, then a "random" number appears.
This is because "size" is one of the virtual methods defined in
Template::Toolkit for every data type (cf.
http://search.cpan.org/~abw/Template-Toolkit-2.22/lib/Template/Manual/VMethods.pod).
So, if "size" was defined by Koha, it will overload the method, but if it was
not, then 1) XXX.size exists anyway, 2) the virtual method size() is called --
and it returns the number of elements in the hash or loop etc., depending on
what is referred.
The number of suspicious similar spots is ca. 20: git grep "IF.*\.size" called
in koha-tmpl
The issue does not seem to me to be straightforward to resolve, so I am not
proposing any patch at the time.
Since it seems that in most of the cases it rooted in biblioitems.size column,
maybe it would be the simplest to rename that column to 'format' (and make
appropriate changes in the code)? Any other ideas?
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