New: OnApplicationUpdate Notifications

(based on Radarr Commits
9e175e28efcfc6ac3e414649b955a10fb0e951e7
4f5f9ff77ee4de05ba04cc677eb7baf4df726af5
4ebcbc28aa3e3268ecc37c5fc2b5565da8f13305
)
Fixes #723

Co-authored-by: Qstick <qstick@gmail.com>

frontend/src/Settings/Notifications/Notifications/Notification.js

@@ -40,7 +40,7 @@ class Notification extends Component {
     });
   };
 
-  onDeleteNotificationModalClose= () => {
+  onDeleteNotificationModalClose = () => {
     this.setState({ isDeleteNotificationModalOpen: false });
   };
 
@@ -61,12 +61,14 @@ class Notification extends Component {
       onRename,
       onDelete,
       onHealthIssue,
+      onApplicationUpdate,
       supportsOnGrab,
       supportsOnDownload,
       supportsOnUpgrade,
       supportsOnRename,
       supportsOnDelete,
-      supportsOnHealthIssue
+      supportsOnHealthIssue,
+      supportsOnApplicationUpdate
     } = this.props;
 
     return (
@@ -82,53 +84,62 @@ class Notification extends Component {
         {
           supportsOnGrab && onGrab &&
             <Label kind={kinds.SUCCESS}>
-              On Grab
+              {translate('OnGrab')}
             </Label>
         }
 
         {
           supportsOnDelete && onDelete &&
             <Label kind={kinds.SUCCESS}>
-              On Delete
+              {translate('OnDelete')}
             </Label>
         }
 
         {
           supportsOnDownload && onDownload &&
             <Label kind={kinds.SUCCESS}>
-              On Import
+              {translate('OnImport')}
             </Label>
         }
 
         {
           supportsOnUpgrade && onDownload && onUpgrade &&
             <Label kind={kinds.SUCCESS}>
-              On Upgrade
+              {translate('OnUpgrade')}
             </Label>
         }
 
         {
           supportsOnRename && onRename &&
             <Label kind={kinds.SUCCESS}>
-              On Rename
+              {translate('OnRename')}
             </Label>
         }
 
         {
           supportsOnHealthIssue && onHealthIssue &&
             <Label kind={kinds.SUCCESS}>
-              On Health Issue
+              {translate('OnHealthIssue')}
             </Label>
         }
 
         {
-          !onGrab && !onDownload && !onRename && !onHealthIssue && !onDelete &&
+          supportsOnApplicationUpdate && onApplicationUpdate ?
+            <Label kind={kinds.SUCCESS}>
+              {translate('OnApplicationUpdate')}
+            </Label> :
+            null
+        }
+
+        {
+          !onGrab && !onDownload && !onRename && !onHealthIssue && !onDelete && !onApplicationUpdate ?
             <Label
               kind={kinds.DISABLED}
               outline={true}
             >
-              Disabled
-            </Label>
+              {translate('Disabled')}
+            </Label> :
+            null
         }
 
         <EditNotificationModalConnector
@@ -161,12 +172,14 @@ Notification.propTypes = {
   onRename: PropTypes.bool.isRequired,
   onDelete: PropTypes.bool.isRequired,
   onHealthIssue: PropTypes.bool.isRequired,
+  onApplicationUpdate: PropTypes.bool.isRequired,
   supportsOnGrab: PropTypes.bool.isRequired,
   supportsOnDownload: PropTypes.bool.isRequired,
   supportsOnDelete: PropTypes.bool.isRequired,
   supportsOnUpgrade: PropTypes.bool.isRequired,
   supportsOnRename: PropTypes.bool.isRequired,
   supportsOnHealthIssue: PropTypes.bool.isRequired,
+  supportsOnApplicationUpdate: PropTypes.bool.isRequired,
   onConfirmDeleteNotification: PropTypes.func.isRequired
 };
 

frontend/src/Settings/Notifications/Notifications/NotificationEventItems.js

@@ -16,8 +16,10 @@ function NotificationEventItems(props) {
 
   const {
     onHealthIssue,
+    onApplicationUpdate,
     supportsOnHealthIssue,
-    includeHealthWarnings
+    includeHealthWarnings,
+    supportsOnApplicationUpdate
   } = item;
 
