Fix SearXNG fallback and crop sliders

backend/services/cse.go

@@ -78,6 +78,7 @@ func (s *SearchService) SearchMedia(queries []string) ([]SearchResult, error) {
 
 	seen := map[string]bool{}
 	results := make([]SearchResult, 0, 60)
+	var lastErr error
 	for _, query := range queries {
 		query = strings.TrimSpace(query)
 		if query == "" {
@@ -91,6 +92,17 @@ func (s *SearchService) SearchMedia(queries []string) ([]SearchResult, error) {
 
 			items, err := s.search(searchQuery, source.categories, source.engine, source.name)
 			if err != nil {
+				lastErr = err
+				items, err = s.search(searchQuery, source.categories, "", source.name)
+			}
+			if err != nil {
+				lastErr = err
+				if source.categories != "general" {
+					items, err = s.search(searchQuery, "general", "", source.name)
+				}
+			}
+			if err != nil {
+				lastErr = err
 				continue
 			}
 			for _, item := range items {
@@ -109,6 +121,9 @@ func (s *SearchService) SearchMedia(queries []string) ([]SearchResult, error) {
 	sort.SliceStable(results, func(i, j int) bool {
 		return sourceWeight(results[i].Source) > sourceWeight(results[j].Source)
 	})
+	if len(results) == 0 && lastErr != nil {
+		return nil, lastErr
+	}
 	return results, nil
 }
 
@@ -133,7 +148,7 @@ func (s *SearchService) search(query, categories, engine, source string) ([]Sear
 	defer resp.Body.Close()
 
 	if resp.StatusCode >= 300 {
-		return nil, fmt.Errorf("searxng returned status %d", resp.StatusCode)
+		return nil, fmt.Errorf("searxng returned status %d for query %q", resp.StatusCode, query)
 	}
 
 	var payload struct {