New: Option to include series image for Gotify notifications

(cherry picked from commit e57e68c97a9d24f8344623ac8f731c2da220686b)

Closes #3240

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

@@ -1,7 +1,11 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
+using System.Text;
 using FluentValidation.Results;
 using NLog;
+using NzbDrone.Core.MediaCover;
+using NzbDrone.Core.Music;
 
 namespace NzbDrone.Core.Notifications.Gotify
 {
@@ -21,47 +25,47 @@ namespace NzbDrone.Core.Notifications.Gotify
 
         public override void OnGrab(GrabMessage grabMessage)
         {
-            _proxy.SendNotification(ALBUM_GRABBED_TITLE, grabMessage.Message, Settings);
+            SendNotification(ALBUM_GRABBED_TITLE, grabMessage.Message, grabMessage.Artist);
         }
 
         public override void OnReleaseImport(AlbumDownloadMessage message)
         {
-            _proxy.SendNotification(ALBUM_DOWNLOADED_TITLE, message.Message, Settings);
+            SendNotification(ALBUM_DOWNLOADED_TITLE, message.Message, message.Artist);
         }
 
         public override void OnAlbumDelete(AlbumDeleteMessage deleteMessage)
         {
-            _proxy.SendNotification(ALBUM_DELETED_TITLE, deleteMessage.Message, Settings);
+            SendNotification(ALBUM_DELETED_TITLE, deleteMessage.Message, deleteMessage.Album?.Artist);
         }
 
         public override void OnArtistDelete(ArtistDeleteMessage deleteMessage)
         {
-            _proxy.SendNotification(ARTIST_DELETED_TITLE, deleteMessage.Message, Settings);
+            SendNotification(ARTIST_DELETED_TITLE, deleteMessage.Message, deleteMessage.Artist);
         }
 
         public override void OnHealthIssue(HealthCheck.HealthCheck healthCheck)
         {
-            _proxy.SendNotification(HEALTH_ISSUE_TITLE, healthCheck.Message, Settings);
+            SendNotification(HEALTH_ISSUE_TITLE, healthCheck.Message, null);
         }
 
         public override void OnHealthRestored(HealthCheck.HealthCheck previousCheck)
         {
-            _proxy.SendNotification(HEALTH_RESTORED_TITLE, $"The following issue is now resolved: {previousCheck.Message}", null);
+            SendNotification(HEALTH_RESTORED_TITLE, $"The following issue is now resolved: {previousCheck.Message}", null);
         }
 
         public override void OnDownloadFailure(DownloadFailedMessage message)
         {
-            _proxy.SendNotification(DOWNLOAD_FAILURE_TITLE, message.Message, Settings);
+            SendNotification(DOWNLOAD_FAILURE_TITLE, message.Message, null);
         }
 
         public override void OnImportFailure(AlbumDownloadMessage message)
         {
-            _proxy.SendNotification(IMPORT_FAILURE_TITLE, message.Message, Settings);
+            SendNotification(IMPORT_FAILURE_TITLE, message.Message, message.Artist);
         }
 
         public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
         {
-            _proxy.SendNotification(APPLICATION_UPDATE_TITLE, updateMessage.Message, Settings);
+            SendNotification(APPLICATION_UPDATE_TITLE, updateMessage.Message, null);
         }
 
         public override ValidationResult Test()
@@ -70,10 +74,29 @@ namespace NzbDrone.Core.Notifications.Gotify
 
             try
             {
+                var isMarkdown = false;
                 const string title = "Test Notification";
-                const string body = "This is a test message from Lidarr";
 
-                _proxy.SendNotification(title, body, Settings);
+                var sb = new StringBuilder();
+                sb.AppendLine("This is a test message from Lidarr");
+
+                if (Settings.IncludeArtistPoster)
+                {
+                    isMarkdown = true;
+
+                    sb.AppendLine("\r![](https://raw.githubusercontent.com/Lidarr/Lidarr/develop/Logo/128.png)");
+                }
+
+                var payload = new GotifyMessage
+                {
+                    Title = title,
+                    Message = sb.ToString(),
+                    Priority = Settings.Priority
+                };
+
+                payload.SetContentType(isMarkdown);
+
+                _proxy.SendNotification(payload, Settings);
             }
             catch (Exception ex)
             {
@@ -83,5 +106,35 @@ namespace NzbDrone.Core.Notifications.Gotify
 
