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Kommentare im Profil anzeigen

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This commit is contained in:
Caroline Schulte
2026-06-15 23:55:10 +02:00
parent c4c299eed6
commit f4f6960b9d
4 changed files with 105 additions and 213 deletions
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content/profile.php
+36 -3
View File
@@ -93,7 +93,7 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
<div class="container">
<?php include_once "includes/alertMessages.php"?>
<?php include_once "includes/alertMessages.php" ?>
<h2 class="section-title">Meine Beiträge</h2>
@@ -157,7 +157,9 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
</a>
<form action="php/controller/deleteArticle-controller.php" method="POST">
<input type="hidden" name="id" value="<?php echo htmlspecialchars($userArticle->getID()); ?>">
<input type="hidden"
name="id"
value="<?php echo htmlspecialchars($userArticle->getID()); ?>">
<button type="submit"
class="button"
@@ -165,7 +167,6 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
Löschen
</button>
</form>
</div>
<?php endforeach; ?>
@@ -180,9 +181,41 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
</button>
<?php endif; ?>
</div>
<br>
<h2 class="section-title">Meine Kommentare</h2>
<div class="articles-list">
<?php if (isset($userComments) && count($userComments) > 0): ?>
<?php foreach ($userComments as $comment): ?>
<div class="article-item">
<div class="article-meta">
<span class="article-date">
<?php echo htmlspecialchars($comment->getCreated()); ?>
</span>
</div>
<p>
<?php echo nl2br(htmlspecialchars($comment->getContent())); ?>
</p>
<a href="index.php?pfad=showArticle&id=<?php echo htmlspecialchars($comment->getArticleId()); ?>"
class="edit-link-button">
Zum Beitrag
</a>
</div>
<?php endforeach; ?>
<?php else: ?>
<p>Du hast noch keine Kommentare geschrieben.</p>
<?php endif; ?>
<?php unset($_SESSION["message"]); ?>
</div>
</div>
</div>
php/controller/profile-controller.php
+4
View File
@@ -3,6 +3,7 @@
require_once "php/model/UserManager.php";
require_once "php/model/Article.php";
require_once "php/model/ArticleManager.php";
require_once "php/model/CommentManager.php";
require_once "php/validator/user-validator.php";
$error = null;
@@ -76,6 +77,9 @@ try {
$articleManager = ArticleManager::getInstance();
$userArticles = $articleManager->getArticlesByAuthor($_SESSION["user_email"]);
$commentManager = CommentManager::getInstance();
$userComments = $commentManager->getCommentsByAuthor($_SESSION["user_email"]);
if (!isset($userArticles)) {
$_SESSION["message"] = "user_has_no_articles";
}
php/model/CommentManagerDAO.php
+9
View File
@@ -42,4 +42,13 @@ interface CommentManagerDAO
public function getCommentsByArticle(
$articleId
);
/**
* Gibt alle Kommentare eines Autors zurück.
*
* @param string $author E-Mail-Adresse des Autors
*
* @return Comment[] Liste der Kommentare
*/
public function getCommentsByAuthor($author);
}
php/model/DatabaseCommentManager.php
+56 -210
View File
@@ -1,222 +1,68 @@
<?php
require_once "CommentManagerDAO.php";
require_once "Comment.php";
/**
* Verwaltet die Speicherung und das Laden von Kommentaren
* über eine SQLite-Datenbank.
*
* @author Caroline Schulte
*/
class DatabaseCommentManager implements CommentManagerDAO
* Lädt alle Kommentare eines Autors.
*
* @param string $author E-Mail-Adresse des Autors
*
* @return Comment[]
*/
public function getCommentsByAuthor($author)
{
private static $instance = null;
try {
$db = $this->getConnection();
/**
* Erstellt die Kommentartabelle,
* falls diese noch nicht existiert.
*
* Zusätzlich wird geprüft, ob die Spalte parent_comment_id existiert.
