From f59276881a89735ea8a2a34aa3fae587bef113e6 Mon Sep 17 00:00:00 2001
From: Qstick <qstick@gmail.com>
Date: Tue, 22 Nov 2022 21:17:25 -0600
Subject: [PATCH] Convert Notifiarr Payload to JSON, Standardize with Webhook

---
 .../Notifications/Notifiarr/Notifiarr.cs      | 200 +++---------------
 .../Notifications/Notifiarr/NotifiarrProxy.cs |  72 ++-----
 .../Notifications/Webhook/Webhook.cs          | 145 +------------
 .../Notifications/Webhook/WebhookBase.cs      | 163 ++++++++++++++
 4 files changed, 220 insertions(+), 360 deletions(-)
 create mode 100644 src/NzbDrone.Core/Notifications/Webhook/WebhookBase.cs

diff --git a/src/NzbDrone.Core/Notifications/Notifiarr/Notifiarr.cs b/src/NzbDrone.Core/Notifications/Notifiarr/Notifiarr.cs
index 893d7f02e..64ce13992 100644
--- a/src/NzbDrone.Core/Notifications/Notifiarr/Notifiarr.cs
+++ b/src/NzbDrone.Core/Notifications/Notifiarr/Notifiarr.cs
@@ -1,22 +1,20 @@
-using System;
 using System.Collections.Generic;
-using System.Collections.Specialized;
-using System.IO;
-using System.Linq;
 using FluentValidation.Results;
 using NzbDrone.Common.Extensions;
-using NzbDrone.Core.HealthCheck;
+using NzbDrone.Core.Configuration;
 using NzbDrone.Core.MediaFiles;
-using NzbDrone.Core.MediaFiles.MediaInfo;
+using NzbDrone.Core.Notifications.Webhook;
 using NzbDrone.Core.Tv;
+using NzbDrone.Core.Validation;
 
 namespace NzbDrone.Core.Notifications.Notifiarr
 {
-    public class Notifiarr : NotificationBase<NotifiarrSettings>
+    public class Notifiarr : WebhookBase<NotifiarrSettings>
     {
         private readonly INotifiarrProxy _proxy;
 
-        public Notifiarr(INotifiarrProxy proxy)
+        public Notifiarr(INotifiarrProxy proxy, IConfigFileProvider configFileProvider, IConfigService configService)
+            : base(configFileProvider, configService)
         {
             _proxy = proxy;
         }
@@ -26,202 +24,60 @@ namespace NzbDrone.Core.Notifications.Notifiarr
 
         public override void OnGrab(GrabMessage message)
         {
-            var series = message.Series;
-            var remoteEpisode = message.Episode;
-            var releaseGroup = remoteEpisode.ParsedEpisodeInfo.ReleaseGroup;
-            var variables = new StringDictionary();
-
-            variables.Add("Sonarr_EventType", "Grab");
-            variables.Add("Sonarr_Series_Id", series.Id.ToString());
-            variables.Add("Sonarr_Series_Title", series.Title);
-            variables.Add("Sonarr_Series_TvdbId", series.TvdbId.ToString());
-            variables.Add("Sonarr_Series_TvMazeId", series.TvMazeId.ToString());
-            variables.Add("Sonarr_Series_ImdbId", series.ImdbId ?? string.Empty);
-            variables.Add("Sonarr_Series_Type", series.SeriesType.ToString());
-            variables.Add("Sonarr_Release_EpisodeCount", remoteEpisode.Episodes.Count.ToString());
-            variables.Add("Sonarr_Release_SeasonNumber", remoteEpisode.Episodes.First().SeasonNumber.ToString());
-            variables.Add("Sonarr_Release_EpisodeNumbers", string.Join(",", remoteEpisode.Episodes.Select(e => e.EpisodeNumber)));
-            variables.Add("Sonarr_Release_AbsoluteEpisodeNumbers", string.Join(",", remoteEpisode.Episodes.Select(e => e.AbsoluteEpisodeNumber)));
-            variables.Add("Sonarr_Release_EpisodeAirDates", string.Join(",", remoteEpisode.Episodes.Select(e => e.AirDate)));
-            variables.Add("Sonarr_Release_EpisodeAirDatesUtc", string.Join(",", remoteEpisode.Episodes.Select(e => e.AirDateUtc)));
-            variables.Add("Sonarr_Release_EpisodeTitles", string.Join("|", remoteEpisode.Episodes.Select(e => e.Title)));
-            variables.Add("Sonarr_Release_Title", remoteEpisode.Release.Title);
-            variables.Add("Sonarr_Release_Indexer", remoteEpisode.Release.Indexer ?? string.Empty);
-            variables.Add("Sonarr_Release_Size", remoteEpisode.Release.Size.ToString());
-            variables.Add("Sonarr_Release_Quality", remoteEpisode.ParsedEpisodeInfo.Quality.Quality.Name);
-            variables.Add("Sonarr_Release_QualityVersion", remoteEpisode.ParsedEpisodeInfo.Quality.Revision.Version.ToString());
-            variables.Add("Sonarr_Release_ReleaseGroup", releaseGroup ?? string.Empty);
-            variables.Add("Sonarr_Download_Client", message.DownloadClientName ?? string.Empty);
-            variables.Add("Sonarr_Download_Client_Type", message.DownloadClientType ?? string.Empty);
-            variables.Add("Sonarr_Download_Id", message.DownloadId ?? string.Empty);
-            variables.Add("Sonarr_Release_CustomFormat", string.Join("|", remoteEpisode.CustomFormats));
-            variables.Add("Sonarr_Release_CustomFormatScore", remoteEpisode.CustomFormatScore.ToString());
-
-            _proxy.SendNotification(variables, Settings);
+            _proxy.SendNotification(BuildOnGrabPayload(message), Settings);
         }
 
