added back&forth buttons for dashboard + sorted CSV by category&user_id

html/dashboard.php

@@ -15,6 +15,19 @@ if (in_array($_SESSION['user_id'], $admin_ids, true)) {
     $is_admin = "true";
 }
 
+// Aktuelles Jahr und Monat ermitteln, ggf. aus GET-Parametern
+$year = isset($_GET['year']) ? (int)$_GET['year'] : (int)date('Y');
+$month = isset($_GET['month']) ? (int)$_GET['month'] : (int)date('m');
+
+// Monats- und Jahresgrenzen prüfen und anpassen
+if ($month < 1) {
+    $month = 12;
+    $year--;
+} elseif ($month > 12) {
+    $month = 1;
+    $year++;
+}
+
 // Daten abrufen
 $sql="WITH user_names AS (
     SELECT
@@ -41,14 +54,17 @@ JOIN user_names un ON e.id = un.id
 LEFT JOIN categories c ON e.category = c.category_id
 LEFT JOIN payment_methods pm ON e.payment_method = pm.payment_method_id
 WHERE
-EXTRACT(YEAR FROM e.date) = EXTRACT(YEAR FROM CURRENT_DATE())
+EXTRACT(YEAR FROM e.date) = :year
-AND EXTRACT(MONTH FROM e.date) = EXTRACT(MONTH FROM CURRENT_DATE())
+AND EXTRACT(MONTH FROM e.date) = :month
 ORDER BY
 e.date DESC, id desc;
 ";
 
 $stmt = $pdo->prepare($sql);
-$stmt->execute();
+$stmt->execute([
+    'year'  => $year,
+    'month' => $month
+]);
 $entries = $stmt->fetchAll();
 ?>
 <!DOCTYPE html>
@@ -71,9 +87,16 @@ $entries = $stmt->fetchAll();
 <li><a href="rep-person.php">Report Personen</a></li>
 <li><a href="menu5.php" style="display: none;">Menüpunkt 5</a></li>
 </ul>
+<!-- Container für die rechten Buttons -->
+<div class="nav-right">
+<a href="?year=<?= $year ?>&month=<?= $month - 1 ?>" class="nav-button"> &lt; </a>
+<a href="?year=<?= $year ?>&month=<?= $month + 1 ?>" class="nav-button"> &gt; </a>
 <a href="logout.php" class="logout">Logout</a>
+</div>
 </nav>
 
+<h2><?= strftime('%B %Y', mktime(0, 0, 0, $month, 1, $year)) ?></h2>
+
 <!-- Tabelle -->
 <table>
 <thead>

html/rep-month.php

@@ -73,7 +73,7 @@ WHERE
 EXTRACT(YEAR FROM e.date) = :year
 AND EXTRACT(MONTH FROM e.date) = :month
 ORDER BY
-e.date ASC
+e.user_id, e.category ASC
 ";
 
 $stmt_csv = $pdo->prepare($sql_csv);