public async Task StartFilterAsync(CancellationToken cancellationToken)
{
var emails = new List <EmailContent>();
var validationHistories = new List <ValidationHistory>();
while (true)
{
var isEmpty = _emailContentQueue.IsEmpty;
if (!isEmpty)
{
EmailContent email;
var result = _emailContentQueue.TryDequeue(out email);
if (result && email != null)
{
// Get FilterResults from filters
var filterResults = Filters.Select(s => s.CheckMail(email)).ToList();
email.Status = filterResults.Any(s => s.Status == EmailStatus.Violated)
? EmailStatus.Violated
: EmailStatus.NotViolated;
// Add email to the template list
emails.Add(email);
// Generate ValidationHistory Object
var validationHistory = GetValidationHistory(email, filterResults);
// Add ValidationHistory to the template list
validationHistories.Add(validationHistory);
// Update working list
DequeueProgress.Report(email);
}
}
// If queue is empty or there are 100 emails in the queue => Save data into the storage
if (isEmpty || emails.Count >= 100)
{
await _mailRepository.SaveCheckedEmailsAsync(emails);
await _validationHistoryRepository.AddRangeAsync(validationHistories);
emails.Clear();
validationHistories.Clear();
if (isEmpty)
{
await Task.Delay(1000, cancellationToken);
}
if (cancellationToken.IsCancellationRequested)
{
return;
}
}
}
}