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+# 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+# (Except where explicitly superseded by other copyright notices)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 }}}
+
+=head1 NAME
+
+ RT::Groups - a collection of RT::Group objects
+
+=head1 SYNOPSIS
+
+ use RT::Groups;
+ my $groups = RT::Groups->new($CurrentUser);
+ $groups->UnLimit();
+ while (my $group = $groups->Next()) {
+ print $group->Id ." is a group id\n";
+ }
+
+=head1 DESCRIPTION
+
+
+=head1 METHODS
+
+
+
+=cut
+
+
+package RT::Groups;
+
+use strict;
+no warnings qw(redefine);
+
+use RT::Users;
+
+# XXX: below some code is marked as subject to generalize in Groups, Users classes.
+# RUZ suggest name Principals::Generic or Principals::Base as abstract class, but
+# Jesse wants something that doesn't imply it's a Principals.pm subclass.
+# See comments below for candidats.
+
+
+# {{{ sub _Init
+
+sub _Init {
+ my $self = shift;
+ $self->{'table'} = "Groups";
+ $self->{'primary_key'} = "id";
+ $self->{'with_disabled_column'} = 1;
+
+ my @result = $self->SUPER::_Init(@_);
+
+ $self->OrderBy( ALIAS => 'main',
+ FIELD => 'Name',
+ ORDER => 'ASC');
+
+ # XXX: this code should be generalized
+ $self->{'princalias'} = $self->Join(
+ ALIAS1 => 'main',
+ FIELD1 => 'id',
+ TABLE2 => 'Principals',
+ FIELD2 => 'id'
+ );
+
+ # even if this condition is useless and ids in the Groups table
+ # only match principals with type 'Group' this could speed up
+ # searches in some DBs.
+ $self->Limit( ALIAS => $self->{'princalias'},
+ FIELD => 'PrincipalType',
+ VALUE => 'Group',
+ );
+
+ return (@result);
+}
+# }}}
+
+=head2 PrincipalsAlias
+
+Returns the string that represents this Users object's primary "Principals" alias.
+
+=cut
+
+# XXX: should be generalized, code duplication
+sub PrincipalsAlias {
+ my $self = shift;
+ return($self->{'princalias'});
+
+}
+
+
+# {{{ LimitToSystemInternalGroups
+
+=head2 LimitToSystemInternalGroups
+
+Return only SystemInternal Groups, such as "privileged" "unprivileged" and "everyone"
+
+=cut
+
+
+sub LimitToSystemInternalGroups {
+ my $self = shift;
+ $self->Limit(FIELD => 'Domain', OPERATOR => '=', VALUE => 'SystemInternal');
+ # All system internal groups have the same instance. No reason to limit down further
+ #$self->Limit(FIELD => 'Instance', OPERATOR => '=', VALUE => '0');
+}
+
+
+# }}}
+
+# {{{ LimitToUserDefinedGroups
+
+=head2 LimitToUserDefinedGroups
+
+Return only UserDefined Groups
+
+=cut
+
+
+sub LimitToUserDefinedGroups {
+ my $self = shift;
+ $self->Limit(FIELD => 'Domain', OPERATOR => '=', VALUE => 'UserDefined');
+ # All user-defined groups have the same instance. No reason to limit down further
+ #$self->Limit(FIELD => 'Instance', OPERATOR => '=', VALUE => '');
+}
+
+
+# }}}
+
+# {{{ LimitToPersonalGroupsFor
+
+=head2 LimitToPersonalGroupsFor PRINCIPAL_ID
+
+Return only Personal Groups for the user whose principal id
