public async Task <IActionResult> Execute(string subject, string orderId)
{
if (string.IsNullOrWhiteSpace(subject))
{
throw new ArgumentNullException(nameof(subject));
}
if (string.IsNullOrWhiteSpace(orderId))
{
throw new ArgumentNullException(nameof(orderId));
}
var validationResult = await _validator.Validate(subject, orderId);
if (!validationResult.IsValid)
{
var error = _responseBuilder.GetError(ErrorCodes.Request, validationResult.Message);
return(_controllerHelper.BuildResponse(HttpStatusCode.BadRequest, error));
}
var label = await _upsClient.GetLabel(new GetLabelParameter
{
Credentials = new UpsCredentials
{
LicenseNumber = _settingsProvider.GetUpsLicenseNumber(),
Password = _settingsProvider.GetUpsPassword(),
UserName = _settingsProvider.GetUpsUsername()
},
TrackingNumber = _settingsProvider.IsTstMode() ? "1Z12345E8791315509" : validationResult.Order.TrackingNumber
});
if (label.LabelResults == null || label.LabelResults.LabelImage == null)
{
var error = _responseBuilder.GetError(ErrorCodes.Request, ErrorDescriptions.TheLabelCannotBeRetrieved);
return(_controllerHelper.BuildResponse(HttpStatusCode.BadRequest, error));
}
if (!string.Equals(label.LabelResults.LabelImage.LabelImageFormat.Code, "gif", StringComparison.CurrentCultureIgnoreCase) &&
!string.Equals(label.LabelResults.LabelImage.LabelImageFormat.Code, "pdf", StringComparison.CurrentCultureIgnoreCase))
{
var error = _responseBuilder.GetError(ErrorCodes.Request, ErrorDescriptions.TheLabelFormatIsNotSupported);
return(_controllerHelper.BuildResponse(HttpStatusCode.BadRequest, error));
}
var contentType = "application/pdf";
if (string.Equals(label.LabelResults.LabelImage.LabelImageFormat.Code, "gif", StringComparison.CurrentCultureIgnoreCase))
{
contentType = "application/gif";
}
var b64 = label.LabelResults.LabelImage.GraphicImage;
var response = new FileContentResult(Convert.FromBase64String(b64), contentType)
{
FileDownloadName = $"{validationResult.Order.Id}.{label.LabelResults.LabelImage.LabelImageFormat.Code}"
};
return(response);
}
