private void ReadPackageQueueI()
{
string packageQueueString;
if (_deviceUtil.TryTakeValue(PackageQueueStorageName, out packageQueueString))
{
_packageQueue = new List <ActivityPackage>();
List <string> packageQueueStringList =
JsonConvert.DeserializeObject <List <string> >(packageQueueString);
foreach (var activityPackageMapString in packageQueueStringList)
{
var activityPackageMap =
JsonConvert.DeserializeObject <Dictionary <string, string> >(activityPackageMapString);
var activityPackage = ActivityPackage.FromDictionary(activityPackageMap);
_packageQueue.Add(activityPackage);
}
}
else
{
var packageQueueLegacyFile = _deviceUtil.GetLegacyStorageFile(PackageQueueLegacyFilename).Result;
// if package queue is not found, try to read it from the legacy file
_packageQueue = Util.DeserializeFromFileAsync(
file: packageQueueLegacyFile,
objectReader: ActivityPackage.DeserializeListFromStreamLegacy, // deserialize function from Stream to List of ActivityPackage
defaultReturn: () => null, // default value in case of error
objectName: PackageQueueLegacyName) // package queue name
.Result;
// if it's successfully read from legacy source, store it using new persistance
// and then delete the old file
if (_packageQueue != null)
{
_logger.Info("Legacy PackageQueue File found and successfully read.");
WritePackageQueueI();
if (_deviceUtil.TryTakeValue(PackageQueueStorageName, out packageQueueString))
{
packageQueueLegacyFile.DeleteAsync();
_logger.Info("Legacy PackageQueue File deleted.");
}
}
}
if (_packageQueue != null)
{
_logger.Debug("Package handler read {0} packages", _packageQueue.Count);
}
else
{
_packageQueue = new List <ActivityPackage>();
}
}
