chore: 提交现有修改

src/Infrastructure/TakeoutSaaS.Infrastructure/Dictionary/Services/DistributedDictionaryCache.cs

@@ -10,22 +10,15 @@ namespace TakeoutSaaS.Infrastructure.Dictionary.Services;
 /// <summary>
 /// 基于 IDistributedCache 的字典缓存实现。
 /// </summary>
-public sealed class DistributedDictionaryCache : IDictionaryCache
+public sealed class DistributedDictionaryCache(IDistributedCache cache, IOptions<DictionaryCacheOptions> options) : IDictionaryCache
 {
-    private readonly IDistributedCache _cache;
-    private readonly DictionaryCacheOptions _options;
+    private readonly DictionaryCacheOptions _options = options.Value;
     private readonly JsonSerializerOptions _serializerOptions = new(JsonSerializerDefaults.Web);
 
-    public DistributedDictionaryCache(IDistributedCache cache, IOptions<DictionaryCacheOptions> options)
-    {
-        _cache = cache;
-        _options = options.Value;
-    }
-
     public async Task<IReadOnlyList<DictionaryItemDto>?> GetAsync(long tenantId, string code, CancellationToken cancellationToken = default)
     {
         var cacheKey = BuildKey(tenantId, code);
-        var payload = await _cache.GetAsync(cacheKey, cancellationToken);
+        var payload = await cache.GetAsync(cacheKey, cancellationToken);
         if (payload == null || payload.Length == 0)
         {
             return null;
@@ -42,13 +35,13 @@ public sealed class DistributedDictionaryCache : IDictionaryCache
         {
             SlidingExpiration = _options.SlidingExpiration
         };
-        return _cache.SetAsync(cacheKey, payload, options, cancellationToken);
+        return cache.SetAsync(cacheKey, payload, options, cancellationToken);
     }
 
     public Task RemoveAsync(long tenantId, string code, CancellationToken cancellationToken = default)
     {
         var cacheKey = BuildKey(tenantId, code);
-        return _cache.RemoveAsync(cacheKey, cancellationToken);
+        return cache.RemoveAsync(cacheKey, cancellationToken);
     }
 
     private static string BuildKey(long tenantId, string code)