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<?php
namespace Illuminate\Bus;
use Carbon\CarbonImmutable;
use Closure;
use Illuminate\Contracts\Queue\Factory as QueueFactory;
use Illuminate\Contracts\Support\Arrayable;
use Illuminate\Queue\CallQueuedClosure;
use Illuminate\Queue\SerializableClosure;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use JsonSerializable;
use Throwable;
class Batch implements Arrayable, JsonSerializable
{
/**
* The queue factory implementation.
*
* @var \Illuminate\Contracts\Queue\Factory
*/
protected $queue;
/**
* The repository implementation.
*
* @var \Illuminate\Bus\BatchRepository
*/
protected $repository;
/**
* The batch ID.
*
* @var string
*/
public $id;
/**
* The batch name.
*
* @var string
*/
public $name;
/**
* The total number of jobs that belong to the batch.
*
* @var int
*/
public $totalJobs;
/**
* The total number of jobs that are still pending.
*
* @var int
*/
public $pendingJobs;
/**
* The total number of jobs that have failed.
*
* @var int
*/
public $failedJobs;
/**
* The IDs of the jobs that have failed.
*
* @var array
*/
public $failedJobIds;
/**
* The batch options.
*
* @var array
*/
public $options;
/**
* The date indicating when the batch was created.
*
* @var \Carbon\CarbonImmutable
*/
public $createdAt;
/**
* The date indicating when the batch was cancelled.
*
* @var \Carbon\CarbonImmutable|null
*/
public $cancelledAt;
/**
* The date indicating when the batch was finished.
*
* @var \Carbon\CarbonImmutable|null
*/
public $finishedAt;
/**
* Create a new batch instance.
*
* @param \Illuminate\Contracts\Queue\Factory $queue
* @param \Illuminate\Bus\BatchRepository $repository
* @param string $id
* @param string $name
* @param int $totalJobs
* @param int $pendingJobs
* @param int $failedJobs
* @param array $failedJobIds
* @param array $options
* @param \Carbon\CarbonImmutable $createdAt
* @param \Carbon\CarbonImmutable|null $cancelledAt
* @param \Carbon\CarbonImmutable|null $finishedAt
* @return void
*/
public function __construct(QueueFactory $queue,
BatchRepository $repository,
string $id,
string $name,
int $totalJobs,
int $pendingJobs,
int $failedJobs,
array $failedJobIds,
array $options,
CarbonImmutable $createdAt,
?CarbonImmutable $cancelledAt = null,
?CarbonImmutable $finishedAt = null)
{
$this->queue = $queue;
$this->repository = $repository;
$this->id = $id;
$this->name = $name;
$this->totalJobs = $totalJobs;
$this->pendingJobs = $pendingJobs;
$this->failedJobs = $failedJobs;
$this->failedJobIds = $failedJobIds;
$this->options = $options;
$this->createdAt = $createdAt;
$this->cancelledAt = $cancelledAt;
$this->finishedAt = $finishedAt;
}
/**
* Get a fresh instance of the batch represented by this ID.
*
* @return self
*/
public function fresh()
{
return $this->repository->find($this->id);
}
/**
* Add additional jobs to the batch.
*
* @param \Illuminate\Support\Collection|array $jobs
* @return self
*/
public function add($jobs)
{
$count = 0;
$jobs = Collection::wrap($jobs)->map(function ($job) use (&$count) {
$job = $job instanceof Closure ? CallQueuedClosure::create($job) : $job;
if (is_array($job)) {
$count += count($job);
return with($this->prepareBatchedChain($job), function ($chain) {
return $chain->first()
->allOnQueue($this->options['queue'] ?? null)
->allOnConnection($this->options['connection'] ?? null)
->chain($chain->slice(1)->values()->all());
});
} else {
$job->withBatchId($this->id);
$count++;
}
return $job;
});
$this->repository->transaction(function () use ($jobs, $count) {
$this->repository->incrementTotalJobs($this->id, $count);
$this->queue->connection($this->options['connection'] ?? null)->bulk(
$jobs->all(),
$data = '',
$this->options['queue'] ?? null
);
});
return $this->fresh();
}
/**
* Prepare a chain that exists within the jobs being added.
*
* @param array $chain
* @return \Illuminate\Support\Collection
*/
protected function prepareBatchedChain(array $chain)
{
return collect($chain)->map(function ($job) {
$job = $job instanceof Closure ? CallQueuedClosure::create($job) : $job;
return $job->withBatchId($this->id);
});
}
/**
* Get the total number of jobs that have been processed by the batch thus far.
*
* @return int
*/
public function processedJobs()
{
return $this->totalJobs - $this->pendingJobs;
}
/**
* Get the percentage of jobs that have been processed (between 0-100).
*
* @return int
*/
public function progress()
{
return $this->totalJobs > 0 ? round(($this->processedJobs() / $this->totalJobs) * 100) : 0;
}
/**
* Record that a job within the batch finished successfully, executing any callbacks if necessary.
