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feat: invalidate top-picks on watchlist changes

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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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39
internal/watchlist/service.go
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@@ -12,24 +12,29 @@ import (
)
type watchlistService struct {
repo domain.WatchlistRepository
jikan *jikan.Client
repo domain.WatchlistRepository
jikan *jikan.Client
invalidator domain.RecommendationInvalidator
}
func NewWatchlistService(repo domain.WatchlistRepository, jikan *jikan.Client) domain.WatchlistService {
return &watchlistService{repo: repo, jikan: jikan}
func NewWatchlistService(repo domain.WatchlistRepository, jikan *jikan.Client, invalidator domain.RecommendationInvalidator) domain.WatchlistService {
return &watchlistService{repo: repo, jikan: jikan, invalidator: invalidator}
}
func (s *watchlistService) UpdateEntry(ctx context.Context, userID string, animeID int64, status string) error {
anime, fetchErr := s.jikan.GetAnimeByID(ctx, int(animeID))
var anime jikan.Anime
var fetchErr error
if s.jikan != nil {
anime, fetchErr = s.jikan.GetAnimeByID(ctx, int(animeID))
}
if fetchErr != nil {
// still allow status updates for already-known anime rows
anime = jikan.Anime{}
}
return s.repo.InTx(ctx, func(txCtx context.Context, repo domain.WatchlistRepository) error {
if err := s.repo.InTx(ctx, func(txCtx context.Context, repo domain.WatchlistRepository) error {
_, err := repo.GetAnime(txCtx, animeID)
if err != nil && fetchErr == nil {
if err != nil && fetchErr == nil && anime.MalID > 0 {
durationSeconds := anime.DurationSeconds()
duration := sql.NullFloat64{Valid: durationSeconds > 0}
if duration.Valid {
@@ -65,14 +70,28 @@ func (s *watchlistService) UpdateEntry(ctx context.Context, userID string, anime
CurrentTimeSeconds: existing.CurrentTimeSeconds,
})
return err
})
}); err != nil {
return err
}
s.invalidateTopPicks(userID)
return nil
}
func (s *watchlistService) RemoveEntry(ctx context.Context, userID string, animeID int64) error {
return s.repo.DeleteWatchListEntry(ctx, db.DeleteWatchListEntryParams{
if err := s.repo.DeleteWatchListEntry(ctx, db.DeleteWatchListEntryParams{
UserID: userID,
AnimeID: animeID,
})
}); err != nil {
return err
}
s.invalidateTopPicks(userID)
return nil
}
func (s *watchlistService) invalidateTopPicks(userID string) {
if s.invalidator != nil {
s.invalidator.InvalidateTopPicksForUser(userID)
}
}
func (s *watchlistService) GetWatchlist(ctx context.Context, userID string) ([]domain.UserWatchListRow, error) {