   return (
@@ -53,6 +55,17 @@ function NotificationEventItems(props) {
                 />
               </div>
           }
+
+          <div>
+            <FormInputGroup
+              type={inputTypes.CHECK}
+              name="onApplicationUpdate"
+              helpText={translate('OnApplicationUpdateHelpText')}
+              isDisabled={!supportsOnApplicationUpdate.value}
+              {...onApplicationUpdate}
+              onChange={onInputChange}
+            />
+          </div>
         </div>
       </div>
     </FormGroup>

frontend/src/Store/Actions/Settings/notifications.js

@@ -106,6 +106,7 @@ export default {
         selectedSchema.onDownload = selectedSchema.supportsOnDownload;
         selectedSchema.onUpgrade = selectedSchema.supportsOnUpgrade;
         selectedSchema.onRename = selectedSchema.supportsOnRename;
+        selectedSchema.onApplicationUpdate = selectedSchema.supportsOnApplicationUpdate;
 
         return selectedSchema;
       });

src/NzbDrone.Core.Test/NotificationTests/NotificationBaseFixture.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using FluentAssertions;
+using FluentValidation.Results;
+using NUnit.Framework;
+using NzbDrone.Core.Notifications;
+using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Validation;
+using NzbDrone.Test.Common;
+
+namespace NzbDrone.Core.Test.NotificationTests
+{
+    [TestFixture]
+    public class NotificationBaseFixture : TestBase
+    {
+        private class TestSetting : IProviderConfig
+        {
+            public NzbDroneValidationResult Validate()
+            {
+                return new NzbDroneValidationResult();
+            }
+        }
+
+        private class TestNotificationWithApplicationUpdate : NotificationBase<TestSetting>
+        {
+            public override string Name => "TestNotification";
+            public override string Link => "";
+
+            public override ValidationResult Test()
+            {
+                throw new NotImplementedException();
+            }
+
+            public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+            {
+                TestLogger.Info("OnApplicationUpdate was called");
+            }
+        }
+
+        private class TestNotificationWithAllEvents : NotificationBase<TestSetting>
+        {
+            public override string Name => "TestNotification";
+            public override string Link => "";
+
+            public override ValidationResult Test()
+            {
+                throw new NotImplementedException();
+            }
+
+            public override void OnHealthIssue(NzbDrone.Core.HealthCheck.HealthCheck artist)
+            {
+                TestLogger.Info("OnHealthIssue was called");
+            }
+
+            public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+            {
+                TestLogger.Info("OnApplicationUpdate was called");
+            }
+        }
+
+        private class TestNotificationWithNoEvents : NotificationBase<TestSetting>
+        {
+            public override string Name => "TestNotification";
+            public override string Link => "";
+
+            public override ValidationResult Test()
+            {
+                throw new NotImplementedException();
+            }
+        }
+
+        [Test]
+        public void should_support_all_if_implemented()
+        {
+            var notification = new TestNotificationWithAllEvents();
+
+            notification.SupportsOnHealthIssue.Should().BeTrue();
+            notification.SupportsOnApplicationUpdate.Should().BeTrue();
+        }
+
+        [Test]
+        public void should_support_none_if_none_are_implemented()
+        {
+            var notification = new TestNotificationWithNoEvents();
+
+            notification.SupportsOnHealthIssue.Should().BeFalse();
+            notification.SupportsOnApplicationUpdate.Should().BeFalse();
+        }
+    }
+}

src/NzbDrone.Core/Datastore/Migration/014_add_on_update_to_notifications.cs

@@ -0,0 +1,14 @@
+using FluentMigrator;
+using NzbDrone.Core.Datastore.Migration.Framework;
+
+namespace NzbDrone.Core.Datastore.Migration
+{
+    [Migration(014)]
+    public class add_on_update_to_notifications : NzbDroneMigrationBase
+    {
+        protected override void MainDbUpgrade()
+        {
+            Alter.Table("Notifications").AddColumn("OnApplicationUpdate").AsBoolean().WithDefaultValue(0);
+        }
+    }
+}

src/NzbDrone.Core/Datastore/TableMapping.cs

@@ -63,7 +63,8 @@ namespace NzbDrone.Core.Datastore
 
             Mapper.Entity<NotificationDefinition>("Notifications").RegisterModel()
                   .Ignore(x => x.ImplementationName)
-                  .Ignore(i => i.SupportsOnHealthIssue);
+                  .Ignore(i => i.SupportsOnHealthIssue)
+                  .Ignore(i => i.SupportsOnApplicationUpdate);
 
