Got simple toast notifications going

misc/BreCalApi.cs

@@ -1,8 +1,8 @@
 
 //----------------------
 // <auto-generated>
-//     Generated REST API Client Code Generator v1.16.0.0 on 10.12.2024 08:56:03
+//     Generated REST API Client Code Generator v1.17.0.0 on 19.12.2024 11:34:56
-//     Using the tool OpenAPI Generator v7.9.0
+//     Using the tool OpenAPI Generator v7.10.0
 // </auto-generated>
 //----------------------
 
@@ -3829,7 +3829,7 @@ namespace BreCalClient.misc.Client
                 if (response.Headers != null)
                 {
                     var filePath = string.IsNullOrEmpty(_configuration.TempFolderPath)
-                        ? Path.GetTempPath()
+                        ? global::System.IO.Path.GetTempPath()
                         : _configuration.TempFolderPath;
                     var regex = new Regex(@"Content-Disposition=.*filename=['""]?([^'""\s]+)['""]?$");
                     foreach (var header in response.Headers)
@@ -4069,7 +4069,7 @@ namespace BreCalClient.misc.Client
                         var bytes = ClientUtils.ReadAsBytes(file);
                         var fileStream = file as FileStream;
                         if (fileStream != null)
-                            request.AddFile(fileParam.Key, bytes, Path.GetFileName(fileStream.Name));
+                            request.AddFile(fileParam.Key, bytes, global::System.IO.Path.GetFileName(fileStream.Name));
                         else
                             request.AddFile(fileParam.Key, bytes, "no_file_name_provided");
                     }
@@ -4139,7 +4139,7 @@ namespace BreCalClient.misc.Client
             var clientOptions = new RestClientOptions(baseUrl)
             {
                 ClientCertificates = configuration.ClientCertificates,
-                MaxTimeout = configuration.Timeout,
+                Timeout = configuration.Timeout,
                 Proxy = configuration.Proxy,
                 UserAgent = configuration.UserAgent,
                 UseDefaultCredentials = configuration.UseDefaultCredentials,
@@ -4209,11 +4209,11 @@ namespace BreCalClient.misc.Client
                 return result;
             }
         }
-        private RestResponse<T> DeserializeRestResponseFromPolicy<T>(RestClient client, RestRequest request, PolicyResult<RestResponse> policyResult)
+        private async Task<RestResponse<T>> DeserializeRestResponseFromPolicyAsync<T>(RestClient client, RestRequest request, PolicyResult<RestResponse> policyResult, CancellationToken cancellationToken = default)
         {
             if (policyResult.Outcome == OutcomeType.Successful)
             {
-                return client.Deserialize<T>(policyResult.Result);
+                return await client.Deserialize<T>(policyResult.Result, cancellationToken);
             }
             else
             {
@@ -4243,7 +4243,7 @@ namespace BreCalClient.misc.Client
                 {
                     var policy = RetryConfiguration.RetryPolicy;
                     var policyResult = policy.ExecuteAndCapture(() => client.Execute(request));
-                    return Task.FromResult(DeserializeRestResponseFromPolicy<T>(client, request, policyResult));
+                    return DeserializeRestResponseFromPolicyAsync<T>(client, request, policyResult);
                 }
                 else
                 {
@@ -4264,7 +4264,7 @@ namespace BreCalClient.misc.Client
                 {
                     var policy = RetryConfiguration.AsyncRetryPolicy;
                     var policyResult = await policy.ExecuteAndCaptureAsync((ct) => client.ExecuteAsync(request, ct), cancellationToken).ConfigureAwait(false);
-                    return DeserializeRestResponseFromPolicy<T>(client, request, policyResult);
+                    return await DeserializeRestResponseFromPolicyAsync<T>(client, request, policyResult, cancellationToken);
                 }
                 else
                 {
@@ -5000,7 +5000,7 @@ namespace BreCalClient.misc.Client
             {
             };
             // Setting Timeout has side effects (forces ApiClient creation).
-            Timeout = 100000;
+            Timeout = TimeSpan.FromSeconds(100);
         }
         /// <summary>
         /// Initializes a new instance of the <see cref="Configuration" /> class
