use strict;
use warnings;
+use Carp qw/croak/;
use overload
'0+' => 'count',
+ 'bool' => sub { 1; },
fallback => 1;
use Data::Page;
+use Storable;
=head1 NAME
=cut
sub new {
- my ($class, $source, $attrs) = @_;
- #use Data::Dumper; warn Dumper(@_);
- $class = ref $class if ref $class;
- $attrs = { %{ $attrs || {} } };
+ my $class = shift;
+ return $class->new_result(@_) if ref $class;
+ my ($source, $attrs) = @_;
+ #use Data::Dumper; warn Dumper($attrs);
+ $attrs = Storable::dclone($attrs || {}); # { %{ $attrs || {} } };
my %seen;
my $alias = ($attrs->{alias} ||= 'me');
- if (!$attrs->{select}) {
+ if ($attrs->{cols} || !$attrs->{select}) {
+ delete $attrs->{as} if $attrs->{cols};
my @cols = ($attrs->{cols}
? @{delete $attrs->{cols}}
- : $source->result_class->_select_columns);
+ : $source->columns);
$attrs->{select} = [ map { m/\./ ? $_ : "${alias}.$_" } @cols ];
}
$attrs->{as} ||= [ map { m/^$alias\.(.*)$/ ? $1 : $_ } @{$attrs->{select}} ];
#use Data::Dumper; warn Dumper(@{$attrs}{qw/select as/});
- $attrs->{from} ||= [ { $alias => $source->name } ];
+ $attrs->{from} ||= [ { $alias => $source->from } ];
if (my $join = delete $attrs->{join}) {
foreach my $j (ref $join eq 'ARRAY'
? (@{$join}) : ($join)) {
$seen{$j} = 1;
}
}
- push(@{$attrs->{from}}, $source->result_class->_resolve_join($join, $attrs->{alias}));
+ push(@{$attrs->{from}}, $source->resolve_join($join, $attrs->{alias}));
}
$attrs->{group_by} ||= $attrs->{select} if delete $attrs->{distinct};
foreach my $pre (@{delete $attrs->{prefetch} || []}) {
- push(@{$attrs->{from}}, $source->result_class->_resolve_join($pre, $attrs->{alias}))
+ push(@{$attrs->{from}}, $source->resolve_join($pre, $attrs->{alias}))
unless $seen{$pre};
my @pre =
map { "$pre.$_" }
- $source->result_class->_relationships->{$pre}->{class}->columns;
+ $source->related_source($pre)->columns;
push(@{$attrs->{select}}, @pre);
push(@{$attrs->{as}}, @pre);
}
my $where = (@_ ? ((@_ == 1 || ref $_[0] eq "HASH") ? shift : {@_}) : undef());
if (defined $where) {
$where = (defined $attrs->{where}
- ? { '-and' => [ $where, $attrs->{where} ] }
+ ? { '-and' =>
+ [ map { ref $_ eq 'ARRAY' ? [ -or => $_ ] : $_ }
+ $where, $attrs->{where} ] }
: $where);
$attrs->{where} = $where;
}
- my $rs = $self->new($self->{source}, $attrs);
+ my $rs = (ref $self)->new($self->{source}, $attrs);
return (wantarray ? $rs->all : $rs);
}
sub search_related {
my ($self, $rel, @rest) = @_;
- my $rel_obj = $self->{source}->result_class->_relationships->{$rel};
+ my $rel_obj = $self->{source}->relationship_info($rel);
$self->{source}->result_class->throw(
"No such relationship ${rel} in search_related")
unless $rel_obj;
- my $r_class = $self->{source}->result_class->resolve_class($rel_obj->{class});
- my $source = $r_class->result_source;
- $source = bless({ %{$source} }, ref $source || $source);
- $source->storage($self->{source}->storage);
- $source->result_class($r_class);
my $rs = $self->search(undef, { join => $rel });
- #use Data::Dumper; warn Dumper($rs);
- return $source->resultset_class->new(
- $source, { %{$rs->{attrs}},
- alias => $rel,
- select => undef(),
- as => undef() }
+ return $self->{source}->schema->resultset($rel_obj->{class}
+ )->search( undef,
+ { %{$rs->{attrs}},
+ alias => $rel,
+ select => undef(),
+ as => undef() }
)->search(@rest);
}
$attrs->{offset} ||= 0;
$attrs->{offset} += $min;
$attrs->{rows} = ($max ? ($max - $min + 1) : 1);
- my $slice = $self->new($self->{source}, $attrs);
+ my $slice = (ref $self)->new($self->{source}, $attrs);
return (wantarray ? $slice->all : $slice);
}
$me{$col} = shift @row;
}
}
- my $new = $self->{source}->result_class->inflate_result(\%me, \%pre);
+ my $new = $self->{source}->result_class->inflate_result(
+ $self->{source}, \%me, \%pre);
$new = $self->{attrs}{record_filter}->($new)
if exists $self->{attrs}{record_filter};
return $new;
sub count {
my $self = shift;
return $self->search(@_)->count if @_ && defined $_[0];
- die "Unable to ->count with a GROUP BY" if defined $self->{attrs}{group_by};
+ croak "Unable to ->count with a GROUP BY" if defined $self->{attrs}{group_by};
unless (defined $self->{count}) {
my $attrs = { %{ $self->{attrs} },
select => { 'count' => '*' },
as => [ 'count' ] };
- # offset, order by and page are not needed to count
- delete $attrs->{$_} for qw/rows offset order_by page pager/;
+ # offset, order by and page are not needed to count. record_filter is cdbi
+ delete $attrs->{$_} for qw/rows offset order_by page pager record_filter/;
- ($self->{count}) = $self->new($self->{source}, $attrs)->cursor->next;
+ ($self->{count}) = (ref $self)->new($self->{source}, $attrs)->cursor->next;
}
return 0 unless $self->{count};
my $count = $self->{count};
return $_[0]->reset->next;
}
+=head2 update(\%values)
+
+Sets the specified columns in the resultset to the supplied values
+
+=cut
+
+sub update {
+ my ($self, $values) = @_;
+ croak "Values for update must be a hash" unless ref $values eq 'HASH';
+ return $self->{source}->storage->update(
+ $self->{source}->from, $values, $self->{cond});
+}
+
+=head2 update_all(\%values)
+
+Fetches all objects and updates them one at a time. ->update_all will run
+cascade triggers, ->update will not.
