public SyncDataViewModel()
{
try
{
_attachmentSourceFolder = Path.Combine(Settings.MobileFolder, "Attachments");
_attachmentOutFolder = Settings.AttachmentSyncFolder;
DateTime lastDownload = DataFileTracker.ReadLastDownloadSyncDate();
TimeSpan period = TimeSpan.FromMinutes(int.Parse(Settings.SyncFrequency));
Task.Run(() => ContinousSyncAsync(period));
if (DateTime.Now.Date > lastDownload.Date)
{
Task.Run(DailyDeltaSyncAsync);
}
else
{
_initialDownloadComplete = true;
}
}
catch (Exception e)
{
//Cannot log here because Log import not available
_startupErrorOccured = true;
_startupException = e;
}
}
public async void ExecuteManualSync()
{
try
{
Log.Debug("Manual Sync Started");
if (_isSynching)
{
Log.Debug("Already in sync process, skipping manual sync");
}
_isSynching = true;
//EventAggregator.GetEvent<NotifyEvent>().Publish(new NotifyEventArgs("Manual Sync Started"));
using (var gdbMonitor = await GeodatabaseMonitor.CreateAsync(Log, EventAggregator, false))
{
await SyncDataAsync(gdbMonitor.BidirectionalGeodatabases, SyncDirection.Upload);
await SyncDataAsync(gdbMonitor.BidirectionalGeodatabases, SyncDirection.Download);
}
_isSynching = false;
await DeltasSyncAsync();
DataFileTracker.UpdateLastDownloadSyncDate();
Log.Debug("Manual Sync Completed");
//EventAggregator.GetEvent<TableChangedEvent>().Publish(TableChangedEventArgs.Empty);
}
catch (Exception e)
{
Log.Error("Something went wrong....", e);
}
}
private async Task <IEnumerable <string> > GetDeltaFileNamesAsync()
{
DateTime lastDownload = DataFileTracker.ReadLastDownloadSyncDate();
string dateQuery = $"{lastDownload.Year}{lastDownload.Month:00}{lastDownload.Day:00}";
string downloadUrl = $"{Constants.Settings.WebApiUrl}/api/deltas/{dateQuery}?f=json";
HttpClient client = new HttpClient();
string json = await client.GetStringAsync(downloadUrl);
var jObject = (JObject)JsonConvert.DeserializeObject(json);
var array = (JArray)jObject["files"];
var filenames = array.Select(s => s.ToString()).ToArray();
Log.Debug($"Found {filenames.Length} requiring download");
return(filenames);
}
