public void Apply(SnapshotItem item)
{
Execute.BeginOnThreadPool(() =>
{
var snapshotDirectoryName = item.Name;
var snapshotDirectoryFullName = Path.Combine(Constants.SnapshotsDirectoryName, snapshotDirectoryName);
var stateFullFileName = Path.Combine(snapshotDirectoryFullName, Telegram.Api.Constants.StateFileName);
try
{
_updateService.LoadStateSnapshot(snapshotDirectoryFullName);
_cacheService.LoadSnapshot(snapshotDirectoryFullName);
var currentState = _updateService.GetState();
State = currentState;
NotifyOfPropertyChange(() => State);
Difference = TLUtils.OpenObjectFromMTProtoFile <TLVector <TLDifferenceBase> >(new object(), Telegram.Api.Constants.DifferenceFileName);
NotifyOfPropertyChange(() => Difference);
_eventAggregator.Publish(new UpdateCompletedEventArgs());
Execute.ShowDebugMessage("Snapshot has been successfully applied");
}
catch (Exception ex)
{
}
});
}
public SnapshotsViewModel(ICacheService cacheService, IUpdatesService updateService, ITelegramEventAggregator eventAggregator)
{
Items = new ObservableCollection <SnapshotItem>();
_cacheService = cacheService;
_updateService = updateService;
_eventAggregator = eventAggregator;
Execute.BeginOnThreadPool(() =>
{
try
{
var currentState = _updateService.GetState();
State = currentState;
NotifyOfPropertyChange(() => State);
var tempDifference = TLUtils.OpenObjectFromMTProtoFile <TLVector <TLDifferenceBase> >(new object(), Telegram.Api.Constants.DifferenceFileName);
Difference = tempDifference;
NotifyOfPropertyChange(() => Difference);
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
if (store.DirectoryExists(Constants.SnapshotsDirectoryName))
{
foreach (var directory in store.GetDirectoryNames(Constants.SnapshotsDirectoryName + "/*"))
{
var item = new SnapshotItem {
Name = directory
};
var stateFullFileName = Path.Combine(Path.Combine(Constants.SnapshotsDirectoryName, directory), Telegram.Api.Constants.StateFileName);
if (store.FileExists(stateFullFileName))
{
var state = TLUtils.OpenObjectFromMTProtoFile <TLState>(new object(), stateFullFileName);
item.State = state;
}
var differenceFullFileName = Path.Combine(Path.Combine(Constants.SnapshotsDirectoryName, directory), Telegram.Api.Constants.DifferenceFileName);
if (store.FileExists(differenceFullFileName))
{
long length;
var difference = TLUtils.OpenObjectFromMTProtoFile <TLVector <TLDifferenceBase> >(new object(), differenceFullFileName, out length);
item.Difference = difference;
item.DifferenceLength = length;
}
Execute.BeginOnUIThread(() => Items.Add(item));
}
}
}
}
catch (Exception ex)
{
}
});
}
public void Delete(SnapshotItem item)
{
Execute.BeginOnThreadPool(() =>
{
var deletingSnapshotDirectoryName = item.Name;
var deletingSnapshotDirectoryFullName = Path.Combine(Constants.SnapshotsDirectoryName, deletingSnapshotDirectoryName);
DeleteDirectory(deletingSnapshotDirectoryFullName);
Execute.BeginOnUIThread(() => Items.Remove(item));
});
}