From d6e6ca21fb3e307675d327f55a74fa80b4324044 Mon Sep 17 00:00:00 2001
From: Lars Gebhardt-Kusche <lars@kusche.berlin>
Date: Sat, 3 Jan 2026 01:54:11 +0100
Subject: [PATCH] asdsad

---
 src/App/Search.php | 76 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/src/App/Search.php b/src/App/Search.php
index 321ecac..2f310c5 100644
--- a/src/App/Search.php
+++ b/src/App/Search.php
@@ -135,12 +135,88 @@ final class Search
                     return false;
                 }));
             }
+            // Fallback: wenn keine Treffer, erneut ohne Token-Filter laden und nur fuzzy filtern
+            if (!$rows && $tokens) {
+                $wherePartsFallback = [
+                    "starts_at >= NOW()",
+                    "status != 'cancelled'",
+                ];
+                $bindFb = [];
+                $sqlFb = '';
+                if ($hasGeo) {
+                    $sqlFb = "SELECT id, title, teaser_public, description, city, region, zip, starts_at, visibility, allow_kids, location_label, lat, lng,
+                    (6371 * ACOS(LEAST(1,
+                      COS(RADIANS(?)) * COS(RADIANS(lat)) * COS(RADIANS(lng) - RADIANS(?)) +
+                      SIN(RADIANS(?)) * SIN(RADIANS(lat))
+                    ))) AS distance_km";
+                    $lat = (float)$geo['lat'];
+                    $lng = (float)$geo['lng'];
+                    $radius = isset($geo['radius']) && is_numeric($geo['radius']) ? max(0.1, (float)$geo['radius']) : 5.0;
+                    $latRange = $radius / 111.0;
+                    $lngRange = $radius / (111.0 * max(0.1, cos($lat * M_PI / 180)));
+                    $wherePartsFallback[] = "(lat IS NOT NULL AND lng IS NOT NULL)";
+                    $wherePartsFallback[] = "(lat BETWEEN ? AND ?)";
+                    $wherePartsFallback[] = "(lng BETWEEN ? AND ?)";
+                    $bindFb[] = $lat;
+                    $bindFb[] = $lng;
+                    $bindFb[] = $lat;
+                    $bindFb[] = $lat - $latRange;
+                    $bindFb[] = $lat + $latRange;
+                    $bindFb[] = $lng - $lngRange;
+                    $bindFb[] = $lng + $lngRange;
+                    $bindFb[] = $radius;
+                    $havingFb = true;
+                } else {
+                    $sqlFb = "SELECT id, title, teaser_public, description, city, region, zip, starts_at, visibility, allow_kids, location_label, lat, lng, 1 AS distance_km";
+                    $havingFb = false;
+                }
+                $whereFb = $wherePartsFallback ? ('WHERE ' . implode(' AND ', $wherePartsFallback)) : '';
+                $sqlFb .= " FROM events $whereFb";
+                if ($havingFb) {
+                    $sqlFb .= " HAVING distance_km <= ?";
+                    $sqlFb .= " ORDER BY distance_km ASC, starts_at ASC";
+                } else {
+                    $sqlFb .= " ORDER BY starts_at ASC";
+                }
+                $sqlFb .= " LIMIT {$limit}";
+                $stmtFb = $this->pdo->prepare($sqlFb);
+                $stmtFb->execute($bindFb);
+                $rowsFb = $stmtFb->fetchAll(\PDO::FETCH_ASSOC) ?: [];
+                if ($rowsFb) {
+                    $rows = array_values(array_filter($rowsFb, function ($row) use ($tokens) {
+                        $haystack = strtolower(
+                            ($row['title'] ?? '') . ' ' .
+                            ($row['teaser_public'] ?? '') . ' ' .
+                            ($row['description'] ?? '') . ' ' .
+                            ($row['city'] ?? '') . ' ' .
+                            ($row['region'] ?? '')
+                        );
+                        $words = preg_split('/[^a-z0-9äöüß]+/i', $haystack) ?: [];
+                        foreach ($tokens as $tok) {
+                            $t = strtolower($tok);
+                            if ($t === '') continue;
+                            if (str_contains($haystack, $t)) {
+                                return true;
+                            }
+                            foreach ($words as $w) {
+                                if ($w === '') continue;
+                                $dist = levenshtein($t, $w);
+                                if ($dist <= 1 || ($dist <= 2 && max(strlen($t), strlen($w)) > 4)) {
+                                    return true;
+                                }
+                            }
+                        }
+                        return false;
+                    }));
+                }
+            }
             if (defined('APP_ENV') && APP_ENV === 'staging') {
                 $logOk = [
                     'status' => 'ok',
                     'sql' => $sql,
                     'bind' => $bind,
                     'count' => count($rows),
+                    'fallback' => ($rows ? 'primary' : 'fallback'),
                 ];
                 @file_put_contents(__DIR__ . '/../../debug/search_debug.log', print_r($logOk, true));
             }