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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
#
# This Source Code Form is "Incompatible With Secondary Licenses", as
# defined by the Mozilla Public License, v. 2.0.
package Bugzilla::Extension::Voting;
use 5.10.1;
use strict;
use warnings;
use parent qw(Bugzilla::Extension);
use Bugzilla::Bug;
use Bugzilla::BugMail;
use Bugzilla::Constants;
use Bugzilla::Error;
use Bugzilla::Field;
use Bugzilla::Mailer;
use Bugzilla::User;
use Bugzilla::Util qw(detaint_natural);
use Bugzilla::Token;
use List::Util qw(min sum);
use constant VERSION => BUGZILLA_VERSION;
use constant DEFAULT_VOTES_PER_BUG => 1;
# These came from Bugzilla itself, so they maintain the old numbers
# they had before.
use constant CMT_POPULAR_VOTES => 3;
use constant REL_VOTER => 4;
################
# Installation #
################
BEGIN {
*Bugzilla::Bug::votes = \&votes;
}
sub votes {
my $self = shift;
my $dbh = Bugzilla->dbh;
return $self->{votes} if exists $self->{votes};
$self->{votes} = $dbh->selectrow_array('SELECT votes FROM bugs WHERE bug_id = ?',
undef, $self->id);
return $self->{votes};
}
sub db_schema_abstract_schema {
my ($self, $args) = @_;
$args->{'schema'}->{'votes'} = {
FIELDS => [
who => {TYPE => 'INT3', NOTNULL => 1,
REFERENCES => {TABLE => 'profiles',
COLUMN => 'userid',
DELETE => 'CASCADE'}},
bug_id => {TYPE => 'INT3', NOTNULL => 1,
REFERENCES => {TABLE => 'bugs',
COLUMN => 'bug_id',
DELETE => 'CASCADE'}},
vote_count => {TYPE => 'INT2', NOTNULL => 1},
],
INDEXES => [
votes_who_idx => ['who'],
votes_bug_id_idx => ['bug_id'],
],
};
}
sub install_update_db {
my $dbh = Bugzilla->dbh;
# Note that before Bugzilla 4.0, voting was a built-in part of Bugzilla,
# so updates to the columns for old versions of Bugzilla happen in
# Bugzilla::Install::DB, and can't safely be moved to this extension.
my $field = new Bugzilla::Field({ name => 'votes' });
if (!$field) {
Bugzilla::Field->create(
{ name => 'votes', description => 'Votes', buglist => 1 });
}
$dbh->bz_add_column('products', 'votesperuser',
{TYPE => 'INT2', NOTNULL => 1, DEFAULT => 0});
$dbh->bz_add_column('products', 'maxvotesperbug',
{TYPE => 'INT2', NOTNULL => 1, DEFAULT => DEFAULT_VOTES_PER_BUG});
$dbh->bz_add_column('products', 'votestoconfirm',
{TYPE => 'INT2', NOTNULL => 1, DEFAULT => 0});
$dbh->bz_add_column('bugs', 'votes',
{TYPE => 'INT3', NOTNULL => 1, DEFAULT => 0});
$dbh->bz_add_index('bugs', 'bugs_votes_idx', ['votes']);
