Re: Validating a HABTM relationship
Found a solution:
As far as I can tell, the validation methods expect the data all to be
in (for example) $this->data['Question']['FunctionalArea'].
(See line 2196 of model.php, where the only data considered for
validation is in $this->data['Question'].)
But the save method expects all the data to be in $this->data
['FunctionalArea']['FunctionalArea'].
(See lines 1120-1125 of model.php, which considers everything in $this-
>data, including HABTM relationships.)
So I my View posts the data to $this->data['FunctionalArea']
['FunctionalArea'], and in the Controller I copy it to $this->data
['Question']['FunctionalArea'], so that both validation and saving
work.
On Aug 10, 5:24 pm, mcrawford wrote:
> Hmm, this is not quite right either. Now the associated models do not
> save...
> According tohttp://book.cakephp.org/view/85/Saving-Related-Model-Data-HABTM
> I should be using
> $form->input('FunctionalArea')
> but that doesn't work with the validation. But it does work with the
> save function.
>
> Dave, thanks, I did find that link when Googling for a solution. I was
> hoping to avoid writing my own validation method since the multiple
> one does exist, although it doesn't sound like people are having
> success using it.
>
> On Aug 10, 11:49 am, mcrawford wrote:
>
> > Ah, I found it in the Form helper...
>
> > $form->input('Question.FunctionalArea')
>
> > I need to use the full dot-separated name of the field to get the form
> > field to be what the validation is expecting.
>
> > On Aug 10, 11:32 am, mcrawford wrote:
>
> > > Hi,
>
> > > I have a model set up like this:
>
> > > class Question extends AppModel {
> > > var $name = 'Question';
> > > var $hasAndBelongsToMany = array(
> > > 'FunctionalArea' => array('joinTable' =>
> > > 'question_functions')
> > > );
> > > var $validate = array(
> > > 'title' => 'notEmpty',
> > > 'content' => 'notEmpty',
> > > 'FunctionalArea' => array(
> > > 'rule' => array('multiple', array('min'=>1)),
> > > 'required' => true
> > > )
> > > );
>
> > > }
>
> > > Then in my form I set up an input with FunctionalArea as the field
> > > name, using Cake's form helper. This produces an input with name="data
> > > [FunctionalArea][FunctionalArea][]". Now if I save the form with NO
> > > validation, the vanilla $this->Question->save($this->data); works just
> > > fine. The join table is all correct after saving.
>
> > > But when I put in that validation for FunctionalArea that I have in
> > > the above code, the validation doesn't work correctly. The model's
> > > invalidFields method does this:
> > > if (isset($data[$this->alias])) {
> > > $data = $data[$this->alias];}
>
> > > So that the data in data[FunctionalArea][FunctionalArea] never gets to
> > > the validate method. So the validation always fails (because
> > > FunctionalArea is required).
>
> > > My question is: what is the correct Cake way to do this? I'm trying to
> > > use the automatic save feature, form fields, and the validation, but I
> > > don't see how I can use them together, because the validation seems to
> > > be ignoring the very place where the save needs the data.
>
>
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Re: Validating a HABTM relationship
Hmm, this is not quite right either. Now the associated models do not
save...
According to http://book.cakephp.org/view/85/Saving-Related-Model-Data-HABTM
I should be using
$form->input('FunctionalArea')
but that doesn't work with the validation. But it does work with the
save function.
Dave, thanks, I did find that link when Googling for a solution. I was
hoping to avoid writing my own validation method since the multiple
one does exist, although it doesn't sound like people are having
success using it.
On Aug 10, 11:49 am, mcrawford wrote:
> Ah, I found it in the Form helper...
>
> $form->input('Question.FunctionalArea')
>
> I need to use the full dot-separated name of the field to get the form
> field to be what the validation is expecting.
