Posts administration

src/Controller/HomeController.php

@@ -19,8 +19,8 @@ class HomeController extends AbstractController
         $repo = $this->getDoctrine()->getRepository(Post::class);
         return $this->render('home/index.html.twig', [
             'controller_name' => 'HomeController',
-            'posts' => $repo->findBy(array(), array('publishedAt' => 'DESC'), 5, $page*5),
+            'posts' => $repo->getPublished($page*5, 5),
-            'pages' => round($repo->count(array())/5, 0, PHP_ROUND_HALF_UP),
+            'pages' => round(count($repo->getPublished())/5, 0, PHP_ROUND_HALF_UP),
             'page' => $page
         ]);
     }

src/Controller/PostController.php

@@ -2,14 +2,17 @@
 
 namespace App\Controller;
 
+use App\Entity\Category;
 use App\Entity\Comment;
 use App\Entity\Post;
 use App\Form\CommentType;
+use App\Form\PostType;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Component\String\Slugger\AsciiSlugger;
 
 class PostController extends AbstractController
 {
@@ -22,7 +25,7 @@ class PostController extends AbstractController
     public function index(Request $request, string $slug): Response
     {
         $post = $this->getDoctrine()->getRepository(Post::class)->findOneBy(array('slug' => $slug));
-        $form = $this->formGenerator($post);
+        $form = $this->commentFormGenerator($post);
         $form->handleRequest($request);
         if ($form->isSubmitted() && $form->isValid()) {
             $comment = $form->getData();
@@ -31,7 +34,7 @@ class PostController extends AbstractController
             $manager = $this->getDoctrine()->getManager();
             $manager->persist($comment);
             $manager->flush();
-            $form = $this->formGenerator($post);
+            $form = $this->commentFormGenerator($post);
         }
         return $this->render('post/index.html.twig', [
             'controller_name' => 'PostController',
@@ -47,11 +50,82 @@ class PostController extends AbstractController
     {
         return $this->render('post/posts.html.twig', [
             'controller_name' => 'PostController',
-            'posts' => $this->getDoctrine()->getRepository(Post::class)->findAll()
+            'posts' => $this->getDoctrine()->getRepository(Post::class)->findBy(array(), array('publishedAt' => 'DESC'))
         ]);
     }
 
-    private function formGenerator(Post $post) : FormInterface
+    /**
+     * @Route("/admin/posts/add", name="post-add")
+     * @param Request $request
+     * @return Response
+     */
+    public function add(Request $request): Response
+    {
+        $post = new Post();
+        $form = $this->createForm(PostType::class, $post);
+        $form->handleRequest($request);
+        if ($form->isSubmitted() && $form->isValid()) {
+            $post = $form->getData();
+            $post->setSlug((new AsciiSlugger())->slug($post->getTitle()));
+            $manager = $this->getDoctrine()->getManager();
+            $manager->persist($post);
+            $manager->flush();
+            return $this->redirectToRoute('posts');
+        }
+        return $this->render('post/posts-form.html.twig', [
+            'controller_name' => 'PostController',
+            'form' => $form->createView(),
+            'title' => 'Add new post'
+    ]);
+    }
+
+    /**
+     * @Route("/admin/posts/edit/{slug}", name="post-edit")
+     * @param Request $request
+     * @param string $slug
+     * @return Response
+     */
+    public function edit(Request $request, string $slug): Response
+    {
+        $manager = $this->getDoctrine()->getManager();
+        $post = $manager->getRepository(Post::class)->findOneBy(array('slug' => $slug));
+        if (!$post) {
+            throw $this->createNotFoundException("Post not found");
+        }
+        $form = $this->createForm(PostType::class, $post);
+        $form->handleRequest($request);
+        if ($form->isSubmitted() && $form->isValid()) {
+            $post = $form->getData();
+            $post->setUpdatedAt(new \DateTime());
+            $post->setSlug((new AsciiSlugger())->slug($post->getTitle()));
+            $manager->flush();
+            return $this->redirectToRoute('posts');
+        }
+        return $this->render('post/posts-form.html.twig', [
+            'controller_name' => 'PostController',
+            'form' => $form->createView(),
+            'title' => 'Edit '.$post->getTitle()
+        ]);
+    }
+
+    /**
+     * @Route("/admin/posts/remove/{slug}", name="post-remove")
+     * @param string $slug
+     * @return Response
+     */
+    public function remove(string $slug): Response
+    {
+        $manager = $this->getDoctrine()->getManager();
+        $post = $manager->getRepository(Post::class)->findOneBy(array('slug' => $slug));
+        if (!$post) {
+            throw $this->createNotFoundException("Post not found");
+        }
+        $manager->remove($post);
+        $manager->flush();
+        return $this->redirectToRoute('posts');
+    }
+
+    private function commentFormGenerator(Post $post) : FormInterface
     {
         $comment = new Comment();
         $comment->setPost($post);

