use warnings;
use strict;
-use Carp;
use Config;
+use Carp 'confess';
+use Scalar::Util qw(blessed refaddr);
use base 'Exporter';
-our @EXPORT_OK = qw/local_umask stacktrace/;
+our @EXPORT_OK = qw(local_umask stacktrace check_customcond_args);
sub local_umask {
return unless defined $Config{d_umask};
}
}
-
sub stacktrace {
my $frame = shift;
$frame++;
return join "\tinvoked as ", map { sprintf ("%s at %s line %d\n", @$_ ) } @stack;
}
+sub check_customcond_args ($) {
+ my $args = shift;
+
+ confess "Expecting a hashref"
+ unless ref $args eq 'HASH';
+
+ for (qw(rel_name foreign_relname self_alias foreign_alias)) {
+ confess "Custom condition argument '$_' must be a plain string"
+ if length ref $args->{$_} or ! length $args->{$_};
+ }
+
+ confess "Current and legacy rel_name arguments do not match"
+ if $args->{rel_name} ne $args->{foreign_relname};
+
+ confess "Custom condition argument 'self_resultsource' must be a rsrc instance"
+ unless defined blessed $args->{self_resultsource} and $args->{self_resultsource}->isa('DBIx::Class::ResultSource');
+
+ confess "Passed resultsource has no record of the supplied rel_name - likely wrong \$rsrc"
+ unless ref $args->{self_resultsource}->relationship_info($args->{rel_name});
+
+ if (defined $args->{self_resultobj} or defined $args->{self_rowobj} ) {
+ for (qw(self_resultobj self_rowobj)) {
+ confess "Custom condition argument '$_' must be a result instance"
+ unless defined blessed $args->{$_} and $args->{$_}->isa('DBIx::Class::Row');
+ }
+
+ confess "Current and legacy self_resultobj arguments do not match"
+ if refaddr($args->{self_resultobj}) != refaddr($args->{self_rowobj});
+ }
+
+ $args;
+}
+
1;