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+# BEGIN BPS TAGGED BLOCK {{{
+#
+# COPYRIGHT:
+#
+# This software is Copyright (c) 1996-2005 Best Practical Solutions, LLC
+# <jesse@bestpractical.com>
+#
+# (Except where explicitly superseded by other copyright notices)
+#
+#
+# LICENSE:
+#
+# This work is made available to you under the terms of Version 2 of
+# the GNU General Public License. A copy of that license should have
+# been provided with this software, but in any event can be snarfed
+# from www.gnu.org.
+#
+# This work is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+#
+# CONTRIBUTION SUBMISSION POLICY:
+#
+# (The following paragraph is not intended to limit the rights granted
+# to you to modify and distribute this software under the terms of
+# the GNU General Public License and is only of importance to you if
+# you choose to contribute your changes and enhancements to the
+# community by submitting them to Best Practical Solutions, LLC.)
+#
+# By intentionally submitting any modifications, corrections or
+# derivatives to this work, or any other work intended for use with
+# Request Tracker, to Best Practical Solutions, LLC, you confirm that
+# you are the copyright holder for those contributions and you grant
+# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
+# royalty-free, perpetual, license to use, copy, create derivative
+# works based on those contributions, and sublicense and distribute
+# those contributions and any derivatives thereof.
+#
+# END BPS TAGGED BLOCK }}}
+
+=head1 NAME
+
+ RT::Links - A collection of Link objects
+
+=head1 SYNOPSIS
+
+ use RT::Links;
+ my $links = new RT::Links($CurrentUser);
+
+=head1 DESCRIPTION
+
+
+=head1 METHODS
+
+
+=begin testing
+
+ok (require RT::Links);
+
+=end testing
+
+=cut
+
+
+package RT::Links;
+
+use strict;
+no warnings qw(redefine);
+use RT::URI;
+
+# {{{ sub Limit
+sub Limit {
+ my $self = shift;
+ my %args = ( ENTRYAGGREGATOR => 'AND',
+ OPERATOR => '=',
+ @_);
+
+ #if someone's trying to search for tickets, try to resolve the uris for searching.
+
+ if ( ( $args{'OPERATOR'} eq '=') and
+ ( $args{'FIELD'} eq 'Base') or ($args{'FIELD'} eq 'Target')
+ ) {
+ my $dummy = RT::URI->new($self->CurrentUser);
+ $dummy->FromURI($args{'VALUE'});
+ # $uri = $dummy->URI;
+ }
+
+
+ # If we're limiting by target, order by base
+ # (Order by the thing that's changing)
+
+ if ( ($args{'FIELD'} eq 'Target') or
+ ($args{'FIELD'} eq 'LocalTarget') ) {
+ $self->OrderBy (ALIAS => 'main',
+ FIELD => 'Base',
+ ORDER => 'ASC');
+ }
+ elsif ( ($args{'FIELD'} eq 'Base') or
+ ($args{'FIELD'} eq 'LocalBase') ) {
+ $self->OrderBy (ALIAS => 'main',
+ FIELD => 'Target',
+ ORDER => 'ASC');
+ }
+
+
+ $self->SUPER::Limit(%args);
+}
+# }}}
+
+# {{{ LimitRefersTo
+
+=head2 LimitRefersTo URI
+
+find all things that refer to URI
+
+=cut
+
+sub LimitRefersTo {
+ my $self = shift;
+ my $URI = shift;
+
+ $self->Limit(FIELD => 'Type', VALUE => 'RefersTo');
+ $self->Limit(FIELD => 'Target', VALUE => $URI);
+}
+
+# }}}
+# {{{ LimitReferredToBy
+
+=head2 LimitReferredToBy URI
+
+find all things that URI refers to
+
+=cut
+
+sub LimitReferredToBy {
+ my $self = shift;
+ my $URI = shift;
+
+ $self->Limit(FIELD => 'Type', VALUE => 'RefersTo');
+ $self->Limit(FIELD => 'Base', VALUE => $URI);
+}
+
+# }}}
+
+
+# {{{ Next
+sub Next {
+ my $self = shift;
+
+ my $Link = $self->SUPER::Next();
+ if ((defined($Link)) and (ref($Link))) {
+ # Skip links to local objects thast are deleted
+ if ($Link->TargetURI->IsLocal and UNIVERSAL::isa($Link->TargetObj,"RT::Ticket")
+ and $Link->TargetObj->__Value('status') eq "deleted") {
+ return $self->Next;
+ } elsif ($Link->BaseURI->IsLocal and UNIVERSAL::isa($Link->BaseObj,"RT::Ticket")
+ and $Link->BaseObj->__Value('status') eq "deleted") {
+ return $self->Next;
+ } else {
+ return $Link;
+ }
+ } else {
+ return undef;
+ }
+}
+
+# }}}
+1;
+