/// <summary> Get the Forecast of the Weather of the next 5 days of the selected location </summary>
/// <param name="location">Use the format CITY,CITY_CODE,COUNTRY</param>
/// <returns>An instance of the class CityWeather </returns>
public CityWeather getWeather(string location)
{
try
{
// Create the URL to make the request
string url = getUrl(location);
// Create the new request using the location and the API Key
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
// Store the API result as JSON String
string resultJsonString = "";
// Execute the request
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
// Read the result as an Stream
using (Stream stream = response.GetResponseStream())
// Reader to get the result as String
using (StreamReader reader = new StreamReader(stream))
{
// String as JSON
resultJsonString = reader.ReadToEnd();
}
// Parse the JSON String to a WeatherResult class
var weatherResult = JsonConvert.DeserializeObject <WeatherResult>(resultJsonString);
// Create a new instace of CityWeather to return the result
CityWeather result = new CityWeather();
// Use LINQ to extract and calculate the forecast per days
// The API return entries for 5 days, in a range of 3 hours
// First the list is sorted by date ASC
// The WHERE clause remove the current day
// The LINQ group the data per date (without taking consideration the time)
// The SELECT return the date, the average temp, and if exists or not chance of precipitation
// TAKE will only return the first 5 days
var stats = weatherResult
.list
.OrderBy(measure => measure.date)
.Where(measure => measure.date >= DateTime.Today.AddDays(1))
.GroupBy(measure => measure.date.ToString("MM/dd/yyyy"))
.Select(daily => new CityWeatherPerDay()
{
Date = daily.Key,
AverageTemp = Math.Round(daily.Average(m => m.main.temp_average), 2),
ChanceOfPrecipitation = daily.Average(m => m.pop) > 0
})
.Take(5);
result.Id = weatherResult.city.id; // Add the City ID
result.Location = location.Replace(",", ", "); // Beautify the string for final display
result.WeatherStats.AddRange(stats); // Add 5 days
// Return the result
return(result);
}
catch { throw; }
}
private static void printResult(CityWeather res)
{
Console.WriteLine("-----------------------------");
Console.WriteLine(String.Format("{0} ({1})", res.Location, res.Id));
Console.WriteLine("");
Console.WriteLine("Date \t\t Avg Temp (F)");
Console.WriteLine("-----------------------------");
res.WeatherStats.ForEach(stat =>
{
string precipitation = stat.ChanceOfPrecipitation ? "*" : " ";
Console.WriteLine(String.Format("{0}{1} \t {2}°", stat.Date, precipitation, stat.AverageTemp.ToString("#,##0.00")));
});
Console.WriteLine("");
}
public static void Main()
{
GetWeather api = new GetWeather(API_KEY);
Console.WriteLine("Current datetime: " + DateTime.Now.ToString("g") + "/n");
foreach (var location in LOCATIONS)
{
try
{
CityWeather result = api.getWeather(location);
printResult(result);
}
catch (Exception)
{
Console.WriteLine("Something goes wrong when the application search the location: " + location);
}
}
}
