+=item viewall_right
+
+All users will be returned if the current user has the provided
+access right, regardless of agents (other filters still apply.)
+Defaults to 'View customers of all agents'
+
+=cut
+
+#Leaving undocumented until such time as this functionality is actually used
+#
+#=item null
+#
+#Users with no agents will be returned.
+#
+#=item null_right
+#
+#Users with no agents will be returned if the current user has the provided
+#access right.
+
+sub access_users {
+ my $self = shift;
+ my %opt = ref($_[0]) ? %{$_[0]} : @_;
+ my $table = $opt{'table'};
+ my $search = { 'table' => 'access_user' };
+ $search->{'hashref'} = $opt{'disabled'} ? {} : { 'disabled' => '' };
+ $search->{'addl_from'} = "INNER JOIN $table ON (access_user.usernum = $table.usernum)"
+ if $table;
+ my @access_users = qsearch($search);
+ my $viewall_right = $opt{'viewall_right'} || 'View customers of all agents';
+ return @access_users if $self->access_right($viewall_right);
+ #filter for users with agents $self can view
+ my @out;
+ my $agentnum_cache = {};
+ACCESS_USER:
+ foreach my $access_user (@access_users) {
+ # you can always view yourself, regardless of agents,
+ # and you can always view someone who can view you,
+ # since they might have affected your customers
+ if ( ($self->usernum eq $access_user->usernum)
+ || $access_user->access_right($viewall_right)
+ ) {
+ push(@out,$access_user);
+ next;
+ }
+ # if user has no agents, you need null or null_right to view
+ my @agents = $access_user->agents('viewall_right'=>'NONE'); #handled viewall_right above
+ if (!@agents) {
+ if ( $opt{'null'} ||
+ ( $opt{'null_right'} && $self->access_right($opt{'null_right'}) )
+ ) {
+ push(@out,$access_user);
+ }
+ next;
+ }
+ # otherwise, you need an agent in common
+ foreach my $agent (@agents) {
+ if ($self->agentnum($agent->agentnum,$agentnum_cache)) {
+ push(@out,$access_user);
+ next ACCESS_USER;
+ }
+ }
+ }
+ return @out;
+}
+
+=item access_users_hashref [ HASHREF | OPTION => VALUE ... ]
+
+Accepts same options as L</access_users>. Returns a hashref of
+users, with keys of usernum and values of username.
+
+=cut
+
+sub access_users_hashref {
+ my $self = shift;
+ my %access_users = map { $_->usernum => $_->username }
+ $self->access_users(@_);
+ return \%access_users;
+}
+
+=item access_right RIGHTNAME | LISTREF
+
+Given a right name or a list reference of right names, returns true if this
+user has this right, or, for a list, one of the rights (currently via group
+membership, eventually also via user overrides).