minor changes

index.php

@@ -68,10 +68,12 @@
     ?>
 
     <div id="content">
-      <br><span> Session User: <?php echo $_SESSION['user']; ?> </span>
+      <?php
-
+        if(isset($_SESSION['username'])){
+          echo("<br><span> Herzlich Willkomen " . $_SESSION['username'] . "</span>");
+        }
+      ?>
       <br>
-
     </div>
 
     <!-- Include the footer-->

js/contentloader.js

@@ -25,6 +25,7 @@ async function getNewUniqueLink() {
 
 //<!--Register-->
 document.getElementById('btnCreate').addEventListener("click" , async (event) => {
+  event.preventDefault();
   const formData = new FormData(document.getElementById('create-form'));
   try {
     const response = await fetch('php/signup.php', {

php/getSession.php

@@ -1 +0,0 @@
-<?php echo json_encode($_SESSION['user']) ?>

php/signup.php

@@ -6,13 +6,13 @@
   $pswd = ($_POST['registerPassword']);
   $email = ($_POST['registerMail']);
 
-  $search_user = $database->prepare("SELECT ID FROM user WHERE user='$name '");
+  $search_user = $database->prepare("SELECT ID FROM user WHERE username='$name '");
   $search_user->execute();
   $search_result = $search_user->get_result();
 
   if ($search_result->num_rows == 0) {
     $pswd = md5($pswd);
-    $stmt = $database->prepare("INSERT INTO user(user, email, password) VALUES (?,?,?)");
+    $stmt = $database->prepare("INSERT INTO user(username, email, password) VALUES (?,?,?)");
     $stmt->bind_param("sss", $name, $email, $pswd);
     $stmt->execute();
     $stmt->close();

segments/_login.php

@@ -6,14 +6,15 @@ if( (isset($_POST['loginName'])) && isset($_POST['loginPassword'])){
   $pswd = ($_POST['loginPassword']);
   $pswd = md5($pswd);
 
-  $stmt = $database->prepare("SELECT id FROM user WHERE '$name'=user AND password='$pswd'");
+  $stmt = $database->prepare("SELECT id, username FROM user WHERE '$name'=username AND password='$pswd'");
   $stmt->execute();
   $result = $stmt->get_result();
 
   if ($result->num_rows == 1) {
     $object = $result->fetch_object();
     $_SESSION['user'] = $object->id;
-    echo "Einloggen erfolgreich";
+    $_SESSION['username'] = $object->username;
+    echo "Einloggen erfolgreich <br> Willkommen " . $_SESSION['username'];
     header("refresh:1;");
   } else {
     echo "Einloggen fehlgeschlagen";

segments/_register.php

@@ -8,7 +8,7 @@
 </div>
 <hr />
 <!--Register-->
-<form id="create-form" action="index.php" method="post">
+<form id="create-form" action="index.php?page=login" method="post">
 
 <div class="input-group input-group-sm mb-3">
 <div class="input-group-prepend">