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refactor(anime): eliminate passthrough service layer

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mkelvers
2026-04-20 01:42:08 +02:00
parent 5ddfc72f37
commit fab0b8a6fa
2 changed files with 72 additions and 160 deletions
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101
internal/features/anime/handler.go
View File

@@ -28,7 +28,8 @@ func deduplicateAnimes(animes []jikan.Anime) []jikan.Anime {
}
type Handler struct {
svc *Service
jikanClient *jikan.Client
db database.Querier
}
type quickSearchResult struct {
@@ -66,8 +67,8 @@ func userIDFromRequest(r *http.Request) string {
return user.ID
}
func NewHandler(svc *Service) *Handler {
return &Handler{svc: svc}
func NewHandler(jikanClient *jikan.Client, db database.Querier) *Handler {
return &Handler{jikanClient: jikanClient, db: db}
}
func (h *Handler) HandleCatalog(w http.ResponseWriter, r *http.Request) {
@@ -88,7 +89,7 @@ func (h *Handler) HandleSearch(w http.ResponseWriter, r *http.Request) {
}
if r.Header.Get("HX-Request") == "true" {
res, err := h.svc.Search(r.Context(), query, 1)
res, err := h.jikanClient.Search(r.Context(), query, 1)
if err != nil {
log.Printf("search error: %v", err)
if jikan.IsRetryableError(err) || errors.Is(err, context.Canceled) {
@@ -109,7 +110,7 @@ func (h *Handler) HandleAPISearch(w http.ResponseWriter, r *http.Request) {
query := r.URL.Query().Get("q")
page := parsePageParam(r)
res, err := h.svc.Search(r.Context(), query, page)
res, err := h.jikanClient.Search(r.Context(), query, page)
if err != nil {
log.Printf("search pagination error: %v", err)
if jikan.IsRetryableError(err) || errors.Is(err, context.Canceled) {
@@ -128,21 +129,20 @@ func (h *Handler) HandleAPISearch(w http.ResponseWriter, r *http.Request) {
func (h *Handler) HandleAPICatalog(w http.ResponseWriter, r *http.Request) {
page := parsePageParam(r)
res, fallbackPlaceholder, err := h.svc.GetTopAnimeWithPlaceholder(r.Context(), page)
if err != nil {
log.Printf("top anime error: %v", err)
http.Error(w, "Failed to fetch top anime", http.StatusInternalServerError)
result, err := h.jikanClient.GetTopAnime(r.Context(), page)
if err == nil {
result.Animes = deduplicateAnimes(result.Animes)
templates.CatalogItems(result.Animes, page+1, result.HasNextPage).Render(r.Context(), w)
return
}
if fallbackPlaceholder {
if jikan.IsRetryableError(err) {
templates.CatalogPlaceholderItems(25).Render(r.Context(), w)
return
}
res.Animes = deduplicateAnimes(res.Animes)
templates.CatalogItems(res.Animes, page+1, res.HasNextPage).Render(r.Context(), w)
log.Printf("top anime error: %v", err)
http.Error(w, "Failed to fetch top anime", http.StatusInternalServerError)
}
func (h *Handler) HandleAnimeDetails(w http.ResponseWriter, r *http.Request) {
@@ -155,15 +155,16 @@ func (h *Handler) HandleAnimeDetails(w http.ResponseWriter, r *http.Request) {
userID := userIDFromRequest(r)
anime, currentStatus, nextEpisode, err := h.svc.GetAnimeDetails(r.Context(), id, userID)
anime, err := h.jikanClient.GetAnimeByID(r.Context(), id)
if err != nil {
if errors.Is(err, ErrAnimePendingFetch) {
templates.AnimePending(id).Render(r.Context(), w)
if jikan.IsNotFoundError(err) {
renderNotFoundPage(r, w)
return
}
if jikan.IsNotFoundError(err) {
renderNotFoundPage(r, w)
h.jikanClient.EnqueueAnimeFetchRetry(r.Context(), id, err)
if jikan.IsRetryableError(err) {
templates.AnimePending(id).Render(r.Context(), w)
return
}
@@ -172,6 +173,24 @@ func (h *Handler) HandleAnimeDetails(w http.ResponseWriter, r *http.Request) {
return
}
currentStatus := ""
nextEpisode := 1
if userID != "" {
entry, err := h.db.GetWatchListEntry(r.Context(), database.GetWatchListEntryParams{
UserID: userID,
AnimeID: int64(id),
})
if err == nil {
currentStatus = entry.Status
if entry.CurrentEpisode.Valid {
value := int(entry.CurrentEpisode.Int64)
if value > 0 {
nextEpisode = value
}
}
}
}
templates.AnimeDetails(anime, currentStatus, nextEpisode).Render(r.Context(), w)
}
@@ -192,7 +211,7 @@ func (h *Handler) HandleAPIAnime(w http.ResponseWriter, r *http.Request) {
switch section {
case "relations":
relations, err := h.svc.GetRelations(r.Context(), id)
relations, err := h.jikanClient.GetFullRelations(r.Context(), id)
if err != nil {
if errors.Is(err, context.Canceled) || errors.Is(err, context.DeadlineExceeded) {
return
@@ -203,7 +222,7 @@ func (h *Handler) HandleAPIAnime(w http.ResponseWriter, r *http.Request) {
}
templates.AnimeRelationsList(relations).Render(r.Context(), w)
case "recommendations":
recs, err := h.svc.GetRecommendations(r.Context(), id, 12)
recs, err := h.jikanClient.GetRecommendations(r.Context(), id, 12)
if err != nil {
log.Printf("recommendations error for %d: %v", id, err)
writeInlineLoadError(w, "Failed to load recommendations.")
