X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FInflateColumn.pm;h=422d8b9276b07f515bdcb92d446282fafd9d36ad;hb=43556c5d5b8734dff2ba5cd4897bd69c4e82bd52;hp=a55a29fa66a8709744a7a1847c9f67ce2f3713ae;hpb=425f2ea93af32bf46922742fddc99f5e5f566e4c;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/InflateColumn.pm b/lib/DBIx/Class/InflateColumn.pm index a55a29f..422d8b9 100644 --- a/lib/DBIx/Class/InflateColumn.pm +++ b/lib/DBIx/Class/InflateColumn.pm @@ -2,13 +2,13 @@ package DBIx::Class::InflateColumn; use strict; use warnings; - +use Scalar::Util qw/blessed/; use base qw/DBIx::Class::Row/; =head1 NAME -DBIx::Class::InflateColumn - Automatically create objects from column data +DBIx::Class::InflateColumn - Automatically create references from column data =head1 SYNOPSIS @@ -20,13 +20,18 @@ DBIx::Class::InflateColumn - Automatically create objects from column data =head1 DESCRIPTION -This component translates column data into objects, i.e. "inflating" -the column data. It also "deflates" objects into an appropriate format +This component translates column data into references, i.e. "inflating" +the column data. It also "deflates" references into an appropriate format for the database. It can be used, for example, to automatically convert to and from L objects for your date and time fields. +It will accept arrayrefs, hashrefs and blessed references (objects), +but not scalarrefs. Scalar references are passed through to the +database to deal with, to allow such settings as C< \'year + 1'> and +C< \'DEFAULT' > to work. + =head1 METHODS =head2 inflate_column @@ -68,7 +73,7 @@ sub inflate_column { $self->throw_exception("inflate_column needs attr hashref") unless ref $attrs eq 'HASH'; $self->column_info($col)->{_inflate_info} = $attrs; - $self->mk_group_accessors('inflated_column' => $col); + $self->mk_group_accessors('inflated_column' => [$self->column_info($col)->{accessor} || $col, $col]); return 1; } @@ -85,7 +90,9 @@ sub _inflated_column { sub _deflated_column { my ($self, $col, $value) = @_; - return $value unless ref $value; # If it's not an object, don't touch it +# return $value unless ref $value && blessed($value); # If it's not an object, don't touch it + ## Leave scalar refs (ala SQL::Abstract literal SQL), untouched, deflate all other refs + return $value unless (ref $value && ref($value) ne 'SCALAR'); my $info = $self->column_info($col) or $self->throw_exception("No column info for $col"); return $value unless exists $info->{_inflate_info}; @@ -125,9 +132,15 @@ analogous to L. =cut sub set_inflated_column { - my ($self, $col, $obj) = @_; - $self->set_column($col, $self->_deflated_column($col, $obj)); - return $self->store_inflated_column($col, $obj); + my ($self, $col, $inflated) = @_; + $self->set_column($col, $self->_deflated_column($col, $inflated)); +# if (blessed $inflated) { + if (ref $inflated && ref($inflated) ne 'SCALAR') { + $self->{_inflated_column}{$col} = $inflated; + } else { + delete $self->{_inflated_column}{$col}; + } + return $inflated; } =head2 store_inflated_column @@ -140,79 +153,15 @@ as dirty. This is directly analogous to L. =cut sub store_inflated_column { - my ($self, $col, $obj) = @_; - return $self->{_inflated_column}{$col} = $obj; -} - -=head2 get_column - -Gets a column value in the same way as L. If there -is an inflated value stored that has not yet been deflated, it is deflated -when the method is invoked. - -=cut - -sub get_column { - my ($self, $col) = @_; - if (exists $self->{_inflated_column}{$col} - && !exists $self->{_column_data}{$col}) { - $self->store_column($col, $self->_deflated_column($col, $self->{_inflated_column}{$col})); - } - return $self->next::method($col); -} - -sub get_columns { - my $self = shift; - if (exists $self->{_inflated_column}) { - foreach my $col (keys %{$self->{_inflated_column}}) { - $self->store_column($col, $self->_deflated_column($col, $self->{_inflated_column}{$col})) - unless exists $self->{_column_data}{$col}; - } + my ($self, $col, $inflated) = @_; +# unless (blessed $inflated) { + unless (ref $inflated && ref($inflated) ne 'SCALAR') { + delete $self->{_inflated_column}{$col}; + $self->store_column($col => $inflated); + return $inflated; } - return $self->next::method; -} - -sub has_column_loaded { - my ($self, $col) = @_; - return 1 if exists $self->{_inflated_column}{$col}; - return $self->next::method($col); -} - -=head2 update - -Updates a row in the same way as L, handling -inflation and deflation of columns appropriately. - -=cut - -sub update { - my ($class, $attrs, @rest) = @_; - foreach my $key (keys %{$attrs||{}}) { - if (ref $attrs->{$key} - && exists $class->column_info($key)->{_inflate_info}) { - $class->set_inflated_column($key, delete $attrs->{$key}); - } - } - return $class->next::method($attrs, @rest); -} - -=head2 new - -Creates a row in the same way as L, handling -inflation and deflation of columns appropriately. - -=cut - -sub new { - my ($class, $attrs, @rest) = @_; - my $inflated; - foreach my $key (keys %{$attrs||{}}) { - $inflated->{$key} = delete $attrs->{$key} - if ref $attrs->{$key} && exists $class->column_info($key)->{_inflate_info}; - } - my $obj = $class->next::method($attrs, @rest); - $obj->{_inflated_column} = $inflated if $inflated; - return $obj; + delete $self->{_column_data}{$col}; + return $self->{_inflated_column}{$col} = $inflated; } =head1 SEE ALSO @@ -233,6 +182,8 @@ Matt S. Trout Daniel Westermann-Clark (documentation) +Jess Robinson + =head1 LICENSE You may distribute this code under the same terms as Perl itself.