kronostechnologies/graphql-framework

<?php


namespace Kronos\GraphQLFramework\Resolver\Controller;


use Kronos\GraphQLFramework\Utils\Reflection\ClassInfoReaderResult;
use function preg_match;
use function strtolower;

/**
 * Matches a controller from a ClassInfoReaderResult to a type.
 */
class ControllerMatcher
{
    /**
     * @var ClassInfoReaderResult[]
     */
    protected $knownControllers;

    /**
     * @param ClassInfoReaderResult[] $knownControllers
     */
    public function __construct(array $knownControllers)
    {
        $this->knownControllers = $knownControllers;
    }

    /**
     * Returns the controller information for the given type name. Returns null if none was found.
     *
     * @param string $typeName
     * @return ClassInfoReaderResult|null
     */
    public function getControllerForTypeName($typeName)
    {
        $typeNameLower = trim(strtolower($typeName));
        foreach ($this->knownControllers as $knownController) {
            $controllerTypeName = $this->getControllerTypeName($knownController->getClassName());

            if ($controllerTypeName === $typeNameLower) {
                return $knownController;
            }
        }

        return null;
    }

    /**
     * @param string $controllerClassName
     * @return string
     */
    protected function getControllerTypeName($controllerClassName)
    {
        $matches = [];

        preg_match("/(.*)Controller/", $controllerClassName, $matches);

        return strtolower($matches[1]);
    }
}