Update updateArticle.php

content/createArticle.php

@@ -51,211 +51,45 @@ if (!isset($_SESSION["user"])) {
         <div class="sidebar-block">
             <label for="category">Kategorie <span class="required">*</span></label>
             <select id="category" name="category" required>
-                <option disabled <?php
+                <option value="" disabled selected>Kategorie wählen...</option>
-                if ((!isset($_SESSION['old_category']) || empty($_SESSION['old_category'])) && (!isset($category) || empty($category))) {
-                    echo 'selected';
-                }
-                ?>>Kategorie wählen...</option>
 
                 <optgroup label="Sprachen">
-                    <option value="deutsch" <?php
+                    <option value="deutsch">Deutsch</option>
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
+                    <option value="englisch">Englisch</option>
-                        if ($_SESSION['old_category'] === 'deutsch') { echo 'selected'; }
+                    <option value="franzoesisch">Französisch</option>
-                    } elseif (isset($category) && !empty($category)) {
+                    <option value="latein">Latein</option>
-                        if ($category === 'deutsch') { echo 'selected'; }
+                    <option value="literatur">Literatur</option>
-                    }
-                    ?>>Deutsch</option>
-                    <option value="englisch" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'englisch') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'englisch') { echo 'selected'; }
-                    }
-                    ?>>Englisch</option>
-                    <option value="franzoesisch" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'franzoesisch') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'franzoesisch') { echo 'selected'; }
-                    }
-                    ?>>Französisch</option>
-                    <option value="latein" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'latein') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'latein') { echo 'selected'; }
-                    }
-                    ?>>Latein</option>
-                    <option value="literatur" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'literatur') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'literatur') { echo 'selected'; }
-                    }
-                    ?>>Literatur</option>
                 </optgroup>
 
                 <optgroup label="MINT">
-                    <option value="mathe" <?php
+                    <option value="mathe">Mathematik</option>
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
+                    <option value="biologie">Biologie</option>
-                        if ($_SESSION['old_category'] === 'mathe') { echo 'selected'; }
+                    <option value="chemie">Chemie</option>
-                    } elseif (isset($category) && !empty($category)) {
+                    <option value="physik">Physik</option>
-                        if ($category === 'mathe') { echo 'selected'; }
+                    <option value="informatik">Informatik</option>
-                    }
+                    <option value="astronomie">Astronomie</option>
-                    ?>>Mathematik</option>
-                    <option value="biologie" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'biologie') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'biologie') { echo 'selected'; }
-                    }
-                    ?>>Biologie</option>
-                    <option value="chemie" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'chemie') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'chemie') { echo 'selected'; }
-                    }
-                    ?>>Chemie</option>
-                    <option value="physik" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'physik') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'physik') { echo 'selected'; }
-                    }
-                    ?>>Physik</option>
-                    <option value="informatik" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'informatik') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'informatik') { echo 'selected'; }
-                    }
-                    ?>>Informatik</option>
-                    <option value="astronomie" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'astronomie') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'astronomie') { echo 'selected'; }
-                    }
-                    ?>>Astronomie</option>
                 </optgroup>
 
                 <optgroup label="Gesellschaft & Werte">
-                    <option value="geschichte" <?php
+                    <option value="geschichte">Geschichte</option>
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
+                    <option value="erdkunde">Erdkunde</option>
-                        if ($_SESSION['old_category'] === 'geschichte') { echo 'selected'; }
+                    <option value="sozialkunde">Sozialkunde</option>
-                    } elseif (isset($category) && !empty($category)) {
+                    <option value="wirtschaft">Wirtschaftskunde</option>
-                        if ($category === 'geschichte') { echo 'selected'; }
+                    <option value="religion">Religion</option>
-                    }
+                    <option value="ethik">Ethikunterricht</option>
-                    ?>>Geschichte</option>
+                    <option value="philosophie">Philosophie</option>
-                    <option value="erdkunde" <?php
+                    <option value="psychologie">Psychologie</option>
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
+                    <option value="kunst">Kunst</option>
-                        if ($_SESSION['old_category'] === 'erdkunde') { echo 'selected'; }
+                    <option value="musik">Musik</option>
-                    } elseif (isset($category) && !empty($category)) {
+                    <option value="theater">Theater</option>
-                        if ($category === 'erdkunde') { echo 'selected'; }
-                    }
-                    ?>>Erdkunde</option>
-                    <option value="sozialkunde" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'sozialkunde') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'sozialkunde') { echo 'selected'; }
-                    }
-                    ?>>Sozialkunde</option>
-                    <option value="wirtschaft" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'wirtschaft') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'wirtschaft') { echo 'selected'; }
-                    }
-                    ?>>Wirtschaftskunde</option>
-                    <option value="religion" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'religion') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'religion') { echo 'selected'; }
-                    }
-                    ?>>Religion</option>
-                    <option value="ethik" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'ethik') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'ethik') { echo 'selected'; }
-                    }
-                    ?>>Ethikunterricht</option>
-                    <option value="philosophie" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'philosophie') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'philosophie') { echo 'selected'; }
-                    }
-                    ?>>Philosophie</option>
-                    <option value="psychologie" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'psychologie') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'psychologie') { echo 'selected'; }
-                    }
-                    ?>>Psychologie</option>
-                    <option value="kunst" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'kunst') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'kunst') { echo 'selected'; }
-                    }
-                    ?>>Kunst</option>
-                    <option value="musik" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'musik') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'musik') { echo 'selected'; }
-                    }
-                    ?>>Musik</option>
-                    <option value="theater" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'theater') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'theater') { echo 'selected'; }
-                    }
-                    ?>>Theater</option>
                 </optgroup>
 
