/// <summary>
/// Initializes the application.
/// </summary>
public static async Task Initialize()
{
throw new InvalidOperationException();
#endif
Log.Debug("Initializing {0}", ApplicationInformation);
RegisterAnalytics();
Engine = new Engine();
Sensors = SensorPack.Create(Engine);
Recorder = new Recorder(Engine);
Sync = new SyncManager();
await UserLog.Initialize().ConfigureAwait(false);
UserLog.Add(string.Format(LogStrings.Started, Version));
await FileNaming.InitializeFileStructure().ConfigureAwait(false);
await DatabaseUtility.Initialize().ConfigureAwait(false);
_initialized = true;
}
/// <summary>
/// Runs the synchronization attempt.
/// Does not raise exceptions.
/// </summary>
public async Task <SyncResult> Synchronize(CancellationToken token, SyncPolicy policy = SyncPolicy.Default)
{
if (DateTime.UtcNow < NextUploadOpportunity && policy == SyncPolicy.Default)
{
Log.Debug("Can't sync: sync attempt too early, next upload scheduled after {0}", NextUploadOpportunity);
return(new SyncResult(new InvalidOperationException("Sync attempt too early")));
}
Settings.LastUploadAttempt = DateTime.UtcNow;
if (!CheckSyncConditions(policy))
{
return(new SyncResult(error: new InvalidOperationException("Sync conditions not met")));
}
Log.Debug("Sync attempt started (policy {0})", policy);
IsSyncing = true;
StatusChanged.Raise(this);
try {
var ret = await SynchronizeInner(token, policy);
Log.Debug("Sync process terminated normally");
Log.Event("Sync.terminate", new Dictionary <string, string>()
{
{ "policy", policy.ToString() }
});
if (ret.HasFailed)
{
UserLog.Add(UserLog.Icon.Error, LogStrings.FileUploadFailure, ret.Error.Message);
SyncError.Raise(this, new SyncErrorEventArgs(ret.Error));
}
else
{
if (ret.ChunksUploaded == 1)
{
UserLog.Add(LogStrings.FileUploadSummarySingular);
}
else
{
UserLog.Add(LogStrings.FileUploadSummaryPlural, ret.ChunksUploaded);
}
}
return(ret);
}
catch (TaskCanceledException) {
Log.Debug("Sync process was canceled");
return(new SyncResult(0, 0));
}
catch (Exception ex) {
Log.Error(ex, "Sync process failed with unforeseen error");
UserLog.Add(UserLog.Icon.Error, LogStrings.FileUploadFailure, ex.Message);
return(new SyncResult(error: ex));
}
finally {
IsSyncing = false;
StatusChanged.Raise(this);
}
}