Izveidot aplikāciju, kura ik pēc noteikta intervāla (60 sekundes) veic ierakstu datubāzē izmantojot Laravel freimworka iebūvēto funkcionalitāti.
<?php
namespace Illuminate\Routing\Middleware;
use Closure;
use Illuminate\Redis\Limiters\DurationLimiter;
use Illuminate\Contracts\Redis\Factory as Redis;
class ThrottleRequestsWithRedis extends ThrottleRequests
{
/**
* The Redis factory implementation.
*
* @var \Illuminate\Contracts\Redis\Factory
*/
protected $redis;
/**
* The timestamp of the end of the current duration.
*
* @var int
*/
public $decaysAt;
/**
* The number of remaining slots.
*
* @var int
*/
public $remaining;
/**
* Create a new request throttler.
*
* @param \Illuminate\Contracts\Redis\Factory $redis
* @return void
*/
public function __construct(Redis $redis)
{
$this->redis = $redis;
}
/**
* Handle an incoming request.
*
* @param \Illuminate\Http\Request $request
* @param \Closure $next
* @param int|string $maxAttempts
* @param float|int $decayMinutes
* @return mixed
*
* @throws \Symfony\Component\HttpKernel\Exception\HttpException
*/
public function handle($request, Closure $next, $maxAttempts = 60, $decayMinutes = 1)
{
$key = $this->resolveRequestSignature($request);
$maxAttempts = $this->resolveMaxAttempts($request, $maxAttempts);
if ($this->tooManyAttempts($key, $maxAttempts, $decayMinutes)) {
throw $this->buildException($key, $maxAttempts);
}
$response = $next($request);
return $this->addHeaders(
$response, $maxAttempts,
$this->calculateRemainingAttempts($key, $maxAttempts)
);
}
/**
* Determine if the given key has been "accessed" too many times.
*
* @param string $key
* @param int $maxAttempts
* @param int $decayMinutes
* @return mixed
*/
protected function tooManyAttempts($key, $maxAttempts, $decayMinutes)
{
$limiter = new DurationLimiter(
$this->redis, $key, $maxAttempts, $decayMinutes * 60
);
return tap(! $limiter->acquire(), function () use ($limiter) {
[$this->decaysAt, $this->remaining] = [
$limiter->decaysAt, $limiter->remaining,
];
});
}
/**
* Calculate the number of remaining attempts.
*
* @param string $key
* @param int $maxAttempts
* @param int|null $retryAfter
* @return int
*/
protected function calculateRemainingAttempts($key, $maxAttempts, $retryAfter = null)
{
if (is_null($retryAfter)) {
return $this->remaining;
}
return 0;
}
/**
* Get the number of seconds until the lock is released.
*
* @param string $key
* @return int
*/
protected function getTimeUntilNextRetry($key)
{
return $this->decaysAt - $this->currentTime();
}
}