@@ -5072,9 +5072,9 @@ namespace BreCalClient.misc.Client
         /// </summary>
         public virtual IDictionary<string, string> DefaultHeaders { get; set; }
         /// <summary>
-        /// Gets or sets the HTTP timeout (milliseconds) of ApiClient. Default to 100000 milliseconds.
+        /// Gets or sets the HTTP timeout of ApiClient. Defaults to 100 seconds.
         /// </summary>
-        public virtual int Timeout { get; set; }
+        public virtual TimeSpan Timeout { get; set; }
         /// <summary>
         /// Gets or sets the proxy
         /// </summary>
@@ -5713,10 +5713,10 @@ namespace BreCalClient.misc.Client
         /// <value>Temp folder path.</value>
         string TempFolderPath { get; }
         /// <summary>
-        /// Gets the HTTP connection timeout (in milliseconds)
+        /// Gets the HTTP connection timeout.
         /// </summary>
         /// <value>HTTP connection timeout.</value>
-        int Timeout { get; }
+        TimeSpan Timeout { get; }
         /// <summary>
         /// Gets the proxy.
         /// </summary>
@@ -7097,24 +7097,26 @@ namespace BreCalClient.misc.Model
     public partial class Notification : IValidatableObject
     {
         /// <summary>
-        /// Gets or Sets NotificationType
+        /// Gets or Sets Type
         /// </summary>
-        [DataMember(Name = "notification_type", EmitDefaultValue = true)]
+        [DataMember(Name = "type", EmitDefaultValue = true)]
-        public NotificationType? NotificationType { get; set; }
+        public NotificationType? Type { get; set; }
         /// <summary>
         /// Initializes a new instance of the <see cref="Notification" /> class.
         /// </summary>
         /// <param name="id">id.</param>
         /// <param name="shipcallId">shipcallId.</param>
-        /// <param name="notificationType">notificationType.</param>
+        /// <param name="participantId">participantId.</param>
+        /// <param name="type">type.</param>
         /// <param name="message">message.</param>
         /// <param name="created">Readonly field set by the database when notification was created.</param>
         /// <param name="modified">Readonly field set by the database when notification was last modified.</param>
-        public Notification(int id = default(int), int shipcallId = default(int), NotificationType? notificationType = default(NotificationType?), string message = default(string), DateTime created = default(DateTime), DateTime? modified = default(DateTime?))
+        public Notification(int id = default(int), int shipcallId = default(int), int? participantId = default(int?), NotificationType? type = default(NotificationType?), string message = default(string), DateTime created = default(DateTime), DateTime? modified = default(DateTime?))
         {
             this.Id = id;
             this.ShipcallId = shipcallId;
-            this.NotificationType = notificationType;
+            this.ParticipantId = participantId;
+            this.Type = type;
             this.Message = message;
             this.Created = created;
             this.Modified = modified;
@@ -7136,6 +7138,14 @@ namespace BreCalClient.misc.Model
         [DataMember(Name = "shipcall_id", EmitDefaultValue = true)]
         public int ShipcallId { get; set; }
         /// <summary>
+        /// Gets or Sets ParticipantId
+        /// </summary>
+        /*
+        <example>9</example>
+        */
+        [DataMember(Name = "participant_id", EmitDefaultValue = true)]
+        public int? ParticipantId { get; set; }
+        /// <summary>
         /// Gets or Sets Message
         /// </summary>
         /*
@@ -7171,7 +7181,8 @@ namespace BreCalClient.misc.Model
             sb.Append("class Notification {\n");
             sb.Append("  Id: ").Append(Id).Append("\n");
             sb.Append("  ShipcallId: ").Append(ShipcallId).Append("\n");
-            sb.Append("  NotificationType: ").Append(NotificationType).Append("\n");
+            sb.Append("  ParticipantId: ").Append(ParticipantId).Append("\n");
+            sb.Append("  Type: ").Append(Type).Append("\n");
             sb.Append("  Message: ").Append(Message).Append("\n");
             sb.Append("  Created: ").Append(Created).Append("\n");
             sb.Append("  Modified: ").Append(Modified).Append("\n");