# maxvotesperbug used to default to 10,000, which isn't very sensible.
my $per_bug = $dbh->bz_column_info('products', 'maxvotesperbug');
if ($per_bug->{DEFAULT} != DEFAULT_VOTES_PER_BUG) {
$dbh->bz_alter_column('products', 'maxvotesperbug',
{TYPE => 'INT2', NOTNULL => 1, DEFAULT => DEFAULT_VOTES_PER_BUG});
}
}
###########
# Objects #
###########
sub object_columns {
my ($self, $args) = @_;
my ($class, $columns) = @$args{qw(class columns)};
if ($class->isa('Bugzilla::Bug')) {
push(@$columns, 'votes');
}
elsif ($class->isa('Bugzilla::Product')) {
push(@$columns, qw(votesperuser maxvotesperbug votestoconfirm));
}
}
sub bug_fields {
my ($self, $args) = @_;
my $fields = $args->{fields};
push(@$fields, 'votes');
}
sub object_update_columns {
my ($self, $args) = @_;
my ($object, $columns) = @$args{qw(object columns)};
if ($object->isa('Bugzilla::Product')) {
push(@$columns, qw(votesperuser maxvotesperbug votestoconfirm));
}
}
sub object_validators {
my ($self, $args) = @_;
my ($class, $validators) = @$args{qw(class validators)};
if ($class->isa('Bugzilla::Product')) {
$validators->{'votesperuser'} = \&_check_votesperuser;
$validators->{'maxvotesperbug'} = \&_check_maxvotesperbug;
$validators->{'votestoconfirm'} = \&_check_votestoconfirm;
}
}
sub object_before_create {
my ($self, $args) = @_;
my ($class, $params) = @$args{qw(class params)};
if ($class->isa('Bugzilla::Bug')) {
# Don't ever allow people to directly specify "votes" into the bugs
# table.
delete $params->{votes};
}
elsif ($class->isa('Bugzilla::Product')) {
my $input = Bugzilla->input_params;
$params->{votesperuser} = $input->{'votesperuser'};
$params->{maxvotesperbug} = $input->{'maxvotesperbug'};
$params->{votestoconfirm} = $input->{'votestoconfirm'};
}
}
sub object_end_of_set_all {
my ($self, $args) = @_;
my ($object) = $args->{object};
if ($object->isa('Bugzilla::Product')) {
my $input = Bugzilla->input_params;
$object->set('votesperuser', $input->{'votesperuser'});
$object->set('maxvotesperbug', $input->{'maxvotesperbug'});
$object->set('votestoconfirm', $input->{'votestoconfirm'});
}
}
sub object_end_of_update {
my ($self, $args) = @_;
my ($object, $changes) = @$args{qw(object changes)};
if ( $object->isa('Bugzilla::Product')
and ($changes->{maxvotesperbug} or $changes->{votesperuser}
or $changes->{votestoconfirm}) )
{
_modify_bug_votes($object, $changes);
}
}
sub bug_end_of_update {
my ($self, $args) = @_;
my ($bug, $changes) = @$args{qw(bug changes)};
if ($changes->{'product'}) {
my @msgs;
# If some votes have been removed, RemoveVotes() returns
# a list of messages to send to voters.
@msgs = _remove_votes($bug->id, 0, 'votes_bug_moved');
_confirm_if_vote_confirmed($bug);
foreach my $msg (@msgs) {
MessageToMTA($msg);
}
}
}
#############
# Templates #
#############
sub template_before_create {
my ($self, $args) = @_;
my $config = $args->{config};
my $constants = $config->{CONSTANTS};
$constants->{REL_VOTER} = REL_VOTER;
$constants->{CMT_POPULAR_VOTES} = CMT_POPULAR_VOTES;
$constants->{DEFAULT_VOTES_PER_BUG} = DEFAULT_VOTES_PER_BUG;
}
sub template_before_process {
my ($self, $args) = @_;
my ($vars, $file) = @$args{qw(vars file)};
if ($file eq 'admin/users/confirm-delete.html.tmpl') {
my $who = $vars->{otheruser};
my $votes = Bugzilla->dbh->selectrow_array(
'SELECT COUNT(*) FROM votes WHERE who = ?', undef, $who->id);
if ($votes) {
$vars->{other_safe} = 1;
$vars->{votes} = $votes;
}
}
}
###########
# Bugmail #
###########
sub bugmail_recipients {
my ($self, $args) = @_;
my ($bug, $recipients) = @$args{qw(bug recipients)};
my $dbh = Bugzilla->dbh;
my $voters = $dbh->selectcol_arrayref(