         public override void OnDownload(DownloadMessage message)
         {
-            var series = message.Series;
-            var episodeFile = message.EpisodeFile;
-            var sourcePath = message.SourcePath;
-            var variables = new StringDictionary();
-
-            variables.Add("Sonarr_EventType", "Download");
-            variables.Add("Sonarr_IsUpgrade", message.OldFiles.Any().ToString());
-            variables.Add("Sonarr_Series_Id", series.Id.ToString());
-            variables.Add("Sonarr_Series_Title", series.Title);
-            variables.Add("Sonarr_Series_Path", series.Path);
-            variables.Add("Sonarr_Series_TvdbId", series.TvdbId.ToString());
-            variables.Add("Sonarr_Series_TvMazeId", series.TvMazeId.ToString());
-            variables.Add("Sonarr_Series_ImdbId", series.ImdbId ?? string.Empty);
-            variables.Add("Sonarr_Series_Type", series.SeriesType.ToString());
-            variables.Add("Sonarr_EpisodeFile_Id", episodeFile.Id.ToString());
-            variables.Add("Sonarr_EpisodeFile_EpisodeCount", episodeFile.Episodes.Value.Count.ToString());
-            variables.Add("Sonarr_EpisodeFile_RelativePath", episodeFile.RelativePath);
-            variables.Add("Sonarr_EpisodeFile_Path", Path.Combine(series.Path, episodeFile.RelativePath));
-            variables.Add("Sonarr_EpisodeFile_EpisodeIds", string.Join(",", episodeFile.Episodes.Value.Select(e => e.Id)));
-            variables.Add("Sonarr_EpisodeFile_SeasonNumber", episodeFile.SeasonNumber.ToString());
-            variables.Add("Sonarr_EpisodeFile_EpisodeNumbers", string.Join(",", episodeFile.Episodes.Value.Select(e => e.EpisodeNumber)));
-            variables.Add("Sonarr_EpisodeFile_EpisodeAirDates", string.Join(",", episodeFile.Episodes.Value.Select(e => e.AirDate)));
-            variables.Add("Sonarr_EpisodeFile_EpisodeAirDatesUtc", string.Join(",", episodeFile.Episodes.Value.Select(e => e.AirDateUtc)));
-            variables.Add("Sonarr_EpisodeFile_EpisodeTitles", string.Join("|", episodeFile.Episodes.Value.Select(e => e.Title)));
-            variables.Add("Sonarr_EpisodeFile_Quality", episodeFile.Quality.Quality.Name);
-            variables.Add("Sonarr_EpisodeFile_QualityVersion", episodeFile.Quality.Revision.Version.ToString());
-            variables.Add("Sonarr_EpisodeFile_ReleaseGroup", episodeFile.ReleaseGroup ?? string.Empty);
-            variables.Add("Sonarr_EpisodeFile_SceneName", episodeFile.SceneName ?? string.Empty);
-            variables.Add("Sonarr_EpisodeFile_SourcePath", sourcePath);
-            variables.Add("Sonarr_EpisodeFile_SourceFolder", Path.GetDirectoryName(sourcePath));
-            variables.Add("Sonarr_Download_Client", message.DownloadClientInfo?.Name ?? string.Empty);
-            variables.Add("Sonarr_Download_Client_Type", message.DownloadClientInfo?.Type ?? string.Empty);
-            variables.Add("Sonarr_Download_Id", message.DownloadId ?? string.Empty);
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_AudioChannels", MediaInfoFormatter.FormatAudioChannels(episodeFile.MediaInfo).ToString());
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_AudioCodec", MediaInfoFormatter.FormatAudioCodec(episodeFile.MediaInfo, null));
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_AudioLanguages", episodeFile.MediaInfo.AudioLanguages.Distinct().ConcatToString(" / "));
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_Languages", episodeFile.MediaInfo.AudioLanguages.ConcatToString(" / "));
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_Height", episodeFile.MediaInfo.Height.ToString());
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_Width", episodeFile.MediaInfo.Width.ToString());
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_Subtitles", episodeFile.MediaInfo.Subtitles.ConcatToString(" / "));
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_VideoCodec", MediaInfoFormatter.FormatVideoCodec(episodeFile.MediaInfo, null));
-            variables.Add("Sonarr_EpisodeFile_MediaInfo_VideoDynamicRangeType", MediaInfoFormatter.FormatVideoDynamicRangeType(episodeFile.MediaInfo));
-            variables.Add("Sonarr_EpisodeFile_CustomFormat", string.Join("|", message.EpisodeInfo.CustomFormats));
-            variables.Add("Sonarr_EpisodeFile_CustomFormatScore", message.EpisodeInfo.CustomFormatScore.ToString());
-
-            if (message.OldFiles.Any())
-            {
-                variables.Add("Sonarr_DeletedRelativePaths", string.Join("|", message.OldFiles.Select(e => e.RelativePath)));
-                variables.Add("Sonarr_DeletedPaths", string.Join("|", message.OldFiles.Select(e => Path.Combine(series.Path, e.RelativePath))));
-                variables.Add("Sonarr_DeletedDateAdded", string.Join("|", message.OldFiles.Select(e => e.DateAdded)));
-            }
-
-            _proxy.SendNotification(variables, Settings);
+            _proxy.SendNotification(BuildOnDownloadPayload(message), Settings);
         }
 
