public async Task <IActionResult> GetForecastByCity([FromQuery] string cityName, [FromQuery] string countryCode = null, [FromQuery] string unit = null)
{
var query = new GetForecastByCityQuery(cityName, countryCode, unit);
var result = await _mediator.Send(query);
return(Ok(result));
}
public async Task <List <WeatherForecastDto> > Handle(GetForecastByCityQuery request, CancellationToken cancellationToken)
{
var takeCount = int.Parse(_configuration.GetSection("TotalShow").Value);
var selectedCity = _context.Cities.FirstOrDefault(_ => _.Name == request.CityName);
if (selectedCity == null)
{
throw new ArgumentNullException(nameof(selectedCity));
}
var weatherForecast = await LoadWeatherForecast(selectedCity, takeCount);
if (weatherForecast.Count == 0 || weatherForecast.Count < takeCount)
{
await LoadFromApiAndPutToDb(weatherForecast, selectedCity);
weatherForecast = await LoadWeatherForecast(selectedCity, takeCount);
}
var result = weatherForecast.Select(_ => new WeatherForecastDto
{
Date = _.Date,
Humidity = Math.Round(_.Humidity, 1),
Temperature = Math.Round(_.Temperature, 1),
WindSpeed = Math.Round(_.WindSpeed, 1)
}).ToList();
return(result);
}
public void Should_Not_Have_Validation_Error_If_City_Is_Not_Empty()
{
var validator = new GetForecastByCityValidator();
var model = new GetForecastByCityQuery("Hamburg", null, null);
var result = validator.TestValidate(model);
result.ShouldNotHaveValidationErrorFor(x => x.City);
}
public void Should_Have_Validation_Error_If_City_Is_Null()
{
var validator = new GetForecastByCityValidator();
var model = new GetForecastByCityQuery(null, null, null);
var result = validator.TestValidate(model);
result.ShouldHaveValidationErrorFor(x => x.City)
.WithErrorMessage("'City' must not be empty.")
.WithSeverity(Severity.Error)
.WithErrorCode("NotEmptyValidator");
}
