Add NotificationBuffer, so Notification are not spammed on every chapter.

Tranga/GlobalBase.cs

@@ -66,10 +66,10 @@ public abstract class GlobalBase
         Log(string.Format(fStr, replace));
     }
 
-    protected void SendNotifications(string title, string text)
+    protected void SendNotifications(string title, string text, bool buffer = false)
     {
         foreach (NotificationConnector nc in notificationConnectors)
-            nc.SendNotification(title, text);
+            nc.SendNotification(title, text, buffer);
     }
 
     protected void AddNotificationConnector(NotificationConnector notificationConnector)

Tranga/Jobs/DownloadChapter.cs

@@ -37,7 +37,7 @@ public class DownloadChapter : Job
             if (success == HttpStatusCode.OK)
             {
                 UpdateLibraries();
-                SendNotifications("Chapter downloaded", $"{chapter.parentManga.sortName} - {chapter.chapterNumber}");
+                SendNotifications("Chapter downloaded", $"{chapter.parentManga.sortName} - {chapter.chapterNumber}", true);
             }
         });
         downloadTask.Start();

Tranga/NotificationConnectors/Gotify.cs

@@ -24,7 +24,7 @@ public class Gotify : NotificationConnector
         return $"Gotify {endpoint}";
     }
 
-    public override void SendNotification(string title, string notificationText)
+    protected override void SendNotificationInternal(string title, string notificationText)
     {
         Log($"Sending notification: {title} - {notificationText}");
         MessageData message = new(title, notificationText);

Tranga/NotificationConnectors/LunaSea.cs

@@ -20,7 +20,7 @@ public class LunaSea : NotificationConnector
         return $"LunaSea {id}";
     }
 
-    public override void SendNotification(string title, string notificationText)
+    protected override void SendNotificationInternal(string title, string notificationText)
     {
         Log($"Sending notification: {title} - {notificationText}");
         MessageData message = new(title, notificationText);

Tranga/NotificationConnectors/NotificationConnector.cs

@@ -3,14 +3,70 @@
 public abstract class NotificationConnector : GlobalBase
 {
     public readonly NotificationConnectorType notificationConnectorType;
+    private DateTime? _notificationRequested = null;
+    private readonly Thread? _notificationBufferThread = null;
+    private const int NoChangeTimeout = 3, BiggestInterval = 30;
+    private List<KeyValuePair<string, string>> _notifications = new();
 
     protected NotificationConnector(GlobalBase clone, NotificationConnectorType notificationConnectorType) : base(clone)
     {
         Log($"Creating notificationConnector {Enum.GetName(notificationConnectorType)}");
         this.notificationConnectorType = notificationConnectorType;
+        
+        
+        if (TrangaSettings.bufferLibraryUpdates)
+        {
+            _notificationBufferThread = new(CheckNotificationBuffer);
+            _notificationBufferThread.Start();
+        }
+    }
+    
+    private void CheckNotificationBuffer()
+    {
+        while (true)
+        {
+            if (_notificationRequested is not null && DateTime.Now.Subtract((DateTime)_notificationRequested) > TimeSpan.FromMinutes(NoChangeTimeout)) //If no updates have been requested for NoChangeTimeout minutes, update library
+            {
+                string[] uniqueTitles = _notifications.DistinctBy(n => n.Key).Select(n => n.Key).ToArray();
+                Log($"Notification Buffer sending! {string.Join(", ", uniqueTitles)}");
+                foreach (string ut in uniqueTitles)
+                {
+                    string[] texts = _notifications.Where(n => n.Key == ut).Select(n => n.Value).ToArray();
+                    SendNotificationInternal(ut, string.Join('\n', texts));
+                }
+                _notificationRequested = null;
+            }
+            Thread.Sleep(100);
+        }
     }
     
     public enum NotificationConnectorType : byte { Gotify = 0, LunaSea = 1, Ntfy = 2 }
 