                 <optgroup label="Technik & Praxis">
-                    <option value="technik" <?php
+                    <option value="technik">Technik</option>
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
+                    <option value="werken">Werken</option>
-                        if ($_SESSION['old_category'] === 'technik') { echo 'selected'; }
+                    <option value="hauswirtschaft">Hauswirtschaft</option>
-                    } elseif (isset($category) && !empty($category)) {
+                    <option value="sport">Sport</option>
-                        if ($category === 'technik') { echo 'selected'; }
-                    }
-                    ?>>Technik</option>
-                    <option value="werken" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'werken') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'werken') { echo 'selected'; }
-                    }
-                    ?>>Werken</option>
-                    <option value="hauswirtschaft" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'hauswirtschaft') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'hauswirtschaft') { echo 'selected'; }
-                    }
-                    ?>>Hauswirtschaft</option>
-                    <option value="sport" <?php
-                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                        if ($_SESSION['old_category'] === 'sport') { echo 'selected'; }
-                    } elseif (isset($category) && !empty($category)) {
-                        if ($category === 'sport') { echo 'selected'; }
-                    }
-                    ?>>Sport</option>
                 </optgroup>
-
-                <?php
-                if (isset($_SESSION['old_category'])) {
-                    unset($_SESSION['old_category']);
-                }
-                ?>
             </select>
         </div>
 

content/home.php

@@ -19,34 +19,28 @@ include_once 'php/controller/home-controller.php';
         sea takimata sanctus est Lorem ipsum dolor sit amet.
     </p>
 
-    <!-- Flexbox für aktive Kategorien -->
+    <!-- Flexbox -->
-    <div class="flexbox">
+     <div class="flexbox">
-        <?php
+        <div class="container">
-        if (!empty($categoriesWithArticles) && is_array($categoriesWithArticles)):
+            <a href="index.php?pfad=showCategory&category=informatik" class="category-link">Informatik</a>
-            foreach ($categoriesWithArticles as $category):
+            <div class="article-link">
-                ?>
+                <a href="index.php?pfad=showArticle&id=<?php echo $dummy3->getId()?>"><?php if(isset($dummy3)){echo $dummy3->getTitle();}else{echo "Fehler: Beitrag nicht gefunden!";} ?></a>
-                <div class="container">
+            </div>
-                    <a href="index.php?pfad=showCategory&category=<?php echo htmlspecialchars($category['slug']); ?>" class="category-link">
+        </div>
-                        <?php echo htmlspecialchars($category['name']); ?>
-                    </a>
 
-                    <!-- die 5 neuesten Beiträge der Kategorie -->
+        <div class="container">
-                    <div class="article-links-wrapper">
+            <a href="index.php?pfad=showCategory&category=mathe" class="category-link">Mathe</a>
-                        <?php foreach ($category['articles'] as $article): ?>
+            <div class="article-link">
-                            <div class="article-link">
+                <a href="index.php?pfad=showArticle&id=<?php echo $dummy1->getId()?>"><?php if(isset($dummy1)){echo $dummy1->getTitle();}else{echo "Fehler: Beitrag nicht gefunden!";} ?></a>
-                                <a href="index.php?pfad=showArticle&id=<?php echo htmlspecialchars($article->getId()); ?>">
+            </div>
-                                    <?php echo htmlspecialchars($article->getTitle()); ?>
+        </div>
-                                </a>
+        
-                            </div>
+        <div class="container">
-                        <?php endforeach; ?>
+            <a href="index.php?pfad=showCategory&category=physik" class="category-link">Physik</a>
-                    </div>
+            <div class="article-link">
-                </div>
+                <a href="index.php?pfad=showArticle&id=<?php echo $dummy2->getId()?>"><?php if(isset($dummy2)){echo $dummy2->getTitle();}else{echo "Fehler: Beitrag nicht gefunden!";} ?></a>
-            <?php
+            </div>
-            endforeach;
+        </div>
-        else:
-            ?>
-            <p>Aktuell sind keine Beiträge in den Kategorien vorhanden.</p>
-        <?php endif; ?>
     </div>
 
 </main>

content/profile.php

@@ -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>
 
@@ -157,9 +157,7 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
                             </a>
 
                             <form action="php/controller/deleteArticle-controller.php" method="POST">
-                                <input type="hidden"
+                                <input type="hidden" name="id" value="<?php echo htmlspecialchars($userArticle->getID()); ?>">
-                                       name="id"
-                                       value="<?php echo htmlspecialchars($userArticle->getID()); ?>">
 
