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# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Frédéric Buclin.
# Portions created by Frédéric Buclin are Copyright (C) 2007
# Frédéric Buclin. All Rights Reserved.
#
# Contributor(s): Frédéric Buclin <LpSolit@gmail.com>
use strict;
package Bugzilla::Status;
use base qw(Bugzilla::Object);
################################
##### Initialization #####
################################
use constant DB_TABLE => 'bug_status';
use constant DB_COLUMNS => qw(
id
value
sortkey
isactive
is_open
);
use constant NAME_FIELD => 'value';
use constant LIST_ORDER => 'sortkey, value';
###############################
##### Accessors ####
###############################
sub name { return $_[0]->{'value'}; }
sub sortkey { return $_[0]->{'sortkey'}; }
sub is_active { return $_[0]->{'isactive'}; }
sub is_open { return $_[0]->{'is_open'}; }
###############################
##### Methods ####
###############################
sub closed_bug_statuses {
my @bug_statuses = Bugzilla::Status->get_all;
@bug_statuses = grep { !$_->is_open } @bug_statuses;
return @bug_statuses;
}
sub can_change_to {
my $self = shift;
my $dbh = Bugzilla->dbh;
if (!ref($self) || !defined $self->{'can_change_to'}) {
my ($cond, @args, $self_exists);
if (ref($self)) {
$cond = '= ?';
push(@args, $self->id);
$self_exists = 1;
}
else {
$cond = 'IS NULL';
# Let's do it so that the code below works in all cases.
$self = {};
}
my $new_status_ids = $dbh->selectcol_arrayref("SELECT new_status
FROM status_workflow
INNER JOIN bug_status
ON id = new_status
WHERE isactive = 1
AND old_status $cond",
undef, @args);
# Allow the bug status to remain unchanged.
push(@$new_status_ids, $self->id) if $self_exists;
$self->{'can_change_to'} = Bugzilla::Status->new_from_list($new_status_ids);
}
return $self->{'can_change_to'};
}
sub can_change_from {
my $self = shift;
my $dbh = Bugzilla->dbh;
if (!defined $self->{'can_change_from'}) {
my $old_status_ids = $dbh->selectcol_arrayref('SELECT old_status
FROM status_workflow
INNER JOIN bug_status
ON id = old_status
WHERE isactive = 1
AND new_status = ?
AND old_status IS NOT NULL',
undef, $self->id);
# Allow the bug status to remain unchanged.
push(@$old_status_ids, $self->id);
$self->{'can_change_from'} = Bugzilla::Status->new_from_list($old_status_ids);
}
return $self->{'can_change_from'};
}
sub add_missing_bug_status_transitions {
my $bug_status = shift || Bugzilla->params->{'duplicate_or_move_bug_status'};
my $dbh = Bugzilla->dbh;
my $new_status = new Bugzilla::Status({name => $bug_status});
# Silently discard invalid bug statuses.
$new_status || return;
my $missing_statuses = $dbh->selectcol_arrayref('SELECT id
FROM bug_status
LEFT JOIN status_workflow
ON old_status = id
AND new_status = ?
WHERE old_status IS NULL',
undef, $new_status->id);
my $sth = $dbh->prepare('INSERT INTO status_workflow
(old_status, new_status) VALUES (?, ?)');
foreach my $old_status_id (@$missing_statuses) {
next if ($old_status_id == $new_status->id);
$sth->execute($old_status_id, $new_status->id);
}
}
1;
__END__
=head1 NAME
Bugzilla::Status - Bug status class.
=head1 SYNOPSIS
use Bugzilla::Status;
my $bug_status = new Bugzilla::Status({name => 'ASSIGNED'});
my $bug_status = new Bugzilla::Status(4);
my @closed_bug_statuses = Bugzilla::Status::closed_bug_statuses();
Bugzilla::Status::add_missing_bug_status_transitions($bug_status);
=head1 DESCRIPTION
Status.pm represents a bug status object. It is an implementation
of L<Bugzilla::Object>, and thus provides all methods that
L<Bugzilla::Object> provides.
The methods that are specific to C<Bugzilla::Status> are listed
below.
=head1 METHODS
=over
=item C<closed_bug_statuses>
Description: Returns a list of C<Bugzilla::Status> objects which can have
a resolution associated with them ("closed" bug statuses).
Params: none.
Returns: A list of Bugzilla::Status objects.
=item C<can_change_to>
Description: Returns the list of active statuses a bug can be changed to
given the current bug status. If this method is called as a
class method, then it returns all bug statuses available on
bug creation.
Params: none.
Returns: A list of Bugzilla::Status objects.
=item C<can_change_from>
Description: Returns the list of active statuses a bug can be changed from
given the new bug status. If the bug status is available on
bug creation, this method doesn't return this information.
You have to call C<can_change_to> instead.
Params: none.
Returns: A list of Bugzilla::Status objects.
=item C<add_missing_bug_status_transitions>
Description: Insert all missing transitions to a given bug status.
Params: $bug_status - The value (name) of a bug status.
Returns: nothing.
=back
=cut
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