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86 lines
2.4 KiB
86 lines
2.4 KiB
package Koha::Objects::Limit::Library;
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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 Modern::Perl;
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use Koha::Database;
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=head1 NAME
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Koha::Objects::Limit::Library - Generic library limit handling class
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=head1 SYNOPSIS
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use base qw(Koha::Objects Koha::Object::Limit::Library);
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my $objects = Koha::Objects->search_with_library_limits( $params, $attributes, $library_id );
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=head1 DESCRIPTION
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This class is provided as a generic way of handling library limits for Koha::Objects-based classes
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in Koha.
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This class must always be subclassed.
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=head1 API
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=head2 Class methods
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=cut
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=head3 search_with_library_limits
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my $results = $objects->search_with_library_limits( $params, $attributes, $library_id );
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Wrapper method for searching objects with library limits, respecting those
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limits
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=cut
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sub search_with_library_limits {
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my ( $self, $params, $attributes, $library_id ) = @_;
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return $self->search( $params, $attributes ) unless $library_id;
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my $library_limits = $self->object_class()->_library_limits;
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my $library_limits_table
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= Koha::Database->new->schema->resultset( $library_limits->{class} )->result_source->name;
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my $library_field = $library_limits->{library};
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my $where = {
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'-or' => [
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"$library_limits_table.$library_field" => undef,
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"$library_limits_table.$library_field" => $library_id,
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]
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};
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$attributes //= {};
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if ( exists $attributes->{join} ) {
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if ( ref $attributes->{join} eq 'ARRAY' ) {
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push @{ $attributes->{join} }, "$library_limits_table";
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}
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else {
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$attributes->{join} = [ $attributes->{join}, "$library_limits_table" ];
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}
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}
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else {
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$attributes->{join} = $library_limits_table;
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}
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return $self->search( { %$params, %$where, }, $attributes );
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}
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1;
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