                                 <button type="submit"
                                         class="button"
@@ -167,6 +165,7 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
                                     Löschen
                                 </button>
                             </form>
+
                         </div>
                     <?php endforeach; ?>
 
@@ -181,57 +180,10 @@ $isEditMode = (isset($_GET["edit"]) && $_GET["edit"] === "1") || !empty($error);
                     </button>
 
                 <?php endif; ?>
+
+                <?php unset($_SESSION["message"]); ?>
             </div>
-
-            <br>
-
-            <!-- Eigener Bereich für die Kommentare des Nutzers -->
-            <div class="comments-section">
-
-                <h2 class="section-title">Meine Kommentare</h2>
-
-                <!-- Liste aller Kommentare des Nutzers -->
-                <div class="comments-list">
-
-                    <?php if (isset($userComments) && count($userComments) > 0): ?>
-
-                        <?php foreach ($userComments as $comment): ?>
-                            <div class="article-item">
-
-                                <!-- Erstellungsdatum des Kommentars -->
-                                <div class="article-meta">
-                        <span class="article-date">
-                            <?php echo htmlspecialchars($comment->getCreated()); ?>
-                        </span>
-                                </div>
-
-                                <!-- Inhalt des Kommentars -->
-                                <p>
-                                    <?php echo nl2br(htmlspecialchars($comment->getContent())); ?>
-                                </p>
-
-                                <!-- Link zum Beitrag, unter dem der Kommentar geschrieben wurde -->
-                                <a href="index.php?pfad=showArticle&id=<?php echo htmlspecialchars($comment->getArticleId()); ?>"
-                                   class="edit-link-button">
-                                    Zum Beitrag
-                                </a>
-
-                            </div>
-                        <?php endforeach; ?>
-
-                    <?php else: ?>
-
-                        <p>Du hast noch keine Kommentare geschrieben.</p>
-
-                    <?php endif; ?>
-
-                </div>
-
-            </div>
-
-            <?php unset($_SESSION["message"]); ?>
-            </div>
-
         </div>
 
+    </div>
 </main>

content/search-results.php

@@ -3,37 +3,18 @@ if (session_status() === PHP_SESSION_NONE) {
     session_start();
 }
  
-$all_results = $_SESSION["search_results"] ?? [];
+$results = $_SESSION["search_results"] ?? [];
 $query = $_SESSION["search_query"] ?? "";
-$totalResultsCount = count($all_results);
 
 $limit = isset($_GET['limit']) ? (int)$_GET['limit'] : 10;
 if (!in_array($limit, [10, 20, 50, 100])) {
     $limit = 10;
 }
+$results = array_slice($results, 0, $limit);
 
-// Gesamtseitenzahl
-$totalPages = max(1, ceil($totalResultsCount / $limit));
-
-// Aktuelle Seite auslesen und validieren
-$currentPage = isset($_GET['page']) ? (int)$_GET['page'] : 1;
-if ($currentPage < 1) {
-    $currentPage = 1;
-} elseif ($currentPage > $totalPages) {
-    $currentPage = $totalPages;
-}
-
-// Startpunkt im Array berechnen (Offset)
-$offset = ($currentPage - 1) * $limit;
-
-// Nur die Ergebnisse für die aktuelle Seite ausschneiden
-$results = array_slice($all_results, $offset, $limit);
 $resultCount = count($results);
 
 ?>
-<noscript>
-    Bitte JavaScript aktivieren!
-</noscript>
 <!--
     Seite: Suchergebnisse
     Inhalt: Zeigt die Ergebnisse einer Suche an
@@ -46,10 +27,8 @@ $resultCount = count($results);
 
         <!-- Sortierfuntion Box und Such Box-->
          <form id="search-form-id" action="php/controller/search-results-controller.php" method="GET" class="s-res-sidebar-form">
-             <!-- Dieses Feld hält die aktuelle Seitenzahl für den Submit bereit -->
-             <input type="hidden" name="page" id="s-res-page-input" value="<?php echo $currentPage; ?>">
     
-             <div class="s-res-sidebar-box">
+            <div class="s-res-sidebar-box">
                 <h3 class="s-res-sidebar-title">Suche anpassen</h3>
                 <input type="search" id="site-search" name="q" placeholder="Suchen..." class="nav__search" value="<?php echo htmlspecialchars($query); ?>" maxlength="50" required>
                 <button type="submit" class="nav__search-button">Suchen</button>
@@ -87,7 +66,7 @@ $resultCount = count($results);
 
         <div class="s-res-header">
             <h1 class="s-res-main-title">Suchergebnisse</h1>
-            <p class="s-res-meta"><?php echo $totalResultsCount; ?> Treffer für Ihre Suchanfrage "<?php echo htmlspecialchars($query); ?>"</p>
+            <p class="s-res-meta"><?php echo $resultCount; ?> Treffer für Ihre Suchanfrage "<?php echo htmlspecialchars($query); ?>"</p>
         </div>
 
