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package RT::Shredder::Plugin::Tickets;

use strict;
use warnings FATAL => 'all';
use base qw(RT::Shredder::Plugin::Base::Search);

=head1 NAME

RT::Shredder::Plugin::Tickets - search plugin for wiping tickets.

=head1 ARGUMENTS

=head2 query - query string

Search tickets with query string.
Examples:
  Queue = 'my queue' AND ( Status = 'deleted' OR Status = 'rejected' )
  LastUpdated < '2003-12-31 23:59:59'

B<Hint:> You can construct query with the query builder in RT's web
interface and then open advanced page and copy query string.

Arguments C<queue>, C<status> and C<updated_before> have been dropped
as you can easy make the same search with the C<query> option.
See examples above.

=head2 with_linked - boolen

Deletes all tickets that are linked to tickets that match L<query>.

=head2 apply_query_to_linked - boolean

Delete linked tickets only if those too match L<query>.

See also L<with_linked>.

=cut

sub SupportArgs { return $_[0]->SUPER::SupportArgs, qw(query with_linked apply_query_to_linked) }

sub TestArgs
{
    my $self = shift;
    my %args = @_;
    my $queue;
    if( $args{'query'} ) {
        my $objs = RT::Tickets->new( RT->SystemUser );
        $objs->{'allow_deleted_search'} = 1;
        my ($status, $msg) = $objs->FromSQL( $args{'query'} );
        return( 0, "Bad query argument, error: $msg" ) unless $status;
        $self->{'opt'}{'objects'} = $objs;
    }
    $args{'with_linked'} = 1 if $args{'apply_query_to_linked'};

    return $self->SUPER::TestArgs( %args );
}

sub Run
{
    my $self = shift;
    my $objs = $self->{'opt'}{'objects'}
        or return (1, undef);

    $objs->OrderByCols( { FIELD => 'id', ORDER => 'ASC' } );
    unless ( $self->{'opt'}{'with_linked'} ) {
        if( $self->{'opt'}{'limit'} ) {
            $objs->RowsPerPage( $self->{'opt'}{'limit'} );
        }
        return (1, $objs);
    }

    my (@top, @linked, %seen);
    $self->FetchNext($objs, 1);
    while ( my $obj = $self->FetchNext( $objs ) ) {
        next if $seen{ $obj->id }++;
        push @linked, $self->GetLinked( Object => $obj, Seen => \%seen );
        push @top, $obj;
        last if $self->{'opt'}{'limit'}
                && @top >= $self->{'opt'}{'limit'};
    }
    return (1, @top, @linked);
}

sub GetLinked
{
    my $self = shift;
    my %arg = @_;
    my @res = ();
    my $query = 'Linked = '. $arg{'Object'}->id;
    if ( $self->{'opt'}{'apply_query_to_linked'} ) {
        $query .= " AND ( ". $self->{'opt'}{'query'} ." )";
    }
    my $objs = RT::Tickets->new( RT->SystemUser );
    $objs->{'allow_deleted_search'} = 1;
    $objs->FromSQL( $query );
    $self->FetchNext( $objs, 1 );
    while ( my $linked_obj = $self->FetchNext( $objs ) ) {
        next if $arg{'Seen'}->{ $linked_obj->id }++;
        push @res, $self->GetLinked( %arg, Object => $linked_obj );
        push @res, $linked_obj;
    }
    return @res;
}

1;