         public override void OnRename(Series series, List<RenamedEpisodeFile> renamedFiles)
         {
-            var variables = new StringDictionary();
-
-            variables.Add("Sonarr_EventType", "Rename");
-            variables.Add("Sonarr_Series_Id", series.Id.ToString());
-            variables.Add("Sonarr_Series_Title", series.Title);
-            variables.Add("Sonarr_Series_Path", series.Path);
-            variables.Add("Sonarr_Series_TvdbId", series.TvdbId.ToString());
-            variables.Add("Sonarr_Series_TvMazeId", series.TvMazeId.ToString());
-            variables.Add("Sonarr_Series_ImdbId", series.ImdbId ?? string.Empty);
-            variables.Add("Sonarr_Series_Type", series.SeriesType.ToString());
-            variables.Add("Sonarr_EpisodeFile_Ids", string.Join(",", renamedFiles.Select(e => e.EpisodeFile.Id)));
-            variables.Add("Sonarr_EpisodeFile_RelativePaths", string.Join("|", renamedFiles.Select(e => e.EpisodeFile.RelativePath)));
-            variables.Add("Sonarr_EpisodeFile_Paths", string.Join("|", renamedFiles.Select(e => e.EpisodeFile.Path)));
-            variables.Add("Sonarr_EpisodeFile_PreviousRelativePaths", string.Join("|", renamedFiles.Select(e => e.PreviousRelativePath)));
-            variables.Add("Sonarr_EpisodeFile_PreviousPaths", string.Join("|", renamedFiles.Select(e => e.PreviousPath)));
-
-            _proxy.SendNotification(variables, Settings);
+            _proxy.SendNotification(BuildOnRenamePayload(series, renamedFiles), Settings);
         }
 
         public override void OnEpisodeFileDelete(EpisodeDeleteMessage deleteMessage)
         {
-            var series = deleteMessage.Series;
-            var episodeFile = deleteMessage.EpisodeFile;
-
-            var variables = new StringDictionary();
-
-            variables.Add("Sonarr_EventType", "EpisodeFileDelete");
-            variables.Add("Sonarr_EpisodeFile_DeleteReason", deleteMessage.Reason.ToString());
-            variables.Add("Sonarr_Series_Id", series.Id.ToString());
-            variables.Add("Sonarr_Series_Title", series.Title);
-            variables.Add("Sonarr_Series_Path", series.Path);
-            variables.Add("Sonarr_Series_TvdbId", series.TvdbId.ToString());
-            variables.Add("Sonarr_Series_TvMazeId", series.TvMazeId.ToString());
-            variables.Add("Sonarr_Series_ImdbId", series.ImdbId ?? string.Empty);
-            variables.Add("Sonarr_Series_Type", series.SeriesType.ToString());
-            variables.Add("Sonarr_EpisodeFile_Id", episodeFile.Id.ToString());
-            variables.Add("Sonarr_EpisodeFile_EpisodeCount", episodeFile.Episodes.Value.Count.ToString());
-            variables.Add("Sonarr_EpisodeFile_RelativePath", episodeFile.RelativePath);
-            variables.Add("Sonarr_EpisodeFile_Path", Path.Combine(series.Path, episodeFile.RelativePath));
-            variables.Add("Sonarr_EpisodeFile_EpisodeIds", string.Join(",", episodeFile.Episodes.Value.Select(e => e.Id)));
-            variables.Add("Sonarr_EpisodeFile_SeasonNumber", episodeFile.SeasonNumber.ToString());
-            variables.Add("Sonarr_EpisodeFile_EpisodeNumbers", string.Join(",", episodeFile.Episodes.Value.Select(e => e.EpisodeNumber)));
-            variables.Add("Sonarr_EpisodeFile_EpisodeAirDates", string.Join(",", episodeFile.Episodes.Value.Select(e => e.AirDate)));
-            variables.Add("Sonarr_EpisodeFile_EpisodeAirDatesUtc", string.Join(",", episodeFile.Episodes.Value.Select(e => e.AirDateUtc)));
-            variables.Add("Sonarr_EpisodeFile_EpisodeTitles", string.Join("|", episodeFile.Episodes.Value.Select(e => e.Title)));
-            variables.Add("Sonarr_EpisodeFile_Quality", episodeFile.Quality.Quality.Name);
-            variables.Add("Sonarr_EpisodeFile_QualityVersion", episodeFile.Quality.Revision.Version.ToString());
-            variables.Add("Sonarr_EpisodeFile_ReleaseGroup", episodeFile.ReleaseGroup ?? string.Empty);
-            variables.Add("Sonarr_EpisodeFile_SceneName", episodeFile.SceneName ?? string.Empty);
-
-            _proxy.SendNotification(variables, Settings);
+            _proxy.SendNotification(BuildOnEpisodeFileDelete(deleteMessage), Settings);
         }
 