*
* @param string $jobId
* @return void
*/
public function recordSuccessfulJob(string $jobId)
{
$counts = $this->decrementPendingJobs($jobId);
if ($counts->pendingJobs === 0) {
$this->repository->markAsFinished($this->id);
}
if ($counts->pendingJobs === 0 && $this->hasThenCallbacks()) {
$batch = $this->fresh();
collect($this->options['then'])->each(function ($handler) use ($batch) {
$this->invokeHandlerCallback($handler, $batch);
});
}
if ($counts->allJobsHaveRanExactlyOnce() && $this->hasFinallyCallbacks()) {
$batch = $this->fresh();
collect($this->options['finally'])->each(function ($handler) use ($batch) {
$this->invokeHandlerCallback($handler, $batch);
});
}
}
/**
* Decrement the pending jobs for the batch.
*
* @param string $jobId
* @return \Illuminate\Bus\UpdatedBatchJobCounts
*/
public function decrementPendingJobs(string $jobId)
{
return $this->repository->decrementPendingJobs($this->id, $jobId);
}
/**
* Determine if the batch has finished executing.
*
* @return bool
*/
public function finished()
{
return ! is_null($this->finishedAt);
}
/**
* Determine if the batch has "success" callbacks.
*
* @return bool
*/
public function hasThenCallbacks()
{
return isset($this->options['then']) && ! empty($this->options['then']);
}
/**
* Determine if the batch allows jobs to fail without cancelling the batch.
*
* @return bool
*/
public function allowsFailures()
{
return Arr::get($this->options, 'allowFailures', false) === true;
}
/**
* Determine if the batch has job failures.
*
* @return bool
*/
public function hasFailures()
{
return $this->failedJobs > 0;
}
/**
* Record that a job within the batch failed to finish successfully, executing any callbacks if necessary.
*
* @param string $jobId
* @param \Throwable $e
* @return void
*/
public function recordFailedJob(string $jobId, $e)
{
$counts = $this->incrementFailedJobs($jobId);
if ($counts->failedJobs === 1 && ! $this->allowsFailures()) {
$this->cancel();
}
if ($counts->failedJobs === 1 && $this->hasCatchCallbacks()) {
$batch = $this->fresh();
collect($this->options['catch'])->each(function ($handler) use ($batch, $e) {
$this->invokeHandlerCallback($handler, $batch, $e);
});
}
if ($counts->allJobsHaveRanExactlyOnce() && $this->hasFinallyCallbacks()) {
$batch = $this->fresh();
collect($this->options['finally'])->each(function ($handler) use ($batch, $e) {
$this->invokeHandlerCallback($handler, $batch, $e);
});
}
}
/**
* Increment the failed jobs for the batch.
*
* @param string $jobId
* @return \Illuminate\Bus\UpdatedBatchJobCounts
*/
public function incrementFailedJobs(string $jobId)
{
return $this->repository->incrementFailedJobs($this->id, $jobId);
}
/**
* Determine if the batch has "catch" callbacks.
*
* @return bool
*/
public function hasCatchCallbacks()
{
return isset($this->options['catch']) && ! empty($this->options['catch']);
}
/**
* Determine if the batch has "finally" callbacks.
*
* @return bool
*/
public function hasFinallyCallbacks()
{
return isset($this->options['finally']) && ! empty($this->options['finally']);
}
/**
* Cancel the batch.
*
* @return void
*/
public function cancel()
{
$this->repository->cancel($this->id);
}
/**
* Determine if the batch has been cancelled.
*
* @return bool
*/
public function canceled()
{
return $this->cancelled();
}
/**
* Determine if the batch has been cancelled.
*
* @return bool
*/
public function cancelled()
{
return ! is_null($this->cancelledAt);
}
/**
* Delete the batch from storage.
*
* @return void
*/
public function delete()
{
$this->repository->delete($this->id);
}
/**
* Invoke a batch callback handler.
*
* @param \Illuminate\Queue\SerializableClosure|callable $handler
* @param \Illuminate\Bus\Batch $batch
* @param \Throwable|null $e
* @return void
*/
protected function invokeHandlerCallback($handler, Batch $batch, Throwable $e = null)
{
return $handler instanceof SerializableClosure
? $handler->__invoke($batch, $e)
: call_user_func($handler, $batch, $e);
}
/**
* Convert the batch to an array.
*
* @return array
*/
public function toArray()
{
return [
'id' => $this->id,
'name' => $this->name,
'totalJobs' => $this->totalJobs,
'pendingJobs' => $this->pendingJobs,
'processedJobs' => $this->processedJobs(),
'progress' => $this->progress(),
'failedJobs' => $this->failedJobs,
'options' => $this->options,
'createdAt' => $this->createdAt,
'cancelledAt' => $this->cancelledAt,
'finishedAt' => $this->finishedAt,
];
}
/**
* Get the JSON serializable representation of the object.
*
* @return array
*/
public function jsonSerialize()
{
return $this->toArray();
}
}