"SELECT who FROM votes WHERE bug_id = ?", undef, $bug->id);
$recipients->{$_}->{+REL_VOTER} = 1 foreach (@$voters);
}
sub bugmail_relationships {
my ($self, $args) = @_;
my $relationships = $args->{relationships};
$relationships->{+REL_VOTER} = 'Voter';
}
###############
# Sanitycheck #
###############
sub sanitycheck_check {
my ($self, $args) = @_;
my $status = $args->{status};
# Vote Cache
$status->('voting_count_start');
my $dbh = Bugzilla->dbh;
my %cached_counts = @{ $dbh->selectcol_arrayref(
'SELECT bug_id, votes FROM bugs', {Columns=>[1,2]}) };
my %real_counts = @{ $dbh->selectcol_arrayref(
'SELECT bug_id, SUM(vote_count) FROM votes '
. $dbh->sql_group_by('bug_id'), {Columns=>[1,2]}) };
my $needs_rebuild;
foreach my $id (keys %cached_counts) {
my $cached_count = $cached_counts{$id};
my $real_count = $real_counts{$id} || 0;
if ($cached_count < 0) {
$status->('voting_count_alert', { id => $id }, 'alert');
}
elsif ($cached_count != $real_count) {
$status->('voting_cache_alert', { id => $id }, 'alert');
$needs_rebuild = 1;
}
}
$status->('voting_cache_rebuild_fix') if $needs_rebuild;
}
sub sanitycheck_repair {
my ($self, $args) = @_;
my $status = $args->{status};
my $input = Bugzilla->input_params;
my $dbh = Bugzilla->dbh;
return if !$input->{rebuild_vote_cache};
$status->('voting_cache_rebuild_start');
$dbh->bz_start_transaction();
$dbh->do('UPDATE bugs SET votes = 0');
my $sth = $dbh->prepare(
'SELECT bug_id, SUM(vote_count) FROM votes '
. $dbh->sql_group_by('bug_id'));
$sth->execute();
my $sth_update = $dbh->prepare(
'UPDATE bugs SET votes = ? WHERE bug_id = ?');
while (my ($id, $count) = $sth->fetchrow_array) {
$sth_update->execute($count, $id);
}
$dbh->bz_commit_transaction();
$status->('voting_cache_rebuild_end');
}
##############
# Validators #
##############
sub _check_votesperuser {
return _check_votes(0, @_);
}
sub _check_maxvotesperbug {
return _check_votes(DEFAULT_VOTES_PER_BUG, @_);
}
sub _check_votestoconfirm {
return _check_votes(0, @_);
}
# This subroutine is only used internally by other _check_votes_* validators.
sub _check_votes {
my ($default, $invocant, $votes, $field) = @_;
detaint_natural($votes) if defined $votes;
# On product creation, if the number of votes is not a valid integer,
# we silently fall back to the given default value.
# If the product already exists and the change is illegal, we complain.
if (!defined $votes) {
if (ref $invocant) {
ThrowUserError('voting_product_illegal_votes',
{ field => $field, votes => $_[2] });
}
else {
$votes = $default;
}
}
return $votes;
}
#########
# Pages #
#########
sub page_before_template {
my ($self, $args) = @_;
my $page = $args->{page_id};
my $vars = $args->{vars};
if ($page =~ m{^voting/bug\.}) {
_page_bug($vars);
}
elsif ($page =~ m{^voting/user\.}) {
_page_user($vars);
}
}
sub _page_bug {
my ($vars) = @_;
my $dbh = Bugzilla->dbh;
my $input = Bugzilla->input_params;
my $bug_id = $input->{bug_id};
my $bug = Bugzilla::Bug->check($bug_id);
$vars->{'bug'} = $bug;
$vars->{'users'} =
$dbh->selectall_arrayref('SELECT profiles.login_name,
profiles.userid AS id,
votes.vote_count
FROM votes
INNER JOIN profiles
ON profiles.userid = votes.who
WHERE votes.bug_id = ?',
{Slice=>{}}, $bug->id);
}
sub _page_user {
my ($vars) = @_;
my $dbh = Bugzilla->dbh;
my $user = Bugzilla->user;
my $input = Bugzilla->input_params;
my $action = $input->{action};
if ($action and $action eq 'vote') {
_update_votes($vars);
}
# If a bug_id is given, and we're editing, we'll add it to the votes list.
my $bug_id = $input->{bug_id};
my $bug = Bugzilla::Bug->check({ id => $bug_id, cache => 1 }) if $bug_id;
my $who_id = $input->{user_id} || $user->id;