         public override void OnSeriesDelete(SeriesDeleteMessage deleteMessage)
         {
-            var series = deleteMessage.Series;
-            var variables = new StringDictionary();
-
-            variables.Add("Sonarr_EventType", "SeriesDelete");
-            variables.Add("Sonarr_Series_Id", series.Id.ToString());
-            variables.Add("Sonarr_Series_Title", series.Title);
-            variables.Add("Sonarr_Series_Path", series.Path);
-            variables.Add("Sonarr_Series_TvdbId", series.TvdbId.ToString());
-            variables.Add("Sonarr_Series_TvMazeId", series.TvMazeId.ToString());
-            variables.Add("Sonarr_Series_ImdbId", series.ImdbId ?? string.Empty);
-            variables.Add("Sonarr_Series_Type", series.SeriesType.ToString());
-            variables.Add("Sonarr_Series_DeletedFiles", deleteMessage.DeletedFiles.ToString());
-
-            _proxy.SendNotification(variables, Settings);
+            _proxy.SendNotification(BuildOnSeriesDelete(deleteMessage), Settings);
         }
 
         public override void OnHealthIssue(HealthCheck.HealthCheck healthCheck)
         {
-            var variables = new StringDictionary();
-
-            variables.Add("Sonarr_EventType", "HealthIssue");
-            variables.Add("Sonarr_Health_Issue_Level", Enum.GetName(typeof(HealthCheckResult), healthCheck.Type));
-            variables.Add("Sonarr_Health_Issue_Message", healthCheck.Message);
-            variables.Add("Sonarr_Health_Issue_Type", healthCheck.Source.Name);
-            variables.Add("Sonarr_Health_Issue_Wiki", healthCheck.WikiUrl.ToString() ?? string.Empty);
-
-            _proxy.SendNotification(variables, Settings);
+            _proxy.SendNotification(BuildHealthPayload(healthCheck), Settings);
         }
 
         public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
         {
-            var variables = new StringDictionary();
-
-            variables.Add("Sonarr_EventType", "ApplicationUpdate");
-            variables.Add("Sonarr_Update_Message", updateMessage.Message);
-            variables.Add("Sonarr_Update_NewVersion", updateMessage.NewVersion.ToString());
-            variables.Add("Sonarr_Update_PreviousVersion", updateMessage.PreviousVersion.ToString());
-
-            _proxy.SendNotification(variables, Settings);
+            _proxy.SendNotification(BuildApplicationUpdatePayload(updateMessage), Settings);
         }
 
         public override ValidationResult Test()
         {
             var failures = new List<ValidationFailure>();
 
-            failures.AddIfNotNull(_proxy.Test(Settings));
+            failures.AddIfNotNull(SendWebhookTest());
 
             return new ValidationResult(failures);
         }
+
+        private ValidationFailure SendWebhookTest()
+        {
+            try
+            {
+                _proxy.SendNotification(BuildTestPayload(), Settings);
+            }
+            catch (NotifiarrException ex)
+            {
+                return new NzbDroneValidationFailure("APIKey", ex.Message);
+            }
+
+            return null;
+        }
     }
 }
diff --git a/src/NzbDrone.Core/Notifications/Notifiarr/NotifiarrProxy.cs b/src/NzbDrone.Core/Notifications/Notifiarr/NotifiarrProxy.cs
index aad2fc8ac..81d41b862 100644
--- a/src/NzbDrone.Core/Notifications/Notifiarr/NotifiarrProxy.cs
+++ b/src/NzbDrone.Core/Notifications/Notifiarr/NotifiarrProxy.cs
@@ -1,81 +1,46 @@
-using System;
-using System.Collections.Specialized;
-using FluentValidation.Results;
+using System.Net.Http;
 using NLog;
-using NzbDrone.Common.Extensions;
 using NzbDrone.Common.Http;
-using NzbDrone.Core.Configuration;
+using NzbDrone.Common.Serializer;
+using NzbDrone.Core.Notifications.Webhook;
 
 namespace NzbDrone.Core.Notifications.Notifiarr
 {
     public interface INotifiarrProxy
     {
-        void SendNotification(StringDictionary message, NotifiarrSettings settings);
-        ValidationFailure Test(NotifiarrSettings settings);
+        void SendNotification(WebhookPayload payload, NotifiarrSettings settings);
     }
 
     public class NotifiarrProxy : INotifiarrProxy
     {
         private const string URL = "https://notifiarr.com";
         private readonly IHttpClient _httpClient;
-        private readonly IConfigFileProvider _configFileProvider;
         private readonly Logger _logger;
 
