/// <summary>
/// Gets a specific asteroid by id and returns a detailed view.
/// </summary>
/// <param name="asteroidId"></param>
/// <returns></returns>
public async Task <IActionResult> GetAsteroidDetails(string asteroidId)
{
var asteroid = await nasaService.GetAsteroidDataAsync(asteroidId);
if (asteroid == null)
{
return(View("Error", new ErrorViewModel
{
ErrorMessage = $"Asteroid with id '{asteroidId}' doesn't exist."
}));
}
var serializedJson = JsonConvert.SerializeObject(asteroid.CloseApproachData, new UnwrappedObjectSerializer(true));
var spreadsheets = excelConverter.CreateSpreadsheets(new[] { asteroid });
var dataTables = spreadsheets.Select(a => mapper.Map <TableViewModel>(a));
return(View("AsteroidDetails", dataTables));
}
/// <summary>
/// Downloads a specific asteroid page from the Nasa Api as an xlsx file.
/// </summary>
/// <param name="pageNum">Page to download.</param>
/// <returns></returns>
public async Task <IActionResult> DownloadFile(int pageNum)
{
//We subtract one since this page variable comes from the view which has the page count incremented
//by one so it displays properly.
var asteroids = await nasaService.GetAsteroidDataCollectionAsync(pageNum - 1, PageSize);
if (asteroids == null)
{
return(View("Error", new ErrorViewModel
{
ErrorMessage = $"Page number '{pageNum}'s doesn't exist."
}));
}
var sheets = excelConverter.CreateSpreadsheets(asteroids.Asteroids);
var excelPackage = excelConverter.CreateExcelPackage(sheets);
var file = await excelPackage.GetAsByteArrayAsync();
return(File(file, ContentType, string.Format(FileName, pageNum)));
}