GetCurrencyBundleMethodCallsToIntlRector.php

<?php

declare(strict_types=1);

namespace Rector\Symfony\Symfony43\Rector\MethodCall;

use PhpParser\Node;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Name\FullyQualified;
use PHPStan\Type\ObjectType;
use Rector\Rector\AbstractRector;
use Rector\Symfony\ValueObject\IntlBundleClassToNewClass;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;

/**
 * @changelog https://symfony.com/blog/new-in-symfony-4-3-simpler-access-to-intl-data
 * @changelog https://github.com/symfony/symfony/pull/28846
 *
 * @see \Rector\Symfony\Tests\Symfony43\Rector\MethodCall\GetCurrencyBundleMethodCallsToIntlRector\GetCurrencyBundleMethodCallsToIntlRectorTest
 */
final class GetCurrencyBundleMethodCallsToIntlRector extends AbstractRector
{
    /**
     * @var IntlBundleClassToNewClass[]
     */
    private array $intlBundleClassesToNewClasses = [];

    public function __construct()
    {
        $this->intlBundleClassesToNewClasses[] = new IntlBundleClassToNewClass(
            'Symfony\Component\Intl\ResourceBundle\LanguageBundleInterface',
            'Symfony\Component\Intl\Languages',
            [
                'getLanguageNames' => 'getNames',
                'getLanguageName' => 'getName',
            ]
        );

        $this->intlBundleClassesToNewClasses[] = new IntlBundleClassToNewClass(
            'Symfony\Component\Intl\ResourceBundle\RegionBundleInterface',
            'Symfony\Component\Intl\Currencies',
            [
                'getCountryNames' => 'getNames',
                'getCountryName' => 'getName',
            ]
        );

        $this->intlBundleClassesToNewClasses[] = new IntlBundleClassToNewClass(
            'Symfony\Component\Intl\ResourceBundle\CurrencyBundleInterface',
            'Symfony\Component\Intl\Currencies',
            [
                'getCurrencyNames' => 'getNames',
                'getCurrencyName' => 'getName',
                'getCurrencySymbol' => 'getSymbol',
                'getFractionDigits' => 'getFractionDigits',
            ]
        );
    }

    public function getRuleDefinition(): RuleDefinition
    {
        return new RuleDefinition('Intl static bundle method were changed to direct static calls', [
            new CodeSample(
                <<<'CODE_SAMPLE'
$currencyBundle = \Symfony\Component\Intl\Intl::getCurrencyBundle();

$currencyNames = $currencyBundle->getCurrencyNames();
CODE_SAMPLE
                ,
                <<<'CODE_SAMPLE'
$currencyNames = \Symfony\Component\Intl\Currencies::getNames();
CODE_SAMPLE
            ),
        ]);
    }

    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes(): array
    {
        return [MethodCall::class];
    }

    /**
     * @param MethodCall $node
     */
    public function refactor(Node $node): ?StaticCall
    {
        foreach ($this->intlBundleClassesToNewClasses as $intlBundleClassToNewClass) {
            if (! $this->isObjectType($node->var, new ObjectType($intlBundleClassToNewClass->getOldClass()))) {
                continue;
            }

            foreach ($intlBundleClassToNewClass->getOldToNewMethods() as $oldMethodName => $newMethodName) {
                if (! $this->isName($node->name, $oldMethodName)) {
                    continue;
                }

                $currenciesFullyQualified = new FullyQualified($intlBundleClassToNewClass->getNewClass());
                return new StaticCall($currenciesFullyQualified, $newMethodName);
            }
        }

        return null;
    }
}