private ISaveFileProgression applyFile(MasterDTO dto, SaveFileProgression progression)
{
Observable.Start(() =>
{
try
{
_directoryDataService.Clear();
_fileDataService.Clear();
fileItemLinkService.Clear();
_itemService.Clear();
var dir = _directoryDataService.Set(dto.Directories.Select(dto => dto.ToEntity()), RxApp.TaskpoolScheduler);
dir.Title = "loading directories";
progression.DirectoryTaskState = dir;
progression.DirectoryTaskState.DoneChanges.Subscribe(
dirState =>
{
if (dirState != TaskState.Done)
{
return;
}
var file = _fileDataService.Set(dto.Files.Select(dto => dto.ToEntity()), RxApp.TaskpoolScheduler, settingsService.LoadingPatchSize);
file.Title = "loading files";
progression.FileTaskState = file;
progression.FileTaskState.DoneChanges.Subscribe(fileState =>
{
if (fileState != TaskState.Done)
{
return;
}
var link = fileItemLinkService.Set(dto.FileItemLinks.Select(dto => dto.ToEntity()), RxApp.TaskpoolScheduler);
link.Title = "loading links";
progression.LinkTaskState = link;
progression.LinkTaskState.DoneChanges.Subscribe(linkState =>
{
if (linkState != TaskState.Done)
{
return;
}
var item = _itemService.Set(dto.Items.Select(dto => dto.ToEntity()));
item.Title = "loading links";
progression.ItemTaskState = item;
progression.ItemTaskState.DoneChanges.Subscribe(itemState =>
{
if (itemState != TaskState.Done)
{
return;
}
});
});
});
});
}
catch (Exception ex)
{
progression.OnError(ex);
}
}, Scheduler.Default);
return(progression);
}
public ISaveFileProgression Load(string file)
{
var progression = new SaveFileProgression();
try
{
Observable.Start(() => loadFile(file))
.Subscribe(dto => applyFile(dto, progression));
}
catch (Exception ex)
{
progression.OnError(ex);
}
return(progression);
}