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ajax implementiert

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This commit is contained in:
Caroline Schulte
2026-06-15 21:54:06 +02:00
parent eb56b8d6a0
commit e1ee70b46f
4 changed files with 129 additions and 49 deletions
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content/showArticle.php
+3 -1
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@@ -114,7 +114,9 @@ if (isset($_GET["id"])) {
</div> </div>
<?php endforeach; ?> <?php endforeach; ?>
<?php else: ?> <?php else: ?>
<p>Noch keine Kommentare vorhanden.</p> <p class="no-comments-message">
Noch keine Kommentare vorhanden.
</p>
<?php endif; ?> <?php endif; ?>
</div> </div>
index.php
+23 -48
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@@ -29,55 +29,30 @@ if ($pfad === "deleteAccount") {
} }
?> ?>
<!-- <!--
Seite: Index der Lernplattform Seite: Index der Lernplattform
Funktion: Webseitengerüst, Anzeigen von Content Funktion: Webseitengerüst, Anzeigen von Content
--> -->
<!DOCTYPE html> <!DOCTYPE html>
<html lang="de"> <html lang="de">
<head> <head>
<meta charset="utf-8"> <meta charset="utf-8">
<meta name="description" content="EduForge"> <meta name="description" content="EduForge">
<meta name="author" content="Niklas Ortmann"> <meta name="author" content="Niklas Ortmann">
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="icon" type="image/x-icon" href="images/logos/logo_icon.ico"> <link rel="icon" type="image/x-icon" href="images/logos/logo_icon.ico">
<link rel="stylesheet" href="css/main.css"> <link rel="stylesheet" href="css/main.css">
<link rel="stylesheet" href="css/navbar.css"> <link rel="stylesheet" href="css/navbar.css">
<link rel="stylesheet" href="css/footer.css"> <link rel="stylesheet" href="css/footer.css">
<link rel="stylesheet" href="css/search-results.css"> <link rel="stylesheet" href="css/search-results.css">
<link rel="stylesheet" href="css/createArticle.css"> <link rel="stylesheet" href="css/createArticle.css">
<link rel="stylesheet" href="css/profile.css"> <link rel="stylesheet" href="css/profile.css">
<link rel="stylesheet" href="css/showArticle.css"> <link rel="stylesheet" href="css/showArticle.css">
<link rel="stylesheet" href="css/message.css"> <link rel="stylesheet" href="css/message.css">
<script src="js/paginator.js" async></script> <script src="js/comments.js" defer></script>
<title>EduForge</title> <title>EduForge</title>
</head> </head>
<body>
<?php
include_once 'includes/navbar.php';
/*
Dynamischer Inhalt:
Je nach pfad-Parameter wird die passende Datei aus content geladen.
*/
if (file_exists('content/' . $pfad . '.php')) {
include_once 'content/' . $pfad . '.php';
} else {
include_once 'content/404.php';
}
include_once 'includes/footer.php';
?>
</body>
</html>
<?php
ob_end_flush();
?>
js/comments.js
+55
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@@ -0,0 +1,55 @@
document.addEventListener("DOMContentLoaded", function () {
const form = document.getElementById("comment-form");
const commentsList = document.getElementById("comments-list");
const commentContent = document.getElementById("comment-content");
if (!form || !commentsList || !commentContent) {
return;
}
form.addEventListener("submit", function (event) {
event.preventDefault();
const formData = new FormData(form);
fetch("php/ajax/add-comment.php", {
method: "POST",
body: formData
})
.then(response => response.json())
.then(data => {
if (!data.success) {
alert(data.message);
return;
}
const emptyMessage = commentsList.querySelector(".no-comments-message");
if (emptyMessage) {
emptyMessage.remove();
}
const commentElement = document.createElement("div");
commentElement.classList.add("comment-item");
commentElement.innerHTML = `
<p>
<strong>${escapeHtml(data.author)}</strong>
<span>${escapeHtml(data.created)}</span>
</p>
<p>${escapeHtml(data.content).replace(/\n/g, "<br>")}</p>
`;
commentsList.prepend(commentElement);
commentContent.value = "";
})
.catch(() => {
alert("Kommentar konnte nicht gesendet werden.");
});
});
function escapeHtml(text) {
const div = document.createElement("div");
div.textContent = text;
return div.innerHTML;
}
});
php/ajax/add-comment.php
+48
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@@ -0,0 +1,48 @@
<?php
session_start();
header("Content-Type: application/json");
require_once "../model/CommentManager.php";
if (!isset($_SESSION["user_email"])) {
echo json_encode([
"success" => false,
"message" => "Du musst angemeldet sein."
]);
exit();
}
$articleId = $_POST["article_id"] ?? null;
$content = trim($_POST["content"] ?? "");
if (empty($articleId) || empty($content)) {
echo json_encode([
"success" => false,
"message" => "Kommentar darf nicht leer sein."
]);
exit();
}
try {
$commentManager = CommentManager::getInstance();
$commentManager->addComment(
$articleId,
$_SESSION["user_email"],
$content
);
echo json_encode([
"success" => true,
"author" => $_SESSION["user_email"],
"content" => $content,
"created" => date("Y-m-d H:i:s")
]);
} catch (Exception $e) {
echo json_encode([
"success" => false,
"message" => "Kommentar konnte nicht gespeichert werden."
]);
}