CakePHP 2.5动态模型验证：没有flash消息

Question

i am rewriting my contact form plugin for CakePHP <= 2.2

In the model there are virtual fields only without database table. For dynamic use, i need to add validation on the fly with $this->Model->validator()->add() in the beforeFilter() function.

This works, but I don't get any validation errors in the view. They are stored in $this->Model->validationErrors after calling $this->Model->validates() only.

When I move the validation into the $validate variable everything seems to work. Flush messages and the "required" attributes in my input fields are set.

I think the problem is rendering the view before adding the validation rules to the model.

Any suggestions? Thank you

Answer 1

Thanks to Kai for the idea!

This works in the model:

public $validate = array();

public function __construct($id = false, $table = null, $ds = null) {
    parent::__construct();
    foreach(Configure::read('ContactForm.Fields') as $fieldname => $value) {
        $this->validate[$fieldname] = $value['validation'];
    }
}

The config looks like this:

Configure::write('ContactForm.Fields', array(
    'Name' => array(
        'schema' => array(
            'type' => 'string',
            'null' => false,
            'default' => '',
            'length' => '50'
        ),
        'validation' => array(
            'rule' => array('notempty'),
            'required' => true,
            'message' => 'please insert your name'
        )
    )
));

Flash messages are visible now ;)