<?php
namespace Illuminate\Bus;
use Closure;
use Illuminate\Bus\Events\BatchDispatched;
use Illuminate\Contracts\Container\Container;
use Illuminate\Contracts\Events\Dispatcher as EventDispatcher;
use Illuminate\Queue\SerializableClosureFactory;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Throwable;
class PendingBatch
{
/**
* The IoC container instance.
*
* @var \Illuminate\Contracts\Container\Container
*/
protected $container;
/**
* The batch name.
*
* @var string
*/
public $name = '';
/**
* The jobs that belong to the batch.
*
* @var \Illuminate\Support\Collection
*/
public $jobs;
/**
* The batch options.
*
* @var array
*/
public $options = [];
/**
* Create a new pending batch instance.
*
* @param \Illuminate\Contracts\Container\Container $container
* @param \Illuminate\Support\Collection $jobs
* @return void
*/
public function __construct(Container $container, Collection $jobs)
{
$this->container = $container;
$this->jobs = $jobs;
}
/**
* Add jobs to the batch.
*
* @param iterable $jobs
* @return $this
*/
public function add($jobs)
{
foreach ($jobs as $job) {
$this->jobs->push($job);
}
return $this;
}
/**
* Add a callback to be executed after all jobs in the batch have executed successfully.
*
* @param callable $callback
* @return $this
*/
public function then($callback)
{
$this->options['then'][] = $callback instanceof Closure
? SerializableClosureFactory::make($callback)
: $callback;
return $this;
}
/**
* Get the "then" callbacks that have been registered with the pending batch.
*
* @return array
*/
public function thenCallbacks()
{
return $this->options['then'] ?? [];
}
/**
* Add a callback to be executed after the first failing job in the batch.
*
* @param callable $callback
* @return $this
*/
public function catch($callback)
{
$this->options['catch'][] = $callback instanceof Closure
? SerializableClosureFactory::make($callback)
: $callback;
return $this;
}
/**
* Get the "catch" callbacks that have been registered with the pending batch.
*
* @return array
*/
public function catchCallbacks()
{
return $this->options['catch'] ?? [];
}
/**
* Add a callback to be executed after the batch has finished executing.
*
* @param callable $callback
* @return $this
*/
public function finally($callback)
{
$this->options['finally'][] = $callback instanceof Closure
? SerializableClosureFactory::make($callback)
: $callback;
return $this;
}
/**
* Get the "finally" callbacks that have been registered with the pending batch.
*
* @return array
*/
public function finallyCallbacks()
{
return $this->options['finally'] ?? [];
}
/**
* Indicate that the batch should not be cancelled when a job within the batch fails.
*
* @param bool $allowFailures
* @return $this
*/
public function allowFailures($allowFailures = true)
{
$this->options['allowFailures'] = $allowFailures;
return $this;
}
/**
* Determine if the pending batch allows jobs to fail without cancelling the batch.
*
* @return bool
*/
public function allowsFailures()
{
return Arr::get($this->options, 'allowFailures', false) === true;
}
/**
* Set the name for the batch.
*
* @param string $name
* @return $this
*/
public function name(string $name)
{
$this->name = $name;
return $this;
}
/**
* Specify the queue connection that the batched jobs should run on.
*
* @param string $connection
* @return $this
*/
public function onConnection(string $connection)
{
$this->options['connection'] = $connection;
return $this;
}
/**
* Get the connection used by the pending batch.
*
* @return string|null
*/
public function connection()
{
return $this->options['connection'] ?? null;
}
/**
* Specify the queue that the batched jobs should run on.
*
* @param string $queue
* @return $this
*/
public function onQueue(string $queue)
{
$this->options['queue'] = $queue;
return $this;
}
/**
* Get the queue used by the pending batch.
*
* @return string|null
*/
public function queue()
{
return $this->options['queue'] ?? null;
}
/**
* Dispatch the batch.
*
* @return \Illuminate\Bus\Batch
*
* @throws \Throwable
*/
public function dispatch()
{
$repository = $this->container->make(BatchRepository::class);
try {
$batch = $repository->store($this);
$batch = $batch->add($this->jobs);
} catch (Throwable $e) {
if (isset($batch)) {
$repository->delete($batch->id);
}
throw $e;
}
$this->container->make(EventDispatcher::class)->dispatch(
new BatchDispatched($batch)
);
return $batch;
}
}