set nullable: true for author property

migrations/Version20230720115905.php

@@ -13,7 +13,7 @@ final class Version20230720115905 extends AbstractMigration
     public function up(Schema $schema): void
     {
         $this->addSql('CREATE SEQUENCE paste_id_seq INCREMENT BY 1 MINVALUE 1 START 1');
-        $this->addSql('CREATE TABLE paste (id INT NOT NULL, text TEXT NOT NULL, language VARCHAR(25), description TEXT, filename VARCHAR(128), author VARCHAR(128) NOT NULL, publish_date TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, expiration_date TIMESTAMP(0) WITHOUT TIME ZONE, ip VARCHAR(15) NOT NULL, secret VARCHAR(40), PRIMARY KEY(id))');
+        $this->addSql('CREATE TABLE paste (id INT NOT NULL, text TEXT NOT NULL, language VARCHAR(25), description TEXT, filename VARCHAR(128), author VARCHAR(128), publish_date TIMESTAMP(0) WITHOUT TIME ZONE NOT NULL, expiration_date TIMESTAMP(0) WITHOUT TIME ZONE, ip VARCHAR(15) NOT NULL, secret VARCHAR(40), PRIMARY KEY(id))');
     }
 
     public function down(Schema $schema): void

src/DTO/PasteFormData.php

@@ -15,8 +15,7 @@ class PasteFormData
     public ?string $language = null; 
     public ?string $description = null; 
     public ?string $filename = null; 
-    #[Assert\NotBlank]
+    public ?string $author = null; 
-    public string $author = 'anonymous'; 
     public ?\DateTimeImmutable $expirationDate; 
 
     public function __construct(?Paste $paste = null) 
@@ -30,7 +29,7 @@ class PasteFormData
         $this->language = $paste->language;
         $this->description = $paste->description;
         $this->filename = $paste->filename;
-        $this->author = $paste->author;
+        $this->author = $paste->author !== null ? $paste->author : 'anonymous';
         $this->expirationDate = $paste->expirationDate;
     }
 }

src/Entity/Paste.php

@@ -23,8 +23,8 @@ class Paste
         public readonly ?string $description,
         #[ORM\Column(type: 'string', length: 128, nullable: true)]
         public readonly ?string $filename,
-        #[ORM\Column(type: 'string', length: 128, nullable: false)]
+        #[ORM\Column(type: 'string', length: 128, nullable: true)]
-        public readonly string $author,
+        public readonly ?string $author,
         #[ORM\Column(type: 'datetime_immutable', nullable: false)]
         public readonly \DateTimeImmutable $publishDate,
         #[ORM\Column(type: 'datetime_immutable', nullable: true)]

src/Form/Type/PasteForm.php

@@ -28,7 +28,7 @@ class PasteForm extends AbstractType
             )
             ->add('description', TextType::class, ['required' => false])
             ->add('text', TextareaType::class)
-            ->add('author', TextType::class, ['attr' => ['maxlength' =>128]])
+            ->add('author', TextType::class, ['attr' => ['maxlength' => 128], 'required' => false])
             ->add('filename', TextType::class, ['required' => false, 'attr' => ['maxlength' =>128]])
             ->add('expirationDate', DateTimeType::class, [
                 'required' => false,