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69 lines
1.3 KiB
69 lines
1.3 KiB
package Koha::Ratings;
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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 along
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# with Koha; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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use Modern::Perl;
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use Carp;
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use Koha::Database;
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use Koha::Rating;
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use base qw(Koha::Objects);
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=head1 NAME
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Koha::Ratings - Koha Rating Object set class
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=head1 API
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=head2 Class Methods
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=cut
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=head3 get_avg_rating
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=cut
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sub get_avg_rating {
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my ( $self ) = @_;
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my $sum = $self->_resultset->get_column('rating_value')->sum();
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my $total = $self->count();
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my $avg = 0;
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if ( $sum and $total ) {
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eval { $avg = $sum / $total };
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}
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$avg = sprintf( "%.1f", $avg );
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return $avg;
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}
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=head3 type
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=cut
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sub _type {
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return 'Rating';
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}
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sub object_class {
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return 'Koha::Rating';
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}
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1;
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