1 files changed, 149 insertions, 0 deletions
diff --git a/rt/lib/RT/Shredder/Dependencies.pm b/rt/lib/RT/Shredder/Dependencies.pm
new file mode 100644
index 000000000..c4ba94ce5
--- /dev/null
+++ b/rt/lib/RT/Shredder/Dependencies.pm
@@ -0,0 +1,149 @@
+# BEGIN BPS TAGGED BLOCK {{{
+# 
+# COPYRIGHT:
+# 
+# This software is Copyright (c) 1996-2009 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+# (Except where explicitly superseded by other copyright notices)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., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301 or visit their web page on the internet at
+# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
+# 
+# 
+# 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 }}}
+
+package RT::Shredder::Dependencies;
+
+use strict;
+use RT::Shredder::Exceptions;
+use RT::Shredder::Constants;
+use RT::Shredder::Dependency;
+use RT::Record;
+
+
+
+=head1 METHODS
+
+=head2 new
+
+Creates new empty collection of dependecies.
+
+=cut
+
+sub new
+{
+    my $proto = shift;
+    my $self = bless( {}, ref $proto || $proto );
+    $self->{'list'} = [];
+    return $self;
+}
+
+=head2 _PushDependencies
+
+Put in objects into collection.
+Takes
+BaseObject - any supported object of RT::Record subclass;
+Flags - flags that describe relationship between target and base objects;
+TargetObjects - any of RT::SearchBuilder or RT::Record subclassed objects
+or array ref on list of this objects;
+Shredder - RT::Shredder object.
+
+SeeAlso: _PushDependecy, RT::Shredder::Dependency
+
+=cut
+
+sub _PushDependencies
+{
+    my $self = shift;
+    my %args = ( TargetObjects => undef, Shredder => undef, @_ );
+    my @objs = $args{'Shredder'}->CastObjectsToRecords( Objects => delete $args{'TargetObjects'} );
+    $self->_PushDependency( %args, TargetObject => $_ ) foreach @objs;
+    return;
+}
+
+sub _PushDependency
+{
+    my $self = shift;
+    my %args = (
+            BaseObject => undef,
+            Flags => undef,
+            TargetObject => undef,
+            Shredder => undef,
+            @_
+           );
+    my $rec = $args{'Shredder'}->PutObject( Object => $args{'TargetObject'} );
+    return if $rec->{'State'} & WIPED; # there is no object anymore
+
+    push @{ $self->{'list'} },
+        RT::Shredder::Dependency->new(
+            BaseObject => $args{'BaseObject'},
+            Flags => $args{'Flags'},
+            TargetObject => $rec->{'Object'},
+        );
+
+    if( scalar @{ $self->{'list'} } > ( $RT::DependenciesLimit || 1000 ) ) {
+        RT::Shredder::Exception::Info->throw( 'DependenciesLimit' );
+    }
+    return;
+}
+
+=head2 List
+
+
+=cut
+
+sub List
+{
+    my $self = shift;
+    my %args = (
+        WithFlags => undef,
+        WithoutFlags => undef,
+        Callback => undef,
+        @_
+    );
+
+    my $wflags = delete $args{'WithFlags'};
+    my $woflags = delete $args{'WithoutFlags'};
+
+    return
+        map $args{'Callback'}? $args{'Callback'}->($_): $_,
+        grep !defined( $wflags ) || ($_->Flags & $wflags) == $wflags,
+        grep !defined( $woflags ) || !($_->Flags & $woflags),
+        @{ $self->{'list'} };
+}
+
+1;