# Logged-out users must specify a user_id.
Bugzilla->login(LOGIN_REQUIRED) if !$who_id;
my $who = Bugzilla::User->check({ id => $who_id });
my $canedit = $user->id == $who->id;
$dbh->bz_start_transaction();
if ($canedit && $bug) {
# Make sure there is an entry for this bug
# in the vote table, just so that things display right.
my $has_votes = $dbh->selectrow_array('SELECT vote_count FROM votes
WHERE bug_id = ? AND who = ?',
undef, ($bug->id, $who->id));
if (!$has_votes) {
$dbh->do('INSERT INTO votes (who, bug_id, vote_count)
VALUES (?, ?, 0)', undef, ($who->id, $bug->id));
}
}
my (@products, @all_bug_ids);
# Read the votes data for this user for each product.
foreach my $product (@{ $user->get_selectable_products }) {
next unless ($product->{votesperuser} > 0);
my $vote_list =
$dbh->selectall_arrayref('SELECT votes.bug_id, votes.vote_count
FROM votes
INNER JOIN bugs
ON votes.bug_id = bugs.bug_id
WHERE votes.who = ?
AND bugs.product_id = ?',
undef, ($who->id, $product->id));
my %votes = map { $_->[0] => $_->[1] } @$vote_list;
my @bug_ids = sort keys %votes;
# Exclude bugs that the user can no longer see.
@bug_ids = @{ $user->visible_bugs(\@bug_ids) };
next unless scalar @bug_ids;
push(@all_bug_ids, @bug_ids);
my @bugs = @{ Bugzilla::Bug->new_from_list(\@bug_ids) };
$_->{count} = $votes{$_->id} foreach @bugs;
# We include votes from bugs that the user can no longer see.
my $total = sum(values %votes) || 0;
my $onevoteonly = 0;
$onevoteonly = 1 if (min($product->{votesperuser},
$product->{maxvotesperbug}) == 1);
push(@products, { name => $product->name,
bugs => \@bugs,
bug_ids => \@bug_ids,
onevoteonly => $onevoteonly,
total => $total,
maxvotes => $product->{votesperuser},
maxperbug => $product->{maxvotesperbug} });
}
if ($canedit && $bug) {
$dbh->do('DELETE FROM votes WHERE vote_count = 0 AND who = ?',
undef, $who->id);
}
$dbh->bz_commit_transaction();
$vars->{'canedit'} = $canedit;
$vars->{'voting_user'} = { "login" => $who->name };
$vars->{'products'} = \@products;
$vars->{'this_bug'} = $bug;
$vars->{'all_bug_ids'} = \@all_bug_ids;
}
sub _update_votes {
my ($vars) = @_;
############################################################################
# Begin Data/Security Validation
############################################################################
my $cgi = Bugzilla->cgi;
my $dbh = Bugzilla->dbh;
my $template = Bugzilla->template;
my $user = Bugzilla->login(LOGIN_REQUIRED);
my $input = Bugzilla->input_params;
# Build a list of bug IDs for which votes have been submitted. Votes
# are submitted in form fields in which the field names are the bug
# IDs and the field values are the number of votes.
my @buglist = grep {/^\d+$/} keys %$input;
my (%bugs, %votes);
# If no bugs are in the buglist, let's make sure the user gets notified
# that their votes will get nuked if they continue.
if (scalar(@buglist) == 0) {
if (!defined $cgi->param('delete_all_votes')) {
print $cgi->header();
$template->process("voting/delete-all.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
exit;
}
elsif ($cgi->param('delete_all_votes') == 0) {
print $cgi->redirect("page.cgi?id=voting/user.html");
exit;
}
}
else {
$user->visible_bugs(\@buglist);
my $bugs_obj = Bugzilla::Bug->new_from_list(\@buglist);
$bugs{$_->id} = $_ foreach @$bugs_obj;
