feat: complete package 2 delete flows and package 3 port management

app/modules/floors/delete.php

@@ -25,6 +25,47 @@ if (!$exists) {
     exit;
 }
 
+$forceDelete = (int)($_POST['force'] ?? $_GET['force'] ?? 0) === 1;
+$dependencyCounts = $sql->single(
+    "SELECT
+        (SELECT COUNT(*) FROM rooms WHERE floor_id = ?) AS room_count,
+        (SELECT COUNT(*) FROM racks WHERE floor_id = ?) AS rack_count,
+        (SELECT COUNT(*) FROM floor_patchpanels WHERE floor_id = ?) AS patchpanel_count",
+    "iii",
+    [$id, $id, $id]
+);
+
+$roomCount = (int)($dependencyCounts['room_count'] ?? 0);
+$rackCount = (int)($dependencyCounts['rack_count'] ?? 0);
+$patchpanelCount = (int)($dependencyCounts['patchpanel_count'] ?? 0);
+$hasDependencies = $roomCount > 0 || $rackCount > 0 || $patchpanelCount > 0;
+
+if ($hasDependencies && !$forceDelete) {
+    $parts = [];
+    if ($roomCount > 0) {
+        $parts[] = $roomCount . ' Raeume';
+    }
+    if ($rackCount > 0) {
+        $parts[] = $rackCount . ' Racks';
+    }
+    if ($patchpanelCount > 0) {
+        $parts[] = $patchpanelCount . ' Patchpanels';
+    }
+
+    http_response_code(409);
+    echo json_encode([
+        'success' => false,
+        'requires_force' => true,
+        'message' => 'Beim Loeschen werden abhaengige Daten entfernt (' . implode(', ', $parts) . '). Fortfahren?',
+        'dependencies' => [
+            'rooms' => $roomCount,
+            'racks' => $rackCount,
+            'patchpanels' => $patchpanelCount
+        ]
+    ]);
+    exit;
+}
+
 $rows = $sql->set("DELETE FROM floors WHERE id = ?", "i", [$id]);
 if ($rows === false) {
     http_response_code(500);
@@ -32,5 +73,13 @@ if ($rows === false) {
     exit;
 }
 
-echo json_encode(['success' => true, 'message' => 'Stockwerk geloescht']);
+echo json_encode([
+    'success' => true,
+    'message' => 'Stockwerk geloescht',
+    'dependencies' => [
+        'rooms' => $roomCount,
+        'racks' => $rackCount,
+        'patchpanels' => $patchpanelCount
+    ]
+]);