X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FDeploymentHandler%2FVersionHandler%2FDatabaseToSchemaVersions.pm;h=adaaf16802d3c8fcedea1b4698460bee16bb3806;hb=refs%2Fheads%2Fmoo-port;hp=c02d52f99d7b0acb53fd5911864a14eeb8c2c968;hpb=fb105cfaa0a76db35042a0c862f8fd56fa8c0d2c;p=dbsrgits%2FDBIx-Class-DeploymentHandler.git

diff --git a/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm b/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm
index c02d52f..adaaf16 100644
--- a/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm
+++ b/lib/DBIx/Class/DeploymentHandler/VersionHandler/DatabaseToSchemaVersions.pm
@@ -1,13 +1,36 @@
 package DBIx::Class::DeploymentHandler::VersionHandler::DatabaseToSchemaVersions;
-use Moose;
-use Method::Signatures::Simple;
+use Moo;
+use Sub::Quote 'quote_sub';
+use MooX::Types::MooseLike::Base qw(Str Bool);
+
+# ABSTRACT: Go straight from Database to Schema version
 
 with 'DBIx::Class::DeploymentHandler::HandlesVersioning';
 
+has schema_version => (
+  isa      => Str,
+  is       => 'ro',
+  required => 1,
+);
+
+has database_version => (
+  isa      => Str,
+  is       => 'ro',
+  required => 1,
+);
+
+has to_version => ( # configuration
+  is   => 'ro',
+  isa  => Str,
+  builder => '_build_to_version',
+);
+
+sub _build_to_version { $_[0]->schema_version }
+
 has once => (
   is      => 'rw',
-  isa     => 'Bool',
-  default => undef,
+  isa     => Bool,
+  default => quote_sub(q{undef}),
 );
 
 sub next_version_set {
@@ -21,11 +44,25 @@ sub next_version_set {
   return [$self->database_version, $self->to_version];
 }
 
+sub previous_version_set {
+  my $self = shift;
+  return undef
+    if $self->once;
 
-__PACKAGE__->meta->make_immutable;
+  $self->once(!$self->once);
+  return undef
+    if $self->database_version eq $self->to_version;
+  return [$self->database_version, $self->to_version];
+}
 
 1;
 
+# vim: ts=2 sw=2 expandtab
+
 __END__
 
-vim: ts=2 sw=2 expandtab
+=head1 SEE ALSO
+
+This class is an implementation of
+L<DBIx::Class::DeploymentHandler::HandlesVersioning>.  Pretty much all the
+documentation is there.