-        public NotifiarrProxy(IHttpClient httpClient, IConfigFileProvider configFileProvider, Logger logger)
+        public NotifiarrProxy(IHttpClient httpClient, Logger logger)
         {
             _httpClient = httpClient;
-            _configFileProvider = configFileProvider;
             _logger = logger;
         }
 
-        public void SendNotification(StringDictionary message, NotifiarrSettings settings)
+        public void SendNotification(WebhookPayload payload, NotifiarrSettings settings)
         {
-            try
-            {
-                ProcessNotification(message, settings);
-            }
-            catch (NotifiarrException ex)
-            {
-                throw ex;
-            }
+            ProcessNotification(payload, settings);
         }
 
-        public ValidationFailure Test(NotifiarrSettings settings)
+        private void ProcessNotification(WebhookPayload payload, NotifiarrSettings settings)
         {
             try
             {
-                var variables = new StringDictionary();
-                variables.Add("Sonarr_EventType", "Test");
+                var request = new HttpRequestBuilder(URL + "/api/v1/notification/sonarr")
+                    .Accept(HttpAccept.Json)
+                    .SetHeader("X-API-Key", settings.ApiKey)
+                    .Build();
 
-                SendNotification(variables, settings);
-                return null;
-            }
-            catch (NotifiarrException ex)
-            {
-                return new ValidationFailure("ApiKey", ex.Message);
-            }
-            catch (Exception ex)
-            {
-                _logger.Error(ex, ex.Message);
-                return new ValidationFailure(string.Empty, "$Unable to send test notification: {ex.Message}. Check the log surrounding this error for details");
-            }
-        }
+                request.Method = HttpMethod.Post;
 
-        private void ProcessNotification(StringDictionary message, NotifiarrSettings settings)
-        {
-            try
-            {
-                var instanceName = _configFileProvider.InstanceName;
-                var requestBuilder = new HttpRequestBuilder(URL + "/api/v1/notification/sonarr").Post();
-                requestBuilder.AddFormParameter("instanceName", instanceName).Build();
-                requestBuilder.SetHeader("X-API-Key", settings.ApiKey);
-
-                foreach (string key in message.Keys)
-                {
-                    requestBuilder.AddFormParameter(key, message[key]);
-                }
-
-                var request = requestBuilder.Build();
+                request.Headers.ContentType = "application/json";
+                request.SetContent(payload.ToJson());
 
                 _httpClient.Post(request);
             }
@@ -85,22 +50,21 @@ namespace NzbDrone.Core.Notifications.Notifiarr
                 switch ((int)responseCode)
                 {
                     case 401:
-                        _logger.Error("Unauthorized", "HTTP 401 - API key is invalid");
+                        _logger.Error("HTTP 401 - API key is invalid");
                         throw new NotifiarrException("API key is invalid");
                     case 400:
-                        _logger.Error("Invalid Request", "HTTP 400 - Unable to send notification. Ensure Sonarr Integration is enabled & assigned a channel on Notifiarr");
+                        _logger.Error("HTTP 400 - Unable to send notification. Ensure Sonarr Integration is enabled & assigned a channel on Notifiarr");
                         throw new NotifiarrException("Unable to send notification. Ensure Sonarr Integration is enabled & assigned a channel on Notifiarr");
                     case 502:
                     case 503:
                     case 504:
-                        _logger.Error("Service Unavailable", "Unable to send notification. Service Unavailable");
+                        _logger.Error("Unable to send notification. Service Unavailable");
                         throw new NotifiarrException("Unable to send notification. Service Unavailable", ex);
                     case 520:
                     case 521:
                     case 522:
                     case 523:
                     case 524:
-                        _logger.Error(ex, "Cloudflare Related HTTP Error - Unable to send notification");
                         throw new NotifiarrException("Cloudflare Related HTTP Error - Unable to send notification", ex);
                     default:
                         _logger.Error(ex, "Unknown HTTP Error - Unable to send notification");
diff --git a/src/NzbDrone.Core/Notifications/Webhook/Webhook.cs b/src/NzbDrone.Core/Notifications/Webhook/Webhook.cs
index 59da139a4..6e19a6f28 100644
--- a/src/NzbDrone.Core/Notifications/Webhook/Webhook.cs
+++ b/src/NzbDrone.Core/Notifications/Webhook/Webhook.cs
@@ -1,6 +1,4 @@
 using System.Collections.Generic;
-using System.IO;
-using System.Linq;
 using FluentValidation.Results;
 using NzbDrone.Common.Extensions;
 using NzbDrone.Core.Configuration;
@@ -10,18 +8,13 @@ using NzbDrone.Core.Validation;
 
 namespace NzbDrone.Core.Notifications.Webhook
 {
-    public class Webhook : NotificationBase<WebhookSettings>
+    public class Webhook : WebhookBase<WebhookSettings>
     {
-        private readonly IConfigFileProvider _configFileProvider;
-        private readonly IConfigService _configService;
         private readonly IWebhookProxy _proxy;
 