}
# Call check_is_visible() on each bug to make sure it is an existing bug
# that the user is authorized to access, and make sure the number of votes
# submitted is also an integer.
foreach my $id (@buglist) {
my $bug = $bugs{$id}
or ThrowUserError('bug_id_does_not_exist', { bug_id => $id });
$bug->check_is_visible;
$id = $bug->id;
$votes{$id} = $input->{$id};
detaint_natural($votes{$id})
|| ThrowUserError("voting_must_be_nonnegative");
}
my $token = $cgi->param('token');
check_hash_token($token, ['vote']);
############################################################################
# End Data/Security Validation
############################################################################
my $who = $user->id;
# If the user is voting for bugs, make sure they aren't overstuffing
# the ballot box.
if (scalar @buglist) {
my (%prodcount, %products);
foreach my $bug_id (keys %bugs) {
my $bug = $bugs{$bug_id};
my $prod = $bug->product;
$products{$prod} ||= $bug->product_obj;
$prodcount{$prod} ||= 0;
$prodcount{$prod} += $votes{$bug_id};
# Make sure we haven't broken the votes-per-bug limit
($votes{$bug_id} <= $products{$prod}->{maxvotesperbug})
|| ThrowUserError("voting_too_many_votes_for_bug",
{max => $products{$prod}->{maxvotesperbug},
product => $prod,
votes => $votes{$bug_id}});
}
# Make sure we haven't broken the votes-per-product limit
foreach my $prod (keys(%prodcount)) {
($prodcount{$prod} <= $products{$prod}->{votesperuser})
|| ThrowUserError("voting_too_many_votes_for_product",
{max => $products{$prod}->{votesperuser},
product => $prod,
votes => $prodcount{$prod}});
}
}
# Update the user's votes in the database.
$dbh->bz_start_transaction();
my $old_list = $dbh->selectall_arrayref('SELECT bug_id, vote_count FROM votes
WHERE who = ?', undef, $who);
my %old_votes = map { $_->[0] => $_->[1] } @$old_list;
my $sth_insertVotes = $dbh->prepare('INSERT INTO votes (who, bug_id, vote_count)
VALUES (?, ?, ?)');
my $sth_updateVotes = $dbh->prepare('UPDATE votes SET vote_count = ?
WHERE bug_id = ? AND who = ?');
my %affected = map { $_ => 1 } (@buglist, keys %old_votes);
my @deleted_votes;
foreach my $id (keys %affected) {
if (!$votes{$id}) {
push(@deleted_votes, $id);
next;
}
if ($votes{$id} == ($old_votes{$id} || 0)) {
delete $affected{$id};
next;
}
# We use 'defined' in case 0 was accidentally stored in the DB.
if (defined $old_votes{$id}) {
$sth_updateVotes->execute($votes{$id}, $id, $who);
}
else {
$sth_insertVotes->execute($who, $id, $votes{$id});
}
}
if (@deleted_votes) {
$dbh->do('DELETE FROM votes WHERE who = ? AND ' .
$dbh->sql_in('bug_id', \@deleted_votes), undef, $who);
}
# Update the cached values in the bugs table
my @updated_bugs = ();
my $sth_getVotes = $dbh->prepare("SELECT SUM(vote_count) FROM votes
WHERE bug_id = ?");
$sth_updateVotes = $dbh->prepare('UPDATE bugs SET votes = ? WHERE bug_id = ?');
foreach my $id (keys %affected) {
$sth_getVotes->execute($id);
my $v = $sth_getVotes->fetchrow_array || 0;
$sth_updateVotes->execute($v, $id);
$bugs{$id}->{votes} = $v if $bugs{$id};
my $confirmed = _confirm_if_vote_confirmed($bugs{$id} || $id);
push (@updated_bugs, $id) if $confirmed;
}
$dbh->bz_commit_transaction();
print $cgi->header() if scalar @updated_bugs;
$vars->{'type'} = "votes";
$vars->{'title_tag'} = 'change_votes';
foreach my $bug_id (@updated_bugs) {
$vars->{'id'} = $bug_id;
$vars->{'sent_bugmail'} =
Bugzilla::BugMail::Send($bug_id, { 'changer' => $user });
$template->process("bug/process/results.html.tmpl", $vars)
|| ThrowTemplateError($template->error());
# Set header_done to 1 only after the first bug.
$vars->{'header_done'} = 1;
}
$vars->{'message'} = 'votes_recorded';
}
######################
# Helper Subroutines #
######################
sub _modify_bug_votes {
my ($product, $changes) = @_;
my $dbh = Bugzilla->dbh;
my @msgs;
# 1. too many votes for a single user on a single bug.
my @toomanyvotes_list;
if ($product->{maxvotesperbug} < $product->{votesperuser}) {
my $votes = $dbh->selectall_arrayref(
'SELECT votes.who, votes.bug_id
FROM votes
INNER JOIN bugs ON bugs.bug_id = votes.bug_id
WHERE bugs.product_id = ?
