Multi-Tenant Middleware Laravel

TenantDetector.php

<?php namespace App\Http\Middleware;

use Closure;
use Illuminate\Config\Repository as Config;

class TenantDetector {

    protected $config;

    public function __construct(Config $config)
    {
        $this->config = $config;
    }

    /**
	 * Handle an incoming request.
	 *
	 * @param  \Illuminate\Http\Request  $request
	 * @param  \Closure  $next
	 * @return mixed
	 */
	public function handle($request, Closure $next)
	{
        $tenant = 'dev';
        \Log::info($request->header('authorization'));

	    if ($request->header('authorization') || $request->has('access_token')) {
            $clientId = \Authorizer::getClientId();
            $client = \DB::connection('mysql2')->table('oauth_clients')
                ->where('id', $clientId)->first();

            $tenant = $client->tenant;
        }

//        \Log::info('Tenant Request: '. $tenant);
        $this->updateDatabase($tenant);

	    // add tenant
	    $request->attributes->add(['tenant' => $tenant]);

		return $next($request);
	}

    /**
     * Update database configuration
     *
     * @param $tenant
     * @return bool
     */
    private function updateDatabase($tenant)
    {
        $dbName = 'saas_';

        $default = $this->config->get('database.connections.mysql');

        if (empty($tenant)) {
            \Log::info('Using database: '.$dbName.'test');

            $default['database'] = $dbName.'test';

            return true;
        }

        $default['database'] = $dbName.$tenant;
        $this->config->set('database.connections.dynamic', $default);
        
        \Log::info('Using database: '.$this->config->get('database.connections.dynamic.database'));

        return true;
    }
}