chore

BanTur.Core/BanTurProgram.cs

@@ -12,6 +12,10 @@ namespace BanTur.Core
     {
         public static readonly string EnvVarDbPath = "BanTurDbPath";
 
+        internal const string CmdDaemon = "daemon";
+        internal const string CmdFetch = "fetch";
+        internal const string CmdHandleNew = "handlenew";
+
         internal const string CmdComplete = "complete";
 
         private static void PrintLine(string line)
@@ -29,16 +33,22 @@ namespace BanTur.Core
         {
             switch (args.FirstOrDefault()?.ToLower())
             {
-                case "daemon":
+                case CmdDaemon:
                     if (args.Length < 2 || !int.TryParse(args[1], out var intervalMin)) throw new ArgumentException("Missing interval(Min)");
                     Daemon(intervalMin);
                     break;
 
+                case CmdFetch:
                 default:
-                case "fetch":
                     Fetch();
                     break;
 
+                case CmdHandleNew:
+                    HandleNew();
+                    Console.WriteLine("Wait 5 Second, for sending email (if available)...");
+                    Thread.Sleep(5000);
+                    break;
+
                 case CmdComplete:
                     if (args.Length < 2 || !int.TryParse(args[1], out var id)) throw new ArgumentException("Missing id");
                     if (args.Length < 3) throw new ArgumentException("Missing FilePath");
@@ -159,7 +169,7 @@ namespace BanTur.Core
                 //set status to downloading
                 DbAccess.UpdateStatus(item.Id, BangumiEntryStatus.Downloading);
                 //send email tell download started
-                if (DbAccess.Config.EnableMail) new MailSender().SendMail($"Download Start #{item.Id}", $"Id: {item.Id}{Environment.NewLine}Title: {item.Title}");
+                if (DbAccess.Config.EnableMail) new MailSender().SendMailAndForget($"Download Start #{item.Id}", $"Id: {item.Id}{Environment.NewLine}Title: {item.Title}");
             }
 
             PrintLine("[HandleNew] Finished");
@@ -169,7 +179,7 @@ namespace BanTur.Core
         {
             //Call by download completed notice executable
             var ce = DbAccess.GetEntry(id);
-            if (ce == null) throw new ArgumentException("Entry not found", nameof(id));
+            if (ce == null) throw new EntryNotFoundException();
             //Update entry state and Send email
             if (DbAccess.UpdateStatus(id, BangumiEntryStatus.DownloadComplete, filePath))
             {
@@ -178,5 +188,7 @@ namespace BanTur.Core
                 Aria2Helper.DeleteNoticeFile(id);
             }
         }
+
+        private class EntryNotFoundException : Exception { }
     }
 }

BanTur.Core/Utility/MailSender.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Net.Mail;
 using System.Net.Sockets;
 using System.Text;
+using System.Threading.Tasks;
 
 namespace BanTur.Core.Utility
 {
@@ -24,7 +25,6 @@ namespace BanTur.Core.Utility
             _senderName = senderName;
         }
 
-
         public MailSender() : this(
             DbAccess.Config.SendMailHost,
             DbAccess.Config.SendMailPort,
@@ -32,7 +32,11 @@ namespace BanTur.Core.Utility
             DbAccess.Config.SendMailPass,
             "BanTur")
         {
+        }
 
+        public void SendMailAndForget(string subject, string body = "")
+        {
+            Task.Factory.StartNew(() => SendMail(subject, body));
         }
 
         public void SendMail(string subject, string body = "")
@@ -133,7 +137,6 @@ namespace BanTur.Core.Utility
             return $"=?{enc.BodyName}?B?{Convert.ToBase64String(enc.GetBytes(subject))}?=";
         }
 
-
         public static void WriteBytes(this Stream s, byte[] bytes)
         {
             s.Write(bytes, 0, bytes.Length);