SRNicoNico.Models.NicoNicoWrapper.NicoNicoRanking.TransPeriod C# (CSharp) Method

        private static RankingPeriod TransPeriod(string period) {

            switch(period) {
                case "毎時":
                    return RankingPeriod.Hourly;
                case "24時間":
                    return RankingPeriod.Daily;
                case "週間":
                    return RankingPeriod.Weekly;
                case "月間":
                    return RankingPeriod.Monthly;
                case "合計":
                    return RankingPeriod.Total;
                default:
                    throw new InvalidOperationException("そんなバカな");
            }
        }