*/
public function __construct()
{
try {
$db = $this->getConnection();
$sql = "
SELECT
id,
article_id,
CASE
WHEN parent_comment_id IS NULL THEN NULL
WHEN parent_comment_id = '' THEN NULL
WHEN parent_comment_id = 0 THEN NULL
ELSE parent_comment_id
END AS parent_comment_id,
author,
content,
created
FROM comments
WHERE author = :author
ORDER BY created DESC
";
$db->exec("
CREATE TABLE IF NOT EXISTS comments (
id INTEGER PRIMARY KEY AUTOINCREMENT,
article_id INTEGER NOT NULL,
parent_comment_id INTEGER NULL,
author TEXT NOT NULL,
content TEXT NOT NULL,
created TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
");
$command = $db->prepare($sql);
$columns = $db->query("PRAGMA table_info(comments);")->fetchAll(PDO::FETCH_ASSOC);
$hasParentColumn = false;
$command->execute([
":author" => $author
]);
foreach ($columns as $column) {
if ($column["name"] === "parent_comment_id") {
$hasParentColumn = true;
break;
}
}
$comments = [];
if (!$hasParentColumn) {
$db->exec("ALTER TABLE comments ADD COLUMN parent_comment_id INTEGER NULL;");
}
while ($row = $command->fetch(PDO::FETCH_ASSOC)) {
$parentCommentId = null;
unset($db);
if (
isset($row["parent_comment_id"])
&& $row["parent_comment_id"] !== null
&& $row["parent_comment_id"] !== ""
&& intval($row["parent_comment_id"]) !== 0
) {
$parentCommentId = intval($row["parent_comment_id"]);
}
} catch (PDOException $e) {
throw new RuntimeException(
"Kommentardatenbank konnte nicht erstellt werden."
);
}
}
$comments[] = new Comment(
intval($row["id"]),
intval($row["article_id"]),
$parentCommentId,
$row["author"],
$row["content"],
$row["created"]
);
}
/**
* Baut die Verbindung zur SQLite-Datenbank auf.
*
* @return PDO Datenbankverbindung
*/
private function getConnection()
{
try {
$dsn = 'sqlite:' . __DIR__ . '/../../db/comments.db';
return $comments;
$db = new PDO($dsn, null, null);
$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
return $db;
} catch (PDOException $e) {
throw new RuntimeException(
"Verbindung zur Kommentardatenbank fehlgeschlagen."
);
}
}
/**
* Gibt die Singleton-Instanz zurück.
*
* @return DatabaseCommentManager
*/
public static function getInstance()
{
if (self::$instance === null) {
self::$instance = new DatabaseCommentManager();
}
return self::$instance;
}
/**
* Speichert einen neuen Kommentar oder eine Antwort.
*
* @param int $articleId ID des Beitrags
* @param string $author Autor des Kommentars
* @param string $content Inhalt des Kommentars
* @param int|null $parentCommentId ID des Eltern-Kommentars oder null
*
* @return int ID des neu gespeicherten Kommentars
*/
public function addComment(
$articleId,
$author,
$content,
$parentCommentId = null
) {
try {
$db = $this->getConnection();
if ($parentCommentId === "" || $parentCommentId === 0 || $parentCommentId === "0") {
$parentCommentId = null;
}
$sql = "
INSERT INTO comments (
article_id,
parent_comment_id,
author,
content
)
VALUES (
:articleId,
:parentCommentId,
:author,
:content
)
";
$command = $db->prepare($sql);
$command->execute([
":articleId" => $articleId,
":parentCommentId" => $parentCommentId,
":author" => $author,
":content" => $content
]);
return intval($db->lastInsertId());
} catch (PDOException $e) {
throw new RuntimeException(
"Kommentar konnte nicht gespeichert werden."
);
}
}
/**
* Lädt alle Kommentare eines Beitrags.
*
* @param int $articleId ID des Beitrags
*
* @return Comment[]
*/
public function getCommentsByArticle(
$articleId
) {
try {
$db = $this->getConnection();
$sql = "
SELECT
id,
article_id,
CASE
WHEN parent_comment_id IS NULL THEN NULL
WHEN parent_comment_id = '' THEN NULL
WHEN parent_comment_id = 0 THEN NULL
ELSE parent_comment_id
END AS parent_comment_id,
author,
content,
created
FROM comments
WHERE article_id = :articleId
ORDER BY created ASC
";
$command = $db->prepare($sql);
$command->execute([
":articleId" => $articleId
]);
$comments = [];
while ($row = $command->fetch(PDO::FETCH_ASSOC)) {
$parentCommentId = null;
if (
isset($row["parent_comment_id"])
&& $row["parent_comment_id"] !== null
&& $row["parent_comment_id"] !== ""
&& intval($row["parent_comment_id"]) !== 0
) {
$parentCommentId = intval($row["parent_comment_id"]);
}
$comments[] = new Comment(
intval($row["id"]),
intval($row["article_id"]),
$parentCommentId,
$row["author"],
$row["content"],
$row["created"]
);
}
return $comments;
} catch (PDOException $e) {
throw new RuntimeException(
"Kommentare konnten nicht geladen werden."
);
}
}
} catch (PDOException $e) {
throw new RuntimeException(
"Kommentare konnten nicht geladen werden."
);
}
}