Login/Register/confirm and new comment feature

tasks/guestBookDB/index.php

@@ -27,6 +27,7 @@
   session_name("PHP_SESSION_guestBook");
   session_start();
   $errors = $_SESSION["error"] ?? [];
+  $user = $_SESSION["user"] ?? null;
   $_SESSION["error"] = [];
 
   if (isset($_GET["p"]) && !is_numeric($_GET["p"])) {
@@ -37,8 +38,6 @@
 
   $db = DB::openConnection();
 
-
-
   $stmt = $db->prepare($countQuery);
   $stmt->execute();
   $maxPage = intdiv($stmt->fetch(PDO::FETCH_COLUMN), 9);
@@ -55,13 +54,21 @@
   ?>
 
   <div class="container-fluid p-0">
-    <nav class="navbar navbar-expand-lg navbar-light bg-light">
+    <nav class="navbar navbar-expand-lg navbar-light bg-light sticky-top shadow-sm">
       <div class="container-fluid">
         <a class="navbar-brand" href="#">Guest Book</a>
+        <?php if (!isset($user)) { ?>
+          <a href="./login">Login</a>
+        <?php } else { ?>
+          <div>
+            Hallo <?= $user["benutzer"] ?> |
+            <a class="fs-6" href="./actions/logout">Logout</a>
+          </div>
+        <?php } ?>
       </div>
     </nav>
 
-    <div class="row m-0">
+    <div class="row m-0 mb-3">
       <div class="col">
         <?php foreach ($errors as $error) {
           include "./components/error.php";
@@ -69,6 +76,8 @@
       </div>
     </div>
 
+
+
     <div class="row row-cols-1 row-cols-lg-3 g-3 m-0 mb-3">
       <?php foreach ($data as $comment) {
         include "./components/comment.php";
@@ -78,7 +87,16 @@
     <?php include "./components/pagination.php" ?>
 
     <hr />
-    <?php include "./components/newComment.php" ?>
+    <?php if (isset($user)) { ?>
+      <?php include "./components/newComment.php" ?>
+    <?php } else { ?>
+      <div class="row g-3 m-0">
+        <h4> You wish to leave a Comment?</h4>
+        <p>
+          <a href="./login">Login</a> or <a href="./register">register</a> a new account!
+        </p>
+      </div>
+    <?php } ?>
   </div>
 </body>