implemented update pw function

Model/AuthModel.php

@@ -123,7 +123,7 @@ class AuthModel extends Database
         $randomPw = bin2hex(random_bytes(12 / 2));
         $hashedPassword = password_hash($randomPw, PASSWORD_DEFAULT);
 
-
+        $this->forgottenPwUpdate($email, $hashedPassword);
 
         $betreff = "Passwort zurücksetzen bei bibArts";
         $nachricht = "Hallo,\n\nhier ihr temporäres Passwort:\n\n $randomPw \n\n Bitte beachten Sie, dass das Passwort nur 2 stunden Gülltig ist. \nViele Grüße,\nbibArts Team";
@@ -177,6 +177,35 @@ class AuthModel extends Database
         }
     }
 
+    public function updatePassword($email, $oldpw, $newpw){
+        if(!$this->login($email, $oldpw)) {
+            return false;
+        }
+
+        $requiredFields = [$email, $oldpw, $newpw];
+        foreach ($requiredFields as $field) {
+            if (empty($field)) {
+                return "Bitte füllen Sie alle Felder aus";
+            }
+        }
+        $hashedPassword = password_hash($newpw, PASSWORD_DEFAULT);
+
+        $sql = "INSERT INTO user (email, password) 
+                    VALUES (:email, :password)";
+
+        try{
+            $pdo = $this->linkDB();
+            $stmt = $pdo->prepare($sql);
+            return $stmt->execute([
+                ':email' => $email,
+                ':password' => $hashedPassword,
+            ]);
+        } catch (PDOException $e) {
+            new \Blog\Library\ErrorMsg("Fehler beim Schreiben der Daten.", $e);
+            die;
+        }
+    }
+
     public function checkDoublePw($password1, $password2){
         if($password1 === $password2){
             return true;