refactor: extract watchlist feature to its own domain slice
This commit is contained in:
216
internal/features/watchlist/handler.go
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216
internal/features/watchlist/handler.go
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@@ -0,0 +1,216 @@
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package watchlist
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import (
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"encoding/json"
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"fmt"
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"log"
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"net/http"
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"strconv"
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"malago/internal/database"
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"malago/internal/middleware"
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"malago/internal/templates"
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)
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type Handler struct {
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svc *Service
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}
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func NewHandler(svc *Service) *Handler {
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return &Handler{svc: svc}
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}
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func (h *Handler) HandleUpdateWatchlist(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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user, ok := r.Context().Value(middleware.UserContextKey).(*database.User)
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if !ok || user == nil {
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w.Header().Set("HX-Redirect", "/login")
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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if err := r.ParseForm(); err != nil {
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http.Error(w, "invalid form", http.StatusBadRequest)
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return
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}
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animeIDStr := r.FormValue("anime_id")
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animeTitle := r.FormValue("anime_title")
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animeTitleEnglish := r.FormValue("anime_title_english")
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animeTitleJapanese := r.FormValue("anime_title_japanese")
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animeImage := r.FormValue("anime_image")
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status := r.FormValue("status")
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log.Printf("watchlist add: id=%s, title=%s", animeIDStr, animeTitle)
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animeID, err := strconv.ParseInt(animeIDStr, 10, 64)
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if err != nil {
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http.Error(w, "invalid anime ID", http.StatusBadRequest)
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return
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}
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req := AddRequest{
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AnimeID: animeID,
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TitleOriginal: animeTitle,
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TitleEnglish: animeTitleEnglish,
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TitleJapanese: animeTitleJapanese,
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ImageURL: animeImage,
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Status: status,
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}
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if err := h.svc.AddEntry(r.Context(), user.ID, req); err != nil {
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http.Error(w, fmt.Sprintf("failed to update watchlist: %v", err), http.StatusInternalServerError)
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return
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}
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templates.WatchlistDropdown(int(animeID), animeTitle, animeTitleEnglish, animeTitleJapanese, animeImage, status).Render(r.Context(), w)
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}
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func (h *Handler) HandleDeleteWatchlist(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodDelete {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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user, ok := r.Context().Value(middleware.UserContextKey).(*database.User)
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if !ok || user == nil {
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w.Header().Set("HX-Redirect", "/login")
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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path := r.URL.Path[len("/api/watchlist/"):]
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animeID, err := strconv.ParseInt(path, 10, 64)
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if err != nil {
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http.Error(w, "invalid anime ID", http.StatusBadRequest)
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return
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}
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anime, err := h.svc.RemoveEntry(r.Context(), user.ID, animeID)
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if err != nil {
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http.Error(w, fmt.Sprintf("failed to delete from watchlist: %v", err), http.StatusInternalServerError)
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return
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}
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if r.URL.Query().Get("from") == "watchlist" {
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w.WriteHeader(http.StatusOK)
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return
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}
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titleEnglish := ""
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if anime.TitleEnglish.Valid {
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titleEnglish = anime.TitleEnglish.String
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}
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titleJapanese := ""
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if anime.TitleJapanese.Valid {
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titleJapanese = anime.TitleJapanese.String
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}
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templates.WatchlistDropdown(int(animeID), anime.TitleOriginal, titleEnglish, titleJapanese, anime.ImageUrl, "").Render(r.Context(), w)
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}
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func (h *Handler) HandleGetWatchlist(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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layout := r.URL.Query().Get("view")
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if layout != "grid" && layout != "table" {
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layout = "table"
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}
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statusFilter := r.URL.Query().Get("status")
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user, ok := r.Context().Value(middleware.UserContextKey).(*database.User)
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if !ok || user == nil {
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http.Redirect(w, r, "/login", http.StatusFound)
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return
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}
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entries, err := h.svc.GetUserWatchlist(r.Context(), user.ID)
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if err != nil {
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http.Error(w, fmt.Sprintf("failed to fetch watchlist: %v", err), http.StatusInternalServerError)
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return
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}
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var filteredEntries []database.GetUserWatchListRow
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if statusFilter != "" && statusFilter != "all" {
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for _, entry := range entries {
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if entry.Status == statusFilter {
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filteredEntries = append(filteredEntries, entry)
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}
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}
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} else {
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statusFilter = "all"
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filteredEntries = entries
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}
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templates.Watchlist(filteredEntries, layout, statusFilter).Render(r.Context(), w)
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}
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func (h *Handler) HandleExportWatchlist(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodGet {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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user, ok := r.Context().Value(middleware.UserContextKey).(*database.User)
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if !ok || user == nil {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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export, err := h.svc.Export(r.Context(), user.ID)
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if err != nil {
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http.Error(w, fmt.Sprintf("failed to export: %v", err), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Content-Disposition", "attachment; filename=malago-watchlist.json")
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json.NewEncoder(w).Encode(export)
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}
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func (h *Handler) HandleImportWatchlist(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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return
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}
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user, ok := r.Context().Value(middleware.UserContextKey).(*database.User)
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if !ok || user == nil {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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if err := r.ParseMultipartForm(10 << 20); err != nil {
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http.Error(w, "failed to parse form", http.StatusBadRequest)
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return
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}
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file, _, err := r.FormFile("file")
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if err != nil {
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http.Error(w, "no file uploaded", http.StatusBadRequest)
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return
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}
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defer file.Close()
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var export ExportData
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if err := json.NewDecoder(file).Decode(&export); err != nil {
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http.Error(w, "invalid JSON format", http.StatusBadRequest)
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return
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}
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if _, err := h.svc.Import(r.Context(), user.ID, export); err != nil {
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http.Error(w, "failed to import", http.StatusInternalServerError)
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return
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}
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w.Header().Set("HX-Redirect", "/watchlist")
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w.WriteHeader(http.StatusOK)
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}
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