updater sorter.js fuer client seite

Reviewed-on: #32

.idea/dataSources.local.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="dataSourceStorageLocal" created-in="IU-261.25134.95">
+  <component name="dataSourceStorageLocal" created-in="IU-261.24374.151">
     <data-source name="articles" uuid="315cb5c9-2b0f-435b-b602-59823b160908">
       <database-info product="SQLite" version="3.51.1" jdbc-version="4.2" driver-name="SQLite JDBC" driver-version="3.51.1.0" dbms="SQLITE" exact-version="3.51.1" exact-driver-version="3.51">
         <identifier-quote-string>&quot;</identifier-quote-string>

content/createArticle.php

@@ -31,45 +31,211 @@ if (!isset($_SESSION["user"])) {
         <div class="sidebar-block">
             <label for="category">Kategorie <span class="required">*</span></label>
             <select id="category" name="category" required>
-                <option value="" disabled selected>Kategorie wählen...</option>
+                <option disabled <?php
+                if ((!isset($_SESSION['old_category']) || empty($_SESSION['old_category'])) && (!isset($category) || empty($category))) {
+                    echo 'selected';
+                }
+                ?>>Kategorie wählen...</option>
 
                 <optgroup label="Sprachen">
-                    <option value="deutsch">Deutsch</option>
+                    <option value="deutsch" <?php
-                    <option value="englisch">Englisch</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="franzoesisch">Französisch</option>
+                        if ($_SESSION['old_category'] === 'deutsch') { echo 'selected'; }
-                    <option value="latein">Latein</option>
+                    } elseif (isset($category) && !empty($category)) {
-                    <option value="literatur">Literatur</option>
+                        if ($category === 'deutsch') { echo 'selected'; }
+                    }
+                    ?>>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">Mathematik</option>
+                    <option value="mathe" <?php
-                    <option value="biologie">Biologie</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="chemie">Chemie</option>
+                        if ($_SESSION['old_category'] === 'mathe') { echo 'selected'; }
-                    <option value="physik">Physik</option>
+                    } elseif (isset($category) && !empty($category)) {
-                    <option value="informatik">Informatik</option>
+                        if ($category === 'mathe') { echo 'selected'; }
-                    <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">Geschichte</option>
+                    <option value="geschichte" <?php
-                    <option value="erdkunde">Erdkunde</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="sozialkunde">Sozialkunde</option>
+                        if ($_SESSION['old_category'] === 'geschichte') { echo 'selected'; }
-                    <option value="wirtschaft">Wirtschaftskunde</option>
+                    } elseif (isset($category) && !empty($category)) {
-                    <option value="religion">Religion</option>
+                        if ($category === 'geschichte') { echo 'selected'; }
-                    <option value="ethik">Ethikunterricht</option>
+                    }
-                    <option value="philosophie">Philosophie</option>
+                    ?>>Geschichte</option>
-                    <option value="psychologie">Psychologie</option>
+                    <option value="erdkunde" <?php
-                    <option value="kunst">Kunst</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="musik">Musik</option>
+                        if ($_SESSION['old_category'] === 'erdkunde') { echo 'selected'; }
-                    <option value="theater">Theater</option>
+                    } elseif (isset($category) && !empty($category)) {
+                        if ($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">Technik</option>
+                    <option value="technik" <?php
-                    <option value="werken">Werken</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="hauswirtschaft">Hauswirtschaft</option>
+                        if ($_SESSION['old_category'] === 'technik') { echo 'selected'; }
-                    <option value="sport">Sport</option>
+                    } elseif (isset($category) && !empty($category)) {
+                        if ($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/search-results.php

@@ -3,18 +3,37 @@ if (session_status() === PHP_SESSION_NONE) {
     session_start();
 }
 
-$results = $_SESSION["search_results"] ?? [];
+$all_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
@@ -25,8 +44,9 @@ $resultCount = count($results);
     <!-- Links: Seitenleiste für Filter und Suche -->
     <aside class="s-res-sidebar">
 
-        <!-- Sortierfuntion Box und Such Box-->
+        <form action="php/controller/search-results-controller.php" method="GET" id="search-form-id" class="s-res-sidebar-form">
-         <form id="search-form-id" action="php/controller/search-results-controller.php" method="GET" class="s-res-sidebar-form">
+            
+            <input type="hidden" id="s-res-page-input" name="page" value="<?php echo $_GET['page'] ?? 1; ?>">
 
