/// <summary>
/// AIS数据
/// </summary>
/// <param name="ais"></param>
public void AisAdd(Ais ais)
{
if (ais != null)
{
try
{
using (var context = new MyContext())
{
var ship = context.Ship.FirstOrDefault();
bool flag = ais.status == 0 ? true : false;
//当航行状态为自动时才将AIS的状态保存到数据库中
if (ship != null && ship.type == 0 && ship.Flag != flag)
{
ship.Flag = flag;
context.Update(ship);
context.SaveChanges();
//船状态修改时要推送消息给算法
InitManger im = new InitManger();
im.InitStatus();
}
}
}
catch (Exception ex)
{
AddReceiveLog("AIS", "", "写入数据失败!" + ex.Message);
}
}
}
private AiListViewModel(ObservableCollection <AiViewModel> ais)
{
Ais = ais ?? throw new ArgumentNullException(nameof(ais));
var selectedAis = Ais
.ToObservableChangeSet()
.AutoRefresh(ai => ai.IsChecked)
.Filter(ai => ai.IsChecked)
.Transform(ai => ai.Ai)
.Distinct()
.ToCollection();
IsAnyAiSelected = selectedAis.Select(list => list.Any());
}