ExperionCrawler First Commit

src/Infrastructure/OpcUa/ExperionStatusCodeService.cs

@@ -0,0 +1,50 @@
+using System.Text.Json;
+using ExperionCrawler.Core.Application.Interfaces;
+using ExperionCrawler.Core.Domain.Entities;
+using Microsoft.Extensions.Logging;
+
+namespace ExperionCrawler.Infrastructure.OpcUa;
+
+/// <summary>
+/// 원본 Program.cs 의 LoadStatusCodes() / _statusCodeMap 을 서비스로 분리.
+/// statuscode.json 에서 로드하며 Hex 키(대소문자 무시)로 조회한다.
+/// </summary>
+public class ExperionStatusCodeService : IExperionStatusCodeService
+{
+    private readonly Dictionary<string, ExperionStatusCodeInfo> _map
+        = new(StringComparer.OrdinalIgnoreCase);
+    private readonly ILogger<ExperionStatusCodeService> _logger;
+
+    public int LoadedCount => _map.Count;
+
+    public ExperionStatusCodeService(ILogger<ExperionStatusCodeService> logger)
+    {
+        _logger = logger;
+        Load();
+    }
+
+    private void Load()
+    {
+        var path = Path.Combine(Directory.GetCurrentDirectory(), "statuscode.json");
+        if (!File.Exists(path)) return;
+        try
+        {
+            var json = File.ReadAllText(path);
+            var opts = new JsonSerializerOptions { PropertyNameCaseInsensitive = true };
+            var list = JsonSerializer.Deserialize<List<ExperionStatusCodeInfo>>(json, opts);
+            if (list == null) return;
+            foreach (var item in list) _map[item.Hex] = item;
+            _logger.LogInformation("✅ {Count}개의 에러 코드 정의 로드 완료.", _map.Count);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogWarning(ex, "statuscode.json 로드 실패");
+        }
+    }
+
+    public ExperionStatusCodeInfo? GetByHex(string hexCode)
+        => _map.TryGetValue(hexCode, out var info) ? info : null;
+
+    public ExperionStatusCodeInfo? GetByUint(uint statusCode)
+        => GetByHex($"0x{statusCode:X8}");
+}