>
> On Aug 10, 11:32 am, mcrawford wrote:
>
> > Hi,
>
> > I have a model set up like this:
>
> > class Question extends AppModel {
> > var $name = 'Question';
> > var $hasAndBelongsToMany = array(
> > 'FunctionalArea' => array('joinTable' =>
> > 'question_functions')
> > );
> > var $validate = array(
> > 'title' => 'notEmpty',
> > 'content' => 'notEmpty',
> > 'FunctionalArea' => array(
> > 'rule' => array('multiple', array('min'=>1)),
> > 'required' => true
> > )
> > );
>
> > }
>
> > Then in my form I set up an input with FunctionalArea as the field
> > name, using Cake's form helper. This produces an input with name="data
> > [FunctionalArea][FunctionalArea][]". Now if I save the form with NO
> > validation, the vanilla $this->Question->save($this->data); works just
> > fine. The join table is all correct after saving.
>
> > But when I put in that validation for FunctionalArea that I have in
> > the above code, the validation doesn't work correctly. The model's
> > invalidFields method does this:
> > if (isset($data[$this->alias])) {
> > $data = $data[$this->alias];}
>
> > So that the data in data[FunctionalArea][FunctionalArea] never gets to
> > the validate method. So the validation always fails (because
> > FunctionalArea is required).
>
> > My question is: what is the correct Cake way to do this? I'm trying to
> > use the automatic save feature, form fields, and the validation, but I
> > don't see how I can use them together, because the validation seems to
> > be ignoring the very place where the save needs the data.
>
>
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Re: Validating a HABTM relationship
Ah, I found it in the Form helper...
$form->input('Question.FunctionalArea')
I need to use the full dot-separated name of the field to get the form
field to be what the validation is expecting.
On Aug 10, 11:32 am, mcrawford wrote:
> Hi,
>
> I have a model set up like this:
>
> class Question extends AppModel {
> var $name = 'Question';
> var $hasAndBelongsToMany = array(
> 'FunctionalArea' => array('joinTable' => 'question_functions')
> );
> var $validate = array(
> 'title' => 'notEmpty',
> 'content' => 'notEmpty',
> 'FunctionalArea' => array(
> 'rule' => array('multiple', array('min'=>1)),
> 'required' => true
> )
> );
>
> }
>
> Then in my form I set up an input with FunctionalArea as the field
> name, using Cake's form helper. This produces an input with name="data
> [FunctionalArea][FunctionalArea][]". Now if I save the form with NO
> validation, the vanilla $this->Question->save($this->data); works just
> fine. The join table is all correct after saving.
>
> But when I put in that validation for FunctionalArea that I have in
> the above code, the validation doesn't work correctly. The model's
> invalidFields method does this:
> if (isset($data[$this->alias])) {
> $data = $data[$this->alias];}
>
> So that the data in data[FunctionalArea][FunctionalArea] never gets to
> the validate method. So the validation always fails (because
> FunctionalArea is required).
>
> My question is: what is the correct Cake way to do this? I'm trying to
> use the automatic save feature, form fields, and the validation, but I
> don't see how I can use them together, because the validation seems to
> be ignoring the very place where the save needs the data.
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Validating a HABTM relationship
Hi,
I have a model set up like this:
class Question extends AppModel {
var $name = 'Question';
var $hasAndBelongsToMany = array(
'FunctionalArea' => array('joinTable' => 'question_functions')
);
var $validate = array(
'title' => 'notEmpty',
'content' => 'notEmpty',
'FunctionalArea' => array(
'rule' => array('multiple', array('min'=>1)),
'required' => true
)
);
}
Then in my form I set up an input with FunctionalArea as the field
name, using Cake's form helper. This produces an input with name="data
[FunctionalArea][FunctionalArea][]". Now if I save the form with NO
validation, the vanilla $this->Question->save($this->data); works just
fine. The join table is all correct after saving.
But when I put in that validation for FunctionalArea that I have in
the above code, the validation doesn't work correctly. The model's
invalidFields method does this:
if (isset($data[$this->alias])) {
$data = $data[$this->alias];
}
So that the data in data[FunctionalArea][FunctionalArea] never gets to
the validate method. So the validation always fails (because
FunctionalArea is required).
My question is: what is the correct Cake way to do this? I'm trying to
use the automatic save feature, form fields, and the validation, but I
don't see how I can use them together, because the validation seems to
be ignoring the very place where the save needs the data.
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