Template::produceReplicas

private function produceReplicas(Result $result, $source, $destination, $data, $tree, array $parameters = array(), $userId = 0)
{
	$converter = $this->getConverter();

	// create list of responsibles to create tasks to
	$responsibles = array($source['RESPONSIBLE_ID']);
	$multiTask = $source['MULTITASK'] == 'Y' && !empty($source['RESPONSIBLES']);
	if($multiTask)
	{
		$responsibles = array_merge(array($source['CREATED_BY']), $source['RESPONSIBLES']);
	}

	$created = new Collection();
	$wereErrors = false;

	// for each responsible create a bunch of tasks
	foreach($responsibles as $targetUser)
	{
		$subRootId = false;
		$subRoot = $source->transformWith($converter);
		if($subRoot->isSuccess())
		{
			$srInstance = $subRoot->getInstance();
			$srInstance['PARENT_ID'] = $destination->getId();
			$srInstance['RESPONSIBLE_ID'] = $targetUser;

			$subRoot = $srInstance->save();
			if($subRoot)
			{
				$subRootId = $srInstance->getId();
			}
			else
			{
				$srInstance->abortTransformation($converter); // rolling back possible temporal data creation
			}
		}

		$created->push($subRoot); // add sub-root-item creation result
		if(!$subRoot->isSuccess())
		{
			$wereErrors = true;
		}

		if($subRootId) // sub-root created, go further
		{
			$itemId2ReplicaId = array($source->getId() => $subRootId);

			$cTree = $tree;

			$srcId = $source->getId();
			$walkQueue = array($srcId);
			while(!empty($walkQueue)) // walk sub-item tree
			{
				$topTemplate = array_shift($walkQueue);

				if(is_array($cTree[$topTemplate]))
				{
					foreach($cTree[$topTemplate] as $template)
					{
						$dataMixin = array_merge(array(
							'PARENT_ID' => $itemId2ReplicaId[$topTemplate],
							'RESPONSIBLE_ID' => $targetUser
						), $parameters);

						$creationResult = $this->createItemFromData($data[$template], $dataMixin, $userId);
						if($creationResult->isSuccess())
						{
							$walkQueue[] = $template;
							$itemId2ReplicaId[$template] = $creationResult->getInstance()->getId();
						} // or else dont go to the sub-item tree of this item
						else
						{
							$wereErrors = true;
						}

						$created->push($creationResult); // add sub-item creation result
					}
				}
				unset($cTree[$topTemplate]);
			}
		}
	}

	if($wereErrors)
	{
		$result->addError('SUB_ITEMS_CREATION_FAILURE', 'Some of the sub-items was not properly created');
	}

	return $created;
}