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

Services/Initializer/DatabaseInitializer.cs

@@ -0,0 +1,143 @@
+using System.Security.Cryptography;
+using System.Text;
+using Foxel.Models.DataBase;
+using Foxel.Services.Configuration;
+using Microsoft.EntityFrameworkCore;
+
+namespace Foxel.Services.Initializer;
+
+public class DatabaseInitializer(
+    IDbContextFactory<MyDbContext> contextFactory,
+    IConfigService configService,
+    ILogger<DatabaseInitializer> logger)
+    : IDatabaseInitializer
+{
+    private const string InitializationFlag = "System:InitializationCompleted";
+
+    public async Task InitializeAsync()
+    {
+        logger.LogInformation("开始检查数据库初始化状态...");
+
+        // 检查是否已经完成初始化
+        if (await configService.ExistsAsync(InitializationFlag) &&
+             configService[InitializationFlag] == "true")
+        {
+            logger.LogInformation("数据库已完成初始化，跳过初始化步骤");
+            return;
+        }
+
+        logger.LogInformation("开始初始化数据库配置...");
+
+        await using var context = await contextFactory.CreateDbContextAsync();
+
+        // 确保数据库已创建
+        await context.Database.EnsureCreatedAsync();
+
+        // 初始化JWT配置
+        await EnsureConfigExistsAsync("Jwt:SecretKey", "ChAtPiCdEfAuLtSeCrEtKeY2023_Extended_Secure_Key");
+        await EnsureConfigExistsAsync("Jwt:Issuer", "Foxel");
+        await EnsureConfigExistsAsync("Jwt:Audience", "FoxelUsers");
+
+        // 初始化GitHub认证配置
+        await EnsureConfigExistsAsync("Authentication:GitHubClientId", "placeholder_replace_with_actual_github_client_id");
+        await EnsureConfigExistsAsync("Authentication:GitHubClientSecret", "placeholder_replace_with_actual_github_client_secret");
+        await EnsureConfigExistsAsync("Authentication:GitHubClientSecret", "");
+        // 初始化AI相关配置
+        await EnsureConfigExistsAsync("AI:ApiEndpoint", "");
+        await EnsureConfigExistsAsync("AI:ApiKey", "");
+        await EnsureConfigExistsAsync("AI:Model", "");
+        await EnsureConfigExistsAsync("AI:EmbeddingModel", "");
+        // 初始化存储配置
+        await EnsureConfigExistsAsync("Storage:TelegramStorageBotToken", "");
+        await EnsureConfigExistsAsync("Storage:TelegramStorageChatId", "");
+        await EnsureConfigExistsAsync("Storage:DefaultStorage", "Local");
+        // 初始化其他配置
+        await EnsureConfigExistsAsync("AppSettings:ServerUrl", "");
+
+        // 初始化管理员角色和用户
+        await InitializeAdminRoleAndUserAsync();
+
+        // 标记初始化已完成
+        await configService.SetConfigAsync(InitializationFlag, "true", "系统初始化完成标志");
+
+        logger.LogInformation("数据库配置初始化完成");
+    }
+
+    private async Task EnsureConfigExistsAsync(string key, string value)
+    {
+        if (!await configService.ExistsAsync(key))
+        {
+            logger.LogInformation("创建配置项: {Key}", key);
+            await configService.SetConfigAsync(key, value, $"自动创建的{key}配置");
+        }
+    }
+
+    private async Task InitializeAdminRoleAndUserAsync()
+    {
+        await using var context = await contextFactory.CreateDbContextAsync();
+
+        // 检查并创建管理员角色
+        var adminRole = await context.Roles.FirstOrDefaultAsync(r => r.Name == "Administrator");
+        if (adminRole == null)
+        {
+            logger.LogInformation("创建管理员角色");
+            adminRole = new Role
+            {
+                Name = "Administrator",
+                Description = "系统管理员角色",
+                CreatedAt = DateTime.UtcNow,
+                UpdatedAt = DateTime.UtcNow
+            };
+            await context.Roles.AddAsync(adminRole);
+            await context.SaveChangesAsync();
+        }
+
+        // 检查并创建管理员用户
+        var adminUser = await context.Users.FirstOrDefaultAsync(u => u.UserName == "Admin");
+        if (adminUser == null)
+        {
+            // 生成随机6位密码
+            string password = GenerateRandomPassword(6);
+            string passwordHash = HashPassword(password);
+
+            logger.LogInformation("创建管理员用户，邮箱: you@foxel.cc，密码: {Password}", password);
+            adminUser = new User
+            {
+                UserName = "Admin",
+                Email = "you@foxel.cc",
+                PasswordHash = passwordHash,
+                RoleId = adminRole.Id,
+                CreatedAt = DateTime.UtcNow,
+                UpdatedAt = DateTime.UtcNow
+            };
+            await context.Users.AddAsync(adminUser);
+
+            Console.ForegroundColor = ConsoleColor.Yellow;
+            Console.WriteLine($"[重要] 管理员账户初始密码: {password}，请及时修改");
+            Console.WriteLine($"[重要] 请及时登录后台修改AI相关配置，系统才可正常运行");
+            Console.ResetColor();
+            await context.SaveChangesAsync();
+        }
+    }
+
+    private string GenerateRandomPassword(int length)
+    {
+        const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+        var random = new Random();
+        var password = new StringBuilder(length);
+
+        for (int i = 0; i < length; i++)
+        {
+            password.Append(chars[random.Next(chars.Length)]);
+        }
+
+        return password.ToString();
+    }
+
+    private string HashPassword(string password)
+    {
+        using var sha256 = SHA256.Create();
+        var hashedBytes = sha256.ComputeHash(Encoding.UTF8.GetBytes(password));
+        return Convert.ToBase64String(hashedBytes);
+    }
+}

Services/Initializer/IDatabaseInitializer.cs

@@ -0,0 +1,6 @@
+namespace Foxel.Services.Initializer;
+
+public interface IDatabaseInitializer
+{
+    Task InitializeAsync();
+}