-        public Webhook(IConfigFileProvider configFileProvider,
-            IConfigService configService,
-            IWebhookProxy proxy)
+        public Webhook(IWebhookProxy proxy, IConfigFileProvider configFileProvider, IConfigService configService)
+            : base(configFileProvider, configService)
         {
-            _configFileProvider = configFileProvider;
-            _configService = configService;
             _proxy = proxy;
         }
 
@@ -29,129 +22,37 @@ namespace NzbDrone.Core.Notifications.Webhook
 
         public override void OnGrab(GrabMessage message)
         {
-            var remoteEpisode = message.Episode;
-            var quality = message.Quality;
-
-            var payload = new WebhookGrabPayload
-            {
-                EventType = WebhookEventType.Grab,
-                InstanceName = _configFileProvider.InstanceName,
-                ApplicationUrl = _configService.ApplicationUrl,
-                Series = new WebhookSeries(message.Series),
-                Episodes = remoteEpisode.Episodes.ConvertAll(x => new WebhookEpisode(x)),
-                Release = new WebhookRelease(quality, remoteEpisode),
-                DownloadClient = message.DownloadClientName,
-                DownloadClientType = message.DownloadClientType,
-                DownloadId = message.DownloadId,
-                CustomFormatInfo = new WebhookCustomFormatInfo(remoteEpisode.CustomFormats, remoteEpisode.CustomFormatScore)
-            };
-
-            _proxy.SendWebhook(payload, Settings);
+            _proxy.SendWebhook(BuildOnGrabPayload(message), Settings);
         }
 
         public override void OnDownload(DownloadMessage message)
         {
-            var episodeFile = message.EpisodeFile;
-
-            var payload = new WebhookImportPayload
-            {
-                EventType = WebhookEventType.Download,
-                InstanceName = _configFileProvider.InstanceName,
-                ApplicationUrl = _configService.ApplicationUrl,
-                Series = new WebhookSeries(message.Series),
-                Episodes = episodeFile.Episodes.Value.ConvertAll(x => new WebhookEpisode(x)),
-                EpisodeFile = new WebhookEpisodeFile(episodeFile),
-                IsUpgrade = message.OldFiles.Any(),
-                DownloadClient = message.DownloadClientInfo?.Name,
-                DownloadClientType = message.DownloadClientInfo?.Type,
-                DownloadId = message.DownloadId,
-                CustomFormatInfo = new WebhookCustomFormatInfo(message.EpisodeInfo.CustomFormats, message.EpisodeInfo.CustomFormatScore)
-            };
-
-            if (message.OldFiles.Any())
-            {
-                payload.DeletedFiles = message.OldFiles.ConvertAll(x => new WebhookEpisodeFile(x)
-                {
-                    Path = Path.Combine(message.Series.Path, x.RelativePath)
-                });
-            }
-
-            _proxy.SendWebhook(payload, Settings);
+            _proxy.SendWebhook(BuildOnDownloadPayload(message), Settings);
         }
 
         public override void OnRename(Series series, List<RenamedEpisodeFile> renamedFiles)
         {
-            var payload = new WebhookRenamePayload
-            {
-                EventType = WebhookEventType.Rename,
-                InstanceName = _configFileProvider.InstanceName,
-                ApplicationUrl = _configService.ApplicationUrl,
-                Series = new WebhookSeries(series),
-                RenamedEpisodeFiles = renamedFiles.ConvertAll(x => new WebhookRenamedEpisodeFile(x))
-            };
-
-            _proxy.SendWebhook(payload, Settings);
+            _proxy.SendWebhook(BuildOnRenamePayload(series, renamedFiles), Settings);
         }
 
         public override void OnEpisodeFileDelete(EpisodeDeleteMessage deleteMessage)
         {
-            var payload = new WebhookEpisodeDeletePayload
-            {
-                EventType = WebhookEventType.EpisodeFileDelete,
-                InstanceName = _configFileProvider.InstanceName,
-                ApplicationUrl = _configService.ApplicationUrl,
-                Series = new WebhookSeries(deleteMessage.Series),
-                Episodes = deleteMessage.EpisodeFile.Episodes.Value.ConvertAll(x => new WebhookEpisode(x)),
-                EpisodeFile = deleteMessage.EpisodeFile,
-                DeleteReason = deleteMessage.Reason
-            };
-
-            _proxy.SendWebhook(payload, Settings);
+            _proxy.SendWebhook(BuildOnEpisodeFileDelete(deleteMessage), Settings);
         }
 
