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store export parameters in redis key (issue #33)

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This commit is contained in:
Julien Fastré 2019-04-03 15:03:05 +02:00
parent 1ea90c2d5f
commit 915b556125
1 changed files with 78 additions and 38 deletions
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116
Controller/ExportController.php
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@ -33,6 +33,8 @@ use Chill\MainBundle\Export\ExportManager;
use Psr\Log\LoggerInterface;
use Symfony\Component\HttpFoundation\Session\SessionInterface;
use Symfony\Component\Form\FormFactoryInterface;
use Chill\MainBundle\Redis\ChillRedis;
use Symfony\Component\Translation\TranslatorInterface;
/**
* ExportController is the controller use for exporting data.
@ -66,16 +68,32 @@ class ExportController extends Controller
*/
protected $formFactory;
/**
*
* @var ChillRedis
*/
protected $redis;
/**
*
* @var TranslatorInterface
*/
protected $translator;
public function __construct(
ChillRedis $chillRedis,
ExportManager $exportManager,
FormFactoryInterface $formFactory,
LoggerInterface $logger,
SessionInterface $session
SessionInterface $session,
TranslatorInterface $translator
) {
$this->redis = $chillRedis;
$this->exportManager = $exportManager;
$this->formFactory = $formFactory;
$this->logger = $logger;
$this->session = $session;
$this->translator = $translator;
}
@ -393,9 +411,8 @@ class ExportController extends Controller
}
/**
* Gather data stored in session from previous steps, and redirect
* to the `generate` action, compiling data from previous step in the URL
* (to obtain a GET HTTP query).
* Gather data stored in session from previous steps, store it inside redis
* and redirect to the `generate` action.
*
* The data from previous steps is removed from session.
*
@ -415,6 +432,17 @@ class ExportController extends Controller
'alias' => $alias, 'step' => $this->getNextStep('generate', $export, true)
));
}
$parameters = [
'formatter' => $dataFormatter ?? [],
'export' => $dataExport ?? [],
'centers' => $dataCenters ?? [],
'alias' => $alias
];
unset($parameters['_token']);
$key = md5(uniqid(rand(), false));
$this->redis->setEx($key, 3600, \serialize($parameters));
// remove data from session
$this->session->remove('export_step_raw');
@ -422,16 +450,7 @@ class ExportController extends Controller
$this->session->remove('formatter_step_raw');
$this->session->remove('formatter_step');
$redirectParameters = array_merge(
$dataFormatter ?? [],
$dataExport ?? [],
$dataCenters ?? [],
array('alias' => $alias)
);
unset($redirectParameters['_token']);
return $this->redirectToRoute('chill_main_export_download',
$redirectParameters);
return $this->redirectToRoute('chill_main_export_download', [ 'key' => $key, 'alias' => $alias ]);
}
/**
@ -447,44 +466,65 @@ class ExportController extends Controller
{
/* @var $exportManager \Chill\MainBundle\Export\ExportManager */
$exportManager = $this->exportManager;
$export = $exportManager->getExport($alias);
$formCenters = $this->createCreateFormExport($alias, 'generate_centers');
$formCenters->handleRequest($request);
$dataCenters = $formCenters->getData();
$formExport = $this->createCreateFormExport($alias, 'generate_export', $dataCenters);
$formExport->handleRequest($request);
$dataExport = $formExport->getData();
if ($export instanceof \Chill\MainBundle\Export\ExportInterface) {
$formFormatter = $this->createCreateFormExport($alias, 'generate_formatter',
$dataExport);
$formFormatter->handleRequest($request);
$dataFormatter = $formFormatter->getData();
}
$key = $request->query->get('key', null);
list($dataCenters, $dataExport, $dataFormatter) = $this->rebuildData($key);
$r = $exportManager->generate(
$alias,
$dataCenters['centers'],
$dataExport['export'],
isset($dataFormatter) ? $dataFormatter['formatter'] : []
$dataFormatter !== NULL ? $dataFormatter['formatter'] : []
);
return $r;
}
protected function rebuildData($key)
{
if ($key === NULL) {
throw $this->createHttpNotFoundException("key does not exists");
}
if ($this->redis->exists($key) !== 1) {
$this->addFlash('error', $this->translator->trans("This report is not available any more"));
throw $this->createHttpNotFoundException("key does not exists");
}
$serialized = $this->redis->get($key);
if ($serialized === false) {
throw new \LogicException("the key could not be reached from redis");
}
$rawData = \unserialize($serialized);
$alias = $rawData['alias'];
$formCenters = $this->createCreateFormExport($alias, 'generate_centers');
$formCenters->submit($rawData['centers']);
$dataCenters = $formCenters->getData();
$formExport = $this->createCreateFormExport($alias, 'generate_export', $dataCenters);
$formExport->submit($rawData['export']);
$dataExport = $formExport->getData();
if (count($rawData['formatter']) > 0) {
$formFormatter = $this->createCreateFormExport($alias, 'generate_formatter',
$dataExport);
$formFormatter->submit($rawData['formatter']);
$dataFormatter = $formFormatter->getData();
}
return [$dataCenters, $dataExport, $dataFormatter ?? null];
}
public function downloadResultAction(Request $request, $alias)
{
/* @var $exportManager \Chill\MainBundle\Export\ExportManager */
$exportManager = $this->exportManager;
$formCenters = $this->createCreateFormExport($alias, 'generate_centers');
$formCenters->handleRequest($request);
$dataCenters = $formCenters->getData();
$formExport = $this->createCreateFormExport($alias, 'generate_export', $dataCenters);
$formExport->handleRequest($request);
$dataExport = $formExport->getData();
$key = $request->query->get('key', null);
list($dataCenters, $dataExport, $dataFormatter) = $this->rebuildData($key);
$formatterAlias = $exportManager->getFormatterAlias($dataExport['export']);
if ($formatterAlias !== null) {