         <!-- Ergebnisliste -->
@@ -136,20 +115,9 @@ $resultCount = count($results);
             </div>
 
             <div class="s-res-page-navigation">
-                <button type="button" class="s-res-page-btn" data-page="<?php echo $currentPage - 1; ?>" <?php echo $currentPage <= 1 ? 'disabled' : ''; ?>>
+                <button type="button" class="s-res-page-btn" disabled>&laquo;</button>
-                    «
+                <button type="button" class="s-res-page-btn s-res-page-btn-active">1</button>
-                </button>
+                <button type="button" class="s-res-page-btn">&raquo;</button>
-                <!-- Dynamische Seitenzahlen -->
-                <?php for ($i = 1; $i <= $totalPages; $i++): ?>
-                    <button type="button"
-                            class="s-res-page-btn <?php echo $i === $currentPage ? 's-res-page-btn-active' : ''; ?>"
-                            data-page="<?php echo $i; ?>">
-                        <?php echo $i; ?>
-                    </button>
-                <?php endfor; ?>
-                <button type="button" class="s-res-page-btn" data-page="<?php echo $currentPage + 1; ?>" <?php echo $currentPage >= $totalPages ? 'disabled' : ''; ?>>
-                    »
-                </button>
             </div>
 
         </div>

content/showArticle.php

@@ -1,33 +1,11 @@
 <?php
 include_once 'php/controller/showArticle-controller.php';
-require_once 'php/model/CommentManager.php';
-
-$comments = [];
-$mainComments = [];
-$repliesByParent = [];
-
-if (isset($_GET["id"])) {
-    try {
-        $commentManager = CommentManager::getInstance();
-        $comments = $commentManager->getCommentsByArticle($_GET["id"]);
-
-        foreach ($comments as $comment) {
-            if ($comment->isReply()) {
-                $parentId = $comment->getParentCommentId();
-                $repliesByParent[$parentId][] = $comment;
-            } else {
-                $mainComments[] = $comment;
-            }
-        }
-    } catch (Exception $e) {
-        $_SESSION["message"] = "internal_error";
-    }
-}
 ?>
 <!--
-     Seite: Anzeige für Beiträge
+    Seite: Anzeige für Beiträge
-     Funktion: Stellt einen übergebenen Beitrag dar.
+    Funktion: Stellt einen übergebenen Beitrag dar.
- -->
+-->
+
 <!-- Hauptcontainer für die Beitragsansicht (Ausschließlich der Content-Bereich) -->
 <main class="article-view-container">
     <?php include_once "includes/alertMessages.php"?>
@@ -38,7 +16,6 @@ if (isset($_GET["id"])) {
         <?php if (isset($category) && !empty($category)): ?>
             <span class="article-view-category"><?php echo htmlspecialchars($category); ?></span>
         <?php endif; ?>
-
         <h1 class="article-view-title">
             <?php if (isset($title)) { echo htmlspecialchars($title); } ?>
         </h1>
@@ -105,79 +82,5 @@ if (isset($_GET["id"])) {
         </div>
     <?php endif; ?>
 
-    <section class="article-comments-section">
-        <h2>Kommentare</h2>
-
-        <div id="comments-list">
-            <?php if (!empty($mainComments)): ?>
-                <?php foreach ($mainComments as $comment): ?>
-                    <div class="comment-item" data-comment-id="<?php echo htmlspecialchars($comment->getId()); ?>">
-                        <p>
-                            <strong><?php echo htmlspecialchars($comment->getAuthor()); ?></strong>
-                            <span><?php echo htmlspecialchars($comment->getCreated()); ?></span>
-                        </p>
-
-                        <p><?php echo nl2br(htmlspecialchars($comment->getContent())); ?></p>
-
-                        <?php if (isset($_SESSION["user_email"])): ?>
-                            <button type="button"
-                                    class="reply-button"
-                                    data-comment-id="<?php echo htmlspecialchars($comment->getId()); ?>"
-                                    data-author="<?php echo htmlspecialchars($comment->getAuthor()); ?>">
-                                Antworten
-                            </button>
-                        <?php endif; ?>
-
-                        <div class="comment-replies">
-                            <?php if (isset($repliesByParent[$comment->getId()])): ?>
-                                <?php foreach ($repliesByParent[$comment->getId()] as $reply): ?>
-                                    <div class="comment-item comment-reply">
-                                        <p>
-                                            <strong><?php echo htmlspecialchars($reply->getAuthor()); ?></strong>
-                                            <span><?php echo htmlspecialchars($reply->getCreated()); ?></span>
-                                        </p>
-
-                                        <p><?php echo nl2br(htmlspecialchars($reply->getContent())); ?></p>
-                                    </div>
-                                <?php endforeach; ?>
-                            <?php endif; ?>
-                        </div>
-                    </div>
-                <?php endforeach; ?>
-            <?php else: ?>
-                <p class="no-comments-message">
-                    Noch keine Kommentare vorhanden.
-                </p>
-            <?php endif; ?>
-        </div>
-
-        <?php if (isset($_SESSION["user_email"])): ?>
-            <form id="comment-form">
-                <input type="hidden"
-                       name="article_id"
-                       value="<?php echo htmlspecialchars($_GET["id"] ?? ""); ?>">
-
-                <input type="hidden"
-                       name="parent_comment_id"
-                       id="parent-comment-id"
-                       value="">
-
-                <p id="reply-info" class="reply-info" style="display: none;"></p>
-
-                <textarea name="content"
-                          id="comment-content"
-                          placeholder="Schreibe einen Kommentar..."
-                          required></textarea>
-
-                <button type="submit" class="button">
-                    Kommentar senden
-                </button>
-            </form>
-        <?php else: ?>
-            <div class="comment-login-hint">
-                <p>Melde dich an, um einen Kommentar zu schreiben.</p>
-                <a href="index.php?pfad=login" class="button">Jetzt anmelden</a>
-            </div>
-        <?php endif; ?>
-    </section>
 </main>
+

