81 lines
2.1 KiB
Perl
81 lines
2.1 KiB
Perl
package Koha::SearchFilter;
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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 under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the 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 <https://www.gnu.org/licenses>.
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use Modern::Perl;
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use JSON qw( encode_json decode_json );
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use Koha::Database;
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use base qw(Koha::Object);
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=head1 NAME
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Koha::SearchFilter - Koha Search filter object class
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=head1 API
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=head2 Class methods
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=head3 expand_filter
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my ($expanded_limit, $query_limit) = $filter->expand_filter;
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Returns the filter as an arrayref of limit queries, and the query parts combined
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into a string suitable to be passed to QueryBuilder
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=cut
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sub expand_filter {
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my $self = shift;
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my $query_part = $self->query;
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my $limits_part = $self->limits;
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my $limits = decode_json($limits_part)->{limits};
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my $query = decode_json($query_part);
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my $operators = $query->{operators};
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my $operands = $query->{operands};
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my $indexes = $query->{indexes};
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my $query_limit = "";
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for ( my $i = 0 ; $i < scalar @$operands ; $i++ ) {
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next unless @$operands[$i];
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my $index = @$indexes[$i] ? @$indexes[$i] . "=" : "";
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my $query = "(" . @$operands[$i] . ")";
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my $operator = "";
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$operator = @$operators[ $i - 1 ] ? " " . @$operators[ $i - 1 ] . " " : scalar @$operands > $i ? " AND " : ""
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if $i > 0;
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my $limit = $operator . $index . $query;
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$query_limit .= $limit;
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}
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$query_limit = "(" . $query_limit . ")" if $query_limit;
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return ( $limits, $query_limit );
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}
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=head2 Internal methods
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=head3 _type
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=cut
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sub _type {
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return 'SearchFilter';
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}
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1;
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