Hook up fswatcher to csv parser, needs proper filename parsing.

Stars Assistant/Services/CSVDataLoader.cs

@@ -1,41 +1,58 @@
 using System;
 using System.IO;
 using System.Reactive.Linq;
+using System.Text.RegularExpressions;
+using ReactiveUI;
 using Splat;
 using StarsAssistant.Helpers;
 
 namespace StarsAssistant.Services;
 
 
-public class CSVDataLoader 
+public partial class CSVDataLoader : IEnableLogger
 {
     /// <summary>
     /// Reference to the game metadata, retrieved by DI
     /// </summary>
     protected Services.Game Game = Locator.Current.GetService<Services.Game>()!;
 
-    public void CSVDataLoader() 
+    [GeneratedRegex(@".*\.(?<type>[pf])(?<player>\d)+$")]
+    private static partial Regex MyRegex();
+
+    protected Regex FileTypeRegEx = MyRegex();
+
+    public CSVDataLoader() 
     {
         
     }
 
     public void StartPlanetCSVWatcher() 
     {
-        // TODO: which scheduler for Throttle?
-        var watcher = FsWatcher
-            .ObserveFileSystem(Game.GamePath, new string[] { Game.PlanetFileSearchPattern });
-            .ThrottleAndDistinct(2);
-        
-        /*
-        watcher.Subscribe(x => 
-        {
-            Console.WriteLine($"{DateTime.Now.ToLongTimeString()} got {x.Count()} events:");
+        // string[] filters = { "*.p*", "*.f*", "*.map" };
 
-            foreach (var fsEvent in x)
-            {
-                Console.WriteLine($"{DateTime.Now.ToLongTimeString()} {i++} {fsEvent.FullPath} - {fsEvent.ChangeType}");
-            }
-        });
-        */
+        var watcher = FsWatcher
+            .ObserveFileSystem(Game.GamePath, [ Game.PlanetFileSearchPattern ])
+            .ThrottleAndDistinct(2, RxApp.TaskpoolScheduler)
+            .Log(this, $"{DateTime.Now.ToLongTimeString()} FsEvent", fsEvent => $"{fsEvent.FullPath} {fsEvent.ChangeType}")
+            .ObserveOn(RxApp.TaskpoolScheduler);
+        
+        watcher.Subscribe(fsEvent => this.LoadPlanetFile(fsEvent.FullPath));
+    }
+
+    protected void LoadPlanetFile(string fileName)
+    {
+        Match m = FileTypeRegEx.Match(fileName);
+        if (! m.Success)
+        {
+            this.Log().Error($"Failed to parse {fileName} to identify what we are looking at. Ignoring file.");
+            return;
+        }
+
+        string type = m.Groups["type"].Value;
+        string player = m.Groups["player"].Value;
+
+        this.Log().Debug($"Got file type {type} for player {player}");
+        var loader = new CSV.PlanetLoader();
+        loader.ImportForRace(Model.Race.Player);
     }
 }