Try::Tiny conversion finished

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

diff --git a/lib/DBIx/Class/FilterColumn.pm b/lib/DBIx/Class/FilterColumn.pm
index 2f9b4f1..45b798c 100644 (file)
--- a/lib/DBIx/Class/FilterColumn.pm
+++ b/lib/DBIx/Class/FilterColumn.pm
@@ -7,6 +7,10 @@ use base qw/DBIx::Class::Row/;
 sub filter_column {
   my ($self, $col, $attrs) = @_;
 
+  $self->throw_exception("FilterColumn does not work with InflateColumn")
+    if $self->isa('DBIx::Class::InflateColumn') &&
+      defined $self->column_info($col)->{_inflate_info};
+
   $self->throw_exception("No such column $col to filter")
     unless $self->has_column($col);
 
@@ -30,7 +34,7 @@ sub _column_from_storage {
   return $value unless exists $info->{_filter_info};
 
   my $filter = $info->{_filter_info}{filter_from_storage};
-  $self->throw_exception("No inflator for $col") unless defined $filter;
+  $self->throw_exception("No filter for $col") unless defined $filter;
 
   return $self->$filter($value);
 }
@@ -62,7 +66,28 @@ sub get_filtered_column {
   return $self->{_filtered_column}{$col} = $self->_column_from_storage($col, $val);
 }
 
-sub set_column {
+sub get_column {
+  my ($self, $col) = @_;
+  if (exists $self->{_filtered_column}{$col}) {
+    return $self->{_column_data}{$col} ||= $self->_column_to_storage ($col, $self->{_filtered_column}{$col});
+  }
+
+  return $self->next::method ($col);
+}
+
+# sadly a separate codepath in Row.pm ( used by insert() )
+sub get_columns {
+  my $self = shift;
+
+  foreach my $col (keys %{$self->{_filtered_column}||{}}) {
+    $self->{_column_data}{$col} ||= $self->_column_to_storage ($col, $self->{_filtered_column}{$col})
+      if exists $self->{_filtered_column}{$col};
+  }
+
+  $self->next::method (@_);
+}
+
+sub store_column {
   my ($self, $col) = (shift, @_);
 
   # blow cache
@@ -74,23 +99,38 @@ sub set_column {
 sub set_filtered_column {
   my ($self, $col, $filtered) = @_;
 
-  $self->set_column($col, $self->_column_to_storage($col, $filtered));
+  # do not blow up the cache via set_column unless necessary
+  # (filtering may be expensive!)
+  if (exists $self->{_filtered_column}{$col}) {
+    return $filtered
+      if ($self->_eq_column_values ($col, $filtered, $self->{_filtered_column}{$col} ) );
 
-  delete $self->{_filtered_column}{$col};
+    $self->make_column_dirty ($col); # so the comparison won't run again
+  }
+
+  $self->set_column($col, $self->_column_to_storage($col, $filtered));
 
-  return $filtered;
+  return $self->{_filtered_column}{$col} = $filtered;
 }
 
 sub update {
   my ($self, $attrs, @rest) = @_;
+
   foreach my $key (keys %{$attrs||{}}) {
-    if ($self->has_column($key) &&
-          exists $self->column_info($key)->{_filter_info}) {
-      my $val = delete $attrs->{$key};
-      $self->set_filtered_column($key, $val);
-      $attrs->{$key} = $self->_column_to_storage($key, $val)
+    if (
+      $self->has_column($key)
+        &&
+      exists $self->column_info($key)->{_filter_info}
+    ) {
+      $self->set_filtered_column($key, delete $attrs->{$key});
+
+      # FIXME update() reaches directly into the object-hash
+      # and we may *not* have a filtered value there - thus
+      # the void-ctx filter-trigger
+      $self->get_column($key) unless exists $self->{_column_data}{$key};
     }
   }
+
   return $self->next::method($attrs, @rest);
 }
 
@@ -103,10 +143,10 @@ sub new {
   foreach my $key (keys %{$attrs||{}}) {
     if ($obj->has_column($key) &&
           exists $obj->column_info($key)->{_filter_info} ) {
-      my $val = delete $attrs->{$key};
-      $obj->set_filtered_column($key, $val);
+      $obj->set_filtered_column($key, $attrs->{$key});
     }
   }
+
   return $obj;
 }
 
@@ -163,11 +203,3 @@ Returns the filtered value of the column
  $obj->set_filtered_column(colname => 'new_value')
 
 Sets the filtered value of the column
-
-=head2 update
-
-Just overridden to filter changed columns through this component
-
-=head2 new
-
-Just overridden to filter columns through this component