public override async Task GetCurrentWeatherStream(GetCurrentWeatherForCityRequest request, IServerStreamWriter <WeatherResponse> responseStream, ServerCallContext context)
{
var httpClient = _httpClientFactory.CreateClient();
for (int i = 0; i < 10; i++)
{
if (context.CancellationToken.IsCancellationRequested)
{
_logger.LogInformation("Request was cancelled");
break;
}
var temperatures = await GetTemperaturesAsync(request, httpClient);
await responseStream.WriteAsync(new WeatherResponse
{
Temperature = temperatures.Main.Temp,
FeelsLike = temperatures.Main.FeelsLike,
Timestamp = Timestamp.FromDateTime(DateTime.UtcNow),
City = request.City,
Units = request.Units
});
await Task.Delay(1000);
}
}
private async Task <Temperatures> GetTemperaturesAsync(GetCurrentWeatherForCityRequest request, HttpClient httpClient)
{
var responseText = await httpClient.GetStringAsync(
$"https://api.openweathermap.org/data/2.5/weather?q={request.City}&appid={_openWeatherMapApiKey}&units={request.Units}");
var temperatures = JsonSerializer.Deserialize <Temperatures>(responseText);
return(temperatures);
}
public override async Task <WeatherResponse> GetCurrentWeather(GetCurrentWeatherForCityRequest request, ServerCallContext context)
{
var httpClient = _httpClientFactory.CreateClient();
var temperatures = await GetTemperaturesAsync(request, httpClient);
return(new WeatherResponse
{
Temperature = temperatures.Main.Temp,
FeelsLike = temperatures.Main.FeelsLike,
Timestamp = Timestamp.FromDateTime(DateTime.UtcNow),
City = request.City,
Units = request.Units
});
}
