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<?php
namespace ProcessMaker\Repositories;
use Carbon\Carbon;
use Illuminate\Support\Facades\Auth;
use ProcessMaker\Models\ProcessCollaboration;
use ProcessMaker\Models\ProcessRequest as Instance;
use ProcessMaker\Nayra\Contracts\Bpmn\ParticipantInterface;
use ProcessMaker\Nayra\Contracts\Engine\ExecutionInstanceInterface;
use ProcessMaker\Nayra\Contracts\Repositories\ExecutionInstanceRepositoryInterface;
use ProcessMaker\Nayra\Contracts\Repositories\StorageInterface;
use ProcessMaker\Nayra\RepositoryTrait;
/**
* Execution Instance Repository.
*
* @package ProcessMaker\Models
*/
class ExecutionInstanceRepository implements ExecutionInstanceRepositoryInterface
{
use RepositoryTrait;
/**
* Create an execution instance.
*
* @return ExecutionInstanceInterface
*/
public function createExecutionInstance()
{
$instance = new Instance();
$instance->setId(uniqid('request', true));
return $instance;
}
/**
* Load an execution instance from a persistent storage.
*
* @param string $instanceId
*
* @return \ProcessMaker\Nayra\Contracts\Engine\ExecutionInstanceInterface
*/
public function loadExecutionInstanceByUid($instanceId, StorageInterface $storage)
{
$instance = Instance::find($instanceId);
if (!$instance) {
abort(404, 'Instance not found');
}
$callableId = $instance->callable_id;
$process = $storage->getProcess($callableId);
$dataStore = $storage->getFactory()->createDataStore();
$dataStore->setData($instance->data);
$instance->setId($instanceId);
$instance->setProcess($process);
$instance->setDataStore($dataStore);
$process->getTransitions($storage->getFactory());
//Load tokens:
foreach ($instance->tokens as $token) {
$tokenInfo = [
'id' => $token->getKey(),
'status' => $token->status,
'index' => $token->element_index,
'element_ref' => $token->element_id,
];
$token->setProperties($tokenInfo);
$element = $storage->getElementInstanceById($tokenInfo['element_ref']);
$element->addToken($instance, $token);
}
$mytokens2 = [];
foreach ($instance->getTokens() as $tt) {
$mytokens2[] = $tt->id;
}
return $instance;
}
/**
* Create or update an execution instance to a persistent storage.
*
* @param \ProcessMaker\Nayra\Contracts\Engine\ExecutionInstanceInterface $instance
*
* @return $this
*/
public function storeExecutionInstance(ExecutionInstanceInterface $instance)
{
// TODO: Implement store() method. or Remove from Interface
}
/**
* Persists instance data related to the event Process Instance Created
*
* @param ExecutionInstanceInterface $instance
*
* @return mixed
*/
public function persistInstanceCreated(ExecutionInstanceInterface $instance)
{
//Get instance data
$data = $instance->getDataStore()->getData();
//Get the process
$process = $instance->getProcess();
//Get process definition
$definition = $process->getEngine()->getProcess();
//Save the row
$instance->callable_id = $process->getId();
$instance->process_id = $definition->getKey();
$instance->process_version_id = $definition->getLatestVersion()->getKey();
$instance->user_id = Auth::user() ? Auth::user()->getKey() : null;
$instance->name = $definition->name;
$instance->status = 'ACTIVE';
$instance->initiated_at = Carbon::now();
$instance->data = $data;
$instance->saveOrFail();
$instance->setId($instance->getKey());
}
/**
* Persists instance when an error occurs
*
* @param ExecutionInstanceInterface $instance
*
* @return mixed
*/
public function persistInstanceError(ExecutionInstanceInterface $instance)
{
//Get instance data
$data = $instance->getDataStore()->getData();
//Save instance
$instance->status = 'ERROR';
$instance->data = $data;
$instance->saveOrFail();
}
/**
* Persists instance data related to the event Process Instance Completed
*
* @param ExecutionInstanceInterface $instance
*
* @return mixed
*/
public function persistInstanceUpdated(ExecutionInstanceInterface $instance)
{
//Get instance data
$data = $instance->getDataStore()->getData();
//Save instance
$instance->status = 'ACTIVE';
$instance->data = $data;
$instance->saveOrFail();
}
/**
* Persists instance data related to the event Process Instance Completed
*
* @param ExecutionInstanceInterface $instance
*
* @return mixed
*/
public function persistInstanceCompleted(ExecutionInstanceInterface $instance)
{
//Get instance data
$data = $instance->getDataStore()->getData();
//Save instance
$instance->status = 'COMPLETED';
$instance->completed_at = Carbon::now();
$instance->data = $data;
$instance->saveOrFail();
}
/**
* Persists collaboration between two instances.
*
* @param ExecutionInstanceInterface $instance Target instance
* @param ParticipantInterface $participant Participant related to the target instance
* @param ExecutionInstanceInterface $source Source instance
* @param ParticipantInterface $sourceParticipant
*/
public function persistInstanceCollaboration(ExecutionInstanceInterface $instance, ParticipantInterface $participant, ExecutionInstanceInterface $source, ParticipantInterface $sourceParticipant)
{
if ($source->process_collaboration_id === null) {
$collaboration = new ProcessCollaboration();
$collaboration->process_id = $instance->process->getKey();
$collaboration->saveOrFail();
$source->process_collaboration_id = $collaboration->getKey();
$source->saveOrFail();
}
$instance->process_collaboration_id = $source->process_collaboration_id;
$instance->participant_id = $participant ? $participant->getId() : null;
$instance->saveOrFail();
}
}