More information:
I did a minimal test (using HTML::FormFu, without catalyst, with only a
single DateTime field in the form),
and I still get the error. I can confirm that in this simplified
scenario, the deflation function never gets called,
and the error is:
Invalid date format: 1275900620 at
/usr/share/perl5/HTML/FormFu/Element/Date.pm line 164
Is this a bug in Element::DateTime, or do I fundamentaly misunderstand
how inflation/deflation works?
On 06/05/2010 03:04 PM, Matija Grabnar wrote:
I have a form which I get from a database row. One of the columns in
the database is date/time in epoch format, and I want to transform it
so that FormFu will display the DateTime element.
I was able to inflate the values I got from the browser, because I
could see what FormFu was passing to
my deflation routine, but I'm not able to get the deflation routine
ready. I get the epoch string, and I tried returning either a DateTime
object, or a date-and-time string.
I can see that the deflation gets called correctly. I can see that the
DateTime object is correctly created
and returned to FormFu without error, but from Catalyst I get back
Caught exception in MyApp::Controller::Admin->coupon_edit "Invalid
date format: 1318658400 at /usr/share/perl5/Catalyst/Action.pm line 65"
Note that this error message is very opaque: it reports the error from
a location in Catalyst itself, with no indication where the error
actually happened. Also note that it complains about my ORIGINAL
value, NOT the just-deflated value that my deflation routine returned.
Here is the part of my form.yaml
- type: DateTime
name: valid_until
auto_inflate: 1
deflators:
- type: Callback
callback: "MyApp::Forms::epoch_to_datetime"
inflators:
- type: Callback
callback: "MyApp::Forms::datetime_to_epoch"
I tried both WITH and WITHOUT auto_inflate.
This is my deflator routine:
sub epoch_to_datetime {
foreach (@_) {
warn "Parameter to deflate to datetime: [$_]\n";
}
my $value = shift;
return undef unless defined($value);
$value = DateTime->from_epoch(epoch=>$value);
warn "New value is $value\n";
return $value;
}
Any ideas on what I could try? Is the deflated value thrown away in
FormFu DateTime? Or is just the error message referencing the
pre-deflated value to be more programmer friendly?
If so, what can I return so that the FormFu DateTime element will
accept and display it?
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