             <div class="s-res-sidebar-box">
                 <h3 class="s-res-sidebar-title">Suche anpassen</h3>
@@ -39,20 +59,15 @@ $resultCount = count($results);
                 <?php $currentSort = $_SESSION['search_sort'] ?? 'alphabet'; ?>
                 <div class="s-res-filter-group">
                     <label class="s-res-filter-option">
-                        <input type="radio" name="sort" value="alphabet" <?php echo $currentSort === 'alphabet' ? 'checked' : ''; ?> onchange="this.form.submit()">
+                        <input type="radio" name="sort" value="alphabet" class="sort-radio" <?php echo $currentSort === 'alphabet' ? 'checked' : ''; ?>>
                         <span>Alphabetisch</span>
                     </label>
-                    <!-- Noch disabled, da likes noch nicht implementiert-->
                     <label class="s-res-filter-option">
-                        <input type="radio" name="sort" value="likes" <?php echo $currentSort === 'likes' ? 'checked' : ''; ?> disabled>
+                        <input type="radio" name="sort" value="newest" class="sort-radio" <?php echo $currentSort === 'newest' ? 'checked' : ''; ?>>
-                        <span style="color: #94a3b8;">Beliebtheit (Likes)</span>
-                    </label>
-                    <label class="s-res-filter-option">
-                        <input type="radio" name="sort" value="newest" <?php echo $currentSort === 'newest' ? 'checked' : ''; ?> onchange="this.form.submit()">
                         <span>Neueste Beiträge</span>
                     </label>
                     <label class="s-res-filter-option">
-                        <input type="radio" name="sort" value="oldest" <?php echo $currentSort === 'oldest' ? 'checked' : ''; ?> onchange="this.form.submit()">
+                        <input type="radio" name="sort" value="oldest" class="sort-radio" <?php echo $currentSort === 'oldest' ? 'checked' : ''; ?>>
                         <span>Älteste Beiträge</span>
                     </label>
                 </div>
@@ -66,7 +81,7 @@ $resultCount = count($results);
 
         <div class="s-res-header">
             <h1 class="s-res-main-title">Suchergebnisse</h1>
-            <p class="s-res-meta"><?php echo $resultCount; ?> Treffer für Ihre Suchanfrage "<?php echo htmlspecialchars($query); ?>"</p>
+            <p class="s-res-meta"><?php echo $totalResultsCount; ?> Treffer für Ihre Suchanfrage "<?php echo htmlspecialchars($query); ?>"</p>
         </div>
 
         <!-- Ergebnisliste -->
@@ -115,9 +130,20 @@ $resultCount = count($results);
             </div>
 
             <div class="s-res-page-navigation">
-                <button type="button" class="s-res-page-btn" disabled>&laquo;</button>
+                <button type="button" class="s-res-page-btn" data-page="<?php echo $currentPage - 1; ?>" <?php echo $currentPage <= 1 ? 'disabled' : ''; ?>>
-                <button type="button" class="s-res-page-btn s-res-page-btn-active">1</button>
+                    «
-                <button type="button" class="s-res-page-btn">&raquo;</button>
+                </button>
+                <!-- Dynamische Seitenzahlen -->
+                <?php for ($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/updateArticle.php

@@ -40,45 +40,211 @@ include_once 'php/controller/showArticle-controller.php';
         <div class="sidebar-block">
             <label for="category">Kategorie <span class="required">*</span></label>
             <select id="category" name="category" required>
-                <option disabled selected>Kategorie wählen...</option>
+                <option disabled <?php
+                if ((!isset($_SESSION['old_category']) || empty($_SESSION['old_category'])) && (!isset($category) || empty($category))) {
+                    echo 'selected';
+                }
+                ?>>Kategorie wählen...</option>
 
