From: David Kamholz <dkamholz@cpan.org>
Date: Sun, 18 Jun 2006 21:04:10 +0000 (+0000)
Subject: InflateColumn re-refactor
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=89279e9d0fff6fe2b90d0e3624c0349403c724f7;p=dbsrgits%2FDBIx-Class-Historic.git

InflateColumn re-refactor
---

diff --git a/lib/DBIx/Class/InflateColumn.pm b/lib/DBIx/Class/InflateColumn.pm
index 1a69269..26a8832 100644
--- a/lib/DBIx/Class/InflateColumn.pm
+++ b/lib/DBIx/Class/InflateColumn.pm
@@ -83,20 +83,15 @@ sub _inflated_column {
   return $inflate->($value, $self);
 }
 
-sub _deflate_column {
-  my ($self, $col) = @_;
-  return if exists $self->{_column_data}{$col};
-  my $value = $self->{_inflated_column}{$col};
-  if (ref $value) {
-    my $info = $self->column_info($col) or
-      $self->throw_exception("No column info for $col");
-    if (exists $info->{_inflate_info}) {
-      my $deflate = $info->{_inflate_info}{deflate};
-      $self->throw_exception("No deflator for $col") unless defined $deflate;
-      $value = $deflate->($value, $self);          
-    }
-  }
-  $self->store_column($col, $value);
+sub _deflated_column {
+  my ($self, $col, $value) = @_;
+  return $value unless ref $value; # If it's not an object, don't touch it
+  my $info = $self->column_info($col) or
+    $self->throw_exception("No column info for $col");
+  return $value unless exists $info->{_inflate_info};
+  my $deflate = $info->{_inflate_info}{deflate};
+  $self->throw_exception("No deflator for $col") unless defined $deflate;
+  return $deflate->($value, $self);
 }
 
 =head2 get_inflated_column
@@ -114,7 +109,6 @@ sub get_inflated_column {
   my ($self, $col) = @_;
   $self->throw_exception("$col is not an inflated column")
     unless exists $self->column_info($col)->{_inflate_info};
-
   return $self->{_inflated_column}{$col}
     if exists $self->{_inflated_column}{$col};
   return $self->{_inflated_column}{$col} =
@@ -132,11 +126,8 @@ analogous to L<DBIx::Class::Row/set_column>.
 
 sub set_inflated_column {
   my ($self, $col, $obj) = @_;
-  my $old = $self->get_inflated_column($col);
-  my $ret = $self->store_inflated_column($col, $obj);
-  $self->{_dirty_columns}{$col} = 1
-    if (defined $old ^ defined $ret) || (defined $old && $old ne $ret);
-  return $ret;
+  $self->set_column($col, $self->_deflated_column($col, $obj));
+  return $self->store_inflated_column($col, $obj);
 }
 
 =head2 store_inflated_column
@@ -150,13 +141,7 @@ as dirty. This is directly analogous to L<DBIx::Class::Row/store_column>.
 
 sub store_inflated_column {
   my ($self, $col, $obj) = @_;
-  if (ref $obj) {
-    delete $self->{_column_data}{$col};
-    return $self->{_inflated_column}{$col} = $obj;
-  } else {
-    delete $self->{_inflated_column}{$col};
-    return $self->store_column($col, $obj);    
-  }
+  return $self->{_inflated_column}{$col} = $obj;
 }
 
 =head2 get_column
@@ -169,14 +154,21 @@ when the method is invoked.
 
 sub get_column {
   my ($self, $col) = @_;
-  $self->_deflate_column($col);
+  use Carp; confess unless ref $self;
+  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}) {
-    $self->_deflate_column($_) for keys %{$self->{_inflated_column}};
+    foreach my $col (keys %{$self->{_inflated_column}}) {
+      $self->store_column($col, $self->_deflated_column($col))
+       unless exists $self->{_column_data}{$col};
+    }
   }
   return $self->next::method;
 }
diff --git a/lib/DBIx/Class/Row.pm b/lib/DBIx/Class/Row.pm
index 9bc86d7..3efe418 100644
--- a/lib/DBIx/Class/Row.pm
+++ b/lib/DBIx/Class/Row.pm
@@ -210,7 +210,7 @@ Identical to get_columns but only returns those that have been changed.
 
 sub get_dirty_columns {
   my $self = shift;
-  return map { $_ => $self->get_column($_) }
+  return map { $_ => $self->{_column_data}{$_} }
            keys %{$self->{_dirty_columns}};
 }
 
diff --git a/t/68inflate.t b/t/68inflate.t
index 41cf8c8..0ce901c 100644
--- a/t/68inflate.t
+++ b/t/68inflate.t
@@ -11,7 +11,7 @@ my $schema = DBICTest->init_schema();
 eval { require DateTime };
 plan skip_all => "Need DateTime for inflation tests" if $@;
 
-plan tests => 3;
+plan tests => 4;
 
 DBICTest::Schema::CD->inflate_column( 'year',
     { inflate => sub { DateTime->new( year => shift ) },
@@ -24,6 +24,8 @@ my $cd = $schema->resultset("CD")->find(3);
 
 is( ref($cd->year), 'DateTime', 'year is a DateTime, ok' );
 
+is( $cd->year->year, 1997, 'inflated year ok' );
+
 is( $cd->year->month, 1, 'inflated month ok' );
 
 # deflate test