public async Task <SaveResultEnvelope> Handle(Command request, CancellationToken cancellationToken)
{
Models.Alert alert = null;
if (request.MasterId == Guid.Empty)
{
throw new RestException(HttpStatusCode.Unauthorized, new { Error = ErrorMessages.MasterIdDidNotBind });
}
var boundFloor = await _context.Floors.SingleOrDefaultAsync(f => f.MasterId == request.MasterId, cancellationToken);
if (boundFloor == null)
{
throw new RestException(HttpStatusCode.Unauthorized, new { Error = ErrorMessages.MasterIdDidNotBind });
}
if (request.Message != AlertMessage.Time)
{
var masterId = request.MasterId;
var floor = _context.Floors
.Include(f => f.Building)
.Include(f => f.Rooms)
.ThenInclude(x => x.Beds)
.SingleOrDefault(f => f.MasterId == masterId);
var building = floor.Building;
var bed = floor.Rooms.SelectMany(x => x.Beds).SingleOrDefault(b => b.SlaveNumber == request.SlaveNumber);
var room = bed.Room;
alert = await _context.Alerts.SingleOrDefaultAsync(
a => a.BedNumber == bed.Number &&
a.SlaveNumber == bed.SlaveNumber &&
(a.Message == AlertMessage.NormalCall || a.Message == AlertMessage.UrgencyCall), cancellationToken);
if (alert != null)
{
if (request.Message != AlertMessage.UrgencyCall && request.Message != AlertMessage.NormalCall)
{
alert.Status = AlertStatus.Reset;
}
}
else
{
alert = new Models.Alert
{
Id = Guid.NewGuid(),
Message = request.Message,
Description = request.Description,
BuildingId = building.Id,
BuildingName = building.Name,
FloorId = floor.Id,
FloorNumber = floor.Number,
FloorDescription = floor.Description,
RoomId = room.Id,
RoomName = room.Name,
RoomNumber = room.Number,
BedNumber = bed.Number,
MasterId = request.MasterId,
SlaveNumber = request.SlaveNumber,
AlertTime = request.AlertTime,
Status = AlertStatus.New
};
_context.Alerts.Add(alert);
}
await _context.SaveChangesAsync(cancellationToken);
var alertViewModel = alert.ToViewModel();
var result = new SaveResult
{
AlertId = alert.Id,
AlertTime = alert.AlertTime,
Description = alert.Description,
Status = SaveAlertStatus.Saved,
Message = alert.Status == AlertStatus.Reset?@"已重置报警信息":@"已添加报警信息"
};
return(new SaveResultEnvelope(alertViewModel, result));
}
return(new SaveResultEnvelope
{
Skipped = true
});
}
public SaveResultEnvelope(Alert alertViewModel, SaveResult result)
{
AlertViewModel = alertViewModel;
Result = result;
}