Koha/Koha/TemplateUtils.pm
Kyle Hall 9282fb5578
Bug 33030: Add standardized subroutine for processing Template Toolkit syntax outside of notices
Koha has evolved to use Template Toolkit for many uses outside of generating slips and notices for patrons. Historically, each of these areas processed template toolkit in a slightly different way. We should add a module to allow Template Toolkit syntax to be processed in a standard and generic way such that all non-notice TT syntax is handled and processed the consistently.

Test Plan:
1) Apply this patch
2) prove t/db_dependent/Koha/Items.t

Signed-off-by: David Nind <david@davidnind.com>

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
2023-07-14 16:52:05 -03:00

98 lines
2.8 KiB
Perl

package Koha::TemplateUtils;
# Copyright ByWater Solutions 2023
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Koha is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Koha; if not, see <http://www.gnu.org/licenses>.
use Modern::Perl;
use Carp qw( croak );
use Try::Tiny;
use Template;
use C4::Context;
use vars qw(@ISA @EXPORT_OK);
BEGIN {
require Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw( process_tt );
}
=head1 NAME
Koha::TemplateUtils
A module to centralize and standardize processing of template toolkit syntax
for uses other than slips and notices.
=head1 DESCRIPTION
Koha has evolved to use Template Toolkit for many uses outside of generating slips and notices for patrons. Historically, each of these areas processed template toolkit in a slightly different way. This module is meant to allow Template Toolkit syntax to be processed in a standard and generic way such that all non-notice TT syntax is handled and processed the consistently.
=head2 process_tt
$processed = process_tt($template, $vars);
Process the given Template Toolkit string, passing the given hashref of vars to the template, returning the processed string.
=cut
sub process_tt {
my ( $template, $vars ) = @_;
if ( index( $template, '[%' ) != -1 ) { # Much faster than regex
my $use_template_cache = C4::Context->config('template_cache_dir')
&& defined $ENV{GATEWAY_INTERFACE};
my $tt = Template->new(
{
EVAL_PERL => 1,
ABSOLUTE => 1,
PLUGIN_BASE => 'Koha::Template::Plugin',
COMPILE_EXT => $use_template_cache ? '.ttc' : '',
COMPILE_DIR => $use_template_cache ? C4::Context->config('template_cache_dir') : '',
FILTERS => {},
ENCODING => 'UTF-8',
}
) or die Template->error();
my $schema = Koha::Database->new->schema;
my $output;
$schema->txn_begin;
try {
$tt->process( \$template, $vars, \$output );
} catch {
croak "ERROR PROCESSING TEMPLATE: $_ :: " . $template->error();
} finally {
$schema->txn_rollback;
};
return $output;
} else {
return $template;
}
}
=head1 AUTHOR
Kyle M Hall <kyle@bywatersolutions.com>
=cut
1;