2025-11-28 23:30:49 +08:00
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package service
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import (
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2025-12-02 22:52:33 +08:00
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"context"
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2025-11-28 23:30:49 +08:00
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"errors"
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"fmt"
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2026-07-09 20:44:41 +08:00
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"strings"
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2025-12-02 10:33:19 +08:00
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2026-06-15 16:52:20 +08:00
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apperrors "carrotskin/internal/errors"
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"carrotskin/internal/model"
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"carrotskin/internal/repository"
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"carrotskin/pkg/database"
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"carrotskin/pkg/utils"
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"go.uber.org/zap"
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2025-11-28 23:30:49 +08:00
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"gorm.io/gorm"
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)
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2025-12-02 22:52:33 +08:00
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// profileService ProfileService的实现
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type profileService struct {
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profileRepo repository.ProfileRepository
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userRepo repository.UserRepository
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cache *database.CacheManager
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cacheKeys *database.CacheKeyBuilder
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cacheInv *database.CacheInvalidator
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logger *zap.Logger
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}
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// NewProfileService 创建ProfileService实例
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func NewProfileService(
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profileRepo repository.ProfileRepository,
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userRepo repository.UserRepository,
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cacheManager *database.CacheManager,
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logger *zap.Logger,
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) ProfileService {
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return &profileService{
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profileRepo: profileRepo,
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userRepo: userRepo,
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cache: cacheManager,
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cacheKeys: database.NewCacheKeyBuilder(""),
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cacheInv: database.NewCacheInvalidator(cacheManager),
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logger: logger,
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}
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}
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2025-12-02 22:52:33 +08:00
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func (s *profileService) Create(ctx context.Context, userID int64, name string) (*model.Profile, error) {
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// 验证用户存在
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user, err := s.userRepo.FindByID(ctx, userID)
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if err != nil || user == nil {
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return nil, errors.New("用户不存在")
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}
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if user.Status != 1 {
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return nil, errors.New("用户状态异常")
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}
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2025-12-02 10:33:19 +08:00
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// 检查角色名是否已存在
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existingName, err := s.profileRepo.FindByName(ctx, name)
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, fmt.Errorf("查询角色名失败: %w", err)
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}
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if existingName != nil {
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return nil, errors.New("角色名已被使用")
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}
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2025-12-02 10:33:19 +08:00
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// 生成UUID和RSA密钥
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2026-02-23 13:26:53 +08:00
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profileUUID := utils.GenerateUUID()
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privateKey, err := generateRSAPrivateKeyInternal()
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if err != nil {
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return nil, fmt.Errorf("生成RSA密钥失败: %w", err)
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}
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// 创建档案
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profile := &model.Profile{
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UUID: profileUUID,
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UserID: userID,
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Name: name,
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RSAPrivateKey: privateKey,
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}
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if err := s.profileRepo.Create(ctx, profile); err != nil {
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return nil, fmt.Errorf("创建档案失败: %w", err)
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}
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2025-12-02 22:52:33 +08:00
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// 清除用户的 profile 列表缓存
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s.cacheInv.OnCreate(ctx, s.cacheKeys.ProfileList(userID))
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2025-11-28 23:30:49 +08:00
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return profile, nil
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}
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func (s *profileService) GetByUUID(ctx context.Context, uuid string) (*model.Profile, error) {
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// 尝试从缓存获取
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cacheKey := s.cacheKeys.Profile(uuid)
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var profile model.Profile
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2025-12-24 16:03:46 +08:00
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if ok, _ := s.cache.TryGet(ctx, cacheKey, &profile); ok {
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return &profile, nil
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}
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// 缓存未命中,从数据库查询
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profile2, err := s.profileRepo.FindByUUID(ctx, uuid)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, apperrors.ErrProfileNotFound
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}
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return nil, fmt.Errorf("查询档案失败: %w", err)
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}
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2025-12-24 16:03:46 +08:00
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// 存入缓存(异步)
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if profile2 != nil {
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s.cache.SetAsync(context.Background(), cacheKey, profile2, s.cache.Policy.ProfileTTL)
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}
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return profile2, nil
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}
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func (s *profileService) GetByUserID(ctx context.Context, userID int64) ([]*model.Profile, error) {
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// 尝试从缓存获取
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cacheKey := s.cacheKeys.ProfileList(userID)
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var profiles []*model.Profile
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if ok, _ := s.cache.TryGet(ctx