+
+=cut
+
+sub update_all {
+ my ($self, $values) = @_;
+ croak "Values for update must be a hash" unless ref $values eq 'HASH';
+ foreach my $obj ($self->all) {
+ $obj->set_columns($values)->update;
+ }
+ return 1;
+}
+
=head2 delete
-Deletes all elements in the resultset.
+Deletes the contents of the resultset from its result source.
=cut
sub delete {
my ($self) = @_;
- $_->delete for $self->all;
+ $self->{source}->storage->delete($self->{source}->from, $self->{cond});
return 1;
}
-*delete_all = \&delete; # Yeah, yeah, yeah ...
+=head2 delete_all
+
+Fetches all objects and deletes them one at a time. ->delete_all will run
+cascade triggers, ->delete will not.
+
+=cut
+
+sub delete_all {
+ my ($self) = @_;
+ $_->delete for $self->all;
+ return 1;
+}
=head2 pager
sub pager {
my ($self) = @_;
my $attrs = $self->{attrs};
- die "Can't create pager for non-paged rs" unless $self->{page};
+ croak "Can't create pager for non-paged rs" unless $self->{page};
$attrs->{rows} ||= 10;
$self->count;
return $self->{pager} ||= Data::Page->new(
my ($self, $page) = @_;
my $attrs = { %{$self->{attrs}} };
$attrs->{page} = $page;
- return $self->new($self->{source}, $attrs);
+ return (ref $self)->new($self->{source}, $attrs);
+}
+
+=head2 new_result(\%vals)
+
+Creates a result in the resultset's result class
+
+=cut
+
+sub new_result {
+ my ($self, $values) = @_;
+ $self->{source}->result_class->throw( "new_result needs a hash" )
+ unless (ref $values eq 'HASH');
+ $self->{source}->result_class->throw( "Can't abstract implicit construct, condition not a hash" )
+ if ($self->{cond} && !(ref $self->{cond} eq 'HASH'));
+ my %new = %$values;
+ my $alias = $self->{attrs}{alias};
+ foreach my $key (keys %{$self->{cond}||{}}) {
+ $new{$1} = $self->{cond}{$key} if ($key =~ m/^(?:$alias\.)?([^\.]+)$/);
+ }
+ my $obj = $self->{source}->result_class->new(\%new);
+ $obj->result_source($self->{source}) if $obj->can('result_source');
+ $obj;
+}
+
+=head2 create(\%vals)
+
+Inserts a record into the resultset and returns the object
+
+Effectively a shortcut for ->new_result(\%vals)->insert
+
+=cut
+
+sub create {
+ my ($self, $attrs) = @_;
+ $self->{source}->result_class->throw( "create needs a hashref" ) unless ref $attrs eq 'HASH';
+ return $self->new_result($attrs)->insert;
+}
+
+=head2 find_or_create(\%vals)
+
+ $class->find_or_create({ key => $val, ... });
+
+Searches for a record matching the search condition; if it doesn't find one,
+creates one and returns that instead.
+
+=cut
+
+sub find_or_create {
+ my $self = shift;
+ my $hash = ref $_[0] eq "HASH" ? shift: {@_};
+ my $exists = $self->find($hash);
+ return defined($exists) ? $exists : $self->create($hash);
}
=head1 ATTRIBUTES
For a paged resultset, how many rows per page
-=head2 group_by
+=head2 group_by (listref)
-A list of columns to group by (note that 'count' doesn't work on grouped
+A listref of columns to group by (note that 'count' doesn't work on grouped
resultsets)
+ group_by => [qw/ column1 column2 ... /]
+
=head2 distinct
Set to 1 to group by all columns