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<?php |
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namespace AlexisLefebvre\Bundle\AsyncTweetsBundle\Controller; |
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use AlexisLefebvre\Bundle\AsyncTweetsBundle\Entity\Tweet; |
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use AlexisLefebvre\Bundle\AsyncTweetsBundle\Entity\TweetRepository; |
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use Symfony\Bundle\FrameworkBundle\Controller\AbstractController as BaseController; |
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use Symfony\Component\HttpFoundation\Cookie; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpFoundation\Session\Session; |
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// Compatibility layer for Symfony 3.4 |
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if (!class_exists('Symfony\Bundle\FrameworkBundle\Controller\Controller')) { |
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class_alias('Symfony\Bundle\FrameworkBundle\Controller\Controller', 'Symfony\Bundle\FrameworkBundle\Controller\AbstractController'); |
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} |
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class DefaultController extends BaseController |
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{ |
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/** @var TweetRepository */ |
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private $tweetRepository; |
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public function indexAction(Request $request, ?string $firstTweetId): Response |
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{ |
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/** @var TweetRepository $tweetRepository */ |
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$tweetRepository = $this->getDoctrine() |
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->getRepository('AsyncTweetsBundle:Tweet'); |
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$this->tweetRepository = $tweetRepository; |
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$tweets = $this->tweetRepository |
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->getWithUsersAndMedias($firstTweetId); |
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$variables = $this->getVariables($request, $tweets, $firstTweetId); |
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$response = $this->render( |
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'AsyncTweetsBundle:Default:index.html.twig', |
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[ |
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'tweets' => $tweets, |
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'vars' => $variables, |
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] |
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); |
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if (!is_null($variables['cookie'])) { |
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$response->headers->setCookie($variables['cookie']); |
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} |
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return $response; |
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} |
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/** |
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* @param Request $request |
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* @param Tweet[] $tweets |
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* @param string $firstTweetId |
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* |
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* @return array $vars |
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*/ |
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private function getVariables(Request $request, $tweets, ?string $firstTweetId): array |
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{ |
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$vars = [ |
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'first' => $firstTweetId, |
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'previous' => null, |
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'next' => null, |
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'number' => 0, |
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'cookieId' => $this->getLastTweetIdFromCookie($request), |
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// No cookie by default |
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'cookie' => null, |
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]; |
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if (count($tweets) > 0) { |
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$vars = $this->getTweetsVars($tweets, $vars); |
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} |
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return $vars; |
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} |
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/** |
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* If a Tweet is displayed, fetch data from repository. |
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* |
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* @param Tweet[] $tweets |
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* @param array $vars |
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*/ |
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private function getTweetsVars($tweets, array $vars): array |
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{ |
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/** @var string $firstTweetId */ |
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$firstTweetId = $tweets[0]->getId(); |
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$vars['previous'] = $this->tweetRepository |
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->getPreviousTweetId($firstTweetId); |
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$vars['next'] = $this->tweetRepository |
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->getNextTweetId($firstTweetId); |
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// Only update the cookie if the last Tweet Id is bigger than |
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// the one in the cookie |
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if ($firstTweetId > $vars['cookieId']) { |
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$vars['cookie'] = $this->createCookie($firstTweetId); |
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$vars['cookieId'] = $firstTweetId; |
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} |
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$vars['number'] = $this->tweetRepository |
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->countPendingTweets($vars['cookieId']); |
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$vars['first'] = $firstTweetId; |
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return $vars; |
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} |
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private function getLastTweetIdFromCookie(Request $request) |
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{ |
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if ($request->cookies->has('lastTweetId')) { |
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return $request->cookies->get('lastTweetId'); |
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} |
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// else |
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} |
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private function createCookie(string $firstTweetId): Cookie |
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{ |
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$nextYear = new \DateTime('now'); |
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$nextYear->add(new \DateInterval('P1Y')); |
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// Set last Tweet Id |
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$cookie = new Cookie( |
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'lastTweetId', |
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$firstTweetId, |
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$nextYear->format('U') |
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); |
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return $cookie; |
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} |
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public function resetCookieAction(): RedirectResponse |
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{ |
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/* @see http://www.craftitonline.com/2011/07/symfony2-how-to-set-a-cookie/ */ |
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$response = new RedirectResponse( |
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$this->generateUrl('asynctweets_homepage') |
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); |
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// Reset last Tweet Id |
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$cookie = new Cookie('lastTweetId', null); |
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$response->headers->setCookie($cookie); |
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return $response; |
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} |
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public function deleteLessThanAction(Request $request): RedirectResponse |
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{ |
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$lastTweetId = $this->getLastTweetIdFromCookie($request); |
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if (!is_null($lastTweetId)) { |
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/** @var TweetRepository $tweetRepository */ |
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$tweetRepository = $this->getDoctrine() |
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->getRepository('AsyncTweetsBundle:Tweet'); |
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$count = $tweetRepository |
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->deleteAndHideTweetsLessThanId($lastTweetId); |
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/** @var Session $session */ |
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$session = $this->get('session'); |
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$session->getFlashBag()->add( |
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'message', |
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sprintf('%s tweets deleted.', $count) |
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); |
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} |
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return $this->redirect($this->generateUrl('asynctweets_homepage')); |
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} |
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} |
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alexislefebvre /
AsyncTweetsBundle
