public async Task <bool> ReservePlayerColour(Guid sessionId, String sessionEtag, PlayerColour colour)
{
await StorageDelaySimulationTask;
if (SessionMap.ContainsKey(sessionId))
{
DummySession session = SessionMap[sessionId];
if (session.CurrentEtag == sessionEtag)
{
var colourQuery = from player in session.Players
where player.Colour == colour
select player;
if (colourQuery.Count() == 0)
{
session.GenerateNewEtag();
return(true);
}
else
{
// Already taken
return(false);
}
}
else
{
// Doesn't match!
throw new ConcurrencyException();
}
}
else
{
throw new InvalidOperationException("Shouldn't call ReservePlayerColour with an invalid session GUID");
}
}
public Task JoinSession(Guid sessionId, String userId, PlayerColour colour)
{
DummySession foundSession = SessionMap[sessionId];
if (foundSession != null)
{
foundSession.Players.Add(new DummyNationData(userId)
{
Colour = colour
});
foundSession.GenerateNewEtag();
return(Task.FromResult(false));
}
else
{
throw new InvalidOperationException("Called JoinSession with a non-existant GUID");
}
}
