From 3f184c7df1ec2a74fc08afc35b7f29fc551b3c9a Mon Sep 17 00:00:00 2001
From: Soapwood <pwezem@gmail.com>
Date: Wed, 7 Aug 2024 22:38:14 +0100
Subject: [PATCH] Don't add track to Playlist File if it already exists.

---
 VXMusic/FileWriter/PlaylistFileWriter.cs | 22 +++++++++++++++++++++-
 VXMusicDesktop/VXMusicActions.cs         |  2 +-
 VXMusicDesktop/VXMusicDesktop.csproj     |  2 +-
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/VXMusic/FileWriter/PlaylistFileWriter.cs b/VXMusic/FileWriter/PlaylistFileWriter.cs
index 9f6ed3d..66e36b8 100644
--- a/VXMusic/FileWriter/PlaylistFileWriter.cs
+++ b/VXMusic/FileWriter/PlaylistFileWriter.cs
@@ -33,7 +33,7 @@ private string GetPlaylistFileHeader()
                Environment.NewLine + Environment.NewLine;
     }
 
-    public void AddLineToFileIfDateMatches(string currentWorldName, string textToAdd)
+    public void AddTrackEntryToPlaylistFile(string currentWorldName, string textToAdd)
     {
         string fileName = GetCurrentFileName(currentWorldName);
 
@@ -45,6 +45,12 @@ public void AddLineToFileIfDateMatches(string currentWorldName, string textToAdd
         {
             _logger.LogTrace($"Playlist file already exists. Will add to discovered file: {filePath}");
 
+            if (IsTrackAlreadyInPlaylist(filePath, textToAdd))
+            {
+                _logger.LogTrace($"Track was already found in Playlist file. Will skip add.");
+                return;
+            }
+
             // Append the text to the existing file
             File.AppendAllText(filePath, textToAdd + Environment.NewLine);
         }
@@ -58,6 +64,20 @@ public void AddLineToFileIfDateMatches(string currentWorldName, string textToAdd
         }
     }
 
+    private bool IsTrackAlreadyInPlaylist(string filePath, string trackLine)
+    {
+        try
+        {
+            string[] lines = File.ReadAllLines(filePath);
+            return Array.Exists(lines, line => line == trackLine);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning($"Could not read Playlist track file: {ex.Message}");
+            return false;
+        }
+    }
+
     private string GetCurrentFileName(string currentWorldName)
     {
         string fileName = "";
diff --git a/VXMusicDesktop/VXMusicActions.cs b/VXMusicDesktop/VXMusicActions.cs
index 70dd231..0ca5fa6 100644
--- a/VXMusicDesktop/VXMusicActions.cs
+++ b/VXMusicDesktop/VXMusicActions.cs
@@ -110,7 +110,7 @@ await Task.Run(() =>
 
         if (result.Result != null)
         {
-            VXMusicSession.PlaylistFileWriter.AddLineToFileIfDateMatches(App.VXMusicSession.VRChatLogParser
+            VXMusicSession.PlaylistFileWriter.AddTrackEntryToPlaylistFile(App.VXMusicSession.VRChatLogParser
                 .CurrentVrChatWorld,
                 $"{result.Result.Artist} - {result.Result.Title} {result.Result.Album} ({result.Result.ReleaseDate})");
 
diff --git a/VXMusicDesktop/VXMusicDesktop.csproj b/VXMusicDesktop/VXMusicDesktop.csproj
index 636e4c5..22b89a7 100644
--- a/VXMusicDesktop/VXMusicDesktop.csproj
+++ b/VXMusicDesktop/VXMusicDesktop.csproj
@@ -9,7 +9,7 @@
     <PackageIcon>VXLogo.png</PackageIcon>
     <ApplicationIcon>Images\VXLogoIcon.ico</ApplicationIcon>
     <RunPostBuildEvent>Always</RunPostBuildEvent>
-    <Version>0.6.5.7</Version>
+    <Version>0.6.5.8</Version>
     <SatelliteResourceLanguages>en</SatelliteResourceLanguages>
     <Title>VXMusicDesktop</Title>
     <Authors>VirtualXtensions</Authors>