             Mapper.Entity<IndexerProxyDefinition>("IndexerProxies").RegisterModel()
                   .Ignore(x => x.ImplementationName);

src/NzbDrone.Core/Localization/Core/en.json

@@ -262,6 +262,9 @@
   "NoUpdatesAreAvailable": "No updates are available",
   "OAuthPopupMessage": "Pop-ups are being blocked by your browser",
   "Ok": "Ok",
+  "OnApplicationUpdate": "On Application Update",
+  "OnApplicationUpdateHelpText": "On Application Update",
+  "OnHealthIssue": "On Health Issue",
   "OnHealthIssueHelpText": "On Health Issue",
   "OpenBrowserOnStart": "Open browser on start",
   "OpenThisModal": "Open This Modal",

src/NzbDrone.Core/Notifications/ApplicationUpdateMessage.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace NzbDrone.Core.Notifications
+{
+    public class ApplicationUpdateMessage
+    {
+        public string Message { get; set; }
+        public Version PreviousVersion { get; set; }
+        public Version NewVersion { get; set; }
+
+        public override string ToString()
+        {
+            return NewVersion.ToString();
+        }
+    }
+}

src/NzbDrone.Core/Notifications/Boxcar/Boxcar.cs

@@ -20,6 +20,11 @@ namespace NzbDrone.Core.Notifications.Boxcar
             _proxy.SendNotification(HEALTH_ISSUE_TITLE, message.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage message)
+        {
+            _proxy.SendNotification(APPLICATION_UPDATE_TITLE, message.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/CustomScript/CustomScript.cs

@@ -44,6 +44,18 @@ namespace NzbDrone.Core.Notifications.CustomScript
             ExecuteScript(environmentVariables);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            var environmentVariables = new StringDictionary();
+
+            environmentVariables.Add("Prowlarr_EventType", "ApplicationUpdate");
+            environmentVariables.Add("Prowlarr_Update_Message", updateMessage.Message);
+            environmentVariables.Add("Prowlarr_Update_NewVersion", updateMessage.NewVersion.ToString());
+            environmentVariables.Add("Prowlarr_Update_PreviousVersion", updateMessage.PreviousVersion.ToString());
+
+            ExecuteScript(environmentVariables);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Discord/Discord.cs

@@ -42,6 +42,41 @@ namespace NzbDrone.Core.Notifications.Discord
             _proxy.SendPayload(payload, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            var attachments = new List<Embed>
+                              {
+                                  new Embed
+                                  {
+                                      Author = new DiscordAuthor
+                                      {
+                                          Name = Settings.Author.IsNullOrWhiteSpace() ? Environment.MachineName : Settings.Author,
+                                          IconUrl = "https://raw.githubusercontent.com/Prowlarr/Prowlarr/develop/Logo/256.png"
+                                      },
+                                      Title = APPLICATION_UPDATE_TITLE,
+                                      Timestamp = DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffZ"),
+                                      Color = (int)DiscordColors.Standard,
+                                      Fields = new List<DiscordField>()
+                                      {
+                                          new DiscordField()
+                                          {
+                                              Name = "Previous Version",
+                                              Value = updateMessage.PreviousVersion.ToString()
+                                          },
+                                          new DiscordField()
+                                          {
+                                              Name = "New Version",
+                                              Value = updateMessage.NewVersion.ToString()
+                                          }
+                                      },
+                                  }
+                              };
+
+            var payload = CreatePayload(null, attachments);
+
+            _proxy.SendPayload(payload, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Email/Email.cs

@@ -28,6 +28,13 @@ namespace NzbDrone.Core.Notifications.Email
             SendEmail(Settings, HEALTH_ISSUE_TITLE_BRANDED, message.Message);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            var body = $"{updateMessage.Message}";
+
+            SendEmail(Settings, APPLICATION_UPDATE_TITLE_BRANDED, body);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Gotify/Gotify.cs

