private async Task <PackageMonitoringStatus> GetPackageAsync(CatalogStorage storage, Uri packageUri, CancellationToken token)
{
try
{
var content = await storage.LoadAsync(packageUri, token);
string statusString = null;
using (var stream = content.GetContentStream())
{
using (var reader = new StreamReader(stream))
{
statusString = await reader.ReadToEndAsync();
}
}
var status = JsonConvert.DeserializeObject <PackageMonitoringStatus>(statusString, JsonSerializerUtility.SerializerSettings);
status.AccessCondition = PackageMonitoringStatusAccessConditionHelper.FromContent(content);
return(status);
}
catch (Exception deserializationException)
{
_logger.LogWarning(
LogEvents.StatusDeserializationFailure,
deserializationException,
"Unable to deserialize package status from {PackageUri}!",
packageUri);
try
{
/// Construct a <see cref="PackageMonitoringStatus"/> from the <see cref="Uri"/> with this as the exception.
return(new PackageMonitoringStatus(ParsePackageUri(packageUri), new StatusDeserializationException(deserializationException)));
}
catch (Exception uriParsingException)
{
_logger.LogError(
LogEvents.StatusDeserializationFatalFailure,
new AggregateException(deserializationException, uriParsingException),
"Unable to get package id and version from {PackageUri}!",
packageUri);
return(null);
}
}
}
protected override Task <StorageContent> OnLoadAsync(Uri resourceUri, CancellationToken cancellationToken)
{
return(_primaryStorage.LoadAsync(resourceUri, cancellationToken));
}