ayanova7/source/bizobjects/AyaLib/GZTW.AyaNova.BLL/GenProcessClientNotifications.cs

using System;
using System.Threading;
using CSLA.Security;
using Chilkat;

namespace GZTW.AyaNova.BLL
{
	/// <summary>
	/// Process client notification list and
	/// deliver appropriately
	/// </summary>
	public class GenProcessClientNotifications
	{
		private GenProcessClientNotifications()
		{
			//
			// TODO: Add constructor logic here
			//
		}

        /// <summary>
        /// Compile a list of all pending Client notifications and deliver them
        /// </summary>
		public static void DeliverNotifications()
		{
            //case 1904
            if (!AyaBizUtils.GlobalSettings.UseNotification) return;

            //case 1904 moved up here for early exit if nothing to process to avoid
            //probing possibly not set up smtp server
            ClientNotificationList nl = ClientNotificationList.GetList();
            if (nl.Count == 0) return;

            NotifyDeliveryLog.LogSMTPDeliveryMessage("Found " + nl.Count.ToString() + " Client notification messages awaiting delivery");

            // Create a mailman object for sending email.
            MailMan mailman = new MailMan();
            mailman.UnlockComponent("SAyanovaMAILQ_46WCmUg3lQ1i");
            // Set the SMTP variables
            mailman.SmtpHost = GZTW.AyaNova.BLL.AyaBizUtils.GlobalSettings.NotifySMTPHostPortionOnly;           
            mailman.SmtpPort = GZTW.AyaNova.BLL.AyaBizUtils.GlobalSettings.NotifySMTPPort;
            //case 1136
            if (GZTW.AyaNova.BLL.AyaBizUtils.GlobalSettings.NotifySMTPUseSSL)
                mailman.SmtpSsl = true;
            if (GZTW.AyaNova.BLL.AyaBizUtils.GlobalSettings.NotifySMTPUseTLS)
                mailman.StartTLS = true;

            mailman.SmtpUsername = GZTW.AyaNova.BLL.AyaBizUtils.GlobalSettings.NotifySMTPAccount;
            mailman.SmtpPassword = GZTW.AyaNova.BLL.AyaBizUtils.GlobalSettings.NotifySMTPPassword;
           
            //case 1382
            //if can't use smtp server then log and conditionally abort
            if (!mailman.SmtpNoop())
            {
                //case 1608
                NotifyDeliveryLog.LogSMTPConnectFailure("Code:" + mailman.LastSmtpStatus.ToString() + "\r\n" + mailman.LastErrorText);

                //If retry then don't proceed or notifications will be deleted
                if(AyaBizUtils.GlobalSettings.SMTPRetry)
                    return;
            }

            //case 3808 prevent dupes in single delivery tranche
            //If this doesn't prevent it, it means it's duping in separate runs of this method
            // so would need an external static location to store a limited number of dupes in some kind of
            //queue, probably in ayabizutils with everything else
            System.Collections.Generic.List<string> Hashes = new System.Collections.Generic.List<string>();
			
            foreach (ClientNotificationList.ClientNotificationListInfo info in nl)
            {
                try
                {
                    //reload email from stored mime
                    ClientNotifyEvent n = ClientNotifyEvent.GetItem(info.mID);
                    string[] sMessageFields = n.GetContentAsString.Split('|');
                    int nFieldCount = sMessageFields.GetLength(0);
                    if (nFieldCount < 5 || sMessageFields[0] != "CLIENTNOTIFYEVENT")
                    {
                        NotifyDeliveryLog.LogClientDelivery(n.ClientID, false, "Invalid event data: " + n.GetContentAsString);
                        ClientNotifyEvent.DeleteItem(n.ID);
                        continue;
                    }
                    
                    
                    Chilkat.Email email = new Chilkat.Email();
                   
                    //email.SetFromMimeText(n.GetContentAsString);
                    email.Mailer = "AyaNova service management software licensed to " + AyaBizUtils.REGTO;
                    email.Body = sMessageFields[1];
                    email.Subject = sMessageFields[2]; 
                    
