void IStreamStatusContext.TransitionToPossiblyOff()
{
_currentStatus = _possiblyOffStatus;
_latestStreamOffTime = _timeService.UtcNow;
_unitOfWork.Command(u => {
u.StateIntegers.StreamStatus = StreamStatus.PossiblyOff;
u.StateIntegers.LatestStreamOffTime = _latestStreamOffTime;
});
}
void IStreamStatusContext.TransitionToOn(bool updateLatestStreamOnTime)
{
_currentStatus = _onStatus;
if (updateLatestStreamOnTime)
{
_latestStreamOnTime = _timeService.UtcNow;
_unitOfWork.Command(u => {
u.StateIntegers.StreamStatus = StreamStatus.On;
u.StateIntegers.LatestStreamOnTime = _latestStreamOnTime;
});
}
else
{
_unitOfWork.Command(u => u.StateIntegers.StreamStatus = StreamStatus.On);
}
}
public StreamStateService(
IQueryCommandService <IUnitOfWork> unitOfWork,
ITimeService timeService,
IDownloadMapper downloadMapper,
ISettings settings
)
{
_unitOfWork = unitOfWork;
_timeService = timeService;
_downloadMapper = downloadMapper;
_onStatus = new OnStatus(this);
_offStatus = new OffStatus(this);
_possiblyOffStatus = new PossiblyOffStatus(this, _unitOfWork, _timeService, settings);
var initialStatus = unitOfWork.Query(u => u.StateIntegers.StreamStatus);
_latestStreamOnTime = unitOfWork.Query(u => u.StateIntegers.LatestStreamOnTime);
_latestStreamOffTime = unitOfWork.Query(u => u.StateIntegers.LatestStreamOffTime);
switch (initialStatus)
{
case StreamStatus.On:
_currentStatus = _onStatus;
break;
case StreamStatus.Off:
_currentStatus = _offStatus;
break;
case StreamStatus.PossiblyOff:
_currentStatus = _possiblyOffStatus;
break;
default:
throw new NotSupportedException($"The stream status {initialStatus} is not registered");
}
}
void IStreamStatusContext.TransitionToOff()
{
_currentStatus = _offStatus;
_unitOfWork.Command(u => u.StateIntegers.StreamStatus = StreamStatus.Off);
}