public async Task WeatherService_WhenCalled_CallsTheRepositoryAndGetsData()
{
var result = await _weatherService.GetWeatherForCityAsync(It.IsAny <Int32>(), It.IsAny <string>(), It.IsAny <string>());
_mockWeatherRepository.Verify(x => x.GetWeatherForCityAsync(It.IsAny <Int32>(), It.IsAny <string>(), It.IsAny <string>()));
Assert.IsNotNull(result);
}
public async Task <IActionResult> GetWeatherForCitiesAsync(IFormFile file)
{
if (file == null || file.Length == 0)
{
return(BadRequest("File not selected"));
}
ICsvFileHelper csvHelper = new CsvFileHelper();
IEnumerable <WeatherRecord> weatherRecords;
List <WeatherDetails> weatherDetails = new List <WeatherDetails>();
string csvFilepath = string.Empty;
string strMessage = string.Empty;
try
{
//Get the list of cities
var reader = new StreamReader(file.OpenReadStream());
weatherRecords = csvHelper.GetRecords <WeatherRecord>(reader);
//Get the weather for the cities
foreach (var wr in weatherRecords)
{
var weather = await _cityWeatherService.GetWeatherForCityAsync(wr.CityId, _weatherSettings.Value.ApplicationId, _weatherSettings.Value.ApiUrl).ConfigureAwait(false);
weatherDetails.Add(weather);
}
//write the weather to file
//Appending the Datetime.Ticks to ensure unique file name. Guid can also be used instead.
csvFilepath = Path.Combine(Directory.GetCurrentDirectory(), "Files", "Weather_" + DateTime.Now.Ticks.ToString() + ".csv");
if (!Directory.Exists(Path.Combine(Directory.GetCurrentDirectory(), "Files")))
{
Directory.CreateDirectory(Path.Combine(Directory.GetCurrentDirectory(), "Files"));
}
csvHelper.WriteRecords <WeatherDetails>(csvFilepath, weatherDetails);
strMessage = "Successfully written to " + csvFilepath;
}
catch (Exception ex)
{
strMessage = "Operation failed with error:" + ex.Message;
}
return(Ok(strMessage));
}