public ActionResult Index(IFormFile postedFile)
{
if (postedFile != null)
{
try
{
//Get uploaded file extension
var fileExtension = Path.GetExtension(postedFile.FileName);
//Validate uploaded file and return error.
if (!Validator.IsValidFIle(fileExtension))
{
ViewBag.Message = "Please select valid file. Allowd file formats: .csv, .flf";
return(View());
}
//implementing strategy pattern to load business logic as per imported file extension
var productInventories = _businessDataContext.InstantiateStrategy <IFileAbstract>
(_businessDataContext.ConextStrategy[fileExtension]).ProcessImportedFiles(postedFile);
return(View("Result",
new ImportedDataDetail
{
ProductInventories = productInventories,
Extension = FormatString.FormatImgUrl(fileExtension)
}));
}
catch (Exception ex)
{
ViewBag.Message = ex.Message;
}
}
else
{
ViewBag.Message = "Please select the file to upload.";
}
return(View());
}
