protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
bool failed = FailedUploads.Any();
if (failed)
{
await TryToUploadFailed();
}
}
}
private bool UploadAction(string filePath)
{
var uploadParams = new ImageUploadParams
{
File = new FileDescription(filePath),
Colors = true,
Backup = true,
AccessMode = "public",
UseFilename = true
};
var result = _cloudinary.Upload(uploadParams);
if (result.Error != null)
{
FailedUploads.Enqueue(filePath);
_logger.LogWarning($"Upload failed for {filePath} at {DateTime.Now.ToLongDateString()}");
return(false);
}
UploadedImages.Add(filePath);
PhotosUrls.Add(result.SecureUri.AbsoluteUri);
_logger.LogInformation($"Image with id: {result.PublicId} was uploaded at {DateTime.Now.ToLongDateString()} with accesible url: {result.SecureUri.AbsoluteUri}");
return(true);
}
private async Task TryToUploadFailed()
{
await Task.Run(async() =>
{
while (FailedUploads.Any())
{
FailedUploads.TryDequeue(out string current);
var success = UploadAction(current);
if (success)
{
_logger.LogInformation($"Uploaded {current} at {DateTime.Now.ToLongDateString()} from failed uploads");
File.Delete(current);
}
else
{
FailedUploads.Enqueue(current);
}
}
await Task.CompletedTask;
});
// awaiting 5 mins before we try again
Thread.Sleep(DelayAwait);
}
