[193] | 1 | package Vote::DB::Poll::Results; |
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| 2 | |
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| 3 | # $Id$ |
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| 4 | |
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| 5 | use strict; |
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| 6 | use warnings; |
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| 7 | use base 'Vote::DB::Poll'; |
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| 8 | |
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| 9 | =head1 NAME |
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| 10 | |
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| 11 | Vote::Model::Vote - Catalyst Model |
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| 12 | |
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| 13 | =head1 DESCRIPTION |
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| 14 | |
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| 15 | Catalyst Model. |
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| 16 | |
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| 17 | =cut |
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| 18 | |
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| 19 | sub new { |
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| 20 | my ($class, %args) = @_; |
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| 21 | |
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| 22 | my $res = $class->SUPER::new(%args); |
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| 23 | |
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| 24 | return bless $res, $class; |
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| 25 | } |
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| 26 | |
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| 27 | sub absolute_majority { |
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| 28 | my ($self) = @_; |
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| 29 | my $ballot_count = $self->ballot_count_nonull; |
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| 30 | return int($ballot_count / 2) + 1; |
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| 31 | } |
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| 32 | |
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| 33 | sub abstention { |
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| 34 | my ($self) = @_; |
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| 35 | |
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| 36 | my $sth = $self->db->prepare_cached( |
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| 37 | q{ |
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| 38 | select count(*) from ballot where poll = ? |
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| 39 | and id not in (select id from ballot_item) and |
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| 40 | (invalid = 'false' or invalid is null) |
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| 41 | } |
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| 42 | ); |
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| 43 | |
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| 44 | $sth->execute($self->voteid); |
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| 45 | my $res = $sth->fetchrow_hashref; |
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| 46 | $sth->finish; |
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| 47 | $res->{count} |
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| 48 | } |
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| 49 | |
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| 50 | sub ballot_count_nonull { |
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| 51 | my ($self) = @_; |
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| 52 | |
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| 53 | my $sth = $self->db->prepare_cached( |
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| 54 | q{ |
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| 55 | select count(*) from ballot where poll = ? |
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| 56 | and id in (select id from ballot_item) and |
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| 57 | (invalid = 'false' or invalid is null) |
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| 58 | } |
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| 59 | ); |
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| 60 | |
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| 61 | $sth->execute($self->voteid); |
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| 62 | my $res = $sth->fetchrow_hashref; |
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| 63 | $sth->finish; |
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| 64 | $res->{count} |
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| 65 | } |
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| 66 | |
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| 67 | sub results_count { |
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| 68 | my ($self) = @_; |
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[195] | 69 | $self->_results(); |
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[193] | 70 | } |
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| 71 | |
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| 72 | sub results_nonull { |
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| 73 | my ($self) = @_; |
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[195] | 74 | $self->_results(1); |
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| 75 | } |
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[193] | 76 | |
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[195] | 77 | sub _results { |
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| 78 | my ($self, $nonull) = @_; |
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| 79 | |
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[193] | 80 | my $sth = $self->db->prepare( |
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| 81 | q{ |
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| 82 | select count(ballot.id), value from |
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[213] | 83 | ( |
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| 84 | select NULL as id, label as value from choice where poll = ? |
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| 85 | union |
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| 86 | select ballot.id, coalesce(corrected, ballot_map.to, value) as "value" from ballot |
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[195] | 87 | } . ($nonull ? '' : ' left ') . q{ |
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| 88 | join ballot_item |
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| 89 | on ballot.id = ballot_item.id |
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| 90 | left join ballot_map on ballot.poll = ballot_map.poll and ballot_map.from = ballot_item.value |
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[213] | 91 | where ballot.poll = ? and (invalid = 'false' or invalid is null |
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| 92 | ) |
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[195] | 93 | group by ballot.id, coalesce(corrected, ballot_map.to, value)) as ballot |
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[193] | 94 | group by value |
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| 95 | order by count desc, value |
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| 96 | } |
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| 97 | ); |
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[213] | 98 | $sth->execute($self->voteid, $self->voteid); |
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[193] | 99 | my @results; |
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| 100 | while (my $res = $sth->fetchrow_hashref) { |
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| 101 | push(@results, $res); |
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| 102 | } |
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| 103 | \@results; |
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| 104 | } |
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| 105 | |
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| 106 | =head1 AUTHOR |
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| 107 | |
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| 108 | Thauvin Olivier |
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| 109 | |
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| 110 | =head1 LICENSE |
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| 111 | |
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| 112 | This library is free software, you can redistribute it and/or modify |
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| 113 | it under the same terms as Perl itself or CeCILL. |
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| 114 | |
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| 115 | =cut |
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| 116 | |
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| 117 | 1; |
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