Support rector in order to update the code base

Makefile

@@ -0,0 +1,5 @@
+rector:
+	vendor/bin/rector process src
+
+rector-dry:
+	vendor/bin/rector process src --dry-run

composer.json

@@ -28,6 +28,7 @@
     "require-dev": {
         "phpstan/phpstan": "^1.5",
         "phpunit/phpunit": "^8.5.23",
+        "rector/rector": "^0.17.1",
         "vimeo/psalm": "^4.0|^5.0"
     },
     "suggest": {

rector.php

@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\CodeQuality\Rector\Class_\InlineConstructorDefaultToPropertyRector;
+use Rector\Config\RectorConfig;
+use Rector\Set\ValueObject\LevelSetList;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->paths([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ]);
+
+    // register a single rule
+    $rectorConfig->rule(InlineConstructorDefaultToPropertyRector::class);
+
+    // define sets of rules
+    $rectorConfig->sets([
+        LevelSetList::UP_TO_PHP_72
+    ]);
+};

src/Exception/SnelstartApiErrorException.php

@@ -11,7 +11,7 @@ final class SnelstartApiErrorException extends \RuntimeException
     public static function handleError(array $body): self
     {
         if (isset($body["modelState"])) {
-            $errorMessages = [ sprintf("%d validation failures occurred.", \count($body["modelState"])) ];
+            $errorMessages = [ sprintf("%d validation failures occurred.", is_array($body["modelState"]) || $body["modelState"] instanceof \Countable ? \count($body["modelState"]) : 0) ];
 
             foreach ($body["modelState"] as $field => $modelStateErrors) {
                 $errorMessages[] = $field . ": ";

src/Request/ODataRequestData.php

@@ -24,12 +24,12 @@ final class ODataRequestData implements ODataRequestDataInterface
     /**
      * @var int
      */
-    private $top;
+    private $top = Snelstart::MAX_RESULTS;
 
     /**
      * @var int
      */
-    private $skip;
+    private $skip = 0;
 
     /**
      * @var string
@@ -48,8 +48,6 @@ final class ODataRequestData implements ODataRequestDataInterface
 
     public function __construct()
     {
-        $this->top = Snelstart::MAX_RESULTS;
-        $this->skip = 0;
     }
 
     public function getFilter(): array

src/Secure/CachedAccessTokenConnection.php

@@ -79,6 +79,6 @@ public function getToken(?BearerTokenInterface $bearerToken = null): AccessToken
 
     protected function getItemKey(): string
     {
-        return self::CACHE_ITEM_PREFIX . \spl_object_hash($this) . mt_rand(0, 99);
+        return self::CACHE_ITEM_PREFIX . \spl_object_hash($this) . random_int(0, 99);
     }
 }