             return new ValidationResult(failures);
         }
+
+        private void SendNotification(string title, string message, Artist artist)
+        {
+            var isMarkdown = false;
+            var sb = new StringBuilder();
+
+            sb.AppendLine(message);
+
+            if (Settings.IncludeArtistPoster && artist != null)
+            {
+                var poster = artist.Metadata.Value.Images.FirstOrDefault(x => x.CoverType == MediaCoverTypes.Poster)?.Url;
+
+                if (poster != null)
+                {
+                    isMarkdown = true;
+                    sb.AppendLine($"\r![]({poster})");
+                }
+            }
+
+            var payload = new GotifyMessage
+            {
+                Title = title,
+                Message = sb.ToString(),
+                Priority = Settings.Priority
+            };
+
+            payload.SetContentType(isMarkdown);
+
+            _proxy.SendNotification(payload, Settings);
+        }
     }
 }

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

@@ -0,0 +1,40 @@
+using Newtonsoft.Json;
+
+namespace NzbDrone.Core.Notifications.Gotify
+{
+    public class GotifyMessage
+    {
+        public string Title { get; set; }
+        public string Message { get; set; }
+        public int Priority { get; set; }
+        public GotifyExtras Extras { get; set; }
+
+        public GotifyMessage()
+        {
+            Extras = new GotifyExtras();
+        }
+
+        public void SetContentType(bool isMarkdown)
+        {
+            var contentType = isMarkdown ? "text/markdown" : "text/plain";
+
+            Extras.ClientDisplay = new GotifyClientDisplay(contentType);
+        }
+    }
+
+    public class GotifyExtras
+    {
+        [JsonProperty("client::display")]
+        public GotifyClientDisplay ClientDisplay { get; set; }
+    }
+
+    public class GotifyClientDisplay
+    {
+        public string ContentType { get; set; }
+
+        public GotifyClientDisplay(string contentType)
+        {
+            ContentType = contentType;
+        }
+    }
+}

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

@@ -1,11 +1,12 @@
 using System.Net;
 using NzbDrone.Common.Http;
+using NzbDrone.Common.Serializer;
 
 namespace NzbDrone.Core.Notifications.Gotify
 {
     public interface IGotifyProxy
     {
-        void SendNotification(string title, string message, GotifySettings settings);
+        void SendNotification(GotifyMessage payload, GotifySettings settings);
     }
 
     public class GotifyProxy : IGotifyProxy
@@ -17,16 +18,20 @@ namespace NzbDrone.Core.Notifications.Gotify
             _httpClient = httpClient;
         }
 
-        public void SendNotification(string title, string message, GotifySettings settings)
+        public void SendNotification(GotifyMessage payload, GotifySettings settings)
         {
             try
             {
-                var request = new HttpRequestBuilder(settings.Server).Resource("message").Post()
-                .AddQueryParam("token", settings.AppToken)
-                .AddFormParameter("title", title)
-                .AddFormParameter("message", message)
-                .AddFormParameter("priority", settings.Priority)
-                .Build();
+                var request = new HttpRequestBuilder(settings.Server)
+                    .Resource("message")
+                    .Post()
+                    .AddQueryParam("token", settings.AppToken)
+                    .Build();
+
+                request.Headers.ContentType = "application/json";
+
+                var json = payload.ToJson();
+                request.SetContent(payload.ToJson());
 
                 _httpClient.Execute(request);
             }

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

@@ -32,6 +32,9 @@ namespace NzbDrone.Core.Notifications.Gotify
         [FieldDefinition(2, Label = "Priority", Type = FieldType.Select, SelectOptions = typeof(GotifyPriority), HelpText = "Priority of the notification")]
         public int Priority { get; set; }
 
+        [FieldDefinition(3, Label = "Include Artist Poster", Type = FieldType.Checkbox, HelpText = "Include artist poster in message")]
+        public bool IncludeArtistPoster { get; set; }
+
         public NzbDroneValidationResult Validate()
         {
             return new NzbDroneValidationResult(Validator.Validate(this));