bug处理

internal/handler/series.go

@@ -89,7 +89,7 @@ func listLibrarySeriesHandler(svc *service.Container) gin.HandlerFunc {
 				writeInternalOrCanceled(c, err)
 				return
 			}
-			cards = service.SortSeriesCards(cards, sortSpec.Field, sortSpec.Order, history)
+			cards = sortRemoteSeriesCards(cards, sortSpec, history)
 			page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
 			size, _ := strconv.Atoi(c.DefaultQuery("page_size", "500"))
 			if page < 1 {

internal/handler/series_sort.go

@@ -0,0 +1,23 @@
+package handler
+
+import (
+	"slices"
+	"time"
+
+	"github.com/truewhile/MeBox/internal/service"
+)
+
+// sortRemoteSeriesCards keeps the DateLastContentAdded order returned by the
+// remote Emby server when LastAddedAt is not exposed in the Series DTO.
+func sortRemoteSeriesCards(cards []service.SeriesCard, spec service.MediaSortSpec, history map[string]time.Time) []service.SeriesCard {
+	if spec.Field != "updated_at" {
+		return service.SortSeriesCards(cards, spec.Field, spec.Order, history)
+	}
+
+	out := append([]service.SeriesCard(nil), cards...)
+	// RemoteSeriesCards always fetches DateLastContentAdded in descending order.
+	if spec.Order == "asc" {
+		slices.Reverse(out)
+	}
+	return service.SortSeriesCards(out, spec.Field, spec.Order, history)
+}

internal/handler/series_sort_test.go

@@ -0,0 +1,21 @@
+package handler
+
+import (
+	"testing"
+
+	"github.com/truewhile/MeBox/internal/service"
+)
+
+func TestSortRemoteSeriesCardsUpdatedAtUsesRemoteOrder(t *testing.T) {
+	cards := []service.SeriesCard{{Key: "newest"}, {Key: "middle"}, {Key: "oldest"}}
+
+	desc := sortRemoteSeriesCards(cards, service.MediaSortSpec{Field: "updated_at", Order: "desc"}, nil)
+	if desc[0].Key != "newest" || desc[1].Key != "middle" || desc[2].Key != "oldest" {
+		t.Fatalf("descending order = %q, %q, %q", desc[0].Key, desc[1].Key, desc[2].Key)
+	}
+
+	asc := sortRemoteSeriesCards(cards, service.MediaSortSpec{Field: "updated_at", Order: "asc"}, nil)
+	if asc[0].Key != "oldest" || asc[1].Key != "middle" || asc[2].Key != "newest" {
+		t.Fatalf("ascending order = %q, %q, %q", asc[0].Key, asc[1].Key, asc[2].Key)
+	}
+}