Ping TubeArchivist API when saving configuration and at boot

Jellyfin.Plugin.TubeArchivistMetadata/Configuration/PluginConfiguration.cs

@@ -13,6 +13,7 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.Configuration
     {
         private ILogger _logger;
         private string _tubeArchivistUrl;
+        private string _tubeArchivistApiKey;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="PluginConfiguration"/> class.
@@ -30,7 +31,7 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.Configuration
 
             CollectionTitle = string.Empty;
             _tubeArchivistUrl = string.Empty;
-            TubeArchivistApiKey = string.Empty;
+            _tubeArchivistApiKey = string.Empty;
             MaxDescriptionLength = 500;
         }
 
@@ -60,13 +61,27 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.Configuration
                     _logger.LogInformation("{Message}", "Given TubeArchivist URL contains no schema. Adding http://...");
                     _tubeArchivistUrl = Utils.SanitizeUrl("http://" + value);
                 }
+
+                Plugin.Instance?.LogTAApiConnectionStatus();
             }
         }
 
         /// <summary>
         /// Gets or sets TubeArchivist API key.
         /// </summary>
-        public string TubeArchivistApiKey { get; set; }
+        public string TubeArchivistApiKey
+        {
+            get
+            {
+                return _tubeArchivistApiKey;
+            }
+
+            set
+            {
+                _tubeArchivistApiKey = value;
+                Plugin.Instance?.LogTAApiConnectionStatus();
+            }
+        }
 
         /// <summary>
         /// Gets or sets maximum series and episodes overviews length.

Jellyfin.Plugin.TubeArchivistMetadata/Plugin.cs

@@ -2,7 +2,9 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Net.Http;
+using System.Threading.Tasks;
 using Jellyfin.Plugin.TubeArchivistMetadata.Configuration;
+using Jellyfin.Plugin.TubeArchivistMetadata.TubeArchivist;
 using MediaBrowser.Common.Configuration;
 using MediaBrowser.Common.Plugins;
 using MediaBrowser.Model.Plugins;
@@ -34,6 +36,7 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata
             HttpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Token", Instance?.Configuration.TubeArchivistApiKey);
             logger.LogInformation("{Message}", "Collection display name: " + Instance?.Configuration.CollectionTitle);
             logger.LogInformation("{Message}", "TubeArchivist API URL: " + Instance?.Configuration.TubeArchivistUrl);
+            logger.LogInformation("{Message}", "Pinging TubeArchivist API...");
         }
 
         /// <inheritdoc />
@@ -66,5 +69,28 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata
                 EmbeddedResourcePath = string.Format(CultureInfo.InvariantCulture, "{0}.Configuration.configPage.html", GetType().Namespace)
             }
         };
+
+        /// <summary>
+        /// Logs the TubeArchivist API connection status.
+        /// </summary>
+        public void LogTAApiConnectionStatus()
+        {
+            Logger.LogInformation("{Message}", "Ping...");
+
+            var api = TubeArchivistApi.GetInstance();
+            Task.Run(() => api.Ping()).ContinueWith(
+                task =>
+                {
+                    if (task.Result != null)
+                    {
+                        Logger.LogInformation("{Message}", "TubeArchivist API said: " + task.Result.Response + "!");
+                    }
+                    else
+                    {
+                        Logger.LogCritical("{Message}", "TubeArchivist API was unreachable!");
+                    }
+                },
+                TaskScheduler.Default);
+        }
     }
 }

Jellyfin.Plugin.TubeArchivistMetadata/TubeArchivist/PingResponse.cs

@@ -0,0 +1,44 @@
+using Newtonsoft.Json;
+
+namespace Jellyfin.Plugin.TubeArchivistMetadata.TubeArchivist
+{
+    /// <summary>
+    /// A class representing TubeArchivist API ping response data.
+    /// </summary>
+    public class PingResponse
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PingResponse"/> class.
+        /// </summary>
+        /// <param name="response">Response from the API ("pong").</param>
+        /// <param name="user">TubeArchivist user id.</param>
+        /// <param name="version">TubeArchivist version.</param>
+        public PingResponse(
+            string response,
+            int user,
+            string version)
+        {
+            this.Response = response;
+            this.User = user;
+            this.Version = version;
+        }
+
+        /// <summary>
+        /// Gets response to the ping ("pong").
+        /// </summary>
+        [JsonProperty(PropertyName = "response")]
+        public string Response { get; }
+
+        /// <summary>
+        /// Gets user id.
+        /// </summary>
+        [JsonProperty(PropertyName = "user")]
+        public int User { get; }
+
+        /// <summary>
+        /// Gets TubeArchivist version.
+        /// </summary>
+        [JsonProperty(PropertyName = "version")]
+        public string Version { get; }
+    }
+}

Jellyfin.Plugin.TubeArchivistMetadata/TubeArchivist/TubeArchivistApi.cs

@@ -116,5 +116,35 @@ namespace Jellyfin.Plugin.TubeArchivistMetadata.TubeArchivist
 
             return video?.Data;
         }
+
+        /// <summary>
+        /// Validates connection and authentication to TubeArchivist.
+        /// </summary>
+        /// <returns>The ping response.</returns>
+        public async Task<PingResponse?> Ping()
+        {
+            PingResponse? pong = null;
+
+            var pingEndpoint = "/api/ping/";
+            var url = new Uri(Utils.SanitizeUrl(Plugin.Instance!.Configuration.TubeArchivistUrl + pingEndpoint));
+            var response = await client.GetAsync(url).ConfigureAwait(true);
+
+            while (response.StatusCode == HttpStatusCode.Moved)
+            {
+                url = response.Headers.Location;
+                _logger.LogInformation("{Message}", "Received redirect to: " + url);
+                response = await client.GetAsync(url).ConfigureAwait(true);
+            }
+
+            _logger.LogInformation("{Message}", url + ": " + response.StatusCode);
+
+            if (response.IsSuccessStatusCode)
+            {
+                string rawData = await response.Content.ReadAsStringAsync().ConfigureAwait(true);
+                pong = JsonConvert.DeserializeObject<PingResponse>(rawData);
+            }
+
+            return pong;
+        }
     }
 }