public async Task CleanDatabase()
{
try
{
if (ForegroundHistoryActionWriter != null)
{
await ForegroundHistoryActionWriter.Clear();
}
if (ForegroundHistoryEventWriter != null)
{
await ForegroundHistoryEventWriter.Clear();
}
StorageFolder folder = ApplicationData.Current.LocalFolder;
StorageFolder root = await folder.CreateFolderAsync(RootFolder, CreationCollisionOption.OpenIfExists);
await root.DeleteAsync();
}
catch (SEHException)
{
}
catch (FileNotFoundException)
{
}
await InitStorage();
}
public async Task <bool> SaveHistoryAction(HistoryAction action)
{
try
{
action.Background = Background;
string actionToString = FileStorageHelper.ActionToString(action);
if (Background)
{
StorageFolder folder = await GetFolder(Background?BackgroundActionsFolder : ForegroundActionsFolder);
StorageFile file = await folder.CreateFileAsync(ActionsFileName, CreationCollisionOption.OpenIfExists);
return(await RetryAppending(file, actionToString));
}
else
{
await ForegroundHistoryActionWriter.WriteLine(actionToString);
return(true);
}
}
catch (Exception e)
{
Logger.Error("Error writing HistoryAction", e);
}
return(false);
}
public async Task SetActionsAsDelivered(IList <HistoryAction> sendActions)
{
StorageFolder folder = await GetFolder(BackgroundActionsFolder, true);
StorageFile deliveredActionsFile = await folder.CreateFileAsync(ActionsFileName, CreationCollisionOption.OpenIfExists);
IReadOnlyList <StorageFolder> folders = await folder.GetFoldersAsync();
foreach (StorageFolder storageFolder in folders)
{
IReadOnlyList <StorageFile> files = await storageFolder.GetFilesAsync();
//ignore unlocked folders
if (files.FirstOrDefault(f => f.Name == FolderLockFile) == null)
{
continue;
}
StorageFile actionFile = files.FirstOrDefault(f => f.Name == ActionsFileName);
if (actionFile != null)
{
List <HistoryAction> actions = FileStorageHelper.ActionsFromStrings(await FileIO.ReadLinesAsync(actionFile));
List <string> stringActions = new List <string>();
foreach (HistoryAction historyAction in actions)
{
historyAction.Delivered = true;
stringActions.Add(FileStorageHelper.ActionToString(historyAction));
}
await FileIO.AppendLinesAsync(deliveredActionsFile, stringActions);
}
await storageFolder.DeleteAsync();
}
if (ForegroundHistoryActionWriter != null)
{
await ForegroundHistoryActionWriter.RewriteFile((l, l2) =>
{
foreach (string s in l)
{
HistoryAction action = FileStorageHelper.ActionFromString(s);
if (!sendActions.Contains(action))
{
l2.Add(s);
}
}
});
}
}
private async Task <IList <HistoryAction> > GetActions(bool lockFolder)
{
IList <HistoryAction> actions = new List <HistoryAction>();
StorageFolder folder = await GetFolder(BackgroundActionsFolder);
if (lockFolder)
{
await CreateEventMarker(folder);
}
StorageFolder parentFolder = await folder.GetParentAsync();
IReadOnlyList <StorageFolder> folders = await parentFolder.GetFoldersAsync();
foreach (StorageFolder storageFolder in folders)
{
try
{
IReadOnlyList <StorageFile> files = await storageFolder.GetFilesAsync();
StorageFile first = null;
foreach (var f in files)
{
if (f.Name == ActionsFileName)
{
first = f;
break;
}
}
if (first != null)
{
List <HistoryAction> fileActions = FileStorageHelper.ActionsFromStrings(await FileIO.ReadLinesAsync(first));
if (fileActions != null)
{
foreach (HistoryAction historyAction in fileActions)
{
actions.Add(historyAction);
}
}
}
}
catch (SEHException)
{
}
catch (FileNotFoundException)
{
}
}
if (ForegroundHistoryActionWriter != null)
{
List <HistoryAction> foreGroundfileActions = FileStorageHelper.ActionsFromStrings(await ForegroundHistoryActionWriter.ReadLines());
if (foreGroundfileActions != null)
{
foreach (HistoryAction historyAction in foreGroundfileActions)
{
actions.Add(historyAction);
}
}
}
return(actions);
}
public async Task CleanupDatabase()
{
string minDateTime = DateTime.Now.AddDays(-1).ToString(History.Timeformat);
{
StorageFolder folder = await GetFolder(BackgroundActionsFolder, true);
IReadOnlyList <IStorageItem> folders = await folder.GetItemsAsync();
foreach (IStorageItem storageItem in folders)
{
try
{
if (storageItem.IsOfType(StorageItemTypes.Folder))
{
StorageFolder storageFolder = (StorageFolder)storageItem;
IReadOnlyList <StorageFile> files = await storageFolder.GetFilesAsync();
foreach (var f in files)
{
if (f.Name == ActionsFileName)
{
List <HistoryAction> fileActions = FileStorageHelper.ActionsFromStrings(await FileIO.ReadLinesAsync(f));
if (fileActions.All(a => a.Delivered && a.ActionTime.CompareTo(minDateTime) < 0))
{
await f.DeleteAsync();
break;
}
}
}
if ((await storageFolder.GetFilesAsync()).Count == 0)
{
await storageFolder.DeleteAsync();
}
}
else
{
if (storageItem.Name == ActionsFileName)
{
StorageFile storageFile = (StorageFile)storageItem;
List <HistoryAction> fileActions = FileStorageHelper.ActionsFromStrings(await FileIO.ReadLinesAsync(storageFile));
if (fileActions.RemoveAll(a => a.Delivered && a.ActionTime.CompareTo(minDateTime) < 0) > 0)
{
await RetryWriting(storageFile, FileStorageHelper.ActionsToString(fileActions));
}
}
}
}
catch (SEHException)
{
}
catch (FileNotFoundException)
{
}
}
}
await ForegroundHistoryActionWriter.RewriteFile((lines, linesToWrite) =>
{
List <HistoryAction> fileActions = FileStorageHelper.ActionsFromStrings(lines);
fileActions.RemoveAll(a => a.Delivered && a.ActionTime.CompareTo(minDateTime) < 0);
foreach (HistoryAction historyAction in fileActions)
{
linesToWrite.Add(FileStorageHelper.ActionToString(historyAction));
}
});
//Events are deleted when delivered so no cleanup need
}
