Is there a way to forward to (the end point of) a chained action and run
the whole action chain again?
Simplified example:
sub instance : PathPart('') Chained('/') CaptureArgs(1) {
my ($self, $c, $data_id) = @_;
# fetch data for $data_id and put on stash
$c->stash(data => $self->fetch_data_for_id($data_id));
}
# view data
# /data/<DATA_ID>
sub view : PathPart('') Chained('instance') Args(0) {
my ($self, $c) = @_;
$c->stash(template => 'view.tt');
}
# update data from form
# /data/<DATA_ID>/update
sub update : PathPart Chained('instance') Args(0) {
my ($self, $c) = @_;
my $data = $c->stash->{data};
$self->update_from_form($data);
$c->forward('view'); # view data
}
update() updates the data in the database but $c->stash->{data} is not
changed. Then forward('view') calls view(), but this view's the
unchanged (outdated) data from the stash.
Of course I could do a $c->stash(data => $data) before
$c->forward('view'), but as stated this is only a simple example.
In many cases it would be convenient to have something like
$c->forward_chain('view') to execute all methods of the chain.
Does such a thing exist in Catalyst?
--
Bernhard Graf
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