/// <summary>
/// The following method reads the uploaded .csv file
/// and adds them to the Orders and Tickets tables within
/// the database. This method also displays a table of the
/// newly uploaded data from the .csv
/// </summary>
/// <returns>The index.</returns>
/// <param name="upload">The file uploaded.</param>
[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Index(IFormFile upload)
{
if (ModelState.IsValid)
{
if (upload != null && upload.Length > 0)
{
if (upload.FileName.EndsWith(".csv", StringComparison.Ordinal))
{
Stream stream = upload.OpenReadStream();
DataTable csvTable = new DataTable();
using (CsvReader csvReader =
new CsvReader(new StreamReader(stream), true))
{
csvTable.Load(csvReader);
//Add to database
foreach(DataRow row in csvTable.Rows)
{
Orders order = new Orders();
Tickets ticket = new Tickets();
order.FirstName = row[1].ToString();
order.LastName = row[2].ToString();
ticket.TicketNumber = row[3].ToString();
ticket.EventDate = DateTime.Parse(row[4].ToString());
//Add to order table
_orderContext.Add(order);
_orderContext.SaveChangesAsync();
//Add to ticket table
_ticketContext.Add(ticket);
_ticketContext.SaveChangesAsync();
}
}
//Return data to the view.
return View(csvTable);
}
else
{
ModelState.AddModelError("File", "This file format is not supported. Try again.");
return View();
}
}
else
{
ModelState.AddModelError("File", "Please Upload Your file");
}
}
return View();
}
public async Task <IActionResult> Create([Bind("ID,TicketNumber,EventDate")] Tickets tickets)
{
if (ModelState.IsValid)
{
_context.Add(tickets);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(tickets));
}
public async Task <IActionResult> Create([Bind("ID,FirstName,LastName")] Orders orders)
{
if (ModelState.IsValid)
{
_context.Add(orders);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(orders));
}
