Merge branch 'master' of https://github.com/Xjph/ObservatoryCore

ObservatoryCore/ObservatoryCore.cs

@@ -30,8 +30,9 @@ namespace Observatory
         {
             var docPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments);
             var errorMessage = new System.Text.StringBuilder();
+            var timestamp = DateTime.Now.ToString("G");
             errorMessage
-                .AppendLine($"Error encountered in Elite Observatory {context}.")
+                .AppendLine($"[{timestamp}] Error encountered in Elite Observatory {context}")
                 .AppendLine(FormatExceptionMessage(ex))
                 .AppendLine();
             System.IO.File.AppendAllText(docPath + System.IO.Path.DirectorySeparatorChar + "ObservatoryErrorLog.txt", errorMessage.ToString());

ObservatoryCore/PluginManagement/PluginCore.cs

@@ -21,6 +21,14 @@ namespace Observatory.PluginManagement
 
         public string Version => System.Reflection.Assembly.GetEntryAssembly().GetName().Version.ToString();
 
+        public Action<Exception, String> GetPluginErrorLogger(IObservatoryPlugin plugin)
+        {
+            return (ex, context) =>
+            {
+                ObservatoryCore.LogError(ex, $"from plugin {plugin.ShortName} {context}");
+            };
+        }
+
         public Status GetStatus()
         {
             throw new NotImplementedException();

ObservatoryExplorer/CustomCriteriaManager.cs

@@ -12,9 +12,12 @@ namespace Observatory.Explorer
     {
         private Lua LuaState;
         private List<LuaFunction> CriteriaFunctions;
+        Action<Exception, String> ErrorLogger;
 
-        public CustomCriteriaManager()
+
+        public CustomCriteriaManager(Action<Exception, String> errorLogger)
         {
+            ErrorLogger = errorLogger;
             CriteriaFunctions = new();
         }
 
@@ -174,8 +177,14 @@ namespace Observatory.Explorer
 
                 originalScript = originalScript.Remove(originalScript.LastIndexOf(Environment.NewLine));
                 originalScript = originalScript[(originalScript.IndexOf(Environment.NewLine) + Environment.NewLine.Length)..];
+                originalScript = originalScript.Replace('\t', ' ');
 
-                throw new CriteriaLoadException(e.Message, originalScript.Replace('\t', ' '));
+                StringBuilder errorDetail = new();
+                errorDetail.AppendLine("Error Reading Custom Criteria File:")
+                    .AppendLine(originalScript)
+                    .AppendLine("NOTE: Custom criteria processing has been disable to prevent further errors.");
+                ErrorLogger(e, errorDetail.ToString());
+                throw new CriteriaLoadException(e.Message, originalScript);
             }
         }
 
@@ -236,6 +245,12 @@ namespace Observatory.Explorer
                 {
                     settings.EnableCustomCriteria = false;
                     results.Add((e.Message, scan.Json, false));
+
+                    StringBuilder errorDetail = new();
+                    errorDetail.AppendLine("while processing a custom criteria on scan:")
+                        .AppendLine(scan.Json)
+                        .AppendLine("NOTE: Custom criteria process has been disabled to prevent further errors.");
+                    ErrorLogger(e, errorDetail.ToString());
                     break;
                 }
             }

ObservatoryExplorer/Explorer.cs

@@ -29,7 +29,7 @@ namespace Observatory.Explorer
             ExplorerWorker = explorerWorker;
             ObservatoryCore = core;
             Results = results;
-            CustomCriteriaManager = new();
+            CustomCriteriaManager = new(core.GetPluginErrorLogger(explorerWorker));
             CriteriaLastModified = new DateTime(0);
         }
 

ObservatoryFramework/Interfaces.cs

@@ -174,6 +174,13 @@ namespace Observatory.Framework.Interfaces
         /// </summary>
         public string Version { get; }
 
+        /// <summary>
+        /// Returns a delegate for logging an error for the calling plugin. A plugin can wrap this method
+        /// or pass it along to its collaborators.
+        /// </summary>
+        /// <param name="plugin">The calling plugin</param>
+        public Action<Exception, String> GetPluginErrorLogger (IObservatoryPlugin plugin);
+
         /// <summary>
         /// Perform an action on the current Avalonia UI thread.
         /// </summary>

ObservatoryHerald/HeraldNotifier.cs

@@ -53,8 +53,9 @@ namespace Observatory.Herald
         }
         public void Load(IObservatoryCore observatoryCore)
         {
-            var speechManager = new SpeechRequestManager(heraldSettings, observatoryCore.HttpClient, observatoryCore.PluginStorageFolder);
+            var speechManager = new SpeechRequestManager(
-            heraldSpeech = new HeraldQueue(speechManager);
+                heraldSettings, observatoryCore.HttpClient, observatoryCore.PluginStorageFolder, observatoryCore.GetPluginErrorLogger(this));
+            heraldSpeech = new HeraldQueue(speechManager, observatoryCore.GetPluginErrorLogger(this));
             heraldSettings.Test = TestVoice;
         }
 

