static Season? _getSeasonForDate()

in veggieseasons/lib/data/app_state.dart [44:79]

• 33 lines of code
• 19 McCabe index (conditional complexity)

  static Season? _getSeasonForDate(DateTime date) {
    if (debugCurrentSeason != null) {
      return debugCurrentSeason;
    }

    // Technically the start and end dates of seasons can vary by a day or so,
    // but this is close enough for produce.
    switch (date.month) {
      case 1:
        return Season.winter;
      case 2:
        return Season.winter;
      case 3:
        return date.day < 21 ? Season.winter : Season.spring;
      case 4:
        return Season.spring;
      case 5:
        return Season.spring;
      case 6:
        return date.day < 21 ? Season.spring : Season.summer;
      case 7:
        return Season.summer;
      case 8:
        return Season.summer;
      case 9:
        return date.day < 22 ? Season.autumn : Season.winter;
      case 10:
        return Season.autumn;
      case 11:
        return Season.autumn;
      case 12:
        return date.day < 22 ? Season.autumn : Season.winter;
      default:
        throw ArgumentError('Can\'t return a season for month #${date.month}.');
    }
  }