/// <summary>
///
/// </summary>
public async Task <(int success, int failure)> DoMailErrorRecoveryAsync()
{
var _result = (success : 0, failure : 0);
using (var _ltctx = _contextFactory.CreateDbContext())
{
var _members = _ltctx.tb_lion_member
.Where(m => m.IsAlive == true && m.MailError == true)
.ToList();
foreach (var _member in _members)
{
try
{
_ltctx.Database.BeginTransaction();
var _verify = await _smtpDirect.VerifyMailServerConnection2Async(_mailSender.MailSenderAddress, _member.EmailAddress);
if (_verify.error_code == SmtpError.GENERIC_SUCCESS)
{
_logger.LogInformation($"[worker.purger] mail error recovered '{_member.EmailAddress}', {_verify.error_code}, {_verify.error_message}");
_member.MailError = false;
_result.success++;
}
else
{
_logger.LogInformation($"[worker.purger] mail error detected '{_member.EmailAddress}', {_verify.error_code}, {_verify.error_message}");
var _error_msgs = _verify.error_message.Split(' ');
if (_error_msgs.Length > 0 && _error_msgs[0] == "550")
{
_member.IsAlive = false;
}
_result.failure++;
}
_ltctx.SaveChanges();
_ltctx.Database.CommitTransaction();
}
catch
{
_ltctx.Database.RollbackTransaction();
_result.failure++;
}
}
}
return(_result);
}
public async Task <(SmtpError error_code, string error_message)> TestMailServerConnectionAsync(mMember member)
{
var _result = (error_code : SmtpError.GENERIC_SUCCESS, error_message : "");
try
{
var _verify = await __smtp_direct.VerifyMailServerConnection2Async(MailSenderAddress, member.EmailAddress);
if (_verify.error_code != SmtpError.GENERIC_SUCCESS)
{
member.MailError = true;
_result = _verify;
}
}
catch
{
member.MailError = true;
_result.error_code = SmtpError.CONNECT_ERROR;
}
return(_result);
}