312 lines
10 KiB
C#
312 lines
10 KiB
C#
using MediaBrowser.Common.Logging;
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using MediaBrowser.Common.Serialization;
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using MediaBrowser.Model.Weather;
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using System;
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using System.ComponentModel.Composition;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Controller.Weather
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{
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/// <summary>
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/// Based on http://www.worldweatheronline.com/free-weather-feed.aspx
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/// The classes in this file are a reproduction of the json output, which will then be converted to our weather model classes
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/// </summary>
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[Export(typeof(BaseWeatherProvider))]
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public class WeatherProvider : BaseWeatherProvider
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{
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/// <summary>
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/// The _weather semaphore
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/// </summary>
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private readonly SemaphoreSlim _weatherSemaphore = new SemaphoreSlim(10, 10);
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/// <summary>
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/// Gets the weather info async.
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/// </summary>
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/// <param name="location">The location.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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/// <returns>Task{WeatherInfo}.</returns>
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/// <exception cref="System.ArgumentNullException">location</exception>
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public override async Task<WeatherInfo> GetWeatherInfoAsync(string location, CancellationToken cancellationToken)
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{
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if (string.IsNullOrWhiteSpace(location))
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{
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throw new ArgumentNullException("location");
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}
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if (cancellationToken == null)
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{
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throw new ArgumentNullException("cancellationToken");
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}
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const int numDays = 5;
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const string apiKey = "24902f60f1231941120109";
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var url = "http://free.worldweatheronline.com/feed/weather.ashx?q=" + location + "&format=json&num_of_days=" + numDays + "&key=" + apiKey;
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Logger.LogInfo("Accessing weather from " + url);
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using (var stream = await Kernel.Instance.HttpManager.Get(url, _weatherSemaphore, cancellationToken).ConfigureAwait(false))
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{
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var data = JsonSerializer.DeserializeFromStream<WeatherResult>(stream).data;
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return GetWeatherInfo(data);
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}
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}
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/// <summary>
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/// Converst the json output to our WeatherInfo model class
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/// </summary>
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/// <param name="data">The data.</param>
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/// <returns>WeatherInfo.</returns>
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private WeatherInfo GetWeatherInfo(WeatherData data)
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{
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var info = new WeatherInfo();
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if (data.current_condition != null)
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{
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var condition = data.current_condition.FirstOrDefault();
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if (condition != null)
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{
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info.CurrentWeather = condition.ToWeatherStatus();
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}
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}
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if (data.weather != null)
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{
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info.Forecasts = data.weather.Select(w => w.ToWeatherForecast()).ToArray();
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}
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return info;
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}
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}
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/// <summary>
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/// Class WeatherResult
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/// </summary>
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class WeatherResult
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{
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/// <summary>
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/// Gets or sets the data.
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/// </summary>
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/// <value>The data.</value>
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public WeatherData data { get; set; }
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}
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/// <summary>
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/// Class WeatherData
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/// </summary>
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public class WeatherData
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{
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/// <summary>
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/// Gets or sets the current_condition.
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/// </summary>
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/// <value>The current_condition.</value>
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public WeatherCondition[] current_condition { get; set; }
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/// <summary>
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/// Gets or sets the weather.
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/// </summary>
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/// <value>The weather.</value>
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public DailyWeatherInfo[] weather { get; set; }
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}
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/// <summary>
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/// Class WeatherCondition
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/// </summary>
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public class WeatherCondition
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{
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/// <summary>
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/// Gets or sets the temp_ C.
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/// </summary>
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/// <value>The temp_ C.</value>
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public string temp_C { get; set; }
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/// <summary>
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/// Gets or sets the temp_ F.
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/// </summary>
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/// <value>The temp_ F.</value>
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public string temp_F { get; set; }
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/// <summary>
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/// Gets or sets the humidity.
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/// </summary>
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/// <value>The humidity.</value>
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public string humidity { get; set; }
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/// <summary>
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/// Gets or sets the weather code.
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/// </summary>
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/// <value>The weather code.</value>
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public string weatherCode { get; set; }
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/// <summary>
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/// To the weather status.
