Initial commit to new repository

.decompiledproj/AxCopilot/Services/UsageRankingService.cs

@@ -0,0 +1,109 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace AxCopilot.Services;
+
+internal static class UsageRankingService
+{
+	private static readonly string _dataFile = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "AxCopilot", "usage.json");
+
+	private static Dictionary<string, int> _counts = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
+
+	private static bool _loaded = false;
+
+	private static readonly object _lock = new object();
+
+	public static void RecordExecution(string key)
+	{
+		if (!string.IsNullOrWhiteSpace(key))
+		{
+			EnsureLoaded();
+			lock (_lock)
+			{
+				_counts.TryGetValue(key, out var value);
+				_counts[key] = value + 1;
+			}
+			SaveAsync();
+		}
+	}
+
+	public static int GetScore(string key)
+	{
+		if (string.IsNullOrWhiteSpace(key))
+		{
+			return 0;
+		}
+		EnsureLoaded();
+		lock (_lock)
+		{
+			int value;
+			return _counts.TryGetValue(key, out value) ? value : 0;
+		}
+	}
+
+	public static IEnumerable<T> SortByUsage<T>(IEnumerable<T> items, Func<T, string?> keySelector)
+	{
+		EnsureLoaded();
+		return from x in items.Select((T item, int idx) => (item: item, idx: idx, score: GetScore(keySelector(item) ?? "")))
+			orderby x.score descending, x.idx
+			select x.item;
+	}
+
+	private static void EnsureLoaded()
+	{
+		if (_loaded)
+		{
+			return;
+		}
+		lock (_lock)
+		{
+			if (_loaded)
+			{
+				return;
+			}
+			try
+			{
+				if (File.Exists(_dataFile))
+				{
+					string json = File.ReadAllText(_dataFile);
+					Dictionary<string, int> dictionary = JsonSerializer.Deserialize<Dictionary<string, int>>(json);
+					if (dictionary != null)
+					{
+						_counts = new Dictionary<string, int>(dictionary, StringComparer.OrdinalIgnoreCase);
+					}
+				}
+			}
+			catch (Exception ex)
+			{
+				LogService.Warn("usage.json 로드 실패: " + ex.Message);
+			}
+			_loaded = true;
+		}
+	}
+
+	private static async Task SaveAsync()
+	{
+		try
+		{
+			Dictionary<string, int> snapshot;
+			lock (_lock)
+			{
+				snapshot = new Dictionary<string, int>(_counts);
+			}
+			Directory.CreateDirectory(Path.GetDirectoryName(_dataFile));
+			await File.WriteAllTextAsync(contents: JsonSerializer.Serialize(snapshot, new JsonSerializerOptions
+			{
+				WriteIndented = false
+			}), path: _dataFile);
+		}
+		catch (Exception ex)
+		{
+			Exception ex2 = ex;
+			LogService.Warn("usage.json 저장 실패: " + ex2.Message);
+		}
+	}
+}