X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FTranslator%2FObject%2FConstraint.pm;h=91dbff08c249d42d29f9741c580d5bc10ba3adc3;hb=d971846de97d9dc04e6f112600f1e25c699a608c;hp=e9fb5df7214cf87e7b88f1672dd50819c2b7cfeb;hpb=7aa485df58674f494ff946fc297e7d4de14e006f;p=dbsrgits%2FSQL-Translator-2.0-ish.git diff --git a/lib/SQL/Translator/Object/Constraint.pm b/lib/SQL/Translator/Object/Constraint.pm index e9fb5df..91dbff0 100644 --- a/lib/SQL/Translator/Object/Constraint.pm +++ b/lib/SQL/Translator/Object/Constraint.pm @@ -1,36 +1,120 @@ -package SQL::Translator::Object::Constraint; -use Moose; -use MooseX::Types::Moose qw(HashRef Str); -use MooseX::AttributeHelpers; -use SQL::Translator::Types qw(Column); -extends 'SQL::Translator::Object'; - -has 'name' => ( - is => 'rw', - isa => Str, - required => 1 -); - -has 'columns' => ( - metaclass => 'Collection::Hash', - is => 'rw', - isa => HashRef[Column], - provides => { - exists => 'exists_column', - keys => 'column_ids', - get => 'get_column', - set => 'set_column', - }, - required => 1 -); - -has 'type' => ( - is => 'rw', - isa => Str, - required => 1 -); - -no Moose; -__PACKAGE__->meta->make_immutable; - -1; +use MooseX::Declare; +class SQL::Translator::Object::Constraint extends SQL::Translator::Object { + use MooseX::Types::Moose qw(ArrayRef Bool HashRef Int Maybe Str Undef); + use MooseX::MultiMethods; + use SQL::Translator::Types qw(Column MatchType Table ColumnHash IxHash); + use Tie::IxHash; + + has 'table' => ( + is => 'rw', + isa => Table, + weak_ref => 1, + ); + + has 'name' => ( + is => 'rw', + isa => Str, + default => '', + required => 1 + ); + + has 'columns' => ( + is => 'rw', + isa => IxHash, #ColumnHash, + handles => { + exists_column => 'EXISTS', + column_ids => 'Keys', + get_columns => 'Values', + get_column => 'FETCH', + add_column => 'STORE', + remove_column => 'DELETE', + clear_columns => 'CLEAR', + }, + coerce => 1, + default => sub { Tie::IxHash->new() } + ); + + has 'type' => ( + is => 'rw', + isa => Str, + predicate => 'has_type', + required => 1, + ); + + has 'deferrable' => ( + is => 'rw', + isa => Bool, + default => 1 + ); + + has 'expression' => ( + is => 'rw', + isa => Str, + ); + + has 'reference_table' => ( + isa => Maybe[Str], + is => 'rw', + ); + + has 'reference_columns' => ( + isa => ArrayRef, + traits => ['Array'], + handles => { + reference_columns => 'elements', + add_reference_column => 'push', + }, + default => sub { [] }, + required => 1, + ); + + has 'match_type' => ( + isa => MatchType, + is => 'rw', + coerce => 1, + lazy => 1, + default => '' + ); + + has '_order' => ( + isa => Int, + is => 'rw', + ); + + has 'on_delete' => ( is => 'rw', required => 0); + has 'on_update' => ( is => 'rw', required => 0); + + around add_column(Column $column does coerce) { + if ($self->has_type && $self->type eq 'PRIMARY KEY') { + $column->is_primary_key(1); + } + $self->$orig($column->name, $column); + return $self->get_column($column->name); + } + + multi method order(Int $order) { $self->_order($order); } + multi method order { + my $order = $self->_order; + unless (defined $order && $order) { + my $tables = Tie::IxHash->new( map { $_->name => $_ } $self->schema->get_tables ); + $order = $tables->Indices($self->name) || 0; $order++; + $self->_order($order); + } + return $order; + } + + method is_valid { return $self->has_type && scalar $self->column_ids ? 1 : undef } + + around BUILDARGS(ClassName $self: @args) { + my $args = $self->$orig(@args); + + my $fields = delete $args->{fields} || []; + + $fields = ref($fields) eq 'ARRAY' ? $fields : [ $fields ]; + my $ix_hash = Tie::IxHash->new(); + $ix_hash->STORE($_, SQL::Translator::Object::Column->new( name => $_ )) for @$fields; + $args->{columns} = $ix_hash; + + return $args; + } +}