update deps & install rector

More/Repository/Domain/PostStatus.php

@@ -2,6 +2,8 @@
 
 namespace DesignPatterns\More\Repository\Domain;
 
+use InvalidArgumentException;
+
 /**
  * Like PostId, this is a value object which holds the value of the current status of a Post. It can be constructed
  * either from a string or int and is able to validate itself. An instance can then be converted back to int or string.
@@ -14,20 +16,13 @@ class PostStatus
     const STATE_DRAFT = 'draft';
     const STATE_PUBLISHED = 'published';
 
-    private static $validStates = [
+    private static array $validStates = [
         self::STATE_DRAFT_ID => self::STATE_DRAFT,
         self::STATE_PUBLISHED_ID => self::STATE_PUBLISHED,
     ];
 
-    /**
-     * @var int
-     */
-    private $id;
-
-    /**
-     * @var string
-     */
-    private $name;
+    private int $id;
+    private string $name;
 
     public static function fromInt(int $statusId)
     {
@@ -39,8 +34,13 @@ class PostStatus
     public static function fromString(string $status)
     {
         self::ensureIsValidName($status);
+        $state = array_search($status, self::$validStates);
 
-        return new self(array_search($status, self::$validStates), $status);
+        if ($state === false) {
+            throw new InvalidArgumentException('Invalid state given!');
+        }
+
+        return new self($state, $status);
     }
 
     private function __construct(int $id, string $name)
@@ -66,7 +66,7 @@ class PostStatus
     private static function ensureIsValidId(int $status)
     {
         if (!in_array($status, array_keys(self::$validStates), true)) {
-            throw new \InvalidArgumentException('Invalid status id given');
+            throw new InvalidArgumentException('Invalid status id given');
         }
     }
 
@@ -74,7 +74,7 @@ class PostStatus
     private static function ensureIsValidName(string $status)
     {
         if (!in_array($status, self::$validStates, true)) {
-            throw new \InvalidArgumentException('Invalid status name given');
+            throw new InvalidArgumentException('Invalid status name given');
         }
     }
 }