public async Task <IActionResult> Download(DateTime fromDate, DateTime toDate)
{
try
{
//TODO: Move this validation logic to a reusable method
if (fromDate == DateTime.MinValue || toDate == DateTime.MinValue)
{
ViewData[ApplicationConstants.ViewDataInvalidInputErrorKey] = ApplicationConstants.InvalidInputErrorString;
return(View(ApplicationConstants.InvalidInputErrorView));
}
//Format the dates
FormatDates(fromDate, toDate, out string formattedFromDate, out string formattedToDate);
//Service composition
var data = await _intervalRepository.GetIntervalData(formattedFromDate, formattedToDate);
var stream = await _excelService.GetDownloadStream(data);
string excelFileName = $"{_settings.Value.FileName}{DateTime.Now.ToString(_settings.Value.FileNameDateFormatString)}{_settings.Value.ExcelExtension}";
return(File(stream, $"{_settings.Value.ContentType}", excelFileName));
}
catch (Exception ex)
{
_logger.LogError(ex, nameof(Download), new string[] { fromDate.ToString(), toDate.ToString() });
}
ViewData[ApplicationConstants.ViewDataDownloadErrorKey] = ApplicationConstants.DownloadFailedErrorString;
return(View(ApplicationConstants.ErrorView));
}