move EliteBGS GUI app to .NET 7

EliteBGS/Util/AppConfig.cs

@@ -0,0 +1,38 @@
+using System.ComponentModel;
+
+namespace EliteBGS.Util {
+    public class AppConfig : INotifyPropertyChanged {
+        private static readonly string default_journal_location = "%UserProfile%\\Saved Games\\Frontier Developments\\Elite Dangerous";
+        private string journal_location = default_journal_location;
+        private string lastdiscordlog;
+
+        public string DefaultJournalLocation => default_journal_location;
+
+        public string LastUsedDiscordTemplate {
+            get => lastdiscordlog;
+            set {
+                lastdiscordlog = value;
+                FirePropertyChanged("LastUsedDiscordTemplate");
+            }
+        }
+
+        public string JournalLocation {
+            get {
+                if (journal_location == null) {
+                    return DefaultJournalLocation;
+                }
+                return journal_location;
+            }
+            set {
+                journal_location = value;
+                FirePropertyChanged("JournalLocation");
+            }
+        }
+
+        private void FirePropertyChanged(string property) {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(property));
+        }
+
+        public event PropertyChangedEventHandler PropertyChanged;
+    }
+}

EliteBGS/Util/Config.cs

@@ -0,0 +1,66 @@
+using System;
+using System.Text;
+using System.IO;
+using Newtonsoft.Json;
+
+namespace EliteBGS.Util {
+    public class Config {
+        private string config_folder = null;
+        private string config_file = null;
+
+        private AppConfig global_config = new AppConfig();
+
+        public Config() {
+            DetermineConfigFolder();
+            global_config.PropertyChanged += Global_config_PropertyChanged;
+        }
+
+        private void Global_config_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) {
+            try {
+                SaveGlobal();
+            } catch (Exception) {
+                /* ignored */
+            }
+        }
+
+        public string ConfigPath => config_folder;
+
+        public AppConfig Global => global_config;
+
+        private void DetermineConfigFolder() {
+            string folder = Environment.ExpandEnvironmentVariables("%appdata%\\EliteBGS");
+
+            if (!Directory.Exists(folder)) {
+                Directory.CreateDirectory(folder);
+            }
+
+            config_folder = folder;
+            config_file = Path.Combine(config_folder, "config.json");
+        }
+
+        public void SaveGlobal() {
+            var serializer = JsonSerializer.CreateDefault();
+            using (FileStream filestream = File.OpenWrite(config_file)) {
+                filestream.SetLength(0);
+                filestream.Flush();
+                using (StreamWriter file = new StreamWriter(filestream, Encoding.UTF8)) {
+                    var stream = new JsonTextWriter(file);
+                    serializer.Serialize(stream, global_config);
+                }
+            }
+        }
+
+        public void LoadGlobal() {
+            var serializer = JsonSerializer.CreateDefault();
+            using (var file = new StreamReader(File.OpenRead(config_file), Encoding.UTF8)) {
+                var stream = new JsonTextReader(file);
+                var app = serializer.Deserialize<AppConfig>(stream);
+
+                if (app != null) {
+                    this.global_config = app;
+                    global_config.PropertyChanged += Global_config_PropertyChanged;
+                }
+            }
+        }
+    }
+}