strata-mvc/strata

<?php

namespace Strata\Model\Validator;

use Strata\Strata;

class RequiredValidator extends Validator
{
    /**
     * {@inheritdoc}
     */
    public function init()
    {
        $this->setMessage(__("This is a required field.", $this->getTextdomain()));
    }

    /**
     * Should one of the conditions be missing, the validator
     * will return a successful test.
     */
    public function test($value, $context)
    {
        if ($this->hasConfig("if") && !is_null($this->getConfig("if"))) {
            $request =  Strata::router()->getCurrentController()->request;
            foreach ($this->getConfig("if") as $key => $expectedValue) {
                $comparedValue = $request->isPost() ? $request->post($key) : $request->get($key);
                if ($comparedValue !== $expectedValue) {
                    // ignore the rest of the validations, $expectedValue is not met
                    // therefore it's not a case when we need to validate the actual value.
                    return true;
                }
            }
        }

        if (is_string($value)) {
            $trimmed = trim($value);
            return !empty($trimmed);
        }

        // Array are expected to be lists on which we are
        // validating integer values, not string values.
        if (is_array($value)) {
            foreach ($value as $key => $currentValue) {
                if ((int)$currentValue > 0) {
                    return true;
                }
            }
            return false;
        }
    }
}