refactor: extract anime feature into its domain slice

internal/features/anime/handler.go

@@ -0,0 +1,126 @@
+package anime
+
+import (
+	"log"
+	"net/http"
+	"strconv"
+
+	"malago/internal/database"
+	"malago/internal/middleware"
+	"malago/internal/templates"
+)
+
+type Handler struct {
+	svc *Service
+}
+
+func NewHandler(svc *Service) *Handler {
+	return &Handler{svc: svc}
+}
+
+func (h *Handler) HandleCatalog(w http.ResponseWriter, r *http.Request) {
+	if r.URL.Path != "/" {
+		http.NotFound(w, r)
+		return
+	}
+	templates.Catalog().Render(r.Context(), w)
+}
+
+func (h *Handler) HandleSearch(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("q")
+	if query == "" {
+		templates.Search("").Render(r.Context(), w)
+		return
+	}
+
+	if r.Header.Get("HX-Request") == "true" {
+		res, err := h.svc.Search(query, 1)
+		if err != nil {
+			log.Printf("search error: %v", err)
+			http.Error(w, "Failed to search anime", http.StatusInternalServerError)
+			return
+		}
+		templates.SearchResultsWrapper(query, res.Animes, 2, res.HasNextPage).Render(r.Context(), w)
+		return
+	}
+
+	templates.Search(query).Render(r.Context(), w)
+}
+
+func (h *Handler) HandleAPISearch(w http.ResponseWriter, r *http.Request) {
+	query := r.URL.Query().Get("q")
+	pageStr := r.URL.Query().Get("page")
+	page, _ := strconv.Atoi(pageStr)
+	if page < 1 {
+		page = 1
+	}
+
+	res, err := h.svc.Search(query, page)
+	if err != nil {
+		log.Printf("search pagination error: %v", err)
+		http.Error(w, "Failed to fetch search page", http.StatusInternalServerError)
+		return
+	}
+
+	templates.SearchItems(query, res.Animes, page+1, res.HasNextPage).Render(r.Context(), w)
+}
+
+func (h *Handler) HandleAPICatalog(w http.ResponseWriter, r *http.Request) {
+	pageStr := r.URL.Query().Get("page")
+	page, _ := strconv.Atoi(pageStr)
+	if page < 1 {
+		page = 1
+	}
+
+	res, err := h.svc.GetTopAnime(page)
+	if err != nil {
+		log.Printf("top anime error: %v", err)
+		http.Error(w, "Failed to fetch top anime", http.StatusInternalServerError)
+		return
+	}
+
+	templates.CatalogItems(res.Animes, page+1, res.HasNextPage).Render(r.Context(), w)
+}
+
+func (h *Handler) HandleAnimeDetails(w http.ResponseWriter, r *http.Request) {
+	idStr := r.URL.Path[len("/anime/"):]
+	id, err := strconv.Atoi(idStr)
+	if err != nil || id <= 0 {
+		http.NotFound(w, r)
+		return
+	}
+
+	userID := ""
+	if user, ok := r.Context().Value(middleware.UserContextKey).(*database.User); ok && user != nil {
+		userID = user.ID
+	}
+
+	anime, currentStatus, err := h.svc.GetAnimeDetails(r.Context(), id, userID)
+	if err != nil {
+		log.Printf("anime fetch error for %d: %v", id, err)
+		http.Error(w, "Failed to fetch anime details", http.StatusInternalServerError)
+		return
+	}
+
+	templates.AnimeDetails(anime, currentStatus).Render(r.Context(), w)
+}
+
+func (h *Handler) HandleAPIAnimeRelations(w http.ResponseWriter, r *http.Request) {
+	path := r.URL.Path[len("/api/anime/"):]
+	idStr := ""
+	for i, c := range path {
+		if c == '/' {
+			idStr = path[:i]
+			break
+		}
+	}
+
+	id, _ := strconv.Atoi(idStr)
+	if id <= 0 {
+		http.Error(w, "invalid id", http.StatusBadRequest)
+		return
+	}
+
+	relations := h.svc.GetRelations(id)
+	templates.AnimeRelationsList(relations).Render(r.Context(), w)
+}

internal/features/anime/service.go

@@ -0,0 +1,53 @@
+package anime
+
+import (
+	"context"
+	"fmt"
+
+	"malago/internal/database"
+	"malago/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(query string, page int) (jikan.SearchResult, error) {
+	return s.jikanClient.Search(query, page)
+}
+
+func (s *Service) GetTopAnime(page int) (jikan.TopAnimeResult, error) {
+	return s.jikanClient.GetTopAnime(page)
+}
+
+func (s *Service) GetAnimeDetails(ctx context.Context, id int, userID string) (jikan.Anime, string, error) {
+	anime, err := s.jikanClient.GetAnimeByID(id)
+	if err != nil {
+		return jikan.Anime{}, "", fmt.Errorf("failed to fetch anime details: %w", err)
+	}
+
+	currentStatus := ""
+	if userID != "" {
+		entry, err := s.db.GetWatchListEntry(ctx, database.GetWatchListEntryParams{
+			UserID:  userID,
+			AnimeID: int64(id),
+		})
+		if err == nil {
+			currentStatus = entry.Status
+		}
+	}
+
+	return anime, currentStatus, nil
+}
+
+func (s *Service) GetRelations(id int) []jikan.RelationEntry {
+	return s.jikanClient.GetFullRelations(id)
+}