         public override void OnSeriesDelete(SeriesDeleteMessage deleteMessage)
         {
-            var payload = new WebhookSeriesDeletePayload
-            {
-                EventType = WebhookEventType.SeriesDelete,
-                InstanceName = _configFileProvider.InstanceName,
-                ApplicationUrl = _configService.ApplicationUrl,
-                Series = new WebhookSeries(deleteMessage.Series),
-                DeletedFiles = deleteMessage.DeletedFiles
-            };
-
-            _proxy.SendWebhook(payload, Settings);
+            _proxy.SendWebhook(BuildOnSeriesDelete(deleteMessage), Settings);
         }
 
         public override void OnHealthIssue(HealthCheck.HealthCheck healthCheck)
         {
-            var payload = new WebhookHealthPayload
-            {
-                EventType = WebhookEventType.Health,
-                InstanceName = _configFileProvider.InstanceName,
-                ApplicationUrl = _configService.ApplicationUrl,
-                Level = healthCheck.Type,
-                Message = healthCheck.Message,
-                Type = healthCheck.Source.Name,
-                WikiUrl = healthCheck.WikiUrl?.ToString()
-            };
-
-            _proxy.SendWebhook(payload, Settings);
+            _proxy.SendWebhook(BuildHealthPayload(healthCheck), Settings);
         }
 
         public override void OnApplicationUpdate(ApplicationUpdateMessage updateMessage)
         {
-            var payload = new WebhookApplicationUpdatePayload
-            {
-                EventType = WebhookEventType.ApplicationUpdate,
-                InstanceName = _configFileProvider.InstanceName,
-                ApplicationUrl = _configService.ApplicationUrl,
-                Message = updateMessage.Message,
-                PreviousVersion = updateMessage.PreviousVersion.ToString(),
-                NewVersion = updateMessage.NewVersion.ToString()
-            };
-
-            _proxy.SendWebhook(payload, Settings);
+            _proxy.SendWebhook(BuildApplicationUpdatePayload(updateMessage), Settings);
         }
 
