update user (in progress)

Model/UserModel.php

@@ -67,4 +67,39 @@ class UserModel extends Database
         $sth->execute();
     }
 
+    public function updateUserData($id, $values){
+        $pdo = $this->linkDB();
+        $fields = [];
+        $params = [':id' => $id];
+
+        if(!empty($values["password"])){
+            $salt = bin2hex(random_bytes(16));
+            $hash = hash('sha256', $values["password"] . $salt);
+            $fields["password"] = "´passwort´ = :password";
+            $fields["salt"] = "´salt´ = :salt";
+            $params[":password"] = $hash;
+            $params[":salt"] = $salt;
+        }
+
+        foreach (['name','vorname','email'] as $col) {
+            if (isset($values[$col])) {
+                $fields[]           = "`{$col}` = :{$col}";
+                $params[":{$col}"]  = $values[$col];
+            }
+        }
+
+        $sql = "UPDATE user 
+        SET " . implode(", ", $fields) . "
+        where id = :id";
+
+        try {
+            $sth = $pdo->prepare($sql);
+            $sth->execute($params);
+        } catch (PDOException $e) {
+            new \Blog\Library\ErrorMsg("Fehler beim Aktualisieren der Daten.", $e);
+            die;
+        }
+
+    }
+
 }