Pagination on the list, optional auth

exam/classes/Models/User/User.php

@@ -226,9 +226,17 @@ class User implements JsonSerializable
     return $stmt->execute();
   }
 
-  public static function list()
+  public static function list(int $page, int $limit)
   {
     $db = Database::getInstance();
+    $stmt = $db->prepare(
+      "SELECT
+        COUNT(*)
+      FROM
+        egb_gaestebuch"
+    );
+    $stmt->execute();
+    $count = $stmt->fetch(PDO::FETCH_COLUMN, 0);
     $stmt = $db->prepare(
       "SELECT
         b.id, b.benutzer, b.status, b.email, b.image, b.isadmin, b.zeitstempel,
@@ -239,10 +247,12 @@ class User implements JsonSerializable
     $stmt->execute();
     $data = $stmt->fetchAll();
 
-    return array_map(
+    $list = array_map(
       fn ($item) => new User($item["id"], $item["benutzer"], $item["status"], $item["email"], $item["zeitstempel"], $item["image"], $item["isadmin"] === 1, $item["postCount"]),
       $data
     );
+
+    return ["pages" => intdiv($count, $limit) + 1, "data" => $list];
   }
 
   /*