@@ -212,7 +231,7 @@ func (h *Handler) HandleAPIAnime(w http.ResponseWriter, r *http.Request) {
templates.AnimeRecommendations(recs).Render(r.Context(), w)
case "episodes":
currentEpisode := r.URL.Query().Get("current")
episodes, err := h.svc.GetEpisodes(r.Context(), id)
episodes, err := h.getEpisodes(r.Context(), id)
if err != nil {
log.Printf("episodes error for %d: %v", id, err)
writeInlineLoadError(w, "Failed to load episodes.")
@@ -235,9 +254,9 @@ func (h *Handler) HandleAPIEpisodes(w http.ResponseWriter, r *http.Request) {
}
currentEpisode := r.URL.Query().Get("current")
episodes, err := h.svc.GetEpisodes(r.Context(), id)
episodes, err := h.getEpisodes(r.Context(), id)
if err != nil {
log.Printf("episodes error for %d: %v", id, err)
log.Printf("episodes error: %v", err)
writeInlineLoadError(w, "Failed to load episodes.")
return
}
@@ -245,6 +264,30 @@ func (h *Handler) HandleAPIEpisodes(w http.ResponseWriter, r *http.Request) {
templates.EpisodeList(episodes, currentEpisode, id).Render(r.Context(), w)
}
func (h *Handler) getEpisodes(ctx context.Context, animeID int) ([]jikan.Episode, error) {
var allEpisodes []jikan.Episode
page := 1
for page <= 20 {
result, err := h.jikanClient.GetEpisodes(ctx, animeID, page)
if err != nil {
if jikan.IsRetryableError(err) && len(allEpisodes) > 0 {
return allEpisodes, nil
}
return nil, err
}
allEpisodes = append(allEpisodes, result.Data...)
if !result.Pagination.HasNextPage {
break
}
page++
}
return allEpisodes, nil
}
func (h *Handler) HandleQuickSearch(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
@@ -255,7 +298,7 @@ func (h *Handler) HandleQuickSearch(w http.ResponseWriter, r *http.Request) {
return
}
res, err := h.svc.QuickSearch(r.Context(), query, 1, 5)
res, err := h.jikanClient.SearchWithLimit(r.Context(), query, 1, 5)
if err != nil {
log.Printf("quick search error: %v", err)
if jikan.IsRetryableError(err) || errors.Is(err, context.Canceled) {
@@ -290,7 +333,7 @@ func (h *Handler) HandleDiscover(w http.ResponseWriter, r *http.Request) {
func (h *Handler) HandleAPIDiscoverAiring(w http.ResponseWriter, r *http.Request) {
page := parsePageParam(r)
res, err := h.svc.GetAiringAnime(r.Context(), page)
res, err := h.jikanClient.GetSeasonsNow(r.Context(), page)
if err != nil {
log.Printf("airing anime error: %v", err)
http.Error(w, "Failed to fetch airing anime", http.StatusInternalServerError)
@@ -305,7 +348,7 @@ func (h *Handler) HandleAPIDiscoverAiring(w http.ResponseWriter, r *http.Request
func (h *Handler) HandleAPIDiscoverUpcoming(w http.ResponseWriter, r *http.Request) {
page := parsePageParam(r)
res, err := h.svc.GetUpcomingAnime(r.Context(), page)
res, err := h.jikanClient.GetSeasonsUpcoming(r.Context(), page)
if err != nil {
log.Printf("upcoming anime error: %v", err)
http.Error(w, "Failed to fetch upcoming anime", http.StatusInternalServerError)
@@ -325,7 +368,7 @@ func (h *Handler) HandleStudioDetails(w http.ResponseWriter, r *http.Request) {
return
}
producer, err := h.svc.GetProducerByID(r.Context(), id)
producer, err := h.jikanClient.GetProducerByID(r.Context(), id)
if err != nil {
if jikan.IsNotFoundError(err) {
renderNotFoundPage(r, w)
@@ -337,7 +380,7 @@ func (h *Handler) HandleStudioDetails(w http.ResponseWriter, r *http.Request) {
return
}
result, err := h.svc.GetAnimeByProducer(r.Context(), id, 1)
result, err := h.jikanClient.GetAnimeByProducer(r.Context(), id, 1)
if err != nil {
log.Printf("studio anime fetch error for %d: %v", id, err)
if jikan.IsRetryableError(err) || errors.Is(err, context.Canceled) {
@@ -369,7 +412,7 @@ func (h *Handler) HandleAPIStudioAnime(w http.ResponseWriter, r *http.Request) {
page := parsePageParam(r)
result, err := h.svc.GetAnimeByProducer(r.Context(), id, page)
