fix media organize and subscription workflows

internal/service/organize_pipeline_test.go

@@ -7,6 +7,8 @@ import (
 	"testing"
 
 	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
 )
 
 func TestOrganizeScanRootUsesActualOrganizedTarget(t *testing.T) {
@@ -85,3 +87,44 @@ func TestOrganizePipelineFailsWhenEveryOrganizeItemErrors(t *testing.T) {
 		t.Fatalf("task details = %#v, want transfer error detail", task.Details)
 	}
 }
+
+func TestOrganizePipelinePrefersCurrentMediaLibraryAfterMediaOrganize(t *testing.T) {
+	repos := newOrganizerTestRepo(t)
+	sourceLib := model.Library{Name: "待整理", Path: filepath.Join(t.TempDir(), "incoming"), Type: "tv", Enabled: true}
+	targetLib := model.Library{Name: "国产剧", Path: filepath.Join(t.TempDir(), "media", "电视剧", "国产剧"), Type: "tv", Enabled: true}
+	if err := repos.Library.Create(t.Context(), &sourceLib); err != nil {
+		t.Fatal(err)
+	}
+	if err := repos.Library.Create(t.Context(), &targetLib); err != nil {
+		t.Fatal(err)
+	}
+	media := model.Media{
+		LibraryID:    targetLib.ID,
+		Title:        "南部档案",
+		Path:         filepath.Join(targetLib.Path, "南部档案", "Season 01", "南部档案 - S01E01.mkv"),
+		SeasonNum:    1,
+		EpisodeNum:   1,
+		ScrapeStatus: "matched",
+	}
+	if err := repos.Media.Upsert(t.Context(), &media); err != nil {
+		t.Fatal(err)
+	}
+
+	pipeline := NewOrganizePipelineService(zap.NewNop(), repos, nil, nil, nil)
+	got := pipeline.scanPreferredLibraryID(t.Context(), OrganizePipelineRequest{
+		Scope:   OrganizeScopeMedia,
+		MediaID: media.ID,
+	})
+	if got != targetLib.ID {
+		t.Fatalf("preferred library = %q, want current media library %q", got, targetLib.ID)
+	}
+
+	got = pipeline.scanPreferredLibraryID(t.Context(), OrganizePipelineRequest{
+		Scope:              OrganizeScopeMedia,
+		MediaID:            media.ID,
+		PreferredLibraryID: sourceLib.ID,
+	})
+	if got != sourceLib.ID {
+		t.Fatalf("explicit preferred library = %q, want %q", got, sourceLib.ID)
+	}
+}