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feat: invalidate top-picks on watchlist changes

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This commit is contained in:
mkelvers
2026-06-27 15:43:56 +02:00
parent aaf9cf41f3
commit ae1b323732
2 changed files with 59 additions and 15 deletions
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35
internal/watchlist/service_test.go
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@@ -12,7 +12,7 @@ import (
func TestWatchlistServiceGetWatchlistMap(t *testing.T) {
repo := &fakeWatchlistRepository{watchlistAnimeIDs: []int64{1, 3}}
svc := NewWatchlistService(repo, nil)
svc := NewWatchlistService(repo, nil, nil)
got, err := svc.GetWatchlistMap(context.Background(), "user-1", []int64{1, 2, 3})
if err != nil {
@@ -28,7 +28,7 @@ func TestWatchlistServiceGetWatchlistMap(t *testing.T) {
func TestWatchlistServiceGetWatchlistMapSkipsEmptyInputs(t *testing.T) {
repo := &fakeWatchlistRepository{}
svc := NewWatchlistService(repo, nil)
svc := NewWatchlistService(repo, nil, nil)
got, err := svc.GetWatchlistMap(context.Background(), "", []int64{1})
if err != nil {
@@ -52,7 +52,7 @@ func TestWatchlistServiceGetWatchlistMapSkipsEmptyInputs(t *testing.T) {
func TestWatchlistServiceDeleteContinueWatchingClearsProgressInTransaction(t *testing.T) {
repo := &fakeWatchlistRepository{}
svc := NewWatchlistService(repo, nil)
svc := NewWatchlistService(repo, nil, nil)
if err := svc.DeleteContinueWatching(context.Background(), "user-1", 12); err != nil {
t.Fatalf("DeleteContinueWatching: %v", err)
@@ -76,7 +76,7 @@ func TestWatchlistServiceDeleteContinueWatchingClearsProgressInTransaction(t *te
func TestWatchlistServiceDeleteContinueWatchingStopsAfterDeleteError(t *testing.T) {
repo := &fakeWatchlistRepository{deleteContinueErr: errors.New("delete failed")}
svc := NewWatchlistService(repo, nil)
svc := NewWatchlistService(repo, nil, nil)
if err := svc.DeleteContinueWatching(context.Background(), "user-1", 12); err == nil || err.Error() != "delete failed" {
t.Fatalf("DeleteContinueWatching error = %v, want delete failed", err)
@@ -88,7 +88,8 @@ func TestWatchlistServiceDeleteContinueWatchingStopsAfterDeleteError(t *testing.
func TestWatchlistServiceRemoveEntry(t *testing.T) {
repo := &fakeWatchlistRepository{}
svc := NewWatchlistService(repo, nil)
invalidator := &fakeRecommendationInvalidator{}
svc := NewWatchlistService(repo, nil, invalidator)
if err := svc.RemoveEntry(context.Background(), "user-1", 9); err != nil {
t.Fatalf("RemoveEntry: %v", err)
@@ -96,6 +97,22 @@ func TestWatchlistServiceRemoveEntry(t *testing.T) {
if repo.deletedWatchlist.UserID != "user-1" || repo.deletedWatchlist.AnimeID != 9 {
t.Fatalf("delete params = %#v", repo.deletedWatchlist)
}
if invalidator.userID != "user-1" {
t.Fatalf("invalidated user = %q, want user-1", invalidator.userID)
}
}
func TestWatchlistServiceUpdateEntryInvalidatesRecommendations(t *testing.T) {
repo := &fakeWatchlistRepository{}
invalidator := &fakeRecommendationInvalidator{}
svc := NewWatchlistService(repo, nil, invalidator)
if err := svc.UpdateEntry(context.Background(), "user-1", 9, "watching"); err != nil {
t.Fatalf("UpdateEntry: %v", err)
}
if invalidator.userID != "user-1" {
t.Fatalf("invalidated user = %q, want user-1", invalidator.userID)
}
}
type fakeWatchlistRepository struct {
@@ -110,6 +127,14 @@ type fakeWatchlistRepository struct {
deletedWatchlist db.DeleteWatchListEntryParams
}
type fakeRecommendationInvalidator struct {
userID string
}
func (i *fakeRecommendationInvalidator) InvalidateTopPicksForUser(userID string) {
i.userID = userID
}
func (r *fakeWatchlistRepository) InTx(ctx context.Context, fn func(context.Context, domain.WatchlistRepository) error) error {
r.inTxCalled = true
return fn(ctx, r)