misc/BreCalApi.yaml

@@ -1550,7 +1550,11 @@ components:
           type: integer
           example: 5
           nullable: false
-        notification_type:
+        participant_id:
+          type: integer
+          example: 9
+          nullable: true
+        type:
           $ref: '#/components/schemas/NotificationType'
         message:
           type: string
@@ -1569,7 +1573,8 @@ components:
       example:
         id: 42
         shipcall_id: 5
-        notification_type: next24h
+        participant_id: 9
+        type: next24h
         message: Shipcall may be relevant to you in the next 24 hours
         created: '2023-08-21T08:23:35Z'
         modified: '2023-08-21T08:23:35Z'
@@ -1581,13 +1586,14 @@ components:
       example:
         - id: 42
           shipcall_id: 5
-          notification_type: time_conflict
+          participant_id: 9
+          type: time_conflict
           message: Entry XY violates rule Z
           created: '2023-08-21T08:23:35Z'
           modified: '2023-08-21T08:23:35Z'
         - id: 43
           shipcall_id: 7
-          notification_type: time_conflict
+          type: time_conflict
           message: Entry AB violates rule C
           created: '2023-08-21T08:23:35Z'
           modified: '2023-08-21T08:23:35Z'

src/BreCalClient/App.xaml

@@ -3,6 +3,7 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              xmlns:local="clr-namespace:BreCalClient"
              xmlns:sys="clr-namespace:System;assembly=mscorlib"
+             xmlns:options="http://schemas.microsoft.com/winfx/2006/xaml/presentation/options"
              StartupUri="MainWindow.xaml" Exit="Application_Exit" Startup="Application_Startup" >
     <Application.Resources>
 
@@ -14,6 +15,95 @@
             <sys:Double x:Key="{x:Static SystemParameters.VerticalScrollBarWidthKey}">10</sys:Double>
             <sys:Double x:Key="{x:Static SystemParameters.HorizontalScrollBarHeightKey}">10</sys:Double>
 
