the-bastion/lib/perl/OVH/Result.pm

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2020-10-16 00:32:37 +08:00
package OVH::Result;
# vim: set filetype=perl ts=4 sw=4 sts=4 et:
use common::sense;
# not enabled on prod, see "trace" comment below
# use Carp ();
# $Carp::MaxArgLen = 512;
# $Carp::MaxArgNums = 32;
use parent qw(Exporter);
our @EXPORT = qw{ R }; ## no critic (AutomaticExportation)
use overload (
'bool' => \&is_ok,
'""' => \&msg,
);
sub new { ## no critic (ArgUnpacking)
my $type = shift;
my %params = @_;
my $err = $params{'err'};
my $value = $params{'value'};
my $msg = $params{'msg'};
my $silent = $params{'silent'};
my $Object = {
err => $err,
value => $value,
msg => $msg,
# uncomment this and 'use Carp' above to trace results,
# slows down code and gets noticeable on very busy bastions
# trace => Carp::longmess("new Result"),
};
bless $Object, 'OVH::Result';
# uncomment this and 'use Carp' above to print on STDERR any non-OK result
# that is generated by any function, helpful to debug complex new features
# print STDERR Carp::longmess("$0 R[" . ($err ? $err : '<u>') . " " . ($value ? $value : '<u>') . " " . ($msg ? $msg : '<u>')) if (!$silent && !$Object->is_ok());
return $Object;
}
sub R { return OVH::Result->new(err => shift, @_); } ## no critic (ArgUnpacking)
=cut uncomment for result tracing
sub R {
my ($package, $filename, $line) = caller(0);
my (undef,undef,undef,$sub) = caller(1);
my $err = shift;
my %params = @_;
print "R[err=$err msg=".$params{'msg'}."] sub=$sub in $filename:$line\n";
return OVH::Result->new(err => $err, %params);
}
=cut
sub err { return shift->{'err'} }
sub value { return shift->{'value'} }
sub msg { return $_[0]->{'msg'} ? $_[0]->{'msg'} : $_[0]->{'err'} } ## no critic (ArgUnpacking)
sub is_err { return shift->{'err'} =~ /^ERR/ }
sub is_ok { return shift->{'err'} =~ /^OK/ }
sub is_ko { return shift->{'err'} =~ /^KO/ }
sub TO_JSON {
my $self = shift;
return {
error_code => $self->err,
value => $self->value,
error_message => $self->msg,
} if (ref $self eq 'OVH::Result');
return {};
}
1;