@@ -24,6 +24,11 @@ namespace NzbDrone.Core.Notifications.Gotify
             _proxy.SendNotification(HEALTH_ISSUE_TITLE, healthCheck.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _proxy.SendNotification(APPLICATION_UPDATE_TITLE, updateMessage.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/INotification.cs

@@ -7,7 +7,9 @@ namespace NzbDrone.Core.Notifications
         string Link { get; }
 
         void OnHealthIssue(HealthCheck.HealthCheck healthCheck);
+        void OnApplicationUpdate(ApplicationUpdateMessage updateMessage);
         void ProcessQueue();
         bool SupportsOnHealthIssue { get; }
+        bool SupportsOnApplicationUpdate { get; }
     }
 }

src/NzbDrone.Core/Notifications/Join/Join.cs

@@ -22,6 +22,11 @@ namespace NzbDrone.Core.Notifications.Join
             _proxy.SendNotification(HEALTH_ISSUE_TITLE_BRANDED, message.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _proxy.SendNotification(APPLICATION_UPDATE_TITLE_BRANDED, updateMessage.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Notifiarr/Notifiarr.cs

@@ -29,6 +29,18 @@ namespace NzbDrone.Core.Notifications.Notifiarr
             _proxy.SendNotification(variables, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            var variables = new StringDictionary();
+
+            variables.Add("Prowlarr_EventType", "ApplicationUpdate");
+            variables.Add("Prowlarr_Update_Message", updateMessage.Message);
+            variables.Add("Prowlarr_Update_NewVersion", updateMessage.NewVersion.ToString());
+            variables.Add("Prowlarr_Update_PreviousVersion", updateMessage.PreviousVersion.ToString());
+
+            _proxy.SendNotification(variables, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/NotificationBase.cs

@@ -9,8 +9,10 @@ namespace NzbDrone.Core.Notifications
         where TSettings : IProviderConfig, new()
     {
         protected const string HEALTH_ISSUE_TITLE = "Health Check Failure";
+        protected const string APPLICATION_UPDATE_TITLE = "Application Updated";
 
         protected const string HEALTH_ISSUE_TITLE_BRANDED = "Prowlarr - " + HEALTH_ISSUE_TITLE;
+        protected const string APPLICATION_UPDATE_TITLE_BRANDED = "Prowlarr - " + APPLICATION_UPDATE_TITLE;
 
         public abstract string Name { get; }
 
@@ -29,11 +31,16 @@ namespace NzbDrone.Core.Notifications
         {
         }
 
+        public virtual void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+        }
+
         public virtual void ProcessQueue()
         {
         }
 
         public bool SupportsOnHealthIssue => HasConcreteImplementation("OnHealthIssue");
+        public bool SupportsOnApplicationUpdate => HasConcreteImplementation("OnApplicationUpdate");
 
         protected TSettings Settings => (TSettings)Definition.Settings;
 

src/NzbDrone.Core/Notifications/NotificationDefinition.cs

@@ -5,9 +5,11 @@ namespace NzbDrone.Core.Notifications
     public class NotificationDefinition : ProviderDefinition
     {
         public bool OnHealthIssue { get; set; }
+        public bool OnApplicationUpdate { get; set; }
         public bool SupportsOnHealthIssue { get; set; }
         public bool IncludeHealthWarnings { get; set; }
+        public bool SupportsOnApplicationUpdate { get; set; }
 
-        public override bool Enable => OnHealthIssue;
+        public override bool Enable => OnHealthIssue || OnApplicationUpdate;
     }
 }

src/NzbDrone.Core/Notifications/NotificationFactory.cs

@@ -10,6 +10,7 @@ namespace NzbDrone.Core.Notifications
     public interface INotificationFactory : IProviderFactory<INotification, NotificationDefinition>
     {
         List<INotification> OnHealthIssueEnabled();
+        List<INotification> OnApplicationUpdateEnabled();
     }
 
     public class NotificationFactory : ProviderFactory<INotification, NotificationDefinition>, INotificationFactory
@@ -24,11 +25,17 @@ namespace NzbDrone.Core.Notifications
             return GetAvailableProviders().Where(n => ((NotificationDefinition)n.Definition).OnHealthIssue).ToList();
         }
 