+is PRINCIPAL_ID
+
+=cut
+
+
+sub LimitToPersonalGroupsFor {
+ my $self = shift;
+ my $princ = shift;
+
+ $self->Limit(FIELD => 'Domain', OPERATOR => '=', VALUE => 'Personal');
+ $self->Limit( FIELD => 'Instance',
+ OPERATOR => '=',
+ VALUE => $princ);
+}
+
+
+# }}}
+
+# {{{ LimitToRolesForQueue
+
+=head2 LimitToRolesForQueue QUEUE_ID
+
+Limits the set of groups found to role groups for queue QUEUE_ID
+
+=cut
+
+sub LimitToRolesForQueue {
+ my $self = shift;
+ my $queue = shift;
+ $self->Limit(FIELD => 'Domain', OPERATOR => '=', VALUE => 'RT::Queue-Role');
+ $self->Limit(FIELD => 'Instance', OPERATOR => '=', VALUE => $queue);
+}
+
+# }}}
+
+# {{{ LimitToRolesForTicket
+
+=head2 LimitToRolesForTicket Ticket_ID
+
+Limits the set of groups found to role groups for Ticket Ticket_ID
+
+=cut
+
+sub LimitToRolesForTicket {
+ my $self = shift;
+ my $Ticket = shift;
+ $self->Limit(FIELD => 'Domain', OPERATOR => '=', VALUE => 'RT::Ticket-Role');
+ $self->Limit(FIELD => 'Instance', OPERATOR => '=', VALUE => '$Ticket');
+}
+
+# }}}
+
+# {{{ LimitToRolesForSystem
+
+=head2 LimitToRolesForSystem System_ID
+
+Limits the set of groups found to role groups for System System_ID
+
+=cut
+
+sub LimitToRolesForSystem {
+ my $self = shift;
+ $self->Limit(FIELD => 'Domain', OPERATOR => '=', VALUE => 'RT::System-Role');
+}
+
+# }}}
+
+=head2 WithMember {PrincipalId => PRINCIPAL_ID, Recursively => undef}
+
+Limits the set of groups returned to groups which have
+Principal PRINCIPAL_ID as a member
+
+=cut
+
+sub WithMember {
+ my $self = shift;
+ my %args = ( PrincipalId => undef,
+ Recursively => undef,
+ @_);
+ my $members;
+
+ if ($args{'Recursively'}) {
+ $members = $self->NewAlias('CachedGroupMembers');
+ } else {
+ $members = $self->NewAlias('GroupMembers');
+ }
+ $self->Join(ALIAS1 => 'main', FIELD1 => 'id',
+ ALIAS2 => $members, FIELD2 => 'GroupId');
+
+ $self->Limit(ALIAS => $members, FIELD => 'MemberId', OPERATOR => '=', VALUE => $args{'PrincipalId'});
+}
+
+sub WithoutMember {
+ my $self = shift;
+ my %args = (
+ PrincipalId => undef,
+ Recursively => undef,
+ @_
+ );
+
+ my $members = $args{'Recursively'} ? 'CachedGroupMembers' : 'GroupMembers';
+ my $members_alias = $self->Join(
+ TYPE => 'LEFT',
+ FIELD1 => 'id',
+ TABLE2 => $members,
+ FIELD2 => 'GroupId',
+ );
+ $self->Limit(
+ LEFTJOIN => $members_alias,
+ ALIAS => $members_alias,
+ FIELD => 'MemberId',
+ OPERATOR => '=',
+ VALUE => $args{'PrincipalId'},
+ );
+ $self->Limit(
+ ALIAS => $members_alias,
+ FIELD => 'MemberId',
+ OPERATOR => 'IS',
+ VALUE => 'NULL',
+ QUOTEVALUE => 0,
+ );
+}
+
+=head2 WithRight { Right => RIGHTNAME, Object => RT::Record, IncludeSystemRights => 1, IncludeSuperusers => 0, EquivObjects => [ ] }
+
+
+Find all groups which have RIGHTNAME for RT::Record. Optionally include global rights and superusers. By default, include the global rights, but not the superusers.