css/showArticle.css

@@ -147,96 +147,3 @@
         font-size: 1.85rem;
     }
 }
-
-/* --- KOMMENTARE --- */
-
-.article-comments-section {
-    margin-top: 3rem;
-    padding-top: 2rem;
-    border-top: 1px solid #e2e8f0;
-}
-
-.article-comments-section h2 {
-    font-size: 2rem;
-    margin-bottom: 1.5rem;
-}
-
-#comments-list {
-    margin-bottom: 2rem;
-}
-
-.comment-item {
-    background-color: #f8fafc;
-    border: 1px solid #e2e8f0;
-    border-radius: 10px;
-    padding: 1rem 1.25rem;
-    margin-bottom: 1rem;
-}
-
-#comment-form {
-    width: 100%;
-    display: flex;
-    flex-direction: column;
-    gap: 1rem;
-}
-
-#comment-content {
-    width: 100%;
-    min-height: 130px;
-    padding: 1rem;
-    border: 1px solid #cbd5e1;
-    border-radius: 8px;
-    font-size: 1rem;
-    font-family: inherit;
-    resize: vertical;
-}
-
-#comment-form .button {
-    width: 100%;
-}
-
-.reply-button {
-    display: inline-block;
-    margin-top: 0.75rem;
-    background: none;
-    border: none;
-    color: #2563eb;
-    font-weight: 700;
-    cursor: pointer;
-    padding: 0;
-    font-size: 0.95rem;
-}
-
-.reply-button:hover {
-    text-decoration: underline;
-}
-
-.comment-replies {
-    margin-top: 1rem;
-    margin-left: 2rem;
-    padding-left: 1rem;
-    border-left: 3px solid #cbd5e1;
-}
-
-.comment-reply {
-    background-color: #eef6ff;
-    margin-top: 1rem;
-}
-
-.reply-info {
-    margin: 0.5rem 0;
-    color: #475569;
-    font-weight: 600;
-}
-.comment-login-hint {
-    margin-top: 2rem;
-    padding: 1.5rem;
-    background-color: #f8fafc;
-    border: 1px solid #e2e8f0;
-    border-radius: 10px;
-    text-align: center;
-}
-
-.comment-login-hint p {
-    margin-bottom: 1rem;
-}

index.php

@@ -52,10 +52,7 @@ if ($pfad === "deleteAccount") {
         <link rel="stylesheet" href="css/showArticle.css">
         <link rel="stylesheet" href="css/message.css">
 
-        <script src="js/paginator.js" async></script>
-        <script src="js/comments.js" defer></script>
         <script src="js/editor.js" async></script>
-
         <title>EduForge</title>
     </head>
 