AND votes.vote_count > ?',
undef, ($product->id, $product->{maxvotesperbug}));
foreach my $vote (@$votes) {
my ($who, $id) = (@$vote);
# If some votes are removed, _remove_votes() returns a list
# of messages to send to voters.
push(@msgs, _remove_votes($id, $who, 'votes_too_many_per_bug'));
my $name = Bugzilla::User->new($who)->login;
push(@toomanyvotes_list, {id => $id, name => $name});
}
}
$changes->{'_too_many_votes'} = \@toomanyvotes_list;
# 2. too many total votes for a single user.
# This part doesn't work in the general case because _remove_votes
# doesn't enforce votesperuser (except per-bug when it's less
# than maxvotesperbug). See _remove_votes().
my $votes = $dbh->selectall_arrayref(
'SELECT votes.who, votes.vote_count
FROM votes
INNER JOIN bugs ON bugs.bug_id = votes.bug_id
WHERE bugs.product_id = ?',
undef, $product->id);
my %counts;
foreach my $vote (@$votes) {
my ($who, $count) = @$vote;
if (!defined $counts{$who}) {
$counts{$who} = $count;
} else {
$counts{$who} += $count;
}
}
my @toomanytotalvotes_list;
foreach my $who (keys(%counts)) {
if ($counts{$who} > $product->{votesperuser}) {
my $bug_ids = $dbh->selectcol_arrayref(
'SELECT votes.bug_id
FROM votes
INNER JOIN bugs ON bugs.bug_id = votes.bug_id
WHERE bugs.product_id = ?
AND votes.who = ?',
undef, $product->id, $who);
my $name = Bugzilla::User->new($who)->login;
foreach my $bug_id (@$bug_ids) {
# _remove_votes returns a list of messages to send
# in case some voters had too many votes.
push(@msgs, _remove_votes($bug_id, $who,
'votes_too_many_per_user'));
push(@toomanytotalvotes_list, {id => $bug_id, name => $name});
}
}
}
$changes->{'_too_many_total_votes'} = \@toomanytotalvotes_list;
# 3. enough votes to confirm
my $bug_list = $dbh->selectcol_arrayref(
'SELECT bug_id FROM bugs
WHERE product_id = ? AND bug_status = ? AND votes >= ?',
undef, ($product->id, 'UNCONFIRMED', $product->{votestoconfirm}));
my @updated_bugs;
foreach my $bug_id (@$bug_list) {
my $confirmed = _confirm_if_vote_confirmed($bug_id);
push (@updated_bugs, $bug_id) if $confirmed;
}
$changes->{'_confirmed_bugs'} = \@updated_bugs;
# Now that changes are done, we can send emails to voters.
foreach my $msg (@msgs) {
MessageToMTA($msg);
}
# And send out emails about changed bugs
foreach my $bug_id (@updated_bugs) {
my $sent_bugmail = Bugzilla::BugMail::Send(
$bug_id, { changer => Bugzilla->user });
$changes->{'_confirmed_bugs_sent_bugmail'}->{$bug_id} = $sent_bugmail;
}
}
# If a bug is moved to a product which allows less votes per bug
# compared to the previous product, extra votes need to be removed.
sub _remove_votes {
my ($id, $who, $reason) = (@_);
my $dbh = Bugzilla->dbh;
my $whopart = ($who) ? " AND votes.who = $who" : "";
my $sth = $dbh->prepare("SELECT profiles.login_name, " .
"profiles.userid, votes.vote_count, " .
"products.votesperuser, products.maxvotesperbug " .
"FROM profiles " .
"LEFT JOIN votes ON profiles.userid = votes.who " .