+            <Color x:Key="InformationColor">#147ec9</Color>
+            <SolidColorBrush x:Key="InformationColorBrush" Color="{StaticResource InformationColor}" options:Freeze="True" />
+
+            <Color x:Key="SuccessColor">#11ad45</Color>
+            <SolidColorBrush x:Key="SuccessColorBrush" Color="{StaticResource SuccessColor}" options:Freeze="True" />
+
+            <Color x:Key="ErrorColor">#e60914</Color>
+            <SolidColorBrush x:Key="ErrorColorBrush" Color="{StaticResource ErrorColor}" options:Freeze="True" />
+
+            <Color x:Key="WarningColor">#f5a300</Color>
+            <SolidColorBrush x:Key="WarningColorBrush" Color="{StaticResource WarningColor}" options:Freeze="True" />
+
+            <Canvas x:Key="InformationIcon"  Width="24" Height="24">
+                <Path Data="M11,9H13V7H11M12,20C7.59,20 4,16.41 4,12C4,7.59 7.59,4 12,4C16.41,4 20,7.59 20,12C20,16.41 16.41,20 12,20M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M11,17H13V11H11V17Z" Fill="White" />
+            </Canvas>
+
+            <Canvas x:Key="SuccessIcon"  Width="24" Height="24">
+                <Path Data="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z" Fill="White" />
+            </Canvas>
+
+            <Canvas x:Key="ErrorIcon" Width="24" Height="24">
+                <Path Data="M11,15H13V17H11V15M11,7H13V13H11V7M12,2C6.47,2 2,6.5 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2M12,20A8,8 0 0,1 4,12A8,8 0 0,1 12,4A8,8 0 0,1 20,12A8,8 0 0,1 12,20Z" Fill="White" />
+            </Canvas>
+
+            <Canvas x:Key="WarningIcon" Width="24" Height="24">
+                <Path Data="M12,2L1,21H23M12,6L19.53,19H4.47M11,10V14H13V10M11,16V18H13V16" Fill="White" />
+            </Canvas>
+
+            <Canvas x:Key="CloseIcon" Width="76" Height="76" Clip="F1 M 0,0L 76,0L 76,76L 0,76L 0,0">
+                <Path Width="31.6666" Height="31.6667" Canvas.Left="22.1666" Canvas.Top="22.1667" Stretch="Fill" Fill="#FF000000" Data="F1 M 26.9166,22.1667L 37.9999,33.25L 49.0832,22.1668L 53.8332,26.9168L 42.7499,38L 53.8332,49.0834L 49.0833,53.8334L 37.9999,42.75L 26.9166,53.8334L 22.1666,49.0833L 33.25,38L 22.1667,26.9167L 26.9166,22.1667 Z "/>
+            </Canvas>
+
+            <Style TargetType="Border" x:Key="NotificationBorder">
+                <Setter Property="Padding" Value="5" />
+                <Setter Property="Effect">
+                    <Setter.Value>
+                        <DropShadowEffect Opacity="0.5" ShadowDepth="1" BlurRadius="2" />
+                    </Setter.Value>
+                </Setter>
+            </Style>
+
+            <Style TargetType="Rectangle" x:Key="NotificationIcon">
+                <Setter Property="Width" Value="24"/>
+                <Setter Property="Height" Value="24"/>
+                <Setter Property="Margin" Value="0,5,5,5" />
+                <Setter Property="VerticalAlignment" Value="Center" />
+                <Setter Property="Fill" Value="White"/>
+            </Style>
+
+            <Style TargetType="TextBlock" x:Key="NotificationText">
+                <Setter Property="Foreground" Value="White" />
+                <Setter Property="VerticalAlignment" Value="Center" />
+                <Setter Property="HorizontalAlignment" Value="Stretch" />
+                <Setter Property="TextWrapping" Value="Wrap" />
+                <Setter Property="Margin" Value="5,0,0,0" />
+            </Style>
+
+            <Style TargetType="{x:Type Button}" x:Key="NotificationCloseButton">
+                <Setter Property="Background" Value="Transparent" />
+                <Setter Property="Foreground" Value="#FFF" />
+                <Setter Property="FontSize" Value="15" />
+                <Setter Property="SnapsToDevicePixels" Value="True" />
+                <Setter Property="VerticalAlignment" Value="Top" />
+                <Setter Property="HorizontalAlignment" Value="Right" />
+                <Setter Property="Template">
+                    <Setter.Value>
+                        <ControlTemplate TargetType="{x:Type Button}">
+                            <Border Background="{TemplateBinding Background}">
+                                <ContentPresenter Content="{TemplateBinding Content}" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,0,0,0" />
+                            </Border>
+                            <ControlTemplate.Triggers>
+                                <Trigger Property="IsMouseOver" Value="True">
+                                    <Setter Property="Background" Value="#33000000" />
+                                </Trigger>
+                                <Trigger Property="IsPressed" Value="True">
+                                    <Setter Property="Background" Value="#77000000" />
+                                </Trigger>
+                            </ControlTemplate.Triggers>
+                        </ControlTemplate>
+                    </Setter.Value>
+                </Setter>
+            </Style>
+
+            <Style TargetType="Rectangle" x:Key="CloseButtonIcon">
+                <Setter Property="Width" Value="10"/>
+                <Setter Property="Height" Value="10"/>
+                <Setter Property="Fill" Value="{Binding Path=Foreground, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type Button}}}" />
+            </Style>
+
         </ResourceDictionary>
 
