From: Raphaël Gertz <git@rapsys.eu>
Date: Fri, 10 Nov 2023 11:45:57 +0000 (+0100)
Subject: Add article controller with index and view member functions
X-Git-Tag: 0.1~30
X-Git-Url: https://git.rapsys.eu/blogbundle/commitdiff_plain/43e1b8410eb706b470cce88978a302ad9b9452a7?hp=a764114e73a5cf7fbd291ca7136762ffca3efeaf

Add article controller with index and view member functions
---

diff --git a/Controller/ArticleController.php b/Controller/ArticleController.php
new file mode 100644
index 0000000..8effb17
--- /dev/null
+++ b/Controller/ArticleController.php
@@ -0,0 +1,237 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Rapsys BlogBundle package.
+ *
+ * (c) Raphaël Gertz <symfony@rapsys.eu>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Rapsys\BlogBundle\Controller;
+
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+use Rapsys\BlogBundle\Entity\Article;
+use Rapsys\BlogBundle\Entity\Keyword;
+
+/**
+ * {@inheritdoc}
+ */
+class ArticleController extends AbstractController {
+	/**
+	 * The article index
+	 *
+	 * Display articles
+	 *
+	 * @param Request $request The request instance
+	 * @return Response The rendered view
+	 */
+	public function index(Request $request): Response {
+		//With articles
+		if ($count = $this->doctrine->getRepository(Article::class)->findCountAsInt()) {
+			//Negative page or over page
+			if (($page = (int) $request->get('page', 0)) < 0 || $page > $count / $this->limit) {
+				//Throw 404
+				throw $this->createNotFoundException($this->translator->trans('Unable to find articles (page: %page%)', ['%page%' => $page]));
+			}
+
+			//Without articles
+			if (empty($this->context['articles'] = $this->doctrine->getRepository(Article::class)->findAllAsArray($page, $this->limit))) {
+				//Throw 404
+				throw $this->createNotFoundException($this->translator->trans('Unable to find articles'));
+			}
+
+			//With prev link
+			if ($page > 0) {
+				//Set articles older
+				$this->context['head']['prev'] = $this->context['articles_prev'] = $this->generateUrl($request->attributes->get('_route'), ['page' => $page - 1]+$request->attributes->get('_route_params'));
+			}
+
+			//With next link
+			if ($count > ($page + 1) * $this->limit) {
+				//Set articles newer
+				$this->context['head']['next'] = $this->context['articles_next'] = $this->generateUrl($request->attributes->get('_route'), ['page' => $page + 1]+$request->attributes->get('_route_params'));
+			}
+
+			//Set modified
+			$this->modified = max(array_map(function ($v) { return $v['modified']; }, $this->context['articles']));
+		//Without articles
+		} else {
+			//Set empty articles
+			$this->context['articles'] = [];
+
+			//Set empty modified
+			$this->modified = new \DateTime('-1 year');
+		}
+
+		//Create response
+		$response = new Response();
+
+		//With logged user
+		if ($this->checker->isGranted('IS_AUTHENTICATED_REMEMBERED')) {
+			//Set last modified
+			$response->setLastModified(new \DateTime('-1 year'));
+
+			//Set as private
+			$response->setPrivate();
+		//Without logged user
+		} else {
+			//Set etag
+			//XXX: only for public to force revalidation by last modified
+			$response->setEtag(md5(serialize($this->context['articles'])));
+
+			//Set last modified
+			$response->setLastModified($this->modified);
+
+			//Set as public
+			$response->setPublic();
+
+			//Without role and modification
+			if ($response->isNotModified($request)) {
+				//Return 304 response
+				return $response;
+			}
+		}
+
+		//Set keywords
+		$this->context['head']['keywords'] = implode(
+			', ',
+			//Use closure to extract each unique article keywords sorted
+			(function ($t) {
+				//Return array
+				$r = [];
+
+				//Iterate on articles
+				foreach($t as $a) {
+					//Non empty keywords
+					if (!empty($a['keywords'])) {
+						//Iterate on keywords
+						foreach($a['keywords'] as $k) {
+							//Set keyword
+							$r[$k['title']] = $k['title'];
+						}
+					}
+				}
+
+				//Sort array
+				sort($r);
+
+				//Return array
+				return $r;
+			})($this->context['articles'])
+		);
+
+		//Set title
+		$this->context['title'] = $this->translator->trans('Articles list');
+
+		//Set description
+		$this->context['description'] = $this->translator->trans('Welcome to raphaël\'s developer diary article listing');
+
+		//Render the view
+		return $this->render('@RapsysBlog/article/index.html.twig', $this->context, $response);
+	}
+
+	/**
+	 * The article view
+	 *
+	 * Display article and keywords
+	 *
+	 * @param Request $request The request instance
+	 * @param integer $id The article id
+	 * @param ?string $slug The article slug
+	 * @return Response The rendered view
+	 */
+	public function view(Request $request, int $id, ?string $slug): Response {
+		//Without article
+		if (empty($this->context['article'] = $this->doctrine->getRepository(Article::class)->findByIdAsArray($id))) {
+			//Throw 404
+			throw $this->createNotFoundException($this->translator->trans('Unable to find article: %id%', ['%id%' => $id]));
+		}
+
+		//With invalid slug
+		if ($slug !== $this->context['article']['slug']) {
+			//Redirect on correctly spelled article
+			return $this->redirectToRoute('rapsys_blog_article_view', ['id' => $this->context['article']['id'], 'slug' => $this->context['article']['slug']], Response::HTTP_MOVED_PERMANENTLY);
+		}
+
+		//Set modified
+		$this->modified = $this->context['article']['modified'];
+
+		//Create response
+		$response = new Response();
+
+		//With logged user
+		if ($this->checker->isGranted('IS_AUTHENTICATED_REMEMBERED')) {
+			//Set last modified
+			$response->setLastModified(new \DateTime('-1 year'));
+
+			//Set as private
+			$response->setPrivate();
+		//Without logged user
+		} else {
+			//Set etag
+			//XXX: only for public to force revalidation by last modified
+			$response->setEtag(md5(serialize($this->context['article'])));
+
+			//Set last modified
+			$response->setLastModified($this->modified);
+
+			//Set as public
+			$response->setPublic();
+
+			//Without role and modification
+			if ($response->isNotModified($request)) {
+				//Return 304 response
+				return $response;
+			}
+		}
+
+		//Set keywords
+		$this->context['head']['keywords'] = implode(
+			', ',
+			array_map(
+				function ($v) {
+					return $v['title'];
+				},
+				$this->context['article']['keywords']
+			)
+		);
+
+		//Set keywords
+		$this->context['head']['keywords'] = implode(
+			', ',
+			//Use closure to extract each unique article keywords sorted
+			(function ($a) {
+				//Return array
+				$r = [];
+
+				//Non empty keywords
+				if (!empty($a['keywords'])) {
+					//Iterate on keywords
+					foreach($a['keywords'] as $k) {
+						//Set keyword
+						$r[$k['title']] = $k['title'];
+					}
+				}
+
+				//Sort array
+				sort($r);
+
+				//Return array
+				return $r;
+			})($this->context['article'])
+		);
+
+		//Set title
+		$this->context['title'] = $this->context['article']['title'];
+
+		//Set description
+		$this->context['description'] = $this->context['article']['description'];
+
+		//Render the view
+		return $this->render('@RapsysBlog/article/view.html.twig', $this->context, $response);
+	}
+}