public async Task <IActionResult> Edit(string id, [Bind("RoomId,StartTime,StaffId,BookedInStudentId")] Slot slot)
{
if (id != slot.RoomId)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(slot);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!SlotExists(slot.RoomId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["BookedInStudentId"] = new SelectList(_context.User, "UserId", "UserId", slot.BookedInStudentId);
ViewData["RoomId"] = new SelectList(_context.Room, "RoomId", "RoomId", slot.RoomId);
ViewData["StaffId"] = new SelectList(_context.User, "UserId", "UserId", slot.StaffId);
return(View(slot));
}
public Task <bool> Book(string startTime, string studentId, string roomId)
{
if (string.IsNullOrEmpty(studentId) || string.IsNullOrEmpty(roomId) || string.IsNullOrEmpty(startTime))
{
return(Task.FromResult(false));
}
var bookNo = MaximumBookPerDay(studentId);
if (bookNo == null)
{
return(Task.FromResult(false));
}
if (bookNo > 0)
{
return(Task.FromResult(false));
}
DateTime stTime = Convert.ToDateTime(startTime);
var slot = _context.Slot.Where(x => x.StartTime == stTime && x.RoomId == roomId).SingleOrDefault();
if (slot == null)
{
return(Task.FromResult(false));
}
if (!string.IsNullOrEmpty(slot.BookedInStudentId))
{
return(Task.FromResult(false));
}
slot.BookedInStudentId = studentId;
_context.Update(slot);
_context.SaveChanges();
return(Task.FromResult(true));
}