1 files changed, 70 insertions, 0 deletions
diff --git a/mg.go b/mg.go
index 05eb640..7b7cea5 100644
--- a/mg.go
+++ b/mg.go
@@ -41,3 +41,73 @@ const (
 	Tags     = "tags"
 	Comments = "comments"
 )
+
+// for getting ranking list
+const (
+	// for anime only
+	RankingTypeAiring   = "airing"
+	RankingTypeUpcoming = "upcoming"
+	RankingTypeTV       = "tv"
+	RankingTypeOVA      = "ova"
+	RankingTypeMovie    = "movie"
+	RankingTypeSpecial  = "special"
+
+	// for manga only
+	RankingTypeManga   = "manga"
+	RankingTypeNovel   = "novels"
+	RankingTypeOneShot = "oneshots"
+	RankingTypeDoujin  = "doujin"
+	RankingTypeManhwa  = "manhwa"
+	RankingTypeManhua  = "manhua"
+
+	// for both
+	RankingTypeAll          = "all"
+	RankingTypeByPopularity = "bypopularity"
+	RankingTypeFavorite     = "favorite"
+)
+
+// for anime/manga list sort
+const (
+	// for anime only
+	SortByAnimeTitle     = "anime_title"
+	SortByAnimeStartDate = "anime_start_date"
+	SortByAnimeId        = "anime_id"
+
+	// for manga only
+	SortByMangaTitle     = "manga_title"
+	SortByMangaStartDate = "manga_start_date"
+	SortByMangaId        = "manga_id"
+
+	// for both
+	SortByListScore     = "list_score"
+	SortByListUpdatedAt = "list_updated_at"
+)
+
+// for anime/manga list status
+const (
+	// for anime only
+	ListStatusWatching = "watching"
+	ListStatusPTW      = "plan_to_watch"
+
+	// for manga only
+	ListStatusReading = "watching"
+	ListStatusPTR     = "plan_to_read"
+
+	// for both
+	ListStatusCompleted = "completed"
+	ListStatusOnHold    = "on_hold"
+	ListStatusDropped   = "dropped"
+)
+
+// for anime seasons
+const (
+	// season names
+	SeasonWinter = "winter"
+	SeasonSpring = "spring"
+	SeasonSummer = "summer"
+	SeasonFall   = "fall"
+
+	// sorting
+	SeasonSortByAnimeScore   = "anime_score"
+	SeasonSortByNumListUsers = "num_list_users"
+)