chore

2025-12-13 13:11:03 +08:00
parent 8a1ff0edf9
commit 0741368b44
8 changed files with 342 additions and 15 deletions
--- a/Atomx.Admin/Atomx.Admin.Client/Services/WasmLocalizationProvider.cs
+++ b/Atomx.Admin/Atomx.Admin.Client/Services/WasmLocalizationProvider.cs
@@ -0,0 +1,178 @@
+using System.Collections.Concurrent;
+using System.Globalization;
+using System.Text.Json;
+using Microsoft.Extensions.Logging;
+using Microsoft.JSInterop;
+using Blazored.LocalStorage;
+
+namespace Atomx.Admin.Client.Services
+{
+    public class WasmLocalizationProvider : ILocalizationProvider
+    {
+        private readonly IJSRuntime _jsRuntime;
+        private readonly HttpClient _httpClient;
+        private readonly ILogger<WasmLocalizationProvider> _logger;
+        private readonly ILocalStorageService _localStorage;
+        private static readonly ConcurrentDictionary<string, Dictionary<string, string>> _cache = new();
+        private readonly HashSet<string> _loadingCultures = new();
+        private string _currentCulture = "zh-Hans";
+        private bool _isInitialized = false;
+
+        private const string LocalizationStorageKey = "Localization_{0}";
+        private const string LocalizationVersionKey = "LocalizationVersion_{0}";
+
+        public WasmLocalizationProvider(IJSRuntime jsRuntime, HttpClient httpClient, ILogger<WasmLocalizationProvider> logger, ILocalStorageService localStorage)
+        {
+            _jsRuntime = jsRuntime;
+            _httpClient = httpClient;
+            _logger = logger;
+            _localStorage = localStorage;
+        }
+
+        public string CurrentCulture => _currentCulture;
+        public bool IsInitialized => _isInitialized;
+
+        public event EventHandler<string>? LanguageChanged;
+
+        public string? GetString(string key)
+        {
+            if (string.IsNullOrEmpty(key)) return null;
+
+            if (_cache.TryGetValue(_currentCulture, out var dict) && dict.TryGetValue(key, out var val))
+            {
+                return val;
+            }
+
+            return null;
+        }
+
+        public async Task InitializeAsync()
+        {
+            if (_isInitialized) return;
+
+            await LoadCultureAsync(_currentCulture);
+            _isInitialized = true;
+            LanguageChanged?.Invoke(this, _currentCulture);
+        }
+
+        public async Task SetCultureAsync(string cultureShortOrFull)
+        {
+            _currentCulture = MapToFullCulture(cultureShortOrFull);
+            await LoadCultureAsync(_currentCulture);
+            LanguageChanged?.Invoke(this, _currentCulture);
+        }
+
+        public async Task LoadCultureAsync(string culture)
+        {
+            var cultureFull = MapToFullCulture(culture);
+
+            // Step 1: Check in-memory cache
+            if (_cache.ContainsKey(cultureFull)) return;
+
+            lock (_loadingCultures)
+            {
+                if (_loadingCultures.Contains(cultureFull))
+                {
+                    _logger.LogDebug("Culture {Culture} is already being loaded.", cultureFull);
+                    return;
+                }
+                _loadingCultures.Add(cultureFull);
+            }
+
+            try
+            {
+                // Step 2: Check local storage for cached data
+                var localDataKey = string.Format(LocalizationStorageKey, cultureFull);
+                var localVersionKey = string.Format(LocalizationVersionKey, cultureFull);
+
+                var cachedVersion = await _localStorage.GetItemAsync<string>(localVersionKey);
+                var cachedData = await _localStorage.GetItemAsync<Dictionary<string, string>>(localDataKey);
+
+                if (cachedData != null)
+                {
+                    _cache[cultureFull] = cachedData;
+                    _logger.LogInformation("Loaded localization for {Culture} from local storage.", cultureFull);
+                }
+
+                // Step 3: Validate version with server
+                var versionUrl = $"api/localeresource/version/{cultureFull}";
+                var serverVersion = await _httpClient.GetStringAsync(versionUrl);
+
+                if (cachedVersion == serverVersion && cachedData != null)
+                {
+                    _logger.LogInformation("Localization data for {Culture} is up-to-date.", cultureFull);
+                    return;
+                }
+
+                // Step 4: Fetch from server if version mismatch or no cached data
+                var url = $"/localization/{cultureFull}.json";
+                var json = await _httpClient.GetStringAsync(url);
+                var dict = JsonSerializer.Deserialize<Dictionary<string, string>>(json) ?? new Dictionary<string, string>();
+                _cache[cultureFull] = dict;
+
+                // Step 5: Update local storage
+                await _localStorage.SetItemAsync(localVersionKey, serverVersion);
+                await _localStorage.SetItemAsync(localDataKey, dict);
+
+                _logger.LogInformation("Loaded localization file for {Culture} from server and updated local storage.", cultureFull);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Failed to load localization file for {Culture}", cultureFull);
+            }
+            finally
+            {
+                lock (_loadingCultures)
+                {
+                    _loadingCultures.Remove(cultureFull);
+                }
+            }
+        }
+
+        private string MapToFullCulture(string culture)
+        {
+            return culture switch
+            {
+                "zh" => "zh-Hans",
+                "en" => "en-US",
+                _ => culture
+            };
+        }
+
+        /// <summary>
+        /// <20>ӷ<EFBFBD><D3B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ػ<EFBFBD><D8BB><EFBFBD><EFBFBD><EFBFBD>
+        /// </summary>
+        /// <param name="culture"></param>
+        /// <returns></returns>
+        private Dictionary<string, string> FetchFromServer(string culture)
+        {
+            var url = $"/localization/{culture}.json";
+            var json = _httpClient.GetStringAsync(url).Result;
+            var dict = JsonSerializer.Deserialize<Dictionary<string, string>>(json) ?? new Dictionary<string, string>();
+            return dict;
+        }
+
+        /// <summary>
+        /// <20><><EFBFBD>鱾<EFBFBD>ػ<EFBFBD><D8BB>汾<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
+        /// </summary>
+        /// <param name="versionKey"></param>
+        /// <param name="culture"></param>
+        /// <returns></returns>
+        private async Task<bool> CheckVersionAsync(string versionKey, string culture)
+        {
+            var cachedVersion = await _localStorage.GetItemAsync<string>(versionKey);
+            if(string.IsNullOrEmpty(cachedVersion))
+            {
+                return false;
+            }
+            var versionUrl = $"api/localeresource/version/{culture}";
+            var serverVersion = await _httpClient.GetStringAsync(versionUrl);
+
+            if (cachedVersion != serverVersion)
+            {
+                return false;
+            }
+            return true;
+        }
+    }
+}