package DBIx::Class::DeploymentHandler::SqltDeployMethod;
-use Moose::Role;
+use Moose;
use Method::Signatures::Simple;
+use Try::Tiny;
+use SQL::Translator;
+require SQL::Translator::Diff;
+require DBIx::Class::Storage; # loaded for type constraint
use Carp 'carp';
+has storage => (
+ isa => 'DBIx::Class::Storage',
+ is => 'ro',
+ lazy_build => 1,
+);
+
+method _build_storage {
+ my $s = $self->schema->storage;
+ $s->_determine_driver;
+ $s
+}
+
+has backup_directory => (
+ isa => 'Str',
+ is => 'ro',
+);
+
+has do_backup => (
+ isa => 'Bool',
+ is => 'ro',
+ default => undef,
+);
+
+has sqltargs => (
+ isa => 'HashRef',
+ is => 'ro',
+ default => sub { {} },
+);
+has upgrade_directory => (
+ isa => 'Str',
+ is => 'ro',
+ required => 1,
+ default => 'sql',
+);
+
+has version_rs => (
+ isa => 'DBIx::Class::ResultSet',
+ is => 'ro',
+ lazy_build => 1,
+ handles => [qw( is_installed db_version )],
+);
+
+method _build_version_rs {
+ $self->schema->set_us_up_the_bomb;
+ $self->schema->resultset('__VERSION')
+}
+
+has databases => (
+ coerce => 1,
+ isa => 'DBIx::Class::DeploymentHandler::Databases',
+ is => 'ro',
+ default => sub { [qw( MySQL SQLite PostgreSQL )] },
+);
+
+has schema => (
+ isa => 'DBIx::Class::Schema',
+ is => 'ro',
+ required => 1,
+ handles => [qw( schema_version )],
+);
+
+has _filedata => (
+ isa => 'ArrayRef[Str]',
+ is => 'rw',
+);
+
+method ddl_filename($type, $versions, $dir) {
+ my $filename = ref $self->schema;
+ $filename =~ s/::/-/g;
+
+ $filename = File::Spec->catfile(
+ $dir, "$filename-" . join( q(-), @{$versions} ) . "-$type.sql"
+ );
+
+ return $filename;
+}
+
method deployment_statements {
my $dir = $self->upgrade_directory;
my $schema = $self->schema;
my $sqltargs = $self->sqltargs;
my $version = $self->schema_version || '1.x';
- my $filename = $self->ddl_filename($type, $version, $dir);
+ my $filename = $self->ddl_filename($type, [ $version ], $dir);
if(-f $filename) {
my $file;
open $file, q(<), $filename
}
method deploy {
- my $schema = $self->schema;
- my $type = undef;
- my $sqltargs = $self->sqltargs;
- my $dir = $self->upgrade_directory;
my $storage = $self->storage;
my $deploy = sub {
}
}
-method create_install_ddl {
+method prepare_install {
my $schema = $self->schema;
my $databases = $self->databases;
my $dir = $self->upgrade_directory;
$sqlt->{schema} = $sqlt_schema;
$sqlt->producer($db);
- my $filename = $self->ddl_filename($db, $version, $dir);
+ my $filename = $self->ddl_filename($db, [ $version ], $dir);
if (-e $filename && ($version eq $schema_version )) {
# if we are dumping the current version, overwrite the DDL
carp "Overwriting existing DDL file - $filename";
}
}
-method create_update_ddl($version, $preversion) {
+method prepare_update($version, $preversion) {
my $schema = $self->schema;
my $databases = $self->databases;
my $dir = $self->upgrade_directory;
$sqlt->{schema} = $sqlt_schema;
$sqlt->producer($db);
- my $prefilename = $self->ddl_filename($db, $preversion, $dir);
+ my $prefilename = $self->ddl_filename($db, [ $preversion ], $dir);
unless(-e $prefilename) {
carp("No previous schema file found ($prefilename)");
next;
}
- my $diff_file = $self->ddl_filename($db, $version, $dir, $preversion);
+ my $diff_file = $self->ddl_filename($db, [ $preversion, $version ], $dir );
if(-e $diff_file) {
carp("Overwriting existing diff file - $diff_file");
unlink $diff_file;
$t->parser( $db ) # could this really throw an exception?
or $self->throw_exception ($t->error);
- my $filename = $self->ddl_filename($db, $version, $dir);
+ my $filename = $self->ddl_filename($db, [ $version ], $dir);
my $out = $t->translate( $filename )
or $self->throw_exception ($t->error);
}
}
-method create_ddl_dir($version, $preversion) {
- $self->create_install_ddl;
- $self->create_update_ddl($version, $preversion) if $preversion;
+method _read_sql_file($file) {
+ return unless $file;
+
+ open my $fh, '<', $file or carp("Can't open upgrade file, $file ($!)");
+ my @data = split /\n/, join '', <$fh>;
+ close $fh;
+
+ @data = grep {
+ $_ &&
+ !/^--/ &&
+ !/^(BEGIN|BEGIN TRANSACTION|COMMIT)/m
+ } split /;/,
+ join '', @data;
+
+ return \@data;
+}
+
+method upgrade_single_step {
+ my @version_set = @{ shift @_ };
+ my $db_version = $self->db_version;
+ my $upgrade_file = $self->ddl_filename(
+ $self->storage->sqlt_type,
+ \@version_set,
+ $self->upgrade_directory,
+ );
+
+ unless (-f $upgrade_file) {
+ # croak?
+ carp "Upgrade not possible, no upgrade file found ($upgrade_file), please create one\n";
+ return;
+ }
+
+ carp "DB version ($db_version) is lower than the schema version (".$self->schema_version."). Attempting upgrade.\n";
+
+ $self->_filedata($self->_read_sql_file($upgrade_file)); # I don't like this --fREW 2010-02-22
+ $self->backup if $self->do_backup;
+ $self->schema->txn_do(sub { $self->do_upgrade });
+
+ $self->version_rs->create({
+ version => $version_set[-1],
+ # ddl => $ddl,
+ # upgrade_sql => $upgrade_sql,
+ });
+}
+
+method do_upgrade { $self->run_upgrade(qr/.*?/) }
+
+method run_upgrade($stm) {
+ return unless $self->_filedata;
+ my @statements = grep { $_ =~ $stm } @{$self->_filedata};
+
+ for (@statements) {
+ $self->storage->debugobj->query_start($_) if $self->storage->debug;
+ $self->apply_statement($_);
+ $self->storage->debugobj->query_end($_) if $self->storage->debug;
+ }
+}
+
+method apply_statement($statement) {
+ # croak?
+ $self->storage->dbh->do($_) or carp "SQL was: $_"
}
+method backup { $self->storage->backup($self->backup_directory) }
+
+__PACKAGE__->meta->make_immutable;
+
1;
+
+__END__
+
+vim: ts=2 sw=2 expandtab
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