X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=dbsrgits%2FDBIx-Class-DeploymentHandler.git;a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FDeploymentHandler%2FDad.pm;h=1fb35204b5cb25f6c01efb8ca97fa5d3adcebee8;hp=fcdd868b69746247719b91f299c0aab48b6bec5b;hb=2e3cccff896e3d8f98cfb3d1069be1c62cc24d69;hpb=ed1721b92e5774426f63bbf69bc4b2c997fbf62e diff --git a/lib/DBIx/Class/DeploymentHandler/Dad.pm b/lib/DBIx/Class/DeploymentHandler/Dad.pm index fcdd868..1fb3520 100644 --- a/lib/DBIx/Class/DeploymentHandler/Dad.pm +++ b/lib/DBIx/Class/DeploymentHandler/Dad.pm @@ -1,15 +1,22 @@ package DBIx::Class::DeploymentHandler::Dad; +# ABSTRACT: Parent class for DeploymentHandlers + use Moose; use Method::Signatures::Simple; require DBIx::Class::Schema; # loaded for type constraint use Carp::Clan '^DBIx::Class::DeploymentHandler'; +use DBIx::Class::DeploymentHandler::Logger; +use DBIx::Class::DeploymentHandler::Types; +use Log::Contextual ':log', -package_logger => + DBIx::Class::DeploymentHandler::Logger->new({ + env_prefix => 'DBICDH' + }); has schema => ( isa => 'DBIx::Class::Schema', is => 'ro', required => 1, - handles => ['schema_version'], ); has backup_directory => ( @@ -20,12 +27,22 @@ has backup_directory => ( has to_version => ( is => 'ro', + isa => 'Str', lazy_build => 1, ); -sub _build_to_version { $_[0]->schema->schema_version } +sub _build_to_version { $_[0]->schema_version } + +has schema_version => ( + is => 'ro', + isa => 'StrSchemaVersion', + lazy_build => 1, +); + +sub _build_schema_version { $_[0]->schema->schema_version } method install { + log_info { 'installing version ' . $self->to_version }; croak 'Install not possible as versions table already exists in database' if $self->version_storage_is_installed; @@ -38,9 +55,14 @@ method install { } sub upgrade { + log_info { 'upgrading' }; my $self = shift; + my $ran_once = 0; while ( my $version_list = $self->next_version_set ) { - my ($ddl, $upgrade_sql) = @{$self->upgrade_single_step($version_list)||[]}; + $ran_once = 1; + my ($ddl, $upgrade_sql) = @{ + $self->upgrade_single_step({ version_set => $version_list }) + ||[]}; $self->add_database_version({ version => $version_list->[-1], @@ -48,24 +70,37 @@ sub upgrade { upgrade_sql => $upgrade_sql, }); } + + log_warn { 'no need to run upgrade' } unless $ran_once; } sub downgrade { + log_info { 'downgrading' }; my $self = shift; + my $ran_once = 0; while ( my $version_list = $self->previous_version_set ) { - $self->downgrade_single_step($version_list); + $ran_once = 1; + $self->downgrade_single_step({ version_set => $version_list }); # do we just delete a row here? I think so but not sure - $self->delete_database_version({ version => $version_list->[-1] }); + $self->delete_database_version({ version => $version_list->[0] }); } + log_warn { 'no version to run downgrade' } unless $ran_once; } -method backup { $self->storage->backup($self->backup_directory) } +method backup { + log_info { 'backing up' }; + $self->storage->backup($self->backup_directory) +} __PACKAGE__->meta->make_immutable; 1; +# vim: ts=2 sw=2 expandtab + +__END__ + =pod =attr schema @@ -73,9 +108,14 @@ __PACKAGE__->meta->make_immutable; The L (B) that is used to talk to the database and generate the DDL. +=attr schema_version + +The version that the schema is currently at. Defaults to +C<< $self->schema->schema_version >>. + =attr backup_directory -The directory that backups are stored in +The directory where backups are stored =attr to_version @@ -88,7 +128,7 @@ The version (defaults to schema's version) to migrate the database to Deploys the current schema into the database. Populates C with C and C. -B: you typically need to call C<< $dh->prepare_install >> before you call +B: you typically need to call C<< $dh->prepare_deploy >> before you call this method. B: you cannot install on top of an already installed database @@ -107,7 +147,7 @@ returned from L. $dh->downgrade Downgrades the database one step at a time till L -returns C. Each downgrade step will delete a Cfrom the +returns C. Each downgrade step will delete a C from the version storage. =method backup @@ -163,13 +203,13 @@ should probably implement these too, even if they are no-ops. see L -=head2 prepare_install +=head2 prepare_deploy -see L +see L =head2 prepare_resultsource_install -see L +see L =head2 install_resultsource @@ -183,8 +223,6 @@ see L see L -=back - =head2 SUBCLASSING All of the methods mentioned in L and @@ -199,6 +237,3 @@ L, L, and L. -__END__ - -vim: ts=2 sw=2 expandtab