+
+
+
+=cut
+
+#XXX: should be generilized
+sub WithRight {
+ my $self = shift;
+ my %args = ( Right => undef,
+ Object => => undef,
+ IncludeSystemRights => 1,
+ IncludeSuperusers => undef,
+ IncludeSubgroupMembers => 0,
+ EquivObjects => [ ],
+ @_ );
+
+ my $from_role = $self->Clone;
+ $from_role->WithRoleRight( %args );
+
+ my $from_group = $self->Clone;
+ $from_group->WithGroupRight( %args );
+
+ #XXX: DIRTY HACK
+ use DBIx::SearchBuilder 1.50; #no version on ::Union :(
+ use DBIx::SearchBuilder::Union;
+ my $union = new DBIx::SearchBuilder::Union;
+ $union->add($from_role);
+ $union->add($from_group);
+ %$self = %$union;
+ bless $self, ref($union);
+
+ return;
+}
+
+#XXX: methods are active aliases to Users class to prevent code duplication
+# should be generalized
+sub _JoinGroups {
+ my $self = shift;
+ my %args = (@_);
+ return 'main' unless $args{'IncludeSubgroupMembers'};
+ return $self->RT::Users::_JoinGroups( %args );
+}
+sub _JoinGroupMembers {
+ my $self = shift;
+ my %args = (@_);
+ return 'main' unless $args{'IncludeSubgroupMembers'};
+ return $self->RT::Users::_JoinGroupMembers( %args );
+}
+sub _JoinGroupMembersForGroupRights {
+ my $self = shift;
+ my %args = (@_);
+ my $group_members = $self->_JoinGroupMembers( %args );
+ unless( $group_members eq 'main' ) {
+ return $self->RT::Users::_JoinGroupMembersForGroupRights( %args );
+ }
+ $self->Limit( ALIAS => $args{'ACLAlias'},
+ FIELD => 'PrincipalId',
+ VALUE => "main.id",
+ QUOTEVALUE => 0,
+ );
+}
+sub _JoinACL { return (shift)->RT::Users::_JoinACL( @_ ) }
+sub _RoleClauses { return (shift)->RT::Users::_RoleClauses( @_ ) }
+sub _WhoHaveRoleRightSplitted { return (shift)->RT::Users::_WhoHaveRoleRightSplitted( @_ ) }
+sub _GetEquivObjects { return (shift)->RT::Users::_GetEquivObjects( @_ ) }
+sub WithGroupRight { return (shift)->RT::Users::WhoHaveGroupRight( @_ ) }
+sub WithRoleRight { return (shift)->RT::Users::WhoHaveRoleRight( @_ ) }
+
+# {{{ sub LimitToEnabled
+
+=head2 LimitToEnabled
+
+Only find items that haven\'t been disabled
+
+=cut
+
+sub LimitToEnabled {
+ my $self = shift;
+
+ $self->{'handled_disabled_column'} = 1;
+ $self->Limit(
+ ALIAS => $self->PrincipalsAlias,
+ FIELD => 'Disabled',
+ VALUE => '0',
+ );
+}
+# }}}
+
+# {{{ sub LimitToDisabled
+
+=head2 LimitToDeleted
+
+Only find items that have been deleted.
+
+=cut
+
+sub LimitToDeleted {
+ my $self = shift;
+
+ $self->{'handled_disabled_column'} = $self->{'find_disabled_rows'} = 1;
+ $self->Limit(
+ ALIAS => $self->PrincipalsAlias,
+ FIELD => 'Disabled',
+ VALUE => 1,
+ );
+}
+
+# }}}
+
+# {{{ sub Next
+
+sub Next {
+ my $self = shift;
+
+ # Don't show groups which the user isn't allowed to see.
+
+ my $Group = $self->SUPER::Next();
+ if ((defined($Group)) and (ref($Group))) {
+ unless ($Group->CurrentUserHasRight('SeeGroup')) {
+ return $self->Next();
+ }
+
+ return $Group;
+ }
+ else {
+ return undef;
+ }
+}
+
+
+
+sub _DoSearch {
+ my $self = shift;
+
+ #unless we really want to find disabled rows, make sure we\'re only finding enabled ones.
+ unless($self->{'find_disabled_rows'}) {
+ $self->LimitToEnabled();
+ }
+
+ return($self->SUPER::_DoSearch(@_));
+
+}
+
+1;
+
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