/**
* Creates an import for a feed. If an import for this feed was created
* before, but has not started yet, that import is returned. All other open
* imports are closed first.
*
* @param FeedEntity $feed
* @param \DateTime $scheduleDate
* @param boolean $forced
* @param boolean $partial If left out, it will be determined based on feed
*
* @throws \RuntimeException
* @return Import
*/
public function createImport(FeedEntity $feed, \DateTime $scheduleDate = null, $forced = false, $partial = null)
{
$entityManager = $this->getEntityManager();
$repo = $entityManager->getRepository('FMIoBundle:Import');
/** @var $imports Import[] */
$imports = $repo->findByFeed($feed);
if (is_null($scheduleDate)) {
$scheduleDate = new \DateTime();
}
if (is_null($partial)) {
$partial = $feed->isPartial();
}
// see if any imports are still unfinished
foreach ($imports as $import) {
// skip finished imports
if ($this->isImportFinished($import)) {
continue;
}
// if it hasn't started yet, use this one
if (!$this->isImportStarted($import)) {
return $import;
}
// unfinished import, see if it has any remaining parts
if ($this->importHasUnfinishedParts($import)) {
throw new \RuntimeException(sprintf('Import %d has unfinished parts, close those first before creating a new import', $import->getId()));
}
// we can safely close it
$this->finishImport($import);
}
// all previous imports are checked and finished if necessary, we can
// create a new one now
$import = new Import();
$import->setFeed($feed);
$import->setForced($forced);
$import->setPartial($partial);
$import->setDatetimeScheduled($scheduleDate);
// persist now: we want the import on record before starting it
$entityManager->persist($import);
$entityManager->flush($import);
return $import;
}