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/// </summary>
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/// <returns>WeatherStatus.</returns>
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public WeatherStatus ToWeatherStatus()
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{
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return new WeatherStatus
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{
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TemperatureCelsius = int.Parse(temp_C),
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TemperatureFahrenheit = int.Parse(temp_F),
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Humidity = int.Parse(humidity),
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Condition = DailyWeatherInfo.GetCondition(weatherCode)
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};
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}
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}
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/// <summary>
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/// Class DailyWeatherInfo
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/// </summary>
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public class DailyWeatherInfo
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{
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/// <summary>
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/// Gets or sets the date.
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/// </summary>
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/// <value>The date.</value>
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public string date { get; set; }
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/// <summary>
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/// Gets or sets the precip MM.
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/// </summary>
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/// <value>The precip MM.</value>
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public string precipMM { get; set; }
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/// <summary>
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/// Gets or sets the temp max C.
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/// </summary>
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/// <value>The temp max C.</value>
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public string tempMaxC { get; set; }
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/// <summary>
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/// Gets or sets the temp max F.
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/// </summary>
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/// <value>The temp max F.</value>
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public string tempMaxF { get; set; }
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/// <summary>
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/// Gets or sets the temp min C.
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/// </summary>
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/// <value>The temp min C.</value>
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public string tempMinC { get; set; }
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/// <summary>
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/// Gets or sets the temp min F.
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/// </summary>
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/// <value>The temp min F.</value>
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public string tempMinF { get; set; }
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/// <summary>
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/// Gets or sets the weather code.
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/// </summary>
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/// <value>The weather code.</value>
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public string weatherCode { get; set; }
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/// <summary>
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/// Gets or sets the winddir16 point.
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/// </summary>
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/// <value>The winddir16 point.</value>
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public string winddir16Point { get; set; }
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/// <summary>
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/// Gets or sets the winddir degree.
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/// </summary>
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/// <value>The winddir degree.</value>
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public string winddirDegree { get; set; }
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/// <summary>
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/// Gets or sets the winddirection.
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/// </summary>
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/// <value>The winddirection.</value>
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public string winddirection { get; set; }
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/// <summary>
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/// Gets or sets the windspeed KMPH.
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/// </summary>
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/// <value>The windspeed KMPH.</value>
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public string windspeedKmph { get; set; }
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/// <summary>
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/// Gets or sets the windspeed miles.
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/// </summary>
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/// <value>The windspeed miles.</value>
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public string windspeedMiles { get; set; }
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/// <summary>
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/// To the weather forecast.
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/// </summary>
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/// <returns>WeatherForecast.</returns>
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public WeatherForecast ToWeatherForecast()
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{
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return new WeatherForecast
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{
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Date = DateTime.Parse(date),
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HighTemperatureCelsius = int.Parse(tempMaxC),
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HighTemperatureFahrenheit = int.Parse(tempMaxF),
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LowTemperatureCelsius = int.Parse(tempMinC),
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LowTemperatureFahrenheit = int.Parse(tempMinF),
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Condition = GetCondition(weatherCode)
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};
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}
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/// <summary>
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/// Gets the condition.
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/// </summary>
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/// <param name="weatherCode">The weather code.</param>
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/// <returns>WeatherConditions.</returns>
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public static WeatherConditions GetCondition(string weatherCode)
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{
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switch (weatherCode)
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{
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case "362":
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case "365":
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case "320":
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case "317":
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case "182":
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return WeatherConditions.Sleet;
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case "338":
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case "335":
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case "332":
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case "329":
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case "326":
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case "323":
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case "377":
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case "374":
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case "371":
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case "368":
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case "395":
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case "392":
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case "350":
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case "227":
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case "179":
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return WeatherConditions.Snow;
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case "314":
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case "311":
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case "308":
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case "305":
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case "302":
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case "299":
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case "296":
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case "293":
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case "284":
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case "281":
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case "266":
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case "263":
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case "359":
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case "356":
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case "353":
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case "185":
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case "176":
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return WeatherConditions.Rain;
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case "260":
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case "248":
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return WeatherConditions.Fog;
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case "389":
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case "386":
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case "200":
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return WeatherConditions.Thunderstorm;
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case "230":
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return WeatherConditions.Blizzard;
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case "143":
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return WeatherConditions.Mist;
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case "122":
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return WeatherConditions.Overcast;
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case "119":
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return WeatherConditions.Cloudy;
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case "115":
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return WeatherConditions.PartlyCloudy;
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default:
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return WeatherConditions.Sunny;
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}
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}
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}
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}
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