|
public static EventFromString ( string s ) : |
||
| s | string | Comma separated string representing a HistoryEvent. |
| return | ||
public async Task SetEventsAsDelivered(IList <HistoryEvent> sendEvents)
{
{
StorageFolder folder = await GetFolder(BackgroundEventsFolder, true);
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;
}
await storageFolder.DeleteAsync();
}
}
await ForegroundHistoryEventWriter.RewriteFile((l, l2) =>
{
foreach (string s in l)
{
HistoryEvent e = FileStorageHelper.EventFromString(s);
if (!sendEvents.Contains(e))
{
l2.Add(s);
}
}
});
}
private async Task <IList <HistoryEvent> > GetUndeliveredEvents(bool lockFolder)
{
IList <HistoryEvent> events = new List <HistoryEvent>();
{
StorageFolder folder = await GetFolder(BackgroundEventsFolder);
if (lockFolder)
{
await CreateEventMarker(folder);
}
IReadOnlyList <StorageFolder> folders = await(await folder.GetParentAsync()).GetFoldersAsync();
foreach (StorageFolder storageFolder in folders)
{
IReadOnlyList <StorageFile> files = await storageFolder.GetFilesAsync();
//when no lock ignore unlocked folders
if (!lockFolder && files.FirstOrDefault(f => f.Name == FolderLockFile) == null)
{
continue;
}
foreach (StorageFile file in files)
{
if (file.Name == FolderLockFile)
{
continue;
}
List <HistoryEvent> fileEvents = FileStorageHelper.EventsFromStrings(await FileIO.ReadLinesAsync(file));
if (fileEvents != null)
{
foreach (HistoryEvent historyEvent in fileEvents)
{
if (!historyEvent.Delivered)
{
events.Add(historyEvent);
}
}
}
}
}
}
if (ForegroundHistoryEventWriter != null)
{
List <string> list = await ForegroundHistoryEventWriter.ReadLines();
foreach (string s in list)
{
HistoryEvent historyEvent = FileStorageHelper.EventFromString(s);
if (historyEvent != null && !historyEvent.Delivered)
{
events.Add(historyEvent);
}
}
}
return(events);
}