js/comments.js

@@ -1,137 +0,0 @@
-/**
- * Initialisiert die Kommentarfunktion.
- *
- * Kommentare werden per AJAX gespeichert,
- * ohne dass die Seite neu geladen werden muss.
- */
-document.addEventListener("DOMContentLoaded", function () {
-    const form = document.getElementById("comment-form");
-    const commentsList = document.getElementById("comments-list");
-    const commentContent = document.getElementById("comment-content");
-    const parentCommentInput = document.getElementById("parent-comment-id");
-    const replyInfo = document.getElementById("reply-info");
-
-    if (!form || !commentsList || !commentContent || !parentCommentInput || !replyInfo) {
-        return;
-    }
-
-    /**
-     * Aktiviert einen einzelnen Antworten-Button.
-     *
-     * @param {HTMLButtonElement} button Antworten-Button
-     */
-    function registerReplyButton(button) {
-        button.addEventListener("click", function () {
-            parentCommentInput.value = button.dataset.commentId;
-            replyInfo.textContent = "Antwort auf " + button.dataset.author;
-            replyInfo.style.display = "block";
-            commentContent.focus();
-        });
-    }
-
-    /**
-     * Registriert alle bereits vorhandenen Antwort-Buttons.
-     */
-    document.querySelectorAll(".reply-button").forEach(function (button) {
-        registerReplyButton(button);
-    });
-
-    /**
-     * Sendet Kommentare per AJAX an den Server.
-     */
-    form.addEventListener("submit", function (event) {
-        event.preventDefault();
-
-        const formData = new FormData(form);
-        const parentCommentId = parentCommentInput.value;
-
-        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");
-
-                if (parentCommentId) {
-                    commentElement.classList.add("comment-reply");
-
-                    commentElement.innerHTML = `
-                        <p>
-                            <strong>${escapeHtml(data.author)}</strong>
-                            <span>${escapeHtml(data.created)}</span>
-                        </p>
-                        <p>${escapeHtml(data.content).replace(/\n/g, "<br>")}</p>
-                    `;
-
-                    const parentReplies = document.querySelector(
-                        `.comment-item[data-comment-id="${parentCommentId}"] .comment-replies`
-                    );
-
-                    if (parentReplies) {
-                        parentReplies.appendChild(commentElement);
-                    }
-
-                } else {
-                    commentElement.dataset.commentId = data.commentId;
-
-                    commentElement.innerHTML = `
-                        <p>
-                            <strong>${escapeHtml(data.author)}</strong>
-                            <span>${escapeHtml(data.created)}</span>
-                        </p>
-                        <p>${escapeHtml(data.content).replace(/\n/g, "<br>")}</p>
-
-                        <button type="button"
-                                class="reply-button"
-                                data-comment-id="${escapeHtml(data.commentId)}"
-                                data-author="${escapeHtml(data.author)}">
-                            Antworten
-                        </button>
-
-                        <div class="comment-replies"></div>
-                    `;
-
-                    commentsList.prepend(commentElement);
-
-                    const newReplyButton = commentElement.querySelector(".reply-button");
-
-                    if (newReplyButton) {
-                        registerReplyButton(newReplyButton);
-                    }
-                }
-
-                commentContent.value = "";
-                parentCommentInput.value = "";
-                replyInfo.textContent = "";
-                replyInfo.style.display = "none";
-            })
-            .catch(() => {
-                alert("Kommentar konnte nicht gesendet werden.");
-            });
-    });
-
-    /**
-     * Entfernt HTML-Sonderzeichen aus Nutzereingaben.
-     *
-     * @param {string} text Zu bereinigender Text
-     * @returns {string} Sicherer Text
-     */
-    function escapeHtml(text) {
-        const div = document.createElement("div");
-        div.textContent = text;
-        return div.innerHTML;
-    }
-});

js/paginator.js

@@ -1,27 +0,0 @@
-function initPaginator() {
-    const form = document.getElementById('search-form-id');
-    const pageInput = document.getElementById('s-res-page-input');
-    const pageButtons = document.querySelectorAll('.s-res-page-navigation .s-res-page-btn');
-
-    pageButtons.forEach(button => {
-        button.addEventListener('click', function() {
-            if (this.disabled) return;
-
-            const targetPage = this.getAttribute('data-page');
-
-            if (targetPage && form && pageInput) {
-                pageInput.value = targetPage;
-                form.submit();
-            }
-        });
-    });
-}
-
-// ist das DOM bereits vollständig aufgebaut?
-if (document.readyState === 'loading') {
-    // Falls noch geladen wird, auf das Event warten
-    document.addEventListener('DOMContentLoaded', initPaginator);
-} else {
-    // Falls das HTML bereits komplett da ist, sofort ausführen
-    initPaginator();
-}

php/ajax/add-comment.php

@@ -1,58 +0,0 @@
-<?php
-if (session_status() === PHP_SESSION_NONE) {
-    session_start();
-}
-
-header("Content-Type: application/json");
-
-require_once "../model/CommentManager.php";
-
-if (!isset($_SESSION["user_email"])) {
-    echo json_encode([
-        "success" => false,
-        "message" => "Du musst angemeldet sein, um zu kommentieren."
-    ]);
-    exit();
-}
-
-$articleId = $_POST["article_id"] ?? null;
-$content = trim($_POST["content"] ?? "");
-$parentCommentId = $_POST["parent_comment_id"] ?? null;
-
-if ($parentCommentId === "" || $parentCommentId === "0") {
-    $parentCommentId = null;
-}
-
-if (empty($articleId) || empty($content)) {
-    echo json_encode([
-        "success" => false,
-        "message" => "Kommentar darf nicht leer sein."
-    ]);
-    exit();
-}
-
-try {
-    $commentManager = CommentManager::getInstance();
-
-    $commentId = $commentManager->addComment(
-        $articleId,
-        $_SESSION["user_email"],
-        $content,
-        $parentCommentId
-    );
-
-    echo json_encode([
-        "success" => true,
-        "commentId" => $commentId,
-        "author" => $_SESSION["user_email"],
-        "content" => $content,
-        "created" => date("Y-m-d H:i:s"),
-        "parentCommentId" => $parentCommentId
-    ]);
-
-} catch (Exception $e) {
-    echo json_encode([
-        "success" => false,
-        "message" => "Kommentar konnte nicht gespeichert werden."
-    ]);
-}

php/controller/home-controller.php

@@ -6,44 +6,14 @@ require_once 'php/model/Article.php';
 require_once 'php/model/ArticleManager.php';
 require_once 'php/model/LocalArticleManager.php';
 
