dev-think-one / laravel-email-change-verification

src/Broker/BrokerManager.php

<?php

namespace EmailChangeVerification\Broker;

use EmailChangeVerification\Token\DatabaseTokenRepository;
use EmailChangeVerification\Token\TokenRepositoryInterface;
use Illuminate\Support\Str;
use InvalidArgumentException;

/**
 * @mixin BrokerInterface
 */
class BrokerManager implements BrokerFactory
{
    /**
     * The application instance.
     *
     * @var \Illuminate\Contracts\Foundation\Application
     */
    protected $app;

    /**
     * The array of created "drivers".
     *
     * @var array
     */
    protected $brokers = [];

    /**
     * Create a new EmailChangeBrokerManager manager instance.
     *
     * @param  \Illuminate\Contracts\Foundation\Application  $app
     * @return void
     */
    public function __construct($app)
    {
        $this->app = $app;
    }

    /**
     * Attempt to get the broker from the local cache.
     *
     * @param  string|null  $name
     *
     * @return BrokerInterface
     */
    public function broker($name = null)
    {
        $name = $name ?: $this->getDefaultDriver();

        return $this->brokers[$name] ?? ($this->brokers[$name] = $this->resolve($name));
    }

    /**
     * Resolve the given broker.
     *
     * @param  string  $name
     *
     * @return BrokerInterface
     *
     * @throws \InvalidArgumentException
     */
    protected function resolve($name)
    {
        $config = $this->getConfig($name);

        if (is_null($config)) {

The condition is_null($config) is always false.

            throw new InvalidArgumentException("Email change verificator [{$name}] is not defined.");
        }

        // The email change broker uses a token repository to validate tokens and send user
        // verification e-mails, as well as validating that email change process as an
        // aggregate service of sorts providing a convenient interface for email change.
        return new Broker(
            $this->createTokenRepository($config),
            $this->app['auth']->createUserProvider($config['provider'] ?? null)
        );
    }

    /**
     * Create a token repository instance based on the given configuration.
     *
     * @param  array  $config
     * @return TokenRepositoryInterface
     */
    protected function createTokenRepository(array $config)
    {
        $key = $this->app['config']['app.key'];

        if (Str::startsWith($key, 'base64:')) {
            $key = base64_decode(substr($key, 7));
        }

        $connection = $config['connection'] ?? null;

        return new DatabaseTokenRepository(
            $this->app['db']->connection($connection),
            $this->app['hash'],
            $config['table'],
            $key,
            $config['expire'],
            $config['throttle'] ?? 0
        );
    }

    /**
     * Get the email change broker configuration.
     *
     * @param  string  $name
     * @return array
     */
    protected function getConfig($name)
    {
        return $this->app['config']["email-change-verification.brokers.{$name}"];
    }

    /**
     * Get the default email change broker name.
     *
     * @return string
     */
    public function getDefaultDriver(): string
    {
        return $this->app['config']['email-change-verification.default'];
    }

    /**
     * Set the default email change broker name.
     *
     * @param  string  $name
     * @return void
     */
    public function setDefaultDriver(string $name): void
    {
        $this->app['config']['email-change-verification.default'] = $name;
    }

    /**
     * Dynamically call the default driver instance.
     *
     * @param  string  $method
     * @param  array  $parameters
     * @return mixed
     */
    public function __call($method, $parameters)
    {
        return $this->broker()->{$method}(...$parameters);
    }
}