/**
* Build validation rules
*
* @param ProductAttributeInterface $attribute
* @param array $data
* @return array
*/
public function build(ProductAttributeInterface $attribute, array $data)
{
$rules = [];
if (!empty($data['required'])) {
$rules['required-entry'] = true;
}
if ($attribute->getFrontendInput() === 'price') {
$rules['validate-zero-or-greater'] = true;
}
$validationClasses = explode(' ', $attribute->getFrontendClass());
foreach ($validationClasses as $class) {
if (preg_match('/^maximum-length-(\\d+)$/', $class, $matches)) {
$rules = array_merge($rules, ['max_text_length' => $matches[1]]);
continue;
}
if (preg_match('/^minimum-length-(\\d+)$/', $class, $matches)) {
$rules = array_merge($rules, ['min_text_length' => $matches[1]]);
continue;
}
$rules = $this->mapRules($class, $rules);
}
return $rules;
}
