0.08001 because I'm an idiot

[dbsrgits/DBIx-Class-Historic.git] / lib / DBIx / Class / ResultSet.pm

diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm
index e77108b..8f4a5ba 100644 (file)
--- a/lib/DBIx/Class/ResultSet.pm
+++ b/lib/DBIx/Class/ResultSet.pm
@@ -91,8 +91,6 @@ sub new {
 
   if ($attrs->{page}) {
     $attrs->{rows} ||= 10;
-    $attrs->{offset} ||= 0;
-    $attrs->{offset} += ($attrs->{rows} * ($attrs->{page} - 1));
   }
 
   $attrs->{alias} ||= 'me';
@@ -545,7 +543,7 @@ sub single {
     $attrs->{where}, $attrs
   );
 
-  return (@data ? ($self->_construct_object(@data))[0] : ());
+  return (@data ? ($self->_construct_object(@data))[0] : undef);
 }
 
 # _is_unique_query
@@ -740,7 +738,7 @@ sub next {
       ? @{delete $self->{stashed_row}}
       : $self->cursor->next
   );
-  return unless (@row);
+  return undef unless (@row);
   my ($row, @more) = $self->_construct_object(@row);
   $self->{stashed_objects} = \@more if @more;
   return $row;
@@ -937,7 +935,9 @@ sub count {
   my $count = $self->_count;
   return 0 unless $count;
 
-  $count -= $self->{attrs}{offset} if $self->{attrs}{offset};
+  # need to take offset from resolved attrs
+
+  $count -= $self->{_attrs}{offset} if $self->{_attrs}{offset};
   $count = $self->{attrs}{rows} if
     $self->{attrs}{rows} and $self->{attrs}{rows} < $count;
   return $count;
@@ -1244,7 +1244,7 @@ sub delete_all {
 
 =over 4
 
-=item Arguments: $source_name, \@data;
+=item Arguments: \@data;
 
 =back
 
@@ -1280,11 +1280,11 @@ Example:  Assuming an Artist Class that has many CDs Classes relating:
   ## Array Context Example
   my ($ArtistOne, $ArtistTwo, $ArtistThree) = $Artist_rs->populate([
     { name => "Artist One"},
-       { name => "Artist Two"},
-       { name => "Artist Three", cds=> [
-         { title => "First CD", year => 2007},
-         { title => "Second CD", year => 2008},
-       ]}
+    { name => "Artist Two"},
+    { name => "Artist Three", cds=> [
+    { title => "First CD", year => 2007},
+    { title => "Second CD", year => 2008},
+  ]}
   ]);
   
   print $ArtistOne->name; ## response is 'Artist One'
@@ -1304,8 +1304,35 @@ sub populate {
   } else {
     my ($first, @rest) = @$data;
 
-    my @names = grep { !ref $first->{$_} } keys %$first;
+    my @names = grep {!ref $first->{$_}} keys %$first;
+    my @rels = grep { $self->result_source->has_relationship($_) } keys %$first;
+    my @pks = $self->result_source->primary_columns;  
 
+    ## do the belongs_to relationships  
+    foreach my $index (0..$#$data) {
+      if( grep { !defined $data->[$index]->{$_} } @pks ) {
+        my @ret = $self->populate($data);
+        return;
+      }
+    
+      foreach my $rel (@rels) {
+        next unless $data->[$index]->{$rel} && ref $data->[$index]->{$rel} eq "HASH";
+        my $result = $self->related_resultset($rel)->create($data->[$index]->{$rel});
+        my ($reverse) = keys %{$self->result_source->reverse_relationship_info($rel)};
+        my $related = $result->result_source->resolve_condition(
+          $result->result_source->relationship_info($reverse)->{cond},
+          $self,        
+          $result,        
+        );
+
+        delete $data->[$index]->{$rel};
+        $data->[$index] = {%{$data->[$index]}, %$related};
+      
+        push @names, keys %$related if $index == 0;
+      }
+    }
+
+    ## do bulk insert on current row
     my @values = map {
       [ map {
          defined $_ ? $_ : $self->throw_exception("Undefined value for column!")
@@ -1318,17 +1345,17 @@ sub populate {
       \@values,
     );
 
-    my @rels = grep { $self->result_source->has_relationship($_) } keys %$first;
-    my @pks = $self->result_source->primary_columns;
-
+    ## do the has_many relationships
     foreach my $item (@$data) {
 
       foreach my $rel (@rels) {
-        next unless $item->{$rel};
+        next unless $item->{$rel} && ref $item->{$rel} eq "ARRAY";
 
-        my $parent = $self->find(map {{$_=>$item->{$_}} } @pks) || next;
+        my $parent = $self->find(map {{$_=>$item->{$_}} } @pks) 
+     || $self->throw_exception('Cannot find the relating object.');
+     
         my $child = $parent->$rel;
-               
+    
         my $related = $child->result_source->resolve_condition(
           $parent->result_source->relationship_info($rel)->{cond},
           $child,
@@ -1417,7 +1444,8 @@ sub new_result {
   my %new = (
     %{ $self->_remove_alias($values, $alias) },
     %{ $self->_remove_alias($collapsed_cond, $alias) },
-    -source_handle => $self->_source_handle
+    -source_handle => $self->_source_handle,
+    -result_source => $self->result_source, # DO NOT REMOVE THIS, REQUIRED
   );
 
   return $self->result_class->new(\%new);
@@ -1723,18 +1751,36 @@ sub related_resultset {
     my $join_count = $seen->{$rel};
     my $alias = ($join_count > 1 ? join('_', $rel, $join_count) : $rel);
 
-    $self->_source_handle->schema->resultset($rel_obj->{class})->search_rs(
-      undef, {
-        %{$self->{attrs}||{}},
-        join => undef,
-        prefetch => undef,
-        select => undef,
-        as => undef,
-        alias => $alias,
-        where => $self->{cond},
-        seen_join => $seen,
-        from => $from,
-    });
+    #XXX - temp fix for result_class bug. There likely is a more elegant fix -groditi
+    my %attrs = %{$self->{attrs}||{}};
+    delete $attrs{result_class};
+
+    my $new_cache;
+
+    if (my $cache = $self->get_cache) {
+      if ($cache->[0] && $cache->[0]->related_resultset($rel)->get_cache) {
+        $new_cache = [ map { @{$_->related_resultset($rel)->get_cache} }
+                        @$cache ];
+      }
+    }
+
+    my $new = $self->_source_handle
+                   ->schema
+                   ->resultset($rel_obj->{class})
+                   ->search_rs(
+                       undef, {
+                         %attrs,
+                         join => undef,
+                         prefetch => undef,
+                         select => undef,
+                         as => undef,
+                         alias => $alias,
+                         where => $self->{cond},
+                         seen_join => $seen,
+                         from => $from,
+                     });
+    $new->set_cache($new_cache) if $new_cache;
+    $new;
   };
 }
 
@@ -1849,6 +1895,11 @@ sub _resolved_attrs {
   }
   $attrs->{collapse} = $collapse;
 
+  if ($attrs->{page}) {
+    $attrs->{offset} ||= 0;
+    $attrs->{offset} += ($attrs->{rows} * ($attrs->{page} - 1));
+  }
+
   return $self->{_attrs} = $attrs;
 }