refactor(services): split services into separate folders and update namespaces

2026-05-31 21:20:52 +08:00 · 2025-05-22 21:18:02 +08:00
parent 9243a26189
commit fba716ba28
33 changed files with 96 additions and 107 deletions
--- a/Services/Configuration/ConfigService.cs
+++ b/Services/Configuration/ConfigService.cs
@@ -0,0 +1,139 @@
+using System.Text.Json;
+using Foxel.Models.DataBase;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Caching.Memory;
+
+namespace Foxel.Services.Configuration;
+
+public class ConfigService(
+    IDbContextFactory<MyDbContext> contextFactory,
+    IMemoryCache memoryCache,
+    ILogger<ConfigService> logger)
+    : IConfigService
+{
+    // 缓存过期时间
+    private readonly TimeSpan _cacheExpiration = TimeSpan.FromMinutes(30);
+
+    public string this[string key] => GetValueAsync(key).GetAwaiter().GetResult() ?? string.Empty;
+
+    public async Task<string?> GetValueAsync(string key)
+    {
+        // 尝试从缓存获取配置值
+        if (memoryCache.TryGetValue($"config:{key}", out string? cachedValue))
+        {
+            return cachedValue;
+        }
+
+        // 如果缓存中没有，从数据库获取
+        await using var context = await contextFactory.CreateDbContextAsync();
+        var config = await context.Configs.FirstOrDefaultAsync(c => c.Key == key);
+
+        if (config == null)
+        {
+            // 尝试从环境变量获取
+            string envVarKey = key.ToUpper().Replace(".", "_").Replace("-", "_");
+            string? envVarValue = Environment.GetEnvironmentVariable(envVarKey);
+
+            if (!string.IsNullOrEmpty(envVarValue))
+            {
+                memoryCache.Set($"config:{key}", envVarValue, _cacheExpiration);
+                return envVarValue;
+            }
+
+            return null;
+        }
+
+        // 将配置值添加到缓存
+        memoryCache.Set($"config:{key}", config.Value, _cacheExpiration);
+
+        return config.Value;
+    }
+
+    public async Task<T?> GetValueAsync<T>(string key, T? defaultValue = default)
+    {
+        var value = await GetValueAsync(key);
+
+        if (string.IsNullOrEmpty(value))
+            return defaultValue;
+
+        try
+        {
+            return JsonSerializer.Deserialize<T>(value);
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "无法将配置值反序列化为所需类型: {Type}", typeof(T).Name);
+            return defaultValue;
+        }
+    }
+
+    public async Task<Config?> GetConfigAsync(string key)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync();
+        return await context.Configs.FirstOrDefaultAsync(c => c.Key == key);
+    }
+
+    public async Task<List<Config>> GetAllConfigsAsync()
+    {
+        await using var context = await contextFactory.CreateDbContextAsync();
+        return await context.Configs.OrderBy(c => c.Key).ToListAsync();
+    }
+
+    public async Task<Config> SetConfigAsync(string key, string value, string? description = null)
+    {
+        if (string.IsNullOrWhiteSpace(key))
+            throw new ArgumentException("配置键不能为空", nameof(key));
+
+        await using var context = await contextFactory.CreateDbContextAsync();
+
+        var config = await context.Configs.FirstOrDefaultAsync(c => c.Key == key);
+
+        if (config == null)
+        {
+            // 创建新配置
+            config = new Config
+            {
+                Key = key,
+                Value = value,
+                Description = description ?? string.Empty,
+                CreatedAt = DateTime.UtcNow,
+                UpdatedAt = DateTime.UtcNow
+            };
+
+            context.Configs.Add(config);
+        }
+        else
+        {
+            // 更新现有配置
+            config.Value = value;
+            if (description != null)
+            {
+                config.Description = description;
+            }
+            config.UpdatedAt = DateTime.UtcNow;
+        }
+        await context.SaveChangesAsync();
+        memoryCache.Set($"config:{key}", value, _cacheExpiration);
+        return config;
+    }
+
+    public async Task<bool> DeleteConfigAsync(string key)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync();
+
+        var config = await context.Configs.FirstOrDefaultAsync(c => c.Key == key);
+        if (config == null)
+            return false;
+
+        context.Configs.Remove(config);
+        await context.SaveChangesAsync();
+        memoryCache.Remove($"config:{key}");
+        return true;
+    }
+
+    public async Task<bool> ExistsAsync(string key)
+    {
+        await using var context = await contextFactory.CreateDbContextAsync();
+        return await context.Configs.AnyAsync(c => c.Key == key);
+    }
+}