         public override string Name => "Webhook";
@@ -169,31 +70,7 @@ namespace NzbDrone.Core.Notifications.Webhook
         {
             try
             {
-                var payload = new WebhookGrabPayload
-                {
-                    EventType = WebhookEventType.Test,
-                    InstanceName = _configFileProvider.InstanceName,
-                    ApplicationUrl = _configService.ApplicationUrl,
-                    Series = new WebhookSeries()
-                    {
-                        Id = 1,
-                        Title = "Test Title",
-                        Path = "C:\\testpath",
-                        TvdbId = 1234
-                    },
-                    Episodes = new List<WebhookEpisode>()
-                    {
-                        new WebhookEpisode()
-                        {
-                            Id = 123,
-                            EpisodeNumber = 1,
-                            SeasonNumber = 1,
-                            Title = "Test title"
-                        }
-                    }
-                };
-
-                _proxy.SendWebhook(payload, Settings);
+                _proxy.SendWebhook(BuildTestPayload(), Settings);
             }
             catch (WebhookException ex)
             {
diff --git a/src/NzbDrone.Core/Notifications/Webhook/WebhookBase.cs b/src/NzbDrone.Core/Notifications/Webhook/WebhookBase.cs
new file mode 100644
index 000000000..d50c6e04c
--- /dev/null
+++ b/src/NzbDrone.Core/Notifications/Webhook/WebhookBase.cs
@@ -0,0 +1,163 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using NzbDrone.Core.Configuration;
+using NzbDrone.Core.MediaFiles;
+using NzbDrone.Core.ThingiProvider;
+using NzbDrone.Core.Tv;
+
+namespace NzbDrone.Core.Notifications.Webhook
+{
+    public abstract class WebhookBase<TSettings> : NotificationBase<TSettings>
+        where TSettings : IProviderConfig, new()
+    {
+        private readonly IConfigFileProvider _configFileProvider;
+        private readonly IConfigService _configService;
+
+        protected WebhookBase(IConfigFileProvider configFileProvider, IConfigService configService)
+        {
+            _configFileProvider = configFileProvider;
+            _configService = configService;
+        }
+
+        protected WebhookGrabPayload BuildOnGrabPayload(GrabMessage message)
+        {
+            var remoteEpisode = message.Episode;
+            var quality = message.Quality;
+
+            return new WebhookGrabPayload
+            {
+                EventType = WebhookEventType.Grab,
+                InstanceName = _configFileProvider.InstanceName,
+                ApplicationUrl = _configService.ApplicationUrl,
+                Series = new WebhookSeries(message.Series),
+                Episodes = remoteEpisode.Episodes.ConvertAll(x => new WebhookEpisode(x)),
+                Release = new WebhookRelease(quality, remoteEpisode),
+                DownloadClient = message.DownloadClientName,
+                DownloadClientType = message.DownloadClientType,
+                DownloadId = message.DownloadId,
+                CustomFormatInfo = new WebhookCustomFormatInfo(remoteEpisode.CustomFormats, remoteEpisode.CustomFormatScore)
+            };
+        }
+
+        protected WebhookImportPayload BuildOnDownloadPayload(DownloadMessage message)
+        {
+            var episodeFile = message.EpisodeFile;
+
+            var payload = new WebhookImportPayload
+            {
+                EventType = WebhookEventType.Download,
+                InstanceName = _configFileProvider.InstanceName,
+                ApplicationUrl = _configService.ApplicationUrl,
+                Series = new WebhookSeries(message.Series),
+                Episodes = episodeFile.Episodes.Value.ConvertAll(x => new WebhookEpisode(x)),
+                EpisodeFile = new WebhookEpisodeFile(episodeFile),
+                IsUpgrade = message.OldFiles.Any(),
+                DownloadClient = message.DownloadClientInfo?.Name,
+                DownloadClientType = message.DownloadClientInfo?.Type,
+                DownloadId = message.DownloadId,
+                CustomFormatInfo = new WebhookCustomFormatInfo(message.EpisodeInfo.CustomFormats, message.EpisodeInfo.CustomFormatScore)
+            };
+
+            if (message.OldFiles.Any())
+            {
+                payload.DeletedFiles = message.OldFiles.ConvertAll(x => new WebhookEpisodeFile(x)
+                {
+                    Path = Path.Combine(message.Series.Path, x.RelativePath)
+                });
+            }
+
+            return payload;
+        }
+
+        protected WebhookEpisodeDeletePayload BuildOnEpisodeFileDelete(EpisodeDeleteMessage deleteMessage)
+        {
+            return new WebhookEpisodeDeletePayload
+            {
+                EventType = WebhookEventType.EpisodeFileDelete,
+                InstanceName = _configFileProvider.InstanceName,
+                ApplicationUrl = _configService.ApplicationUrl,
+                Series = new WebhookSeries(deleteMessage.Series),
+                Episodes = deleteMessage.EpisodeFile.Episodes.Value.ConvertAll(x => new WebhookEpisode(x)),
+                EpisodeFile = deleteMessage.EpisodeFile,
+                DeleteReason = deleteMessage.Reason
+            };
+        }
+
+        protected WebhookSeriesDeletePayload BuildOnSeriesDelete(SeriesDeleteMessage deleteMessage)
+        {
+            return new WebhookSeriesDeletePayload
+            {
+                EventType = WebhookEventType.SeriesDelete,
+                InstanceName = _configFileProvider.InstanceName,
+                ApplicationUrl = _configService.ApplicationUrl,
+                Series = new WebhookSeries(deleteMessage.Series),
+                DeletedFiles = deleteMessage.DeletedFiles
+            };
+        }
+
+        protected WebhookRenamePayload BuildOnRenamePayload(Series series, List<RenamedEpisodeFile> renamedFiles)
+        {
+            return new WebhookRenamePayload
+            {
+                EventType = WebhookEventType.Rename,
+                InstanceName = _configFileProvider.InstanceName,
+                ApplicationUrl = _configService.ApplicationUrl,
+                Series = new WebhookSeries(series),
+                RenamedEpisodeFiles = renamedFiles.ConvertAll(x => new WebhookRenamedEpisodeFile(x))
+            };
+        }
+
+        protected WebhookHealthPayload BuildHealthPayload(HealthCheck.HealthCheck healthCheck)
+        {
+            return new WebhookHealthPayload
+            {
+                EventType = WebhookEventType.Health,
+                InstanceName = _configFileProvider.InstanceName,
+                Level = healthCheck.Type,
+                Message = healthCheck.Message,
+                Type = healthCheck.Source.Name,
+                WikiUrl = healthCheck.WikiUrl?.ToString()
+            };
+        }
+
+        protected WebhookApplicationUpdatePayload BuildApplicationUpdatePayload(ApplicationUpdateMessage updateMessage)
+        {
+            return new WebhookApplicationUpdatePayload
+            {
+                EventType = WebhookEventType.ApplicationUpdate,
+                InstanceName = _configFileProvider.InstanceName,
+                Message = updateMessage.Message,
+                PreviousVersion = updateMessage.PreviousVersion.ToString(),
+                NewVersion = updateMessage.NewVersion.ToString()
+            };
+        }
+
+        protected WebhookPayload BuildTestPayload()
+        {
+            return new WebhookGrabPayload
+            {
+                EventType = WebhookEventType.Test,
+                InstanceName = _configFileProvider.InstanceName,
+                ApplicationUrl = _configService.ApplicationUrl,
+                Series = new WebhookSeries()
+                {
+                    Id = 1,
+                    Title = "Test Title",
+                    Path = "C:\\testpath",
+                    TvdbId = 1234
+                },
+                Episodes = new List<WebhookEpisode>()
+                {
+                    new WebhookEpisode()
+                    {
+                        Id = 123,
+                        EpisodeNumber = 1,
+                        SeasonNumber = 1,
+                        Title = "Test title"
+                    }
+                }
+            };
+        }
+    }
+}