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118 Zeilen
3.0 KiB
118 Zeilen
3.0 KiB
package Koha::Template::Plugin::Cache;
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# Copyright Catalyst IT 2011
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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use strict;
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use warnings;
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use base qw( Template::Plugin );
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use Template::Plugin;
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use C4::Context;
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#------------------------------------------------------------------------
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# new(\%options)
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#------------------------------------------------------------------------
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sub new {
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my ( $class, $context, $params ) = @_;
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my $cache;
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if ( $params->{cache} ) {
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$cache = delete $params->{cache};
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}
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else {
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require Koha::Cache;
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$cache = Koha::Caches->get_instance();
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}
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my $self = bless {
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CACHE => $cache,
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CONFIG => $params,
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CONTEXT => $context,
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}, $class;
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return $self;
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}
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#------------------------------------------------------------------------
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# $cache->include({
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# template => 'foo.html',
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# keys => {'user.name', user.name},
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# ttl => 60, #seconds
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# });
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#------------------------------------------------------------------------
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sub inc {
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my ( $self, $params ) = @_;
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$self->_cached_action( 'include', $params );
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}
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sub proc {
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my ( $self, $params ) = @_;
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$self->_cached_action( 'process', $params );
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}
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sub _cached_action {
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my ( $self, $action, $params ) = @_;
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my $key;
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if ( $params->{key} ) {
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$key = delete $params->{key};
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}
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else {
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my $cache_keys = $params->{keys};
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$key = join(
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':',
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(
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$params->{template},
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map { "$_=$cache_keys->{$_}" } keys %{$cache_keys}
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)
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);
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}
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my $result = $self->{CACHE}->get_from_cache($key);
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if ( !$result ) {
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$result = $self->{CONTEXT}->$action( $params->{template} );
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$self->{CACHE}
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->set_in_cache( $key, $result, { expiry => $params->{ttl} } );
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}
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return $result;
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}
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1;
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=head1 NAME
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Koha::Template::Plugin::Cache - cache output of templates
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=head1 SYNOPSIS
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[% USE cache = Cache %]
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[% cache.inc(
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'template' => 'slow.html',
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'keys' => {'user.name' => user.name},
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'ttl' => 360
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) %]
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# or with a pre-defined Cache::* object and key
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[% USE cache = Cache( cache => mycache ) %]
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[% cache.inc(
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'template' => 'slow.html',
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'key' => mykey,
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'ttl' => 360
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) %]
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__END__
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