如何做企业云平台管理系统

// 用户权限验证组件
class AuthComponent {
  constructor() {
    this.userRoles = [];
    this.permissions = new Map();
  }
  
  // 验证用户权限
  hasPermission(resource, action) {
    const key = `${resource}:${action}`;
    return this.permissions.has(key);
  }
  
  // 加载用户角色和权限
  async loadUserPermissions(userId) {
    try {
      const response = await this.apiService.getUserPermissions(userId);
      this.userRoles = response.roles;
      this.permissions = new Map(response.permissions);
    } catch (error) {
      console.error('加载用户权限失败:', error);
    }
  }
}

// 云资源管理服务
public class CloudResourceService
{
    private readonly IResourceRepository _resourceRepository;
    private readonly IMonitoringService _monitoringService;
    
    public CloudResourceService(
        IResourceRepository resourceRepository,
        IMonitoringService monitoringService)
    {
        _resourceRepository = resourceRepository;
        _monitoringService = monitoringService;
    }
    
    // 创建云资源
    public async Task CreateResourceAsync(ResourceCreateRequest request)
    {
        // 验证资源配额
        var quota = await _resourceRepository.GetUserQuotaAsync(request.UserId);
        if (quota.RemainingCapacity < request.RequiredCapacity)
        {
            throw new QuotaExceededException("资源配额不足");
        }
        
        // 创建资源实例
        var resource = new Resource
        {
            Name = request.Name,
            Type = request.Type,
            Configuration = request.Configuration,
            Status = ResourceStatus.Creating
        };
        
        await _resourceRepository.AddAsync(resource);
        await _monitoringService.StartMonitoringAsync(resource.Id);
        
        return resource;
    }
}

// 权限验证服务
public class PermissionService
{
    private readonly IPermissionRepository _permissionRepository;
    
    public PermissionService(IPermissionRepository permissionRepository)
    {
        _permissionRepository = permissionRepository;
    }
    
    // 验证用户对资源的操作权限
    public async Task CheckPermissionAsync(
        Guid userId, 
        string resourceType, 
        string action)
    {
        var userPermissions = await _permissionRepository
            .GetUserPermissionsAsync(userId);
            
        return userPermissions.Any(p => 
            p.ResourceType == resourceType && 
            p.Action == action && 
            p.IsAllowed);
    }
    
    // 获取用户可见的资源列表
    public async Task<>> GetAccessibleResourcesAsync(Guid userId)
    {
        var accessibleResourceTypes = await _permissionRepository
            .GetAccessibleResourceTypesAsync(userId);
            
        // 返回用户有权限访问的资源
        return await _permissionRepository
            .GetResourcesByTypesAsync(accessibleResourceTypes);
    }
}

// 资源实体模型
public class Resource
{
    public Guid Id { get; set; }
    public string Name { get; set; }
    public ResourceType Type { get; set; }
    public ResourceStatus Status { get; set; }
    public string Configuration { get; set; }
    public DateTime CreatedAt { get; set; }
    public DateTime UpdatedAt { get; set; }
    public Guid CreatedBy { get; set; }
    
    // 导航属性
    public virtual User Creator { get; set; }
    public virtual ICollection Metrics { get; set; }
}

// 用户权限实体
public class UserPermission
{
    public Guid Id { get; set; }
    public Guid UserId { get; set; }
    public string ResourceType { get; set; }
    public string Action { get; set; }
    public bool IsAllowed { get; set; }
    
    // 导航属性
    public virtual User User { get; set; }
}

// 数据库上下文
public class CloudPlatformContext : DbContext
{
    public CloudPlatformContext(DbContextOptions options)
        : base(options)
    {
    }
    
    public DbSet Resources { get; set; }
    public DbSet Users { get; set; }
    public DbSet UserPermissions { get; set; }
    public DbSet ResourceMetrics { get; set; }
    
    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        // 配置实体关系和索引
        modelBuilder.Entity()
            .HasIndex(r => new { r.Type, r.Status });
            
        modelBuilder.Entity()
            .HasIndex(up => new { up.UserId, up.ResourceType, up.Action })
            .IsUnique();
    }
}

// 资源服务单元测试
public class ResourceServiceTests
{
    private readonly Mock _mockRepository;
    private readonly ResourceService _resourceService;
    
    public ResourceServiceTests()
    {
        _mockRepository = new Mock();
        _resourceService = new ResourceService(_mockRepository.Object);
    }
    
    [Fact]
    public async Task CreateResourceAsync_WithValidRequest_ShouldCreateResource()
    {
        // 准备测试数据
        var request = new ResourceCreateRequest
        {
            Name = "TestVM",
            Type = ResourceType.VirtualMachine,
            UserId = Guid.NewGuid()
        };
        
        var expectedResource = new Resource { Id = Guid.NewGuid(), Name = "TestVM" };
        _mockRepository.Setup(repo => repo.AddAsync(It.IsAny()))
                      .Returns(Task.CompletedTask);
        
        // 执行测试
        var result = await _resourceService.CreateResourceAsync(request);
        
        // 验证结果
        Assert.NotNull(result);
        Assert.Equal(request.Name, result.Name);
        _mockRepository.Verify(repo => repo.AddAsync(It.IsAny()), Times.Once);
    }
}