番組登録を追加（登録時の過去回の選択、一時停止・再開・解除、既知の回の記録）

internal/web/newer.go

@@ -22,6 +22,7 @@ var platformTokenPattern = regexp.MustCompile(`(?i)(platform_token=)[^&\s]+`)
 
 type NewerFetcher interface {
 	FetchNewer(context.Context, string) ([]tver.Episode, error)
+	FetchSeriesEpisodes(context.Context, string) ([]tver.Episode, error)
 }
 
 type cacheEntry struct {
@@ -36,6 +37,8 @@ type newerOptions struct {
 
 type episodeView struct {
 	ID                 string
+	SeriesID           string
+	SubscriptionAction subscriptionActionView
 	Genre              string
 	Status             string
 	StatusText         string
@@ -150,10 +153,27 @@ func (s *server) newerView(ctx context.Context, options newerOptions) newerView
 		view.ErrorText = "状態を取得できませんでした"
 		return view
 	}
+	seriesIDs := make([]string, 0, len(visible))
+	seenSeries := make(map[string]bool)
+	for _, episode := range visible {
+		if episode.SeriesID != "" && !seenSeries[episode.SeriesID] {
+			seriesIDs = append(seriesIDs, episode.SeriesID)
+			seenSeries[episode.SeriesID] = true
+		}
+	}
+	subscribed, err := s.jobs.SubscribedSeries(ctx, seriesIDs)
+	if err != nil {
+		s.logger.Printf("登録番組の状態取得に失敗: %v", err)
+		view.Failed = true
+		view.ErrorText = "登録番組の状態を取得できませんでした"
+		return view
+	}
 	for _, episode := range visible {
 		endAt := time.Unix(episode.EndAt, 0).In(s.zone)
 		view.Episodes = append(view.Episodes, episodeView{
 			ID:                 episode.ID,
+			SeriesID:           episode.SeriesID,
+			SubscriptionAction: subscriptionActionView{ID: episode.ID, Genre: options.genre, Subscribed: subscribed[episode.SeriesID]},
 			Genre:              options.genre,
 			Status:             statuses[episode.ID],
 			StatusText:         statusText(statuses[episode.ID]),