X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FOrdered.pm;h=bf7f954ff55c6da6e8f60a1c13432e215a095afd;hb=59d017a017e04267fddc5c90ac474032614cf5dd;hp=e227d23ad3117a76e0c1c27d165c0e9e94a673a8;hpb=5529838f7afff91467ef2664087999ab222da48d;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Ordered.pm b/lib/DBIx/Class/Ordered.pm index e227d23..bf7f954 100644 --- a/lib/DBIx/Class/Ordered.pm +++ b/lib/DBIx/Class/Ordered.pm @@ -3,9 +3,6 @@ use strict; use warnings; use base qw( DBIx::Class ); -use List::Util 'first'; -use namespace::clean; - =head1 NAME DBIx::Class::Ordered - Modify the position of objects in an ordered list. @@ -109,7 +106,7 @@ positional value of each record. Defaults to "position". =cut -__PACKAGE__->mk_classdata( 'position_column' => 'position' ); +__PACKAGE__->mk_classaccessor( 'position_column' => 'position' ); =head2 grouping_column @@ -121,7 +118,7 @@ ordered lists within the same table. =cut -__PACKAGE__->mk_classdata( 'grouping_column' ); +__PACKAGE__->mk_group_accessors( inherited => 'grouping_column' ); =head2 null_position_value @@ -136,7 +133,7 @@ indeed start from 0. =cut -__PACKAGE__->mk_classdata( 'null_position_value' => 0 ); +__PACKAGE__->mk_classaccessor( 'null_position_value' => 0 ); =head2 siblings @@ -367,8 +364,10 @@ sub move_to { my $position_column = $self->position_column; + my $rsrc = $self->result_source; + my $is_txn; - if ($is_txn = $self->result_source->schema->storage->transaction_depth) { + if ($is_txn = $rsrc->schema->storage->transaction_depth) { # Reload position state from storage # The thinking here is that if we are in a transaction, it is # *more likely* the object went out of sync due to resultset @@ -378,8 +377,7 @@ sub move_to { $self->store_column( $position_column, - ( $self->result_source - ->resultset + ( $rsrc->resultset ->search($self->_storage_ident_condition, { rows => 1, columns => $position_column }) ->cursor ->next @@ -403,7 +401,7 @@ sub move_to { return 0; } - my $guard = $is_txn ? undef : $self->result_source->schema->txn_scope_guard; + my $guard = $is_txn ? undef : $rsrc->schema->txn_scope_guard; my ($direction, @between); if ( $from_position < $to_position ) { @@ -418,7 +416,7 @@ sub move_to { my $new_pos_val = $self->_position_value ($to_position); # record this before the shift # we need to null-position the moved row if the position column is part of a constraint - if (grep { $_ eq $position_column } ( map { @$_ } (values %{{ $self->result_source->unique_constraints }} ) ) ) { + if (grep { $_ eq $position_column } ( map { @$_ } (values %{{ $rsrc->unique_constraints }} ) ) ) { $self->_ordered_internal_update({ $position_column => $self->null_position_value }); } @@ -564,7 +562,7 @@ sub update { if (! keys %$changed_ordering_cols) { return $self->next::method( undef, @_ ); } - elsif (defined first { exists $changed_ordering_cols->{$_} } @group_columns ) { + elsif (grep { exists $changed_ordering_cols->{$_} } @group_columns ) { $self->move_to_group( # since the columns are already re-set the _grouping_clause is correct # move_to_group() knows how to get the original storage values @@ -614,7 +612,11 @@ sub delete { # add the current position/group to the things we track old values for sub _track_storage_value { my ($self, $col) = @_; - return $self->next::method($col) || defined first { $_ eq $col } ($self->position_column, $self->_grouping_columns); + return ( + $self->next::method($col) + || + grep { $_ eq $col } ($self->position_column, $self->_grouping_columns) + ); } =head1 METHODS FOR EXTENDING ORDERED @@ -678,7 +680,7 @@ L below. Defaults to 1. =cut -__PACKAGE__->mk_classdata( '_initial_position_value' => 1 ); +__PACKAGE__->mk_classaccessor( '_initial_position_value' => 1 ); =head2 _next_position_value @@ -740,7 +742,7 @@ sub _shift_siblings { local $rsrc->schema->{_ORDERED_INTERNAL_UPDATE} = 1; my @pcols = $rsrc->primary_columns; if ( - first { $_ eq $position_column } ( map { @$_ } (values %{{ $rsrc->unique_constraints }} ) ) + grep { $_ eq $position_column } ( map { @$_ } (values %{{ $rsrc->unique_constraints }} ) ) ) { my $clean_rs = $rsrc->resultset; @@ -895,15 +897,13 @@ up-to-date before proceeding, otherwise undefined behavior will result. Using a database defined default_value on one of your group columns could result in the position not being assigned correctly. -=head1 AUTHOR - - Original code framework - Aran Deltac - - Constraints support and code generalisation - Peter Rabbitson +=head1 FURTHER QUESTIONS? -=head1 LICENSE +Check the list of L. -You may distribute this code under the same terms as Perl itself. +=head1 COPYRIGHT AND LICENSE +This module is free software L +by the L. You can +redistribute it and/or modify it under the same terms as the +L.