Show sequels of completed anime

pages/explore/explorerelations/sequels.go

@@ -0,0 +1,57 @@
+package explorerelations
+
+import (
+	"net/http"
+	"sort"
+
+	"github.com/animenotifier/arn"
+
+	"github.com/aerogo/aero"
+	"github.com/animenotifier/notify.moe/components"
+	"github.com/animenotifier/notify.moe/utils"
+)
+
+// Sequels ...
+func Sequels(ctx *aero.Context) string {
+	user := utils.GetUser(ctx)
+
+	if user == nil {
+		return ctx.Error(http.StatusUnauthorized, "Not logged in", nil)
+	}
+
+	animeList := user.AnimeList()
+	sequels := []*utils.AnimeWithRelatedAnime{}
+
+	for anime := range arn.StreamAnime() {
+		if animeList.Contains(anime.ID) {
+			continue
+		}
+
+		prequels := anime.Prequels()
+
+		for _, prequel := range prequels {
+			item := animeList.Find(prequel.ID)
+
+			if item != nil && item.Status == arn.AnimeListStatusCompleted {
+				sequels = append(sequels, &utils.AnimeWithRelatedAnime{
+					Anime:   anime,
+					Related: prequel,
+				})
+				break
+			}
+		}
+	}
+
+	sort.Slice(sequels, func(i, j int) bool {
+		aScore := sequels[i].Anime.Score()
+		bScore := sequels[j].Anime.Score()
+
+		if aScore == bScore {
+			return sequels[i].Anime.Title.Canonical < sequels[j].Anime.Title.Canonical
+		}
+
+		return aScore > bScore
+	})
+
+	return ctx.HTML(components.ExploreAnimeSequels(sequels, user))
+}