Add weather conditions from WeatherKit to workout, displayed in Health App

weathermetada.swift

extension WeatherCondition {
    var hkWeatherCondition: HKWeatherCondition {
        switch (self) {
            case .clear:
                return .clear
            case .partlyCloudy:
                return .partlyCloudy
            case .mostlyCloudy:
                return .mostlyCloudy
            case .cloudy:
                return .cloudy
            case .foggy:
                return .foggy
            case .haze:
                return .haze
            case .windy:
                return .windy
            case .smoky:
                return .smoky
            case .blowingDust:
                return .dust
            case .snow:
                return .snow
            case .hail:
                return .hail
            case .sleet:
                return .sleet
            case .freezingDrizzle:
                return .freezingDrizzle
            case .freezingRain:
                return .freezingRain
            case .drizzle:
                return .drizzle
            case .sunShowers:
                return .showers
            case .thunderstorms:
                return .thunderstorms
            case .tropicalStorm:
                return .tropicalStorm
            case .hurricane:
                return .hurricane
            default:
                return .none
        }
    }
}

///do this before builder?.finishWorkout()
func addWeatherConditionsMetadata(current: CurrentWeather) {
        func weatherConditionsMetadata(current: CurrentWeather) -> [String: Any]? {
            var metadata: [String: Any]?
            metadata = [
                HKMetadataKeyWeatherTemperature: HKQuantity(unit: HKUnit.degreeCelsius(), doubleValue: current.temperature.value),
                HKMetadataKeyWeatherHumidity: HKQuantity(unit: HKUnit.percent(), doubleValue: current.humidity * 100), // this is wrong, but it works
                HKMetadataKeyWeatherCondition: current.condition.hkWeatherCondition.rawValue]
            return metadata
        }

        if let metadata = weatherConditionsMetadata() {
            builder?.addMetadata(metadata) { success, error in 
            }
        }
}