eff5e583cf6b9a54b66e182e20666ad350cfbf71
[dbsrgits/DBIx-Data-Store-old.git] / lib / DBIx / Data / Store / CRUD.pm
1 package DBIx::Data::Store::CRUD;
2
3 use Moose;
4 use Method::Signatures::Simple;
5
6 has raw_store => (is => 'ro', required => 1); # DBIx::Data::Store object
7
8 foreach my $type (qw(select insert update delete)) {
9   has "${type}_sql" => (is => 'ro', predicate => "has_${type}_sql");
10   has "${type}_argument_order" => (is => 'ro', default => sub { [] });
11 }
12
13 has 'insert_command_constructor' => (is => 'ro');
14
15 has "select_column_order" => (is => 'ro');
16
17 method new_select_command ($args) {
18   die "$self->has_select_sql" unless $self->has_select_sql;
19   $self->raw_store->new_stream_command(
20     $self->select_sql,
21     $self->_unwrap_args_for(select => $args),
22     $self->select_column_order
23   );
24 }
25
26 method _unwrap_args_for ($type, $args) {
27   [ @{$args}{@{$self->${\"${type}_argument_order"}}} ]
28 }
29
30 method _new_command ($builder, $type, $args) {
31   my $has_meth = "has_${type}_sql";
32   die "${self}->${has_meth}" unless $self->$has_meth;
33   $self->$builder(
34     $self->${\"${type}_sql"},
35     $self->_unwrap_args_for($type => $args),
36   );
37 }
38
39 method _new_call_command ($type, $args) {
40   $self->_new_command(
41     sub { shift->raw_store->new_call_command(@_) },
42     $type => $args,
43   );
44 }
45
46 method new_insert_command ($args) {
47   my $builder = $self->insert_command_constructor;
48   $builder
49     ? $self->_new_command($builder => insert => $args)
50     : $self->_new_call_command(insert => $args);
51 }
52
53 method new_update_command ($args) {
54   $self->_new_call_command(update => $args);
55 }
56
57 method new_delete_command ($args) {
58   $self->_new_call_command(delete => $args);
59 }
60
61 __PACKAGE__->meta->make_immutable;
62
63 1;