Exemple #1
0
 public HomeController(IMailDemonDatabaseProvider dbProvider, IMailCreator mailCreator, IMailSender mailSender,
                       IBulkMailSender bulkMailSender, IAuthority authority)
 {
     this.dbProvider     = dbProvider;
     this.mailCreator    = mailCreator ?? throw new ArgumentNullException(nameof(mailCreator));
     this.mailSender     = mailSender ?? throw new ArgumentNullException(nameof(mailSender));
     this.bulkMailSender = bulkMailSender;
     this.authority      = authority;
 }
 public GlobalExceptionHandler(
     IHostingEnvironment hostingEnvironment,
     IMailManager mailManager,
     IMailCreator mailCreator
     )
 {
     _hostingEnvironment = hostingEnvironment;
     _mailManager        = mailManager;
     _mailCreator        = mailCreator;
 }
Exemple #3
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        public async Task SendBulkMail(MailList list, IMailCreator mailCreator, IMailSender mailSender, ExpandoObject viewBag,
                                       bool all, string fullTemplateName, string unsubscribeUrl)
        {
            MailDemonLog.Warn("Started bulk send for {0}", fullTemplateName);

            DateTime    now          = DateTime.UtcNow;
            int         successCount = 0;
            int         failCount    = 0;
            List <Task> pendingTasks = new List <Task>();
            Stopwatch   timer        = Stopwatch.StartNew();

            using (var db = dbProvider.GetDatabase())
            {
                void callbackHandler(MailListSubscription _sub, string error)
                {
                    lock (db)
                    {
                        // although this is slow, it is required as we do not want to double email people in the event
                        // that server reboots, loses power, etc. for every message we have to mark that person
                        // with the correct status immediately
                        _sub.Result          = error;
                        _sub.ResultTimestamp = DateTime.UtcNow;
                        db.Update(_sub);
                        db.SaveChanges();
                        if (string.IsNullOrWhiteSpace(error))
                        {
                            successCount++;
                        }
                        else
                        {
                            failCount++;
                        }
                    }
                }

                // use a separate database instance to do the query, that way we can update records in our other database instance
                // preventing locking errors, especially with sqlite drivers
                MailDemonLog.Warn("Begin bulk send");
                using (var dbBulk = dbProvider.GetDatabase())
                {
                    IEnumerable <KeyValuePair <string, IEnumerable <MailListSubscription> > > pendingSubs = dbBulk.GetBulkEmailSubscriptions(list, unsubscribeUrl, all);
                    foreach (KeyValuePair <string, IEnumerable <MailListSubscription> > sub in pendingSubs)
                    {
                        now = DateTime.UtcNow;
                        try
                        {
                            IAsyncEnumerable <MailToSend> messagesToSend = GetMessages(sub.Value, mailCreator, list, viewBag, fullTemplateName, callbackHandler);
                            Task task = mailSender.SendMailAsync(sub.Key, messagesToSend);
                            pendingTasks.Add(task);
                        }
                        catch (Exception ex)
                        {
                            MailDemonLog.Error(ex);
                        }
                    }
                }

                await Task.WhenAll(pendingTasks);

                MailDemonLog.Warn("Finished bulk send for {0}, {1} messages succeeded, {2} messages failed in {3:0.00} seconds.", fullTemplateName, successCount, failCount, timer.Elapsed.TotalSeconds);
            }

            GC.Collect();
        }
Exemple #4
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 private async IAsyncEnumerable <MailToSend> GetMessages(IEnumerable <MailListSubscription> subs, IMailCreator mailCreator, MailList list,
                                                         ExpandoObject viewBag, string fullTemplateName, Action <MailListSubscription, string> callback)
 {
     foreach (MailListSubscription sub in subs)
     {
         MimeMessage message;
         try
         {
             message = await mailCreator.CreateMailAsync(fullTemplateName, sub, viewBag, null);
         }
         catch (Exception ex)
         {
             MailDemonLog.Error(ex);
             continue;
         }
         message.From.Clear();
         message.To.Clear();
         if (string.IsNullOrWhiteSpace(list.FromEmailName))
         {
             message.From.Add(MailboxAddress.Parse(list.FromEmailAddress));
         }
         else
         {
             message.From.Add(new MailboxAddress(list.FromEmailName, list.FromEmailAddress));
         }
         message.To.Add(MailboxAddress.Parse(sub.EmailAddress));
         yield return(new MailToSend {
             Subscription = sub, Message = message, Callback = callback
         });
     }
 }
Exemple #5
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 public ConnectionCreator(IMailCreator mailCreator) => _mailCreator = mailCreator;