-    public abstract void SendNotification(string title, string notificationText);
+    public void SendNotification(string title, string notificationText, bool buffer = false)
+    {
+        _notificationRequested ??= DateTime.Now;
+        if (!TrangaSettings.bufferLibraryUpdates || !buffer)
+        {
+            SendNotificationInternal(title, notificationText);
+            return;
+        }
+        _notifications.Add(new(title, notificationText));
+        if (_notificationRequested is not null &&
+                  DateTime.Now.Subtract((DateTime)_notificationRequested) > TimeSpan.FromMinutes(BiggestInterval)) //If the last update has been more than BiggestInterval minutes ago, update library
+        {
+            string[] uniqueTitles = _notifications.DistinctBy(n => n.Key).Select(n => n.Key).ToArray();
+            foreach (string ut in uniqueTitles)
+            {
+                string[] texts = _notifications.Where(n => n.Key == ut).Select(n => n.Value).ToArray();
+                SendNotificationInternal(ut, string.Join('\n', texts));
+            }
+            _notificationRequested = null;
+        }
+        else if(_notificationRequested is not null)
+        {
+            Log($"Buffering Notifications (Updates in latest {((DateTime)_notificationRequested).Add(TimeSpan.FromMinutes(BiggestInterval)).Subtract(DateTime.Now)} or {((DateTime)_notificationRequested).Add(TimeSpan.FromMinutes(NoChangeTimeout)).Subtract(DateTime.Now)})");
+        }
+    }
+    
+    protected abstract void SendNotificationInternal(string title, string notificationText);
 }

Tranga/NotificationConnectors/Ntfy.cs

@@ -54,7 +54,7 @@ public class Ntfy : NotificationConnector
         return $"Ntfy {endpoint} {topic}";
     }
 
-    public override void SendNotification(string title, string notificationText)
+    protected override void SendNotificationInternal(string title, string notificationText)
     {
         Log($"Sending notification: {title} - {notificationText}");
         MessageData message = new(title, topic, notificationText);

Tranga/TrangaSettings.cs

@@ -16,6 +16,7 @@ public static class TrangaSettings
     public static int apiPortNumber { get; private set; } = 6531;
     public static string userAgent { get; private set; } = DefaultUserAgent;
     public static bool bufferLibraryUpdates { get; private set; } = false;
+    public static bool bufferNotifications { get; private set; } = false;
     [JsonIgnore] public static string settingsFilePath => Path.Join(workingDirectory, "settings.json");
     [JsonIgnore] public static string libraryConnectorsFilePath => Path.Join(workingDirectory, "libraryConnectors.json");
     [JsonIgnore] public static string notificationConnectorsFilePath => Path.Join(workingDirectory, "notificationConnectors.json");
@@ -47,7 +48,7 @@ public static class TrangaSettings
         ExportSettings();
     }
 
-    public static void CreateOrUpdate(string? downloadDirectory = null, string? pWorkingDirectory = null, int? pApiPortNumber = null, string? pUserAgent = null, bool? pAprilFoolsMode = null, bool? pBufferLibraryUpdates = null)
+    public static void CreateOrUpdate(string? downloadDirectory = null, string? pWorkingDirectory = null, int? pApiPortNumber = null, string? pUserAgent = null, bool? pAprilFoolsMode = null, bool? pBufferLibraryUpdates = null, bool? pBufferNotifications = null)
     {
         if(pWorkingDirectory is null && File.Exists(settingsFilePath))
             LoadFromWorkingDirectory(workingDirectory);
@@ -57,6 +58,7 @@ public static class TrangaSettings
         userAgent = pUserAgent ?? userAgent;
         aprilFoolsMode = pAprilFoolsMode ?? aprilFoolsMode;
         bufferLibraryUpdates = pBufferLibraryUpdates ?? bufferLibraryUpdates;
+        bufferNotifications = pBufferNotifications ?? bufferNotifications;
         Directory.CreateDirectory(downloadLocation);
         Directory.CreateDirectory(workingDirectory);
         ExportSettings();
@@ -164,6 +166,7 @@ public static class TrangaSettings
         jobj.Add("version", JToken.FromObject(version));
         jobj.Add("requestLimits", JToken.FromObject(requestLimits));
         jobj.Add("bufferLibraryUpdates", JToken.FromObject(bufferLibraryUpdates));
+        jobj.Add("bufferNotifications", JToken.FromObject(bufferNotifications));
         return jobj;
     }
 
@@ -186,5 +189,7 @@ public static class TrangaSettings
             requestLimits = rl.ToObject<Dictionary<RequestType, int>>()!;
         if (jobj.TryGetValue("bufferLibraryUpdates", out JToken? blu))
             bufferLibraryUpdates = blu.Value<bool>()!;
+        if (jobj.TryGetValue("bufferNotifications", out JToken? bn))
+            bufferNotifications = bn.Value<bool>()!;
     }
 }