-$categoriesWithArticles = [];
-
-$allowedCategories = [
-    'deutsch', 'englisch', 'franzoesisch', 'latein', 'literatur',
-    'mathe', 'biologie', 'chemie', 'physik', 'informatik', 'astronomie',
-    'geschichte', 'erdkunde', 'sozialkunde', 'wirtschaft', 'religion',
-    'ethik', 'philosophie', 'psychologie', 'kunst', 'musik', 'theater',
-    'technik', 'werken', 'hauswirtschaft', 'sport'
-];
-
 try {
     $articleManager = ArticleManager::getInstance();
-
+    // Beziehen der Dummy-Beiträge aus dem ArticleManager:
-    foreach ($allowedCategories as $categorySlug) {
+    $dummy1 = $articleManager->getArticle(1);
-        $allCategoryArticles = $articleManager->getArticlesByCategory($categorySlug);
+    $dummy2 = $articleManager->getArticle(2);
-
+    $dummy3 = $articleManager->getArticle(3);
-        // nur Kategorien, die Beiträge enthält:
-        if (!empty($allCategoryArticles) && is_array($allCategoryArticles)) {
-
-            // Beiträge nach Erstellungsdatum sortieren:
-            usort($allCategoryArticles, function($a, $b) {
-                $dateA = strtotime($a->getCreationDate());
-                $dateB = strtotime($b->getCreationDate());
-                return $dateB <=> $dateA; // Absteigende Sortierung
-            });
-
-            // auf die 5 zuletzt hinzugefügten Beiträge begrenzen:
-            $limitedArticles = array_slice($allCategoryArticles, 0, 5);
-
-            $categoriesWithArticles[] = [
-                'slug'     => $categorySlug,
-                'name'     => ucfirst($categorySlug), // Erster Buchstabe groß für die Ansicht
-                'articles' => $limitedArticles
-            ];
-        }
-    }
-
 } catch (Exception $e){
     $_SESSION["message"] = "internal_error";
+    echo "Fehler aufgetreten: " . $e->getMessage();
 }
 ?>

php/controller/profile-controller.php

@@ -3,7 +3,6 @@
 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;
@@ -77,9 +76,6 @@ 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/controller/search-results-controller.php

@@ -62,11 +62,7 @@ if ($_SERVER["REQUEST_METHOD"] === "GET" && isset($_GET["q"])) {
             $_SESSION["message"] = "internal_error";
         }
     }
-
+    header("Location: ../../index.php?pfad=search-results");
-    $sort  = $_GET['sort'] ?? 'alphabet';
-    $limit = isset($_GET['limit']) ? (int)$_GET['limit'] : 10;
-    $page  = isset($_GET['page']) ? (int)$_GET['page'] : 1;
-    header("Location: ../../index.php?pfad=search-results&q=" . urlencode($search) . "&sort=" . urlencode($sort) . "&limit=" . $limit . "&page=" . $page);
     exit();
     
 }

php/model/Comment.php

@@ -1,115 +0,0 @@
-<?php
-
-/**
- * Repräsentiert einen Kommentar unter einem Beitrag.
- *
- * Ein Kommentar kann entweder ein Hauptkommentar sein
- * oder eine Antwort auf einen anderen Kommentar.
- *
- * @author Caroline Schulte
- */
-class Comment
-{
-    private int $id;
-    private int $articleId;
-    private ?int $parentCommentId;
-    private string $author;
-    private string $content;
-    private string $created;
-
-    /**
-     * Erstellt einen neuen Kommentar.
-     *
-     * @param int $id Eindeutige ID des Kommentars
-     * @param int $articleId ID des zugehörigen Beitrags
-     * @param int|null $parentCommentId ID des Eltern-Kommentars oder null
-     * @param string $author Autor des Kommentars
-     * @param string $content Inhalt des Kommentars
-     * @param string $created Erstellungsdatum des Kommentars
-     */
-    public function __construct(
-        int $id,
-        int $articleId,
-        ?int $parentCommentId,
-        string $author,
-        string $content,
-        string $created
-    ) {
-        $this->id = $id;
-        $this->articleId = $articleId;
-        $this->parentCommentId = $parentCommentId;
-        $this->author = $author;
-        $this->content = $content;
-        $this->created = $created;
-    }
-
-    /**
-     * Gibt die ID des Kommentars zurück.
-     *
-     * @return int Kommentar-ID
-     */
-    public function getId(): int
-    {
-        return $this->id;
-    }
-
-    /**
-     * Gibt die ID des zugehörigen Beitrags zurück.
-     *
-     * @return int Beitrags-ID
-     */
-    public function getArticleId(): int
-    {
-        return $this->articleId;
-    }
-
-    /**
-     * Gibt die ID des Eltern-Kommentars zurück.
-     *
-     * @return int|null ID des Eltern-Kommentars oder null
-     */
-    public function getParentCommentId(): ?int
-    {
-        return $this->parentCommentId;
-    }
-
-    /**
-     * Gibt zurück, ob der Kommentar eine Antwort ist.
-     *
-     * @return bool true wenn der Kommentar eine Antwort ist, sonst false
-     */
-    public function isReply(): bool
-    {
-        return $this->parentCommentId !== null && $this->parentCommentId !== 0;
-    }
-
-    /**
-     * Gibt den Autor des Kommentars zurück.
-     *
-     * @return string Autor
-     */
-    public function getAuthor(): string
-    {
-        return $this->author;
-    }
-
-    /**
-     * Gibt den Inhalt des Kommentars zurück.
-     *
-     * @return string Kommentarinhalt
-     */
-    public function getContent(): string
-    {
-        return $this->content;
-    }
-
-    /**
-     * Gibt das Erstellungsdatum des Kommentars zurück.
-     *
-     * @return string Erstellungsdatum
-     */
-    public function getCreated(): string
-    {
-        return $this->created;
-    }
-}

