indempotent_middleware.php

<?php
namespace App\Http\Middleware;
use App\Traits\LockEventTrait;
use Closure;
use Illuminate\Http\Request;
class LockRouteMiddleware
{
    use LockEventTrait;
  
    /**
     * Handle an incoming request.
     *
     * @param \Illuminate\Http\Request $request
     * @param Closure $next
     * @param string $key
     * @param int $seconds
     * @param bool $unlock_after_request
     * @param bool $unlock_on_error
     * @return mixed
     * @throws \Throwable
     */
    public function handle(Request $request, Closure $next, string $key, int $seconds = 200,
                           bool $unlock_after_request = true, bool $unlock_on_error = true)
    {
        // Get unique key
        $key = $this->getKey($key);
      
        if($this->isLocked($key)) {
            abort(419, 'Another request is being processed, please wait and try again in a few seconds.');
        }
      
        // Lock before executing the request
        $this->lock($key, $seconds);
      
        try{
            $response = $next($request);
          
            if($unlock_after_request){
                $this->unlock($key);
            }
          
            return $response;
        } catch (\Throwable $th){
            if($unlock_on_error){
                $this->unlock($key);
            }
          
            // Rethrow the error
            throw $th;
        }
    }
}