CODEWITHSUNDEEP
zend-frameworkforms
user648198
user648198

Reputation: 2020

Need help with Zend form Validation

Currently Im developing on a website with Zend framework.

I needed to develop a location field similar to the one found here: http://www.truelocal.com.au/

Which allow user to input PostCode Values (consist of 4 numbers) or Suburb Name

I'm stuck at the moment in the Zend form validation part

Basically I need to ensure the Postcode values or Suburb Name exist in the database.

I'm able to use Zend_Validate_Db_RecordExists easily to check if the Postcode exist in my database.

$validator = new Zend_Validate_Db_RecordExists('postcodeTable', 'postcode');

But how can I also add another Suburb name Validation to check if Suburb Name exist in the database (Without conflicting with the Postcode validation check)?

Is there a clear and easy way to achieve this?

Do I need to write a custom validator? If so how can I do it?

Thanks so much in advance :)

Upvotes: 2

Views: 663

Answers (2)

gawpertron
gawpertron

Reputation: 1927

I don't think you can alias validators, like you can decorators, but you could extend Zend_Validate_Db_RecordExists, for example: 

class App_Validate_Db_SuburbExists
    extends Zend_Validate_Db_RecordExists
{

}

Don't forget to add your library's validator prefixPath to the element e.g.

$element->addPrefixPath('App_Validate_Db', 'App/Validate/Db', 'validate');

Then you can add both validators with different options.

$element->addValidator(
            new App_Validate_Db_SuburbExists('suburbTable', 'suburb'))

        ->addValidator(
            new Zend_Validate_Db_RecordExists('postcodeTable', 'postcode'));

Upvotes: 1

Xerkus
Xerkus

Reputation: 2705

I think of custom validator which is just a proxy

something like this

$proxyValidator = new App_Validate_Proxy(); //implements Zend_Validate_Interface
$proxyValidator->addValidator($validateDb1);
$proxyValidator->addValidator($validateDb2);

at least one of subvalidators must return true to consider value as valid

$proxyValidator::isValid():

public function isValid($value)
{
    foreach($this->_validators as $validator) {
        $validator->isValid($value) ? return true : $this->_messages[] = $validator->getMessages();
    }
    return false;
}

Upvotes: 0

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