php/model/CommentManager.php

@@ -1,25 +0,0 @@
-<?php
-
-require_once "DatabaseCommentManager.php";
-
-/**
- * Zentrale Zugriffsschicht für Kommentare.
- *
- * Die Anwendung arbeitet ausschließlich
- * mit dem CommentManager und kennt die
- * konkrete Speicherimplementierung nicht.
- *
- * @author Caroline Schulte
- */
-class CommentManager
-{
-    /**
-     * Gibt die aktive Kommentarverwaltung zurück.
-     *
-     * @return CommentManagerDAO
-     */
-    public static function getInstance()
-    {
-        return DatabaseCommentManager::getInstance();
-    }
-}

php/model/CommentManagerDAO.php

@@ -1,54 +0,0 @@
-<?php
-
-require_once "Comment.php";
-
-/**
- * Schnittstelle für die Verwaltung von Kommentaren.
- *
- * Definiert die grundlegenden Methoden zum
- * Speichern und Laden von Kommentaren.
- *
- * @author Caroline Schulte
- */
-interface CommentManagerDAO
-{
-    /**
-     * Speichert einen neuen Kommentar zu einem Beitrag.
-     *
-     * Optional kann eine parentCommentId übergeben werden,
-     * wenn der Kommentar eine Antwort auf einen anderen Kommentar ist.
-     *
-     * @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
-    );
-
-    /**
-     * Gibt alle Kommentare eines Beitrags zurück.
-     *
-     * @param int $articleId ID des Beitrags
-     *
-     * @return Comment[] Liste der Kommentare
-     */
-    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

@@ -1,257 +0,0 @@
-<?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
-{
-    private static $instance = null;
-
-    /**
-     * Erstellt die Kommentartabelle, falls diese noch nicht existiert.
-     */
-    public function __construct()
-    {
-        try {
-            $db = $this->getConnection();
-
-            $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
-                );
-            ");
-
-            $columns = $db->query("PRAGMA table_info(comments);")->fetchAll(PDO::FETCH_ASSOC);
-            $hasParentColumn = false;
-
-            foreach ($columns as $column) {
-                if ($column["name"] === "parent_comment_id") {
-                    $hasParentColumn = true;
-                    break;
-                }
-            }
-
-            if (!$hasParentColumn) {
-                $db->exec("ALTER TABLE comments ADD COLUMN parent_comment_id INTEGER NULL;");
-            }
-
-        } catch (PDOException $e) {
-            throw new RuntimeException("internal_error");
-        }
-    }
-
-    /**
-     * Baut die Verbindung zur SQLite-Datenbank auf.
-     *
-     * @return PDO Datenbankverbindung
-     */
-    private function getConnection()
-    {
-        try {
-            $dsn = 'sqlite:' . __DIR__ . '/../../db/comments.db';
-
-            $db = new PDO($dsn, null, null);
-            $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
-
-            return $db;
-
-        } catch (PDOException $e) {
-            throw new RuntimeException("internal_error");
-        }
-    }
-
-    /**
-     * Gibt die Singleton-Instanz zurück.
-     *
-     * @return DatabaseCommentManager
-     */
-    public static function getInstance()
-    {
-        if (self::$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("internal_error");
-        }
-    }
-
-    /**
-     * 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]);
-
-            return $this->mapRowsToComments($command);
-
-        } catch (PDOException $e) {
-            throw new RuntimeException("internal_error");
-        }
-    }
-
-    /**
-     * Lädt alle Kommentare eines Autors.
-     *
-     * @param string $author E-Mail-Adresse des Autors
-     *
-     * @return Comment[]
-     */
-    public function getCommentsByAuthor($author)
-    {
-        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
-            ";
-
-            $command = $db->prepare($sql);
-            $command->execute([":author" => $author]);
-
-            return $this->mapRowsToComments($command);
-
-        } catch (PDOException $e) {
-            throw new RuntimeException("internal_error");
-        }
-    }
-
-    /**
-     * Wandelt Datenbankzeilen in Comment-Objekte um.
-     *
-     * @param PDOStatement $command Ausgeführtes Statement
-     *
-     * @return Comment[]
-     */
-    private function mapRowsToComments($command)
-    {
-        $comments = [];
-
-        while ($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;
-    }
-}