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

@@ -31,6 +31,8 @@ namespace GZTW.AyaNova.BLL
             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");
@@ -57,8 +59,12 @@ namespace GZTW.AyaNova.BLL
                 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)
             {
@@ -86,6 +92,21 @@ namespace GZTW.AyaNova.BLL
                     //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(","))
@@ -100,6 +121,8 @@ namespace GZTW.AyaNova.BLL
                         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]));
@@ -113,6 +136,7 @@ namespace GZTW.AyaNova.BLL
                             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
                             
@@ -121,6 +145,23 @@ namespace GZTW.AyaNova.BLL
                         }
                     }
 
+                    //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);
@@ -148,6 +189,17 @@ namespace GZTW.AyaNova.BLL
 
 		}
 
+        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;
+        }
 
 	
 		//=================================