laravel-payment/src/PaymentServiceProvider.php

<?php


namespace MirfalahTech\Laravel\Payment;


use Illuminate\Contracts\Config\Repository;
use Illuminate\Contracts\Container\BindingResolutionException;
use Illuminate\Contracts\Foundation\Application;
use Illuminate\Support\ServiceProvider;
use MirfalahTech\Laravel\Payment\Manager\PaymentManager;

class PaymentServiceProvider extends ServiceProvider
{
    /**
     * @throws BindingResolutionException
     */
    public function boot()
    {
        $config_path = realpath(__DIR__ . '/../config/payment.php');

        /** @var Repository $config */
        $config = $this->app->make('config');

        /** @noinspection PhpIncludeInspection */
        $config->set('payment', array_merge(
            require $config_path,
            $config->get('payment', [])
        ));

        $this->app->singleton('payment', function (Application $app) use ($config) {
            return new PaymentManager($app, $config->get('payment.default'));
        });

        $this->app->alias('payment', PaymentManager::class);

        $this->publishes([
            $config_path => $this->app->configPath('payment.php')
        ], 'config');
    }
}