public async Task DisplayWeatherAsync()
{
WeatherRender = Render.LoadingComponent();
if (string.IsNullOrWhiteSpace(CityName))
{
WeatherRender = Render.ErrorComponent("Empty search. Please type smth");
return;
}
var cityNamePlus = CityName.Trim().Replace(" ", "+");
//OpenWeatherUri contains API key. It's better to use user secrets for that
//in development environment but there's a client-side API call.
var openWeatherUri = new Uri(
"https://api.openweathermap.org/data/2.5/weather?q=" + cityNamePlus +
"&APPID=d5bb735f9e1ce1a846ab736fc9d95dc6");
var requestMessage = new HttpRequestMessage()
{
Method = new HttpMethod("GET"),
RequestUri = openWeatherUri
};
var httpClient = new HttpClient();
var response = await httpClient.SendAsync(requestMessage);
switch (response.StatusCode)
{
case HttpStatusCode.OK:
var weatherJson = JObject.Parse(await response.Content.ReadAsStringAsync());
var weather = new Weather
{
Description = char.ToUpper(((string)weatherJson["weather"][0]["description"])[0]) +
((string)weatherJson["weather"][0]["description"]).Substring(1),
Temperature = (int)Math.Round((decimal)weatherJson["main"]["temp"] - 273.15m),
Pressure = (decimal)weatherJson["main"]["pressure"],
Humidity = (decimal)weatherJson["main"]["humidity"],
WindSpeed = (decimal)weatherJson["wind"]["speed"],
IconUrl = "http://openweathermap.org/img/w/" +
(string)weatherJson["weather"][0]["icon"] + ".png"
};
WeatherRender = Render.WeatherComponent(weather);
break;
case HttpStatusCode.NotFound:
WeatherRender = Render.ErrorComponent("City not found");
break;
default:
WeatherRender = Render.ErrorComponent();
break;
}
}