On Sun, Feb 20, 2011 at 8:22 AM, Krissy Masters
<[email protected]> wrote:
> Not sure why I only thought of this now.
>
> Any form: quick dummy function
>
> function edit() {
>
> If(!empty($this->data)) {
>
> If($this->save());
>
> // whatever
> }
> $countries = $this->Model->_getCountries(); // returns list of countries
> $this->set(compact('countries'));
>
>
> }
>
> So you have a full list of countries in the form user can select from.
>
> $validate array() in model I have a function to check the country_id value
> and that function also uses _getCountries();
>
> public function checkCountryValues( $data, $field ){
>
> $valid = false;
> if( !empty( $this->data[$this->alias][$field] ) ) {
> if ( array_key_exists($this->data[$this->alias][$field],
> $this->_getCountries() ) ){
> $valid = true;
> }
> }
> return $valid;
> }
>
>
>
> So I am essentially grabbing that data twice. How can I reuse that initial
> $countries throughout the whole process rather than grabbing the same data
> over and over?
> Might sounds trivial but some models might have 6 or more related models and
> then validating pulling all the same values used in the view / form it is
> just added work.
You're making the mistake of focusing on the action instead of the
request. In your example, "the whole process" occurs over two separate
requests.
In the validation scenario, I think it's just as well to check if
$this->field('name', array('id' => $id)) returns empty or not.
It's just an example, I know, but your model's method is also
protected, so the controller could not call it.
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