src/Entity/Post.php

@@ -68,6 +68,10 @@ class Post
     {
         $this->comments = new ArrayCollection();
         $this->categories = new ArrayCollection();
+        $date = new \DateTime();
+        $this->createdAt = $date;
+        $this->publishedAt = $date;
+        $this->updatedAt = $date;
     }
 
     public function getId(): ?int

src/Form/PostType.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Form;
+
+use App\Entity\Category;
+use App\Entity\Post;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\DateTimeType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\Extension\Core\Type\TextareaType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class PostType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('title', TextType::class, ['attr' => ['class' => 'form-control']])
+            ->add('description', TextType::class, ['attr' => ['class' => 'form-control']])
+            ->add('content', TextareaType::class, ['attr' => ['class' => 'form-control']])
+            ->add('publishedAt', DateTimeType::class, ['attr' => ['class' => 'form-control']])
+            ->add('categories', EntityType::class, ['attr' => ['class' => 'form-control'], 'class' => Category::class, 'choice_label' => 'name', 'multiple' => true, 'expanded' => true, 'by_reference' => false])
+            ->add('save', SubmitType::class, ['attr' => ['class' => 'btn btn-primary btn-block']])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'data_class' => Post::class
+        ]);
+    }
+}

src/Repository/PostRepository.php

@@ -19,6 +19,21 @@ class PostRepository extends ServiceEntityRepository
         parent::__construct($registry, Post::class);
     }
 
+    public function getPublished(int $offset = null, int $max = null) {
+        $q = $this->createQueryBuilder("p")
+            ->andWhere('p.publishedAt <= :now')
+            ->setParameter('now', new \DateTime())
+            ->orderBy('p.publishedAt', 'DESC');
+        if ($offset) {
+            $q->setFirstResult($offset);
+        }
+        if ($max) {
+            $q->setMaxResults($max);
+        }
+        return $q->getQuery()
+            ->getResult();
+    }
+
     // /**
     //  * @return Post[] Returns an array of Post objects
     //  */

templates/admin/posts.html.twig

@@ -1,7 +0,0 @@
-{% extends 'admin/base-admin.html.twig' %}
-
-{% block title %}Hello AdminController!{% endblock %}
-
-{% block body %}
-
-{% endblock %}

templates/post/posts-form.html.twig

@@ -0,0 +1,34 @@
+{% extends 'admin/base-admin.html.twig' %}
+{% block title %}{{ title }}{% endblock %}
+
+{% block body %}
+    <div class="container-fluid">
+        <h1>{{ title }}</h1>
+        {{ form_start(form) }}
+            {{ form_errors(form) }}
+            <div class="form-outline">
+                {{ form_widget(form.title) }}
+                {{ form_label(form.title, null, {'label_attr': {'class': 'form-label'}}) }}
+            </div>
+
+            <div class="form-outline">
+                {{ form_widget(form.description) }}
+                {{ form_label(form.description, null, {'label_attr': {'class': 'form-label'}}) }}
+            </div>
+
+            <div class="form-outline">
+                {{ form_widget(form.content) }}
+                {{ form_label(form.content, null, {'label_attr': {'class': 'form-label'}}) }}
+            </div>
+
+            <div class="form-outline">
+                {{ form_label(form.publishedAt) }}
+                {{ form_widget(form.publishedAt) }}
+            </div>
+
+            {{ form_row(form.categories) }}
+
+            {{ form_row(form.save) }}
+        {{ form_end(form) }}
+    </div>
+{% endblock %}

templates/post/posts.html.twig

@@ -0,0 +1,19 @@
+{% extends 'admin/base-admin.html.twig' %}
+
+{% block title %}Administration - Posts{% endblock %}
+
+{% block body %}
+    <div class="container-fluid">
+        {% for post in posts %}
+            <div class="card text-center">
+                <div class="card-body">
+                    <h5 class="card-title">{{ post.title }}</h5>
+                    <p class="card-text">{{ post.description }}</p>
+                    <a href="{{ path('post-remove', {slug: post.slug}) }}" class="btn btn-danger">Delete</a>
+                    <a href="{{ path('post-edit', {slug: post.slug}) }}" class="btn btn-primary">Edit</a>
+                </div>
+                <div class="card-footer text-muted">{{ post.publishedAt.format('Y-m-d H:i:s') }}</div>
+            </div>
+        {% endfor %}
+    </div>
+{% endblock %}