     </Application.Resources>

src/BreCalClient/AppNotification.cs

@@ -0,0 +1,121 @@
+// Copyright (c) 2024- schick Informatik
+// Description: Helper (static) class to handle polled API notifications
+// 
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ToastNotifications.Core;
+
+namespace BreCalClient
+{
+    internal class AppNotification
+    {
+        private static Dictionary<int, AppNotification> _notifications = new ();
+        private readonly int _id;
+        
+
+        public AppNotification(int id)
+        {
+            _id = id;
+        }
+
+        public int Id { get { return _id; } }
+
+        #region internal statics
+
+        internal static void LoadFromSettings()
+        {
+            _notifications.Clear();
+
+            // preload notifications that have been processed
+            foreach (string? notification_id in Properties.Settings.Default.Notifications)
+            {
+                if(Int32.TryParse(notification_id, out int result))
+                    _notifications.Add(result, new AppNotification(result));
+            }
+        }
+
+        internal static void Clear()
+        {
+            _notifications.Clear();
+            SaveNotifications();
+        }
+
+        internal static bool UpdateNotifications(List<BreCalClient.misc.Model.Notification> notifications, System.Collections.Concurrent.ConcurrentDictionary<int, ShipcallControlModel> currentShipcalls, ToastViewModel vm)
+        {
+            bool result = false;
+            foreach (BreCalClient.misc.Model.Notification notification in notifications)
+            {
+                if(!_notifications.ContainsKey(notification.Id))
+                {
+                    _notifications.Add(notification.Id, new AppNotification(notification.Id));
+
+                    // filter if the notification concerns us
+                    if(notification.ParticipantId != null)
+                    {
+                        if(App.Participant.Id == notification.ParticipantId)
+                        {
+                            result = true;
+                        }
+                    } 
+                    else
+                    {
+                        // find out if this notification concerns us
+                        if(currentShipcalls.ContainsKey(notification.ShipcallId))
+                        {
+                            result = true;
+                        }
+                    }
+                    
+                    if(result)
+                    {
+                        System.Diagnostics.Trace.WriteLine($"Notification {notification.Id} Type {notification.Type}");
+                        MessageOptions options = new MessageOptions();
+                        options.FontSize = 14;
+                        options.ShowCloseButton = true;
+                        switch(notification.Type)
+                        {
+                            case misc.Model.NotificationType.TimeConflict:
+
+                                break;
+                            case misc.Model.NotificationType.TimeConflictResolved:
+
+                                break;
+                            case misc.Model.NotificationType.Assignment:
+
+                                break;
+                            case misc.Model.NotificationType.Next24h:
+
+                                break;
+                            case misc.Model.NotificationType.Unassigned:
+
+                                break;
+                        }
+
+                        string toastText = $"{currentShipcalls[notification.ShipcallId]?.Ship?.Name} ({currentShipcalls[notification.ShipcallId]?.Shipcall?.Type}) - {currentShipcalls[notification.ShipcallId]?.GetETAETD(true)} - {currentShipcalls[notification.ShipcallId]?.GetBerthText(null)}";
+                        App.Current.Dispatcher.Invoke(() =>
+                        {
+                            vm.ShowInformation(toastText, options);
+                        });
+                    }                    
+                    
+                }
+            }
+            return result;
+        }
+
+        internal static void SaveNotifications()
+        {
+            Properties.Settings.Default.Notifications.Clear();
+            foreach (int notification_id in _notifications.Keys)
+            {
+                Properties.Settings.Default.Notifications.Add(notification_id.ToString());
+            }
+        }
+
+        #endregion
+    }
+}

src/BreCalClient/MainWindow.xaml.cs

@@ -36,8 +36,11 @@ namespace BreCalClient
     public partial class MainWindow : Window
     {
         private readonly ILog _log = LogManager.GetLogger(typeof(MainWindow));
+        private readonly ToastViewModel _vm;
+
         private const int SHIPCALL_UPDATE_INTERVAL_SECONDS = 30;
         private const int SHIPS_UPDATE_INTERVAL_SECONDS = 120;
+        private const int CHECK_NOTIFICATIONS_INTERVAL_SECONDS = 5;
         private const int PROGRESS_STEPS = 50;
 
