public async Task<IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return Page();
}
_context.Attach(Passenger).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!PassengerExists(Passenger.Id))
{
return NotFound();
}
else
{
throw;
}
}
return RedirectToPage("./Index");
}
public async Task <IActionResult> OnPostAsync()
{
if (!ModelState.IsValid)
{
return(Page());
}
_context.Transporters.Add(Transporter);
await _context.SaveChangesAsync();
return(RedirectToPage("./Index"));
}
public async Task <IActionResult> OnPostAsync(int?id)
{
if (id == null)
{
return(NotFound());
}
Passenger = await _context.Passengers.FindAsync(id);
if (Passenger != null)
{
_context.Passengers.Remove(Passenger);
await _context.SaveChangesAsync();
}
return(RedirectToPage("./Index"));
}
public static async void Initialize(IServiceProvider serviceProvider)
{
using (var context = new TimeTravelContext(
serviceProvider.GetRequiredService <
DbContextOptions <TimeTravelContext> >()))
{
if (!context.Transporters.Any())
{
var transporter = new Transporter
{
Name = "DeLorean"
};
context.Transporters.Add(transporter);
transporter = new Transporter
{
Name = "Phone Booth"
};
context.Transporters.Add(transporter);
await context.SaveChangesAsync();
}
if (!context.Passengers.Any())
{
var passenger = new Passenger
{
Name = "Marty McFly",
PositionInTime = new DateTime(2015, 10, 21),
Destination = "Hill Valley",
Transporter = context.Transporters.FirstOrDefault()
};
context.Passengers.Add(passenger);
passenger = new Passenger
{
Name = "Emmett Brown",
PositionInTime = new DateTime(1885, 9, 2),
Destination = "Old West",
Transporter = context.Transporters.FirstOrDefault()
};
context.Passengers.Add(passenger);
passenger = new Passenger
{
Name = "Jennifer Parker",
PositionInTime = new DateTime(1985, 7, 3),
Destination = "The 80s",
Transporter = context.Transporters.FirstOrDefault()
};
context.Passengers.Add(passenger);
var phoneBooth = await(from c in context.Transporters
where c.Name == "Phone Booth"
select c).SingleAsync();
passenger = new Passenger
{
Name = "Bill S. Preston, Esquire",
PositionInTime = new DateTime(1985, 7, 3),
Destination = "The 80s",
TransporterId = phoneBooth.Id
};
context.Passengers.Add(passenger);
passenger = new Passenger
{
Name = "Ted 'Theodore' Logan",
PositionInTime = new DateTime(1985, 7, 3),
Destination = "The 80s",
TransporterId = phoneBooth.Id
};
context.Passengers.Add(passenger);
await context.SaveChangesAsync();
}
}
}
