X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FSQL%2FTranslator%2FObject%2FTable.pm;h=878cd1149ac99b0a72f303573a2694a0dbd65339;hb=160f1f551395c24929216b166a3eb45c3096f435;hp=a91ca9cf1b8e322864e860ea52eadda77532d3d4;hpb=e157d782d0fd81839c38b9f8aab0e1844c14ab9b;p=dbsrgits%2FSQL-Translator-2.0-ish.git diff --git a/lib/SQL/Translator/Object/Table.pm b/lib/SQL/Translator/Object/Table.pm index a91ca9c..878cd11 100644 --- a/lib/SQL/Translator/Object/Table.pm +++ b/lib/SQL/Translator/Object/Table.pm @@ -1,61 +1,197 @@ -package SQL::Translator::Object::Table; -use Moose; -use MooseX::Types::Moose qw(HashRef Str); -use MooseX::AttributeHelpers; -use SQL::Translator::Types qw(Column Constraint Index Schema); -use SQL::Translator::Object::Schema; -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 => 0 -); - -has 'indexes' => ( - metaclass => 'Collection::Hash', - is => 'rw', - isa => HashRef[Index], - provides => { - exists => 'exists_index', - keys => 'index_ids', - get => 'get_index', - set => 'set_index', - }, - required => 0 -); - -has 'constraints' => ( - metaclass => 'Collection::Hash', - is => 'rw', - isa => HashRef[Constraint], - provides => { - exists => 'exists_constraint', - keys => 'constraint_ids', - get => 'get_constraint', - set => 'set_constraint', - }, - required => 0 -); - -has 'schema' => ( - is => 'rw', - isa => Schema, - required => 0, - default => sub { SQL::Translator::Object::Schema->new } -); - -1; +use MooseX::Declare; +class SQL::Translator::Object::Table extends SQL::Translator::Object is dirty { + use MooseX::Types::Moose qw(Any Bool HashRef Int Str); + use MooseX::MultiMethods; + use SQL::Translator::Types qw(Column Constraint Index Schema Sequence); + use SQL::Translator::Object::Column; + use SQL::Translator::Object::Constraint; + clean; + + use overload + '""' => sub { shift->name }, + 'bool' => sub { $_[0]->name || $_[0] }, + fallback => 1, + ; + + has 'name' => ( + is => 'rw', + isa => Str, + required => 1 + ); + + has 'columns' => ( + traits => ['Hash'], + is => 'rw', + isa => HashRef[Column], + handles => { + exists_column => 'exists', + column_ids => 'keys', + get_columns => 'values', + get_column => 'get', + add_column => 'set', + remove_column => 'delete', + clear_columns => 'clear', + }, + default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, + ); + + has 'indexes' => ( + traits => ['Hash'], + is => 'rw', + isa => HashRef[Index], + handles => { + exists_index => 'exists', + index_ids => 'keys', + get_indices => 'values', + get_index => 'get', + add_index => 'set', + remove_index => 'delete', + }, + default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, + ); + + has 'constraints' => ( + traits => ['Hash'], + is => 'rw', + isa => HashRef[Constraint], + handles => { + exists_constraint => 'exists', + constraint_ids => 'keys', + get_constraints => 'values', + get_constraint => 'get', + add_constraint => 'set', + remove_constraint => 'delete', + }, + default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, + ); + + has 'sequences' => ( + traits => ['Hash'], + is => 'rw', + isa => HashRef[Sequence], + handles => { + exists_sequence => 'exists', + sequence_ids => 'keys', + get_sequences => 'values', + get_sequence => 'get', + add_sequence => 'set', + remove_sequence => 'delete', + }, + default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash }, + ); + + has 'schema' => ( + is => 'rw', + isa => Schema, + weak_ref => 1, + ); + + has 'temporary' => ( + is => 'rw', + isa => Bool, + default => 0 + ); + + has '_order' => ( + is => 'rw', + isa => Int, + ); + + around add_column(Column $column does coerce) { + die "Can't use column name " . $column->name if $self->exists_column($column->name) || $column->name eq ''; + $column->table($self); + return $self->$orig($column->name, $column); + } + + around add_constraint(Constraint $constraint does coerce) { + my $name = $constraint->name; + if ($name eq '') { + my $idx = 0; + while ($self->exists_constraint('ANON' . $idx)) { $idx++ } + $name = 'ANON' . $idx; + } + $constraint->table($self); + if ($constraint->has_type && $constraint->type eq 'PRIMARY KEY') { + $self->get_column($_)->is_primary_key(1) for $constraint->column_ids; + } + $self->$orig($name, $constraint) + } + + around add_index(Index $index does coerce) { + my $name = $index->name; + if ($name eq '') { + my $idx = 0; + while ($self->exists_index('ANON' . $idx)) { $idx++ } + $name = 'ANON' . $idx; + } + $index->table($self); + $self->$orig($name, $index) + } + + around add_sequence(Sequence $sequence does coerce) { $self->$orig($sequence->name, $sequence) } + + multi method primary_key { + my $constraints = $self->constraints; + for my $key (keys %$constraints) { + return $constraints->{$key} if $constraints->{$key}{type} eq 'PRIMARY KEY'; + } + return undef; + } + + multi method primary_key(Str $column) { + die "Column $column does not exist!" unless $self->exists_column($column); + $self->get_column($column)->is_primary_key(1); + + my $primary_key = $self->primary_key; + unless (defined $primary_key) { + $primary_key = SQL::Translator::Object::Constraint->new({ type => 'PRIMARY KEY' }); + $self->add_constraint($primary_key); + } + $primary_key->add_field({ name => $column }) unless $primary_key->exists_column($column); ## FIX ME, change back to add_column once around add_column(coerce .. ) works + return $primary_key; + } + + 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 $self->get_columns ? 1 : undef } + + before name($name?) { die "Can't use table name $name, table already exists" if $name && $self->schema->exists_table($name) && $name ne $self->name } + + around remove_column(Column|Str $column, Int :$cascade = 0) { + my $name = is_Column($column) ? $column->name : $column; + die "Can't drop non-existant column " . $name unless $self->exists_column($name); + $self->$orig($name); + } + + around remove_index(Index|Str $index) { + my $name = is_Index($index) ? $index->name : $index; + die "Can't drop non-existant index " . $name unless $self->exists_index($name); + $self->$orig($name); + } + + around remove_constraint(Constraint|Str $constraint) { + my $name = is_Constraint($constraint) ? $constraint->name : $constraint; + die "Can't drop non-existant constraint " . $name unless $self->exists_constraint($name); + $self->$orig($name); + } + + around BUILDARGS(ClassName $self: @args) { + my $args = $self->$orig(@args); + + my $fields = delete $args->{fields}; + + tie %{$args->{columns}}, 'Tie::IxHash'; + $args->{columns}{$_} = SQL::Translator::Object::Column->new( name => $_ ) for @$fields; + + return $args; + } +}