"LEFT JOIN bugs ON votes.bug_id = bugs.bug_id " .
"LEFT JOIN products ON products.id = bugs.product_id " .
"WHERE votes.bug_id = ? " . $whopart);
$sth->execute($id);
my @list;
while (my ($name, $userid, $oldvotes, $votesperuser, $maxvotesperbug) = $sth->fetchrow_array()) {
push(@list, [$name, $userid, $oldvotes, $votesperuser, $maxvotesperbug]);
}
# @messages stores all emails which have to be sent, if any.
# This array is passed to the caller which will send these emails itself.
my @messages = ();
if (scalar(@list)) {
foreach my $ref (@list) {
my ($name, $userid, $oldvotes, $votesperuser, $maxvotesperbug) = (@$ref);
$maxvotesperbug = min($votesperuser, $maxvotesperbug);
# If this product allows voting and the user's votes are in
# the acceptable range, then don't do anything.
next if $votesperuser && $oldvotes <= $maxvotesperbug;
# If the user has more votes on this bug than this product
# allows, then reduce the number of votes so it fits
my $newvotes = $maxvotesperbug;
my $removedvotes = $oldvotes - $newvotes;
if ($newvotes) {
$dbh->do("UPDATE votes SET vote_count = ? " .
"WHERE bug_id = ? AND who = ?",
undef, ($newvotes, $id, $userid));
} else {
$dbh->do("DELETE FROM votes WHERE bug_id = ? AND who = ?",
undef, ($id, $userid));
}
# Notice that we did not make sure that the user fit within the $votesperuser
# range. This is considered to be an acceptable alternative to losing votes
# during product moves. Then next time the user attempts to change their votes,
# they will be forced to fit within the $votesperuser limit.
# Now lets send the e-mail to alert the user to the fact that their votes have
# been reduced or removed.
my $vars = {
'to' => $name . Bugzilla->params->{'emailsuffix'},
'bugid' => $id,
'reason' => $reason,
'votesremoved' => $removedvotes,
'votesold' => $oldvotes,
'votesnew' => $newvotes,
};
my $voter = new Bugzilla::User($userid);
my $template = Bugzilla->template_inner($voter->setting('lang'));
my $msg;
$template->process("voting/votes-removed.txt.tmpl", $vars, \$msg);
push(@messages, $msg);
}
my $votes = $dbh->selectrow_array("SELECT SUM(vote_count) " .
"FROM votes WHERE bug_id = ?",
undef, $id) || 0;
$dbh->do("UPDATE bugs SET votes = ? WHERE bug_id = ?",
undef, ($votes, $id));
}
# Now return the array containing emails to be sent.
return @messages;
}
# If a user votes for a bug, or the number of votes required to
# confirm a bug has been reduced, check if the bug is now confirmed.
sub _confirm_if_vote_confirmed {
my $id = shift;
my $bug = ref $id ? $id : new Bugzilla::Bug({ id => $id, cache => 1 });
my $ret = 0;
if (!$bug->everconfirmed
and $bug->product_obj->{votestoconfirm}
and $bug->votes >= $bug->product_obj->{votestoconfirm})
{
$bug->add_comment('', { type => CMT_POPULAR_VOTES });
if ($bug->bug_status eq 'UNCONFIRMED') {
# Get a valid open state.
my $new_status;
foreach my $state (@{$bug->status->can_change_to}) {
if ($state->is_open && $state->name ne 'UNCONFIRMED') {
$new_status = $state->name;
last;
}
}
ThrowCodeError('voting_no_open_bug_status') unless $new_status;
# We cannot call $bug->set_bug_status() here, because a user without
# canconfirm privs should still be able to confirm a bug by
# popular vote. We already know the new status is valid, so it's safe.
$bug->{bug_status} = $new_status;
$bug->{everconfirmed} = 1;
delete $bug->{'status'}; # Contains the status object.
}
else {
# If the bug is in a closed state, only set everconfirmed to 1.
# Do not call $bug->_set_everconfirmed(), for the same reason as above.
$bug->{everconfirmed} = 1;
}
$bug->update();
$ret = 1;
}
return $ret;
}
__PACKAGE__->NAME;