                    //case 1601
                    string ToAddress = sMessageFields[3];

                    //case 3808
                    string NotifySummary =string.Empty;
                    NotifySummary = ToAddress + "|" + email.Subject;
                    if (nFieldCount > 4)
                    {
                        NotifySummary += "|woid:" + sMessageFields[5];
                    }
                    if (nFieldCount > 5)
                    {
                        NotifySummary += "|woid:" + sMessageFields[5];
                    }

                    NotifyDeliveryLog.LogSMTPDeliveryMessage("Preparing to send client notification: " + NotifySummary);


                    if (ToAddress.Contains(";")) ToAddress = ToAddress.Replace(";", ",");

                    if (ToAddress.Contains(","))
                        email.AddMultipleTo(ToAddress);
                    else
                        email.AddTo("", ToAddress);

                    email.From = sMessageFields[4];

                    if (nFieldCount > 5)
                    {
                        string sWOID = sMessageFields[5];
                        if (!string.IsNullOrEmpty(sWOID))
                        {
                            NotifySummary += "|woid:" + sWOID;//case 3808

                            Guid woid = new Guid(sWOID);
                            //attach a workorder
                            Report r = Report.GetItem(new Guid(sMessageFields[6]));
                            object o = null;
                            if (r.ReportKey == "WorkorderServiceList")
                                o = WorkorderServiceList.GetListForSingleItem(woid);
                            else if (r.ReportKey == "WorkorderServiceDetailed")
                                o = WorkorderServiceDetailedReportData.GetItem(woid);
                            else if (r.ReportKey == "WorkorderQuoteList")
                                o = WorkorderQuoteList.GetListForSingleItem(woid);
                            else if (r.ReportKey == "WorkorderQuoteDetailed")
                                o = WorkorderQuoteDetailedReportData.GetItem(woid);

                            NotifySummary += "|reportkey:" + r.ReportKey + "|reportid:"+sMessageFields[6];//case 3808

                            //ms.toarray = byte array from memory stream
                            
                            email.AddDataAttachment(DateTime.Now.ToString("yyyy_MM_dd_HH_mm") + ".pdf", ReportGenerator.GetReportAsPDF(r, o).ToArray());

                        }
                    }

                    //case 3808
                    var hash = CheckSum(email.Body + NotifySummary);
                   
                    NotifySummary += "|hash:" + hash;

                    if (!Hashes.Contains(hash))
                    {
                        Hashes.Add(hash);                        
                    }
                    else
                    {
                        NotifyDeliveryLog.LogSMTPDeliveryMessage("Skipping duplicate: " + NotifySummary);
                        ClientNotifyEvent.DeleteItem(n.ID);
                        continue;
                    }

                    NotifyDeliveryLog.LogSMTPDeliveryMessage("Delivering: " + NotifySummary);
                    // Send mail.
                    bool success;
                    success = mailman.SendEmail(email);
                    if (success)
                    {
                        NotifyDeliveryLog.LogClientDelivery(n.ClientID,true,"");
                        ClientNotifyEvent.DeleteItem(n.ID);
                    }
                    else
                    {
                        NotifyDeliveryLog.LogClientDelivery(n.ClientID,false, mailman.LastErrorText);
                        //Added this late, I'm thinking if it fails they will get the log and 
                        //be able to fix the problem easily but if it stays in the queue there will be no way
                        //for them to delete it

                        //A better way would be to delete after x failed deliveries
                        ClientNotifyEvent.DeleteItem(n.ID);
                    }
                }
                catch 
                {
                }
            }
			

		}

        public static string CheckSum(string input)
        {
            string hash = string.Empty;
            using (System.Security.Cryptography.MD5 md5 = System.Security.Cryptography.MD5.Create())
            {
                hash = BitConverter.ToString(
                  md5.ComputeHash(System.Text.Encoding.UTF8.GetBytes(input))
                ).Replace("-", String.Empty);
            }
            return hash;
        }

	
		//=================================

		
	}
}