Added acl replace command to wallet backend

New command for replacing the ownership of anything owned by a specific
ACL with another ACL.  This differs from acl rename in that it's to be
used when the destination ACL already exists and potentially already
owns some objects.

Change-Id: I765bebf499fe0f861abc2ffe1873990590beed36

1 files changed, 35 insertions, 0 deletions

diff --git a/perl/lib/Wallet/ACL.pm b/perl/lib/Wallet/ACL.pm
index a3b0146..370df8b 100644
--- a/perl/lib/Wallet/ACL.pm
+++ b/perl/lib/Wallet/ACL.pm
@@ -17,6 +17,7 @@ use strict;
 use warnings;
 use vars qw($VERSION);
 
+use Wallet::Object::Base;
 use DateTime;
 use DBI;
 
@@ -207,6 +208,32 @@ sub rename {
     return 1;
 }
 
+# Moves everything owned by one ACL to instead be owned by another.  You'll
+# normally want to use rename, but this exists for cases where the replacing
+# ACL already exists and has things assigned to it.  Returns true on success,
+# false on failure.
+sub replace {
+    my ($self, $replace_id, $user, $host, $time) = @_;
+    $time ||= time;
+
+    my %search = (ob_owner => $self->{id});
+    my @objects = $self->{schema}->resultset('Object')->search (\%search);
+    if (@objects) {
+        for my $object (@objects) {
+            my $type   = $object->ob_type;
+            my $name   = $object->ob_name;
+            my $object = eval {
+                Wallet::Object::Base->new($type, $name, $self->{schema});
+            };
+            $object->owner ($replace_id, $user, $host, $time);
+        }
+    } else {
+        $self->error ("no objects found for ACL $self->{id}");
+        return;
+    }
+    return 1;
+}
+
 # Destroy the ACL, deleting it out of the database.  Returns true on success,
 # false on failure.
 #
@@ -643,6 +670,14 @@ On failure, the caller should call error() to get the error message.
 
 Note that rename() operations are not logged in the ACL history.
 
+=item replace(ID)
+
+Replace this ACL with another.  This goes through each object owned by
+the ACL and changes its ownership to the new ACL, leaving this acl owning
+nothing (and probably then needing to be deleted).  Returns true on
+success and false on failure.  On failure, the caller should call error()
+to get the error message.
+
 =item show()
 
 Returns a human-readable description of this ACL, including its