public IList <Frame> GetFrames(Damany.Util.DateTimeRange range)
{
var dtos = dataProvider.GetFrames(range);
var frames = dtos.ToList().ConvertAll(dto => Mapper.Map <DAL.DTO.Frame, Frame>(dto));
return(frames);
}
public IList <Portrait> GetPortraits(Damany.Util.DateTimeRange range)
{
var dtos = dataProvider.GetPortraits(range);
var portraits = dtos.ToList().ConvertAll(dto => Mapper.Map <DAL.DTO.Portrait, Portrait>(dto));
return(portraits);
}
private static void DeleteOutdatedPortrait(Damany.Util.DateTimeRange range, UnitOfWork uow)
{
var cs = string.Format("CaptureTime >= '{0}' And CaptureTime < '{1}'", range.From, range.To);
var c = DevExpress.Data.Filtering.CriteriaOperator.Parse(cs);
var portraits = new XPCollection <Damany.PortraitCapturer.DAL.DTO.Portrait>(uow, c);
uow.Delete(portraits);
}
public IList <DTO.Frame> GetFrames(Damany.Util.DateTimeRange range)
{
using (var container = OpenContainer())
{
return(container.Query <DTO.Frame>(frame => {
return frame.CapturedAt >= range.From && frame.CapturedAt <= range.To;
}));
}
}
public IList <DTO.Portrait> GetPortraits(Damany.Util.DateTimeRange range)
{
using (var container = OpenContainer())
{
return(container.Query <DTO.Portrait>(portrait =>
{
return portrait.CapturedAt >= range.From && portrait.CapturedAt <= range.To;
}));
}
}
public IList <DTO.Portrait> GetPortraits(int cameraId, Damany.Util.DateTimeRange range)
{
var container = OpenContainer();
var portraitQuery = from DTO.Portrait p in container
where p.CapturedAt >= range.From && p.CapturedAt <= range.To
select p;
if (cameraId != -1)
{
portraitQuery = from p in portraitQuery
where p.SourceId == cameraId
select p;
}
return(portraitQuery.ToList());
}
private void DeleteData()
{
while (ShouldDoCleaning())
{
using (var uow = new UnitOfWork())
{
var videoQuery = new XPQuery <Damany.PortraitCapturer.DAL.DTO.Video>(uow);
var oldestVideo = (from v in videoQuery
orderby v.CaptureTime ascending
select v).FirstOrDefault();
var portraitQuery = new XPQuery <Damany.PortraitCapturer.DAL.DTO.Portrait>(uow);
var oldestPortrait = (from p in portraitQuery
orderby p.CaptureTime ascending
select p).FirstOrDefault();
var oldest = DateTime.MaxValue;
if (oldestVideo != null)
{
if (oldestVideo.CaptureTime <= oldest)
{
oldest = oldestVideo.CaptureTime;
}
}
if (oldestPortrait != null)
{
if (oldestPortrait.CaptureTime <= oldest)
{
oldest = oldestPortrait.CaptureTime;
}
}
if (oldest != DateTime.MaxValue)
{
var range = new Damany.Util.DateTimeRange(oldest.Date, oldest.Date.AddDays(1));
DeleteOutdatedPortrait(range, uow);
DeleteOutdatedFrame(range, uow);
DeleteOutdatedVideos(range, uow);
}
uow.CommitChanges();
uow.PurgeDeletedObjects();
}
}
}
public IList <DTO.Frame> GetFrames(int cameraId, Damany.Util.DateTimeRange range)
{
var container = OpenContainer();
var frames = container.Query <DTO.Frame>(frame =>
{
bool flag = frame.CapturedAt >= range.From && frame.CapturedAt <= range.To;
if (cameraId != -1)
{
flag = flag && frame.SourceId == cameraId;
}
return(flag);
});
return(frames);
}
private void DeleteData()
{
while (ShouldDoCleaning())
{
using (var uow = new UnitOfWork())
{
var videoQuery = new XPQuery<Damany.PortraitCapturer.DAL.DTO.Video>(uow);
var oldestVideo = (from v in videoQuery
orderby v.CaptureTime ascending
select v).FirstOrDefault();
var portraitQuery = new XPQuery<Damany.PortraitCapturer.DAL.DTO.Portrait>(uow);
var oldestPortrait = (from p in portraitQuery
orderby p.CaptureTime ascending
select p).FirstOrDefault();
var oldest = DateTime.MaxValue;
if (oldestVideo != null)
{
if (oldestVideo.CaptureTime <= oldest)
{
oldest = oldestVideo.CaptureTime;
}
}
if (oldestPortrait != null)
{
if (oldestPortrait.CaptureTime <= oldest)
{
oldest = oldestPortrait.CaptureTime;
}
}
if (oldest != DateTime.MaxValue)
{
var range = new Damany.Util.DateTimeRange(oldest.Date, oldest.Date.AddDays(1));
DeleteOutdatedPortrait(range, uow);
DeleteOutdatedFrame(range, uow);
DeleteOutdatedVideos(range, uow);
}
uow.CommitChanges();
uow.PurgeDeletedObjects();
}
}
}
public void Search()
{
this.range = this.screen.TimeRange;
selectedCamera = screen.SelectedCamera;
if (selectedCamera == null)
{
return;
}
Action disableUI = delegate
{
EnableScreen(false);
this.screen.ShowStatus("开始搜索");
this.screen.IsBusy = true;
};
Action enableUI = delegate
{
EnableScreen(true);
this.screen.ShowStatus("搜索完毕");
this.screen.IsBusy = false;
};
this.DoActionsAsync(disableUI, enableUI,
(Action)SearchInternal,
(Action)CalculatePaging,
(Action)ShowCurrentPage);
}
