Add tag slug

migrations/Version20240407143332.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20240407143332 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('ALTER TABLE tag ADD slug VARCHAR(255) NOT NULL');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_389B783989D9B62 ON tag (slug)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP INDEX UNIQ_389B783989D9B62');
+        $this->addSql('ALTER TABLE tag DROP slug');
+    }
+}

src/Controller/TagController.php

@@ -41,7 +41,7 @@ public function new(Request $request, EntityManagerInterface $entityManager): Re
         ]);
     }
 
-    #[Route('/{id}', name: 'app_tag_show', methods: ['GET'])]
+    #[Route('/{slug}', name: 'app_tag_show', methods: ['GET'])]
     public function show(Tag $tag): Response
     {
         return $this->render('tag/show.html.twig', [

src/Entity/Tag.php

@@ -7,6 +7,7 @@
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
+use Gedmo\Mapping\Annotation\Slug;
 
 #[ORM\Entity(repositoryClass: TagRepository::class)]
 class Tag
@@ -21,6 +22,10 @@ class Tag
     #[ORM\Column(length: 255)]
     private string $title;
 
+    #[ORM\Column(length: 255, unique: true)]
+    #[Slug(fields: ['title'])]
+    private string $slug;
+
     #[ORM\ManyToMany(targetEntity: BlogPost::class, mappedBy: 'tags')]
     private Collection $blogPosts;
 
@@ -47,6 +52,18 @@ public function setTitle(string $title): static
         return $this;
     }
 
+    public function getSlug(): string
+    {
+        return $this->slug;
+    }
+
+    public function setSlug(string $slug): static
+    {
+        $this->slug = $slug;
+
+        return $this;
+    }
+
     /**
      * @return Collection<int, BlogPost>
      */

templates/tag/index.html.twig

@@ -23,7 +23,7 @@
                 <td>{{ tag.createdAt ? tag.createdAt|date('Y-m-d H:i:s') : '' }}</td>
                 <td>{{ tag.updatedAt ? tag.updatedAt|date('Y-m-d H:i:s') : '' }}</td>
                 <td>
-                    <a href="{{ path('app_tag_show', {'id': tag.id}) }}">show</a>
+                    <a href="{{ path('app_tag_show', {'slug': tag.slug}) }}">show</a>
                     <a href="{{ path('app_tag_edit', {'id': tag.id}) }}">edit</a>
                 </td>
             </tr>