public IActionResult TicketBuy(int EventId, string BuyerName)
{
TempData["Message"] = "";
if (ModelState.IsValid)
{
using (var db = new dbInterviewContext())
{
bool IsBuy = db.Buyer.Any(p => p.EventId == EventId);
if (!IsBuy)
{
Event _event = db.Event.FirstOrDefault(p => p.EventId == EventId);
if (_event != null)
{
Buyer buyer = new Buyer()
{
EventId = EventId,
BuyerName = BuyerName,
TesterKey = "ak"
};
db.Buyer.Add(buyer);
db.SaveChanges();
}
TempData["Message"] = "Ticket Bought";
}
else
{
TempData["Message"] = "Too late!";
}
}
}
return(RedirectToAction("TicketBuy", EventId));
}
public IActionResult Index()
{
using (var db = new dbInterviewContext())
{
List <Event> events = db.Event.Where(p => p.Buyer.FirstOrDefault() == null).ToList();
ViewBag.Message = TempData["Message"];
TempData["Message"] = "";
return(View(events));
}
}
public async Task Get()
{
Response.Headers.Add("Content-Type", "text/event-stream");
Microsoft.AspNetCore.Http.Headers.RequestHeaders headers = Request.GetTypedHeaders();
bool returnEmpty = true;
if (headers.Referer.OriginalString.Contains("TicketBuy", StringComparison.InvariantCultureIgnoreCase))
{
int eventId = 0;
if (Int32.TryParse(headers.Referer.Segments[headers.Referer.Segments.Length - 1], out eventId))
{
if (eventId > 0)
{
bool isTicketBooked = false;
using (var db = new dbInterviewContext())
{
for (int i = 0; i < 4; i++)
{
await Task.Delay(TimeSpan.FromSeconds(2));
bool IsBuy = db.Buyer.Any(p => p.EventId == eventId);
if (IsBuy == true)
{
//ticket booked
returnEmpty = false;
string dataItem = $"data: {"TICKET_BOOKED"}\n\n";
byte[] dataItemBytes = ASCIIEncoding.ASCII.GetBytes(dataItem);
await Response.Body.WriteAsync(dataItemBytes, 0, dataItemBytes.Length);
await Response.Body.FlushAsync();
break;
}
}
}
}
}
}
if (returnEmpty)
{
string dataItem = $"data: {""}\n\n";
byte[] dataItemBytes = ASCIIEncoding.ASCII.GetBytes(dataItem);
await Response.Body.WriteAsync(dataItemBytes, 0, dataItemBytes.Length);
await Response.Body.FlushAsync();
}
}
public IActionResult TicketBuy(int Id)
{
if (Id > 0)
{
using (var db = new dbInterviewContext())
{
EventViewModel eventViewModel = db.Event.Where(p => p.EventId == Id).Select(p => new EventViewModel()
{
EventId = p.EventId,
TimeoutInSeconds = p.TimeoutInSeconds,
IsTickedAlreadyBought = p.Buyer.FirstOrDefault() == null ? false : true
}).FirstOrDefault();
ViewBag.Message = TempData["Message"];
TempData["Message"] = "";
if (eventViewModel != null)
{
return(View(eventViewModel));
}
}
}
return(RedirectToAction("Index"));
}
public EventRepository(dbInterviewContext _context)
{
context = _context;
}
public BuyerRepository(dbInterviewContext _context, IEventRepository eventRepository)
{
context = _context;
_EventRepository = eventRepository;
}