ObservatoryHerald/HeraldQueue.cs

@@ -4,6 +4,8 @@ using System.Threading.Tasks;
 using System.Linq;
 using NetCoreAudio;
 using System.Threading;
+using System;
+using System.Diagnostics;
 
 namespace Observatory.Herald
 {
@@ -17,13 +19,15 @@ namespace Observatory.Herald
         private byte volume;
         private SpeechRequestManager speechManager;
         private Player audioPlayer;
+        private Action<Exception, String> ErrorLogger;
 
-        public HeraldQueue(SpeechRequestManager speechManager)
+        public HeraldQueue(SpeechRequestManager speechManager, Action<Exception, String> errorLogger)
         {
             this.speechManager = speechManager;
             processing = false;
             notifications = new();
             audioPlayer = new();
+            ErrorLogger = errorLogger;
         }
 
 
@@ -56,14 +60,17 @@ namespace Observatory.Herald
         private void ProcessQueue()
         {
 
+            NotificationArgs notification = null;
+            try
+            {
                 while (notifications.Any())
                 {
                     audioPlayer.SetVolume(volume).Wait();
-                var notification = notifications.Dequeue();
+                    notification = notifications.Dequeue();
+                    Debug.WriteLine("Processing notification: {0} - {1}", notification.Title, notification.Detail);
 
                     Task<string>[] audioRequestTasks = new Task<string>[2];
 
-
                     if (string.IsNullOrWhiteSpace(notification.TitleSsml))
                     {
                         audioRequestTasks[0] = RetrieveAudioToFile(notification.Title);
@@ -84,9 +91,17 @@ namespace Observatory.Herald
 
                     PlayAudioRequestsSequentially(audioRequestTasks);
                 }
-
+            }
+            catch (Exception ex)
+            {
+                Debug.WriteLine($"Failed to fetch/play notification: {notification?.Title} - {notification?.Detail}");
+                ErrorLogger(ex, "while retrieving and playing audio for a notification");
+            }
+            finally
+            {
                 processing = false;
             }
+        }
 
         private async Task<string> RetrieveAudioToFile(string text)
         {
@@ -103,7 +118,15 @@ namespace Observatory.Herald
             foreach (var request in requestTasks)
             {
                 string file = request.Result;
+                try
+                {
+                    Debug.WriteLine($"Playing audio file: {file}");
                     audioPlayer.Play(file).Wait();
+                } catch (Exception ex)
+                {
+                    Debug.WriteLine($"Failed to play {file}: {ex.Message}");
+                    ErrorLogger(ex, $"while playing: {file}");
+                }
 
                 while (audioPlayer.Playing)
                     Thread.Sleep(50);

ObservatoryHerald/SpeechRequestManager.cs

@@ -19,14 +19,17 @@ namespace Observatory.Herald
         private string ApiEndpoint;
         private DirectoryInfo cacheLocation;
         private int cacheSize;
+        private Action<Exception, String> ErrorLogger;
 
-        internal SpeechRequestManager(HeraldSettings settings, HttpClient httpClient, string cacheFolder)
+        internal SpeechRequestManager(
+            HeraldSettings settings, HttpClient httpClient, string cacheFolder, Action<Exception, String> errorLogger)
         {
             ApiKey = ObservatoryAPI.ApiKey;
             ApiEndpoint = settings.ApiEndpoint;
             this.httpClient = httpClient;
             cacheSize = Math.Max(settings.CacheSize, 1);
             cacheLocation = new DirectoryInfo(cacheFolder);
+            ErrorLogger = errorLogger;
 
             if (!Directory.Exists(cacheLocation.FullName))
             {
@@ -49,7 +52,19 @@ namespace Observatory.Herald
 
             var audioFilename = cacheLocation + ssmlHash + ".mp3";
 
-            if (!File.Exists(audioFilename))
+            FileInfo audioFileInfo = null;
+            if (File.Exists(audioFilename))
+            {
+                audioFileInfo = new FileInfo(audioFilename);
+                if (audioFileInfo.Length == 0)
+                {
+                    File.Delete(audioFilename);
+                    audioFileInfo = null;
+                }
+            }
+
+
+            if (audioFileInfo == null)
             {
                 using StringContent request = new(ssml)
                 {
@@ -71,10 +86,10 @@ namespace Observatory.Herald
                 {
                     throw new PluginException("Herald", "Unable to retrieve audio data.", new Exception(response.StatusCode.ToString() + ": " + response.ReasonPhrase));
                 }
-
+                audioFileInfo = new FileInfo(audioFilename);
             }
 
-            UpdateAndPruneCache(new FileInfo(audioFilename));
+            UpdateAndPruneCache(audioFileInfo);
                         
             return audioFilename;
         }
@@ -231,6 +246,7 @@ namespace Observatory.Herald
                 {
                     Console.WriteLine(ex.Message);
                     cacheIndex = new();
+                    ErrorLogger(ex, "deserializing CacheIndex.json");
                 }
             }
             else