Say in my controller I'm 5 levels deep and discover there is a problem with
the user's input. I call:
$c->render(
template => 'errors/badValues',
message => 'The value of foo cannot be "bar"',
);
And now I want to stop the entire request right there. I guess the
behaviour I'm looking for is that of an exception - return up the call
stack - without having to do something with a return value and then
callSub()
or return;
at every stack level. So what I've done is create an exception type and
$c->render(
template => 'errors/badValues',
message => 'The value of foo cannot be "bar"',
);
die(StopRenderingException->new());
And then in setup:
$self->hook( around_dispatch => sub {
my ( $next, $c ) = @_;
eval {
$next->();
};
if ($@) {
my $err = $@;
if (blessed($err) && $err->isa('StopRenderingException')) {
return;
} else {
die $err;
}
}
});
It does have a hacky smell to it though. Is there a better best-practice?
Peter
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