fix type in all and getById methods

Author: trippo

src/Resources/Documents.php

@@ -7,12 +7,14 @@
 abstract class Documents extends Resource
 {
     protected DocumentType $type;
+
     public function all(array $params = []): array
     {
         $params['type'] = $this->type->value;
 
         return parent::all($params);
     }
+
     public static function availableLanguages(): array
     {
         return ['it', 'en', 'de', 'fr', 'es', 'el', 'pl', 'sl'];

src/Resources/IssuedDocuments.php

@@ -8,7 +8,7 @@ abstract class IssuedDocuments extends Documents
 {
     protected string $path = 'issued_documents';
 
-    public function getByNumber(int $number, int $year): array
+    public function getByNumber(int $number, int $year): ?array
     {
         $params['filter'] = [
             [
@@ -28,7 +28,7 @@ public function getByNumber(int $number, int $year): array
             ],
         ];
 
-        return $this->all($params);
+        return $this->all($params)[0] ?? null;
     }
 
     public function sendToSDI(int $id, array $data = ['data' => []]): array