public async Task <IActionResult> UploadFile(IFormFile file)
{
var model = new FileOutputModel();
if (file == null || file.Length == 0 || file.ContentType.ToLower() != "text/plain")
{
model.InvalidFile = true;
return(View("Index", model));
}
var fileExt = Path.GetExtension(file.FileName);
var path = Path.Combine(Directory.GetCurrentDirectory(), @"wwwroot\uploads\output.txt");
model.Name = Path.GetFileName(file.FileName);
model.Path = file.FileName;
model.Url = $"{this.Request.Scheme}://{this.Request.Host}{this.Request.PathBase}/uploads/output.txt";
//read file
var fileStream = await file.GetFileStream();
fileStream.Position = 0;
List <CheckoutModel> checkoutModel = new List <CheckoutModel>();
using (StreamReader reader = new StreamReader(fileStream))
{
string line;
while ((line = reader.ReadLine()) != null)
{
if (string.IsNullOrWhiteSpace(line))
{
continue;
}
var checkout = new CheckoutModel();
checkout.OwnedAmount = decimal.Parse(line.Split(",")[0].Trim());
checkout.PaidAmount = decimal.Parse(line.Split(",")[1].Trim());
checkoutModel.Add(checkout);
}
}
model.CheckoutModel = checkoutModel;
var calculatedModel = _checkoutService.Calculate(checkoutModel);
//write to the output file
using (StreamWriter writetext = new StreamWriter(path, false))
{
foreach (var line in calculatedModel)
{
writetext.WriteLine(line.ChangeString);
}
}
return(View("Index", model));
}