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<?php |
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namespace Telkins\JobFunnelingMiddleware; |
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use Closure; |
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use Illuminate\Support\Facades\Redis; |
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class Funneled |
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{ |
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/** @var bool|\Closure */ |
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protected $enabled = true; |
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/** @var string */ |
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protected $connectionName = ''; |
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/** @var string */ |
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protected $key; |
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/** @var int */ |
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protected $allowedNumberOfJobs = 1; |
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/** @var int */ |
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protected $releaseInSeconds = 5; |
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/** @var array */ |
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protected $releaseRandomSeconds = null; |
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public function __construct() |
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{ |
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$calledByClass = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2)[1]['class']; |
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$this->key($calledByClass); |
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} |
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/** |
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* @param bool|\Closure $enabled |
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* |
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* @return $this |
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*/ |
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public function enabled($enabled = true) |
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{ |
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$this->enabled = $enabled; |
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return $this; |
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} |
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public function connectionName(string $connectionName) |
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{ |
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$this->connectionName = $connectionName; |
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return $this; |
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} |
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public function key(string $key) |
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{ |
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$this->key = $key; |
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return $this; |
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} |
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public function allow(int $allowedNumberOfJobs) |
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{ |
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$this->allowedNumberOfJobs = $allowedNumberOfJobs; |
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return $this; |
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} |
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public function releaseAfterOneSecond() |
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{ |
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return $this->releaseAfterSeconds(1); |
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} |
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public function releaseAfterSeconds(int $releaseInSeconds) |
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{ |
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$this->releaseInSeconds = $releaseInSeconds; |
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return $this; |
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} |
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public function releaseAfterOneMinute() |
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{ |
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return $this->releaseAfterMinutes(1); |
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} |
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public function releaseAfterMinutes(int $releaseInMinutes) |
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{ |
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return $this->releaseAfterSeconds($releaseInMinutes * 60); |
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} |
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public function releaseAfterRandomSeconds(int $min = 1, int $max = 10) |
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{ |
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$this->releaseRandomSeconds = [$min, $max]; |
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return $this; |
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} |
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protected function releaseDuration() :int |
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{ |
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if (! is_null($this->releaseRandomSeconds)) { |
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return random_int(...$this->releaseRandomSeconds); |
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} |
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return $this->releaseInSeconds; |
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} |
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public function handle($job, $next) |
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{ |
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if ($this->enabled instanceof Closure) { |
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$this->enabled = (bool) $this->enabled(); |
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} |
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if (! $this->enabled) { |
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return $next($job); |
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} |
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Redis::connection($this->connectionName) |
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->funnel($this->key) |
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->limit($this->allowedNumberOfJobs) |
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->then(function () use ($job, $next) { |
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$next($job); |
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}, function () use ($job) { |
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$job->release($this->releaseDuration()); |
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}); |
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} |
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} |
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telkins /
laravel-job-funneling-middleware