+        public List<INotification> OnApplicationUpdateEnabled()
+        {
+            return GetAvailableProviders().Where(n => ((NotificationDefinition)n.Definition).OnApplicationUpdate).ToList();
+        }
+
         public override void SetProviderCharacteristics(INotification provider, NotificationDefinition definition)
         {
             base.SetProviderCharacteristics(provider, definition);
 
             definition.SupportsOnHealthIssue = provider.SupportsOnHealthIssue;
+            definition.SupportsOnApplicationUpdate = provider.SupportsOnApplicationUpdate;
         }
     }
 }

src/NzbDrone.Core/Notifications/NotificationService.cs

@@ -2,12 +2,14 @@ using System;
 using NLog;
 using NzbDrone.Core.HealthCheck;
 using NzbDrone.Core.Messaging.Events;
+using NzbDrone.Core.Update.History.Events;
 
 namespace NzbDrone.Core.Notifications
 {
     public class NotificationService
         : IHandle<HealthCheckFailedEvent>,
-          IHandleAsync<HealthCheckCompleteEvent>
+          IHandleAsync<HealthCheckCompleteEvent>,
+          IHandle<UpdateInstalledEvent>
     {
         private readonly INotificationFactory _notificationFactory;
         private readonly Logger _logger;
@@ -56,6 +58,26 @@ namespace NzbDrone.Core.Notifications
             ProcessQueue();
         }
 
+        public void Handle(UpdateInstalledEvent message)
+        {
+            var updateMessage = new ApplicationUpdateMessage();
+            updateMessage.Message = $"Prowlarr updated from {message.PreviousVerison.ToString()} to {message.NewVersion.ToString()}";
+            updateMessage.PreviousVersion = message.PreviousVerison;
+            updateMessage.NewVersion = message.NewVersion;
+
+            foreach (var notification in _notificationFactory.OnApplicationUpdateEnabled())
+            {
+                try
+                {
+                    notification.OnApplicationUpdate(updateMessage);
+                }
+                catch (Exception ex)
+                {
+                    _logger.Warn(ex, "Unable to send OnApplicationUpdate notification to: " + notification.Definition.Name);
+                }
+            }
+        }
+
         private void ProcessQueue()
         {
             foreach (var notification in _notificationFactory.GetAvailableProviders())

src/NzbDrone.Core/Notifications/Prowl/Prowl.cs

@@ -21,6 +21,11 @@ namespace NzbDrone.Core.Notifications.Prowl
             _prowlProxy.SendNotification(HEALTH_ISSUE_TITLE, healthCheck.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _prowlProxy.SendNotification(APPLICATION_UPDATE_TITLE, updateMessage.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/PushBullet/PushBullet.cs

@@ -24,6 +24,11 @@ namespace NzbDrone.Core.Notifications.PushBullet
             _proxy.SendNotification(HEALTH_ISSUE_TITLE_BRANDED, healthCheck.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _proxy.SendNotification(APPLICATION_UPDATE_TITLE_BRANDED, updateMessage.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Pushover/Pushover.cs

@@ -21,6 +21,11 @@ namespace NzbDrone.Core.Notifications.Pushover
             _proxy.SendNotification(HEALTH_ISSUE_TITLE, healthCheck.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _proxy.SendNotification(APPLICATION_UPDATE_TITLE, updateMessage.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/SendGrid/SendGrid.cs

@@ -24,6 +24,11 @@ namespace NzbDrone.Core.Notifications.SendGrid
             _proxy.SendNotification(HEALTH_ISSUE_TITLE, healthCheck.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _proxy.SendNotification(APPLICATION_UPDATE_TITLE, updateMessage.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Slack/Slack.cs

@@ -36,6 +36,23 @@ namespace NzbDrone.Core.Notifications.Slack
             _proxy.SendPayload(payload, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            var attachments = new List<Attachment>
+                              {
+                                  new Attachment
+                                  {
+                                      Title = Environment.MachineName,
+                                      Text = updateMessage.Message,
+                                      Color = "good"
+                                  }
+                              };
+
+            var payload = CreatePayload("Application Updated", attachments);
+
+            _proxy.SendPayload(payload, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Telegram/Telegram.cs