                 <optgroup label="Sprachen">
-                    <option value="deutsch">Deutsch</option>
+                    <option value="deutsch" <?php
-                    <option value="englisch">Englisch</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="franzoesisch">Französisch</option>
+                        if ($_SESSION['old_category'] === 'deutsch') { echo 'selected'; }
-                    <option value="latein">Latein</option>
+                    } elseif (isset($category) && !empty($category)) {
-                    <option value="literatur">Literatur</option>
+                        if ($category === 'deutsch') { echo 'selected'; }
+                    }
+                    ?>>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">Mathematik</option>
+                    <option value="mathe" <?php
-                    <option value="biologie">Biologie</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="chemie">Chemie</option>
+                        if ($_SESSION['old_category'] === 'mathe') { echo 'selected'; }
-                    <option value="physik">Physik</option>
+                    } elseif (isset($category) && !empty($category)) {
-                    <option value="informatik">Informatik</option>
+                        if ($category === 'mathe') { echo 'selected'; }
-                    <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">Geschichte</option>
+                    <option value="geschichte" <?php
-                    <option value="erdkunde">Erdkunde</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="sozialkunde">Sozialkunde</option>
+                        if ($_SESSION['old_category'] === 'geschichte') { echo 'selected'; }
-                    <option value="wirtschaft">Wirtschaftskunde</option>
+                    } elseif (isset($category) && !empty($category)) {
-                    <option value="religion">Religion</option>
+                        if ($category === 'geschichte') { echo 'selected'; }
-                    <option value="ethik">Ethikunterricht</option>
+                    }
-                    <option value="philosophie">Philosophie</option>
+                    ?>>Geschichte</option>
-                    <option value="psychologie">Psychologie</option>
+                    <option value="erdkunde" <?php
-                    <option value="kunst">Kunst</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="musik">Musik</option>
+                        if ($_SESSION['old_category'] === 'erdkunde') { echo 'selected'; }
-                    <option value="theater">Theater</option>
+                    } elseif (isset($category) && !empty($category)) {
+                        if ($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">Technik</option>
+                    <option value="technik" <?php
-                    <option value="werken">Werken</option>
+                    if (isset($_SESSION['old_category']) && !empty($_SESSION['old_category'])) {
-                    <option value="hauswirtschaft">Hauswirtschaft</option>
+                        if ($_SESSION['old_category'] === 'technik') { echo 'selected'; }
-                    <option value="sport">Sport</option>
+                    } elseif (isset($category) && !empty($category)) {
+                        if ($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>
 

index.php

@@ -42,6 +42,7 @@ if ($pfad === "deleteAccount") {
         <meta name="author" content="Niklas Ortmann">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <link rel="icon" type="image/x-icon" href="images/logos/logo_icon.ico">
+
         <link rel="stylesheet" href="css/main.css">
         <link rel="stylesheet" href="css/navbar.css">
         <link rel="stylesheet" href="css/footer.css">
@@ -50,6 +51,10 @@ if ($pfad === "deleteAccount") {
         <link rel="stylesheet" href="css/profile.css">
         <link rel="stylesheet" href="css/showArticle.css">
         <link rel="stylesheet" href="css/message.css">
+
+        <script src="js/paginator.js" async></script>
+        <script src="js/sorter.js" async></script>
+
         <title>EduForge</title>
     </head>
 

js/paginator.js

@@ -0,0 +1,27 @@
+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();
+}

js/sorter.js

@@ -0,0 +1,45 @@
+
+function initClientSorter() {
+    const listContainer = document.querySelector('.s-res-list');
+    const sortRadios = document.querySelectorAll('.sort-radio');
+
+    // wenn keine liste vorhanden, abbrechen
+    if (!listContainer || sortRadios.length === 0) return;
+
+    sortRadios.forEach(radio => {
+        radio.addEventListener('change', function() {
+            const cards = Array.from(listContainer.querySelectorAll('.s-res-item'));
+            const sortValue = this.value;
+
+            cards.sort((a, b) => {
+                if (sortValue === 'alphabet') {
+                    // alphabetische sortierung
+                    const titleA = a.querySelector('.s-res-link').textContent.trim().toLowerCase();
+                    const titleB = b.querySelector('.s-res-link').textContent.trim().toLowerCase();
+                    return titleA.localeCompare(titleB);
+                } 
+                else if (sortValue === 'newest' || sortValue === 'oldest') {
+                    // hoehere ID wird als neuer gesehen
+                    const urlA = a.querySelector('.s-res-link').getAttribute('href');
+                    const urlB = b.querySelector('.s-res-link').getAttribute('href');
+                    
+                    const idA = parseInt(urlA.match(/id=(\d+)/)[1], 10);
+                    const idB = parseInt(urlB.match(/id=(\d+)/)[1], 10);
+
+                    return sortValue === 'newest' ? idB - idA : idA - idB;
+                }
+                return 0;
+            });
+
+            listContainer.innerHTML = '';
+            cards.forEach(card => listContainer.appendChild(card));
+        });
+    });
+}
+
+// ist das DOM bereits vollständig aufgebaut?
+if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', initClientSorter);
+} else {
+    initClientSorter();
+}

php/controller/search-results-controller.php

@@ -62,7 +62,11 @@ 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();
     
 }