         #region Fields
@@ -122,6 +125,13 @@ namespace BreCalClient
             RetryConfiguration.AsyncRetryPolicy = retryPolicy;
 
             this.generalProgressStatus.Maximum = PROGRESS_STEPS;
+            _vm = new ToastViewModel();
+            this.Unloaded += MainWindow_Unloaded;
+        }
+
+        private void MainWindow_Unloaded(object sender, RoutedEventArgs e)
+        {
+            _vm.OnUnloaded();
         }
 
         #endregion
@@ -510,6 +520,7 @@ namespace BreCalClient
 
             _ = Task.Run(() => RefreshShipcalls());
             _ = Task.Run(() => RefreshShips());
+            _ = Task.Run(() => CheckNotifications());
 
         }
 
@@ -633,6 +644,16 @@ namespace BreCalClient
             }
         }
 
+        public async Task CheckNotifications()
+        {
+            while (true)
+            {
+                Thread.Sleep(CHECK_NOTIFICATIONS_INTERVAL_SECONDS * 1000);
+                List<Notification> notifications = await _staticApi.NotificationsGetAsync();
+                AppNotification.UpdateNotifications(notifications, _allShipcallsDict, _vm);
+            }
+        }
+
         #endregion
 
         #region basic operations

src/BreCalClient/Properties/Settings.Designer.cs

@@ -9,20 +9,20 @@
 //------------------------------------------------------------------------------
 
 namespace BreCalClient.Properties {
-
+    
-
+    
     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]
     [global::System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "17.10.0.0")]
     internal sealed partial class Settings : global::System.Configuration.ApplicationSettingsBase {
-
+        
         private static Settings defaultInstance = ((Settings)(global::System.Configuration.ApplicationSettingsBase.Synchronized(new Settings())));
-
+        
         public static Settings Default {
             get {
                 return defaultInstance;
             }
         }
-
+        
         [global::System.Configuration.ApplicationScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("#1D751F")]
@@ -31,7 +31,7 @@ namespace BreCalClient.Properties {
                 return ((string)(this["BG_COLOR"]));
             }
         }
-
+        
         [global::System.Configuration.ApplicationScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("!!Bremen calling Testversion!!")]
@@ -40,7 +40,7 @@ namespace BreCalClient.Properties {
                 return ((string)(this["APP_TITLE"]));
             }
         }
-
+        
         [global::System.Configuration.ApplicationScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("https://www.textbausteine.net/")]
@@ -49,7 +49,7 @@ namespace BreCalClient.Properties {
                 return ((string)(this["LOGO_IMAGE_URL"]));
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("")]
@@ -61,7 +61,7 @@ namespace BreCalClient.Properties {
                 this["FilterCriteria"] = value;
             }
         }
-
+        
         [global::System.Configuration.ApplicationScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("https://brecaldevel.bsmd-emswe.eu")]
@@ -70,7 +70,7 @@ namespace BreCalClient.Properties {
                 return ((string)(this["API_URL"]));
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("800")]
@@ -82,7 +82,7 @@ namespace BreCalClient.Properties {
                 this["Width"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("450")]
@@ -94,7 +94,7 @@ namespace BreCalClient.Properties {
                 this["Height"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -106,7 +106,7 @@ namespace BreCalClient.Properties {
                 this["Left"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -118,7 +118,7 @@ namespace BreCalClient.Properties {
                 this["Top"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -130,7 +130,7 @@ namespace BreCalClient.Properties {
                 this["W1Left"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -142,7 +142,7 @@ namespace BreCalClient.Properties {
                 this["W1Top"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -154,7 +154,7 @@ namespace BreCalClient.Properties {
                 this["W2Left"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -166,7 +166,7 @@ namespace BreCalClient.Properties {
                 this["W2Top"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -178,7 +178,7 @@ namespace BreCalClient.Properties {
                 this["W3Left"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -190,7 +190,7 @@ namespace BreCalClient.Properties {
                 this["W3Top"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -202,7 +202,7 @@ namespace BreCalClient.Properties {
                 this["W4Left"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("0")]
@@ -214,7 +214,7 @@ namespace BreCalClient.Properties {
                 this["W4Top"] = value;
             }
         }
-
+        
         [global::System.Configuration.UserScopedSettingAttribute()]
         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
         [global::System.Configuration.DefaultSettingValueAttribute("")]
@@ -226,5 +226,16 @@ namespace BreCalClient.Properties {
                 this["FilterCriteriaMap"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        public global::System.Collections.Specialized.StringCollection Notifications {
+            get {
+                return ((global::System.Collections.Specialized.StringCollection)(this["Notifications"]));
+            }
+            set {
+                this["Notifications"] = value;
+            }
+        }
     }
 }