@@ -21,6 +21,11 @@ namespace NzbDrone.Core.Notifications.Telegram
             _proxy.SendNotification(HEALTH_ISSUE_TITLE, healthCheck.Message, Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _proxy.SendNotification(APPLICATION_UPDATE_TITLE, updateMessage.Message, Settings);
+        }
+
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();

src/NzbDrone.Core/Notifications/Twitter/Twitter.cs

@@ -23,6 +23,11 @@ namespace NzbDrone.Core.Notifications.Twitter
             _twitterService.SendNotification($"Health Issue: {healthCheck.Message}", Settings);
         }
 
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            _twitterService.SendNotification($"Application Updated: {updateMessage.Message}", Settings);
+        }
+
         public override object RequestAction(string action, IDictionary<string, string> query)
         {
             if (action == "startOAuth")

src/NzbDrone.Core/Notifications/Webhook/Webhook.cs

@@ -19,13 +19,26 @@ namespace NzbDrone.Core.Notifications.Webhook
         public override void OnHealthIssue(HealthCheck.HealthCheck healthCheck)
         {
             var payload = new WebhookHealthPayload
-                          {
-                              EventType = WebhookEventType.Health,
-                              Level = healthCheck.Type,
-                              Message = healthCheck.Message,
-                              Type = healthCheck.Source.Name,
-                              WikiUrl = healthCheck.WikiUrl?.ToString()
-                          };
+            {
+                EventType = WebhookEventType.Health,
+                Level = healthCheck.Type,
+                Message = healthCheck.Message,
+                Type = healthCheck.Source.Name,
+                WikiUrl = healthCheck.WikiUrl?.ToString()
+            };
+
+            _proxy.SendWebhook(payload, Settings);
+        }
+
+        public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
+        {
+            var payload = new WebhookApplicationUpdatePayload
+            {
+                EventType = WebhookEventType.ApplicationUpdate,
+                Message = updateMessage.Message,
+                PreviousVersion = updateMessage.PreviousVersion.ToString(),
+                NewVersion = updateMessage.NewVersion.ToString()
+            };
 
             _proxy.SendWebhook(payload, Settings);
         }

src/NzbDrone.Core/Notifications/Webhook/WebhookApplicationUpdatePayload.cs

@@ -0,0 +1,11 @@
+using NzbDrone.Core.HealthCheck;
+
+namespace NzbDrone.Core.Notifications.Webhook
+{
+    public class WebhookApplicationUpdatePayload : WebhookPayload
+    {
+        public string Message { get; set; }
+        public string PreviousVersion { get; set; }
+        public string NewVersion { get; set; }
+    }
+}

src/NzbDrone.Core/Notifications/Webhook/WebhookEventType.cs

@@ -12,6 +12,7 @@ namespace NzbDrone.Core.Notifications.Webhook
         Grab,
         Download,
         Rename,
-        Health
+        Health,
+        ApplicationUpdate
     }
 }

src/Prowlarr.Api.V1/Notifications/NotificationResource.cs

@@ -6,8 +6,10 @@ namespace Prowlarr.Api.V1.Notifications
     {
         public string Link { get; set; }
         public bool OnHealthIssue { get; set; }
+        public bool OnApplicationUpdate { get; set; }
         public bool SupportsOnHealthIssue { get; set; }
         public bool IncludeHealthWarnings { get; set; }
+        public bool SupportsOnApplicationUpdate { get; set; }
         public string TestCommand { get; set; }
     }
 
@@ -25,6 +27,8 @@ namespace Prowlarr.Api.V1.Notifications
             resource.OnHealthIssue = definition.OnHealthIssue;
             resource.SupportsOnHealthIssue = definition.SupportsOnHealthIssue;
             resource.IncludeHealthWarnings = definition.IncludeHealthWarnings;
+            resource.OnApplicationUpdate = definition.OnApplicationUpdate;
+            resource.SupportsOnApplicationUpdate = definition.SupportsOnApplicationUpdate;
 
             return resource;
         }
@@ -41,6 +45,8 @@ namespace Prowlarr.Api.V1.Notifications
             definition.OnHealthIssue = resource.OnHealthIssue;
             definition.SupportsOnHealthIssue = resource.SupportsOnHealthIssue;
             definition.IncludeHealthWarnings = resource.IncludeHealthWarnings;
+            definition.OnApplicationUpdate = resource.OnApplicationUpdate;
+            definition.SupportsOnApplicationUpdate = resource.SupportsOnApplicationUpdate;
 
             return definition;
         }