Added has_column and column_info methods

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / InflateColumn.pm

diff --git a/lib/DBIx/Class/InflateColumn.pm b/lib/DBIx/Class/InflateColumn.pm
index 7a8a613..01d9e33 100644 (file)
--- a/lib/DBIx/Class/InflateColumn.pm
+++ b/lib/DBIx/Class/InflateColumn.pm
@@ -5,9 +5,9 @@ use warnings;
 
 sub inflate_column {
   my ($self, $col, $attrs) = @_;
-  die "No such column $col to inflate" unless exists $self->_columns->{$col};
+  die "No such column $col to inflate" unless $self->has_column($col);
   die "inflate_column needs attr hashref" unless ref $attrs eq 'HASH';
-  $self->_columns->{$col}{_inflate_info} = $attrs;
+  $self->column_info($col)->{_inflate_info} = $attrs;
   $self->mk_group_accessors('inflated_column' => $col);
   return 1;
 }
@@ -15,25 +15,27 @@ sub inflate_column {
 sub _inflated_column {
   my ($self, $col, $value) = @_;
   return $value unless defined $value; # NULL is NULL is NULL
-  return $value unless exists $self->_columns->{$col}{_inflate_info};
-  return $value unless exists $self->_columns->{$col}{_inflate_info}{inflate};
-  my $inflate = $self->_columns->{$col}{_inflate_info}{inflate};
+  my $info = $self->column_info($col) || die "No column info for $col";
+  return $value unless exists $info->{_inflate_info};
+  my $inflate = $info->{_inflate_info}{inflate};
+  die "No inflator for $col" unless defined $inflate;
   return $inflate->($value, $self);
 }
 
 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 exists $self->_columns->{$col}{_inflate_info};
-  return $value unless exists $self->_columns->{$col}{_inflate_info}{deflate};
-  my $deflate = $self->_columns->{$col}{_inflate_info}{deflate};
+  my $info = $self->column_info($col) || die "No column info for $col";
+  return $value unless exists $info->{_inflate_info};
+  my $deflate = $info->{_inflate_info}{deflate};
+  die "No deflator for $col" unless defined $deflate;
   return $deflate->($value, $self);
 }
 
 sub get_inflated_column {
   my ($self, $col) = @_;
   $self->throw("$col is not an inflated column") unless
-    exists $self->_columns->{$col}{_inflate_info};
+    exists $self->column_info($col)->{_inflate_info};
 
   return $self->{_inflated_column}{$col}
     if exists $self->{_inflated_column}{$col};
@@ -68,7 +70,8 @@ sub new {
   my ($class, $attrs, @rest) = @_;
   $attrs ||= {};
   foreach my $key (keys %$attrs) {
-    if (ref $attrs->{$key} && exists $class->_columns->{$key}{_inflate_info}) {
+    if (ref $attrs->{$key}
+          && exists $class->column_info($key)->{_inflate_info}) {
       $attrs->{$key} = $class->_deflated_column($key, $attrs->{$key});
     }
   }