result, err := h.jikanClient.GetAnimeByProducer(r.Context(), id, page)
if err != nil {
log.Printf("studio anime pagination error for %d page %d: %v", id, page, err)
if jikan.IsRetryableError(err) || errors.Is(err, context.Canceled) {

131
internal/features/anime/service.go
View File

@@ -1,131 +0,0 @@
package anime
import (
"context"
"fmt"
"mal/internal/database"
"mal/internal/jikan"
)
type Service struct {
jikanClient *jikan.Client
db database.Querier
}
func NewService(jikanClient *jikan.Client, db database.Querier) *Service {
return &Service{
jikanClient: jikanClient,
db: db,
}
}
func (s *Service) Search(ctx context.Context, query string, page int) (jikan.SearchResult, error) {
return s.jikanClient.Search(ctx, query, page)
}
func (s *Service) QuickSearch(ctx context.Context, query string, page int, limit int) (jikan.SearchResult, error) {
return s.jikanClient.SearchWithLimit(ctx, query, page, limit)
}
func (s *Service) GetTopAnime(ctx context.Context, page int) (jikan.TopAnimeResult, error) {
return s.jikanClient.GetTopAnime(ctx, page)
}
func (s *Service) GetTopAnimeWithPlaceholder(ctx context.Context, page int) (jikan.TopAnimeResult, bool, error) {
result, err := s.jikanClient.GetTopAnime(ctx, page)
if err == nil {
return result, false, nil
}
if jikan.IsRetryableError(err) {
return jikan.TopAnimeResult{}, true, nil
}
return jikan.TopAnimeResult{}, false, err
}
func (s *Service) GetAiringAnime(ctx context.Context, page int) (jikan.TopAnimeResult, error) {
return s.jikanClient.GetSeasonsNow(ctx, page)
}
func (s *Service) GetUpcomingAnime(ctx context.Context, page int) (jikan.TopAnimeResult, error) {
return s.jikanClient.GetSeasonsUpcoming(ctx, page)
}
func (s *Service) GetAnimeDetails(ctx context.Context, id int, userID string) (jikan.Anime, string, int, error) {
anime, err := s.jikanClient.GetAnimeByID(ctx, id)
if err != nil {
if jikan.IsNotFoundError(err) {
return jikan.Anime{}, "", 1, err
}
s.jikanClient.EnqueueAnimeFetchRetry(ctx, id, err)
if jikan.IsRetryableError(err) {
return jikan.Anime{}, "", 1, ErrAnimePendingFetch
}
return jikan.Anime{}, "", 1, fmt.Errorf("failed to fetch anime details: %w", err)
}
currentStatus := ""
nextEpisode := 1
if userID != "" {
entry, err := s.db.GetWatchListEntry(ctx, database.GetWatchListEntryParams{
UserID: userID,
AnimeID: int64(id),
})
if err == nil {
currentStatus = entry.Status
if entry.CurrentEpisode.Valid {
value := int(entry.CurrentEpisode.Int64)
if value > 0 {
nextEpisode = value
}
}
}
}
return anime, currentStatus, nextEpisode, nil
}
func (s *Service) GetRelations(ctx context.Context, id int) ([]jikan.RelationEntry, error) {
return s.jikanClient.GetFullRelations(ctx, id)
}
func (s *Service) GetRecommendations(ctx context.Context, animeID int, limit int) ([]jikan.Anime, error) {
return s.jikanClient.GetRecommendations(ctx, animeID, limit)
}
func (s *Service) GetAnimeByProducer(ctx context.Context, producerID int, page int) (jikan.StudioAnimeResult, error) {
return s.jikanClient.GetAnimeByProducer(ctx, producerID, page)
}
func (s *Service) GetProducerByID(ctx context.Context, producerID int) (jikan.ProducerResponse, error) {
return s.jikanClient.GetProducerByID(ctx, producerID)
}
func (s *Service) GetEpisodes(ctx context.Context, animeID int) ([]jikan.Episode, error) {
var allEpisodes []jikan.Episode
page := 1
for page <= 20 {
result, err := s.jikanClient.GetEpisodes(ctx, animeID, page)
if err != nil {
if jikan.IsRetryableError(err) && len(allEpisodes) > 0 {
// Return what we have if we're getting rate limited
return allEpisodes, nil
}
return nil, err
}
allEpisodes = append(allEpisodes, result.Data...)
if !result.Pagination.HasNextPage {
break
}
page++
}
return allEpisodes, nil
}