src/BreCalClient/Properties/Settings.settings

@@ -56,5 +56,8 @@
     <Setting Name="FilterCriteriaMap" Type="System.String" Scope="User">
       <Value Profile="(Default)" />
     </Setting>
+    <Setting Name="Notifications" Type="System.Collections.Specialized.StringCollection" Scope="User">
+      <Value Profile="(Default)" />
+    </Setting>
   </Settings>
 </SettingsFile>

src/BreCalClient/ToastViewModel.cs

@@ -0,0 +1,105 @@
+// Copyright (c) 2024- schick Informatik
+// Description:
+// 
+
+using System;
+using System.ComponentModel;
+using System.Windows;
+
+using ToastNotifications;
+using ToastNotifications.Core;
+using ToastNotifications.Lifetime;
+using ToastNotifications.Lifetime.Clear;
+using ToastNotifications.Messages;
+using ToastNotifications.Position;
+
+namespace BreCalClient
+{
+    internal class ToastViewModel : INotifyPropertyChanged
+    {
+        private readonly Notifier _notifier;
+
+        public ToastViewModel()
+        {
+            _notifier = new Notifier(cfg =>
+            {
+                cfg.PositionProvider = new WindowPositionProvider(
+                    parentWindow: Application.Current.MainWindow,
+                    corner: Corner.BottomRight,
+                    offsetX: 25,
+                    offsetY: 100);
+
+                cfg.LifetimeSupervisor = new TimeAndCountBasedLifetimeSupervisor(
+                    notificationLifetime: TimeSpan.FromSeconds(6),
+                    maximumNotificationCount: MaximumNotificationCount.FromCount(6));
+
+                cfg.Dispatcher = Application.Current.Dispatcher;
+
+                cfg.DisplayOptions.TopMost = false;
+                cfg.DisplayOptions.Width = 250;
+            });
+
+            _notifier.ClearMessages(new ClearAll());
+        }
+
+        public void OnUnloaded()
+        {
+            _notifier.Dispose();
+        }
+
+        public void ShowInformation(string message)
+        {
+            _notifier.ShowInformation(message);
+        }
+
+        public void ShowInformation(string message, MessageOptions opts)
+        {
+            _notifier.ShowInformation(message, opts);
+        }
+
+        public void ShowSuccess(string message)
+        {
+            _notifier.ShowSuccess(message);
+        }
+
+        public void ShowSuccess(string message, MessageOptions opts)
+        {
+            _notifier.ShowSuccess(message, opts);
+        }
+
+        internal void ClearMessages(string msg)
+        {
+            _notifier.ClearMessages(new ClearByMessage(msg));
+        }
+
+        public void ShowWarning(string message, MessageOptions opts)
+        {
+            _notifier.ShowWarning(message, opts);
+        }
+
+        public void ShowError(string message)
+        {
+            _notifier.ShowError(message);
+        }
+
+        public void ShowError(string message, MessageOptions opts)
+        {
+            _notifier.ShowError(message, opts);
+        }
+
+
+        public event PropertyChangedEventHandler? PropertyChanged;
+
+        protected virtual void OnPropertyChanged(string? propertyName = null)
+        {
+            var handler = PropertyChanged;
+            if (handler != null)
+                handler.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
+        public void ClearAll()
+        {
+            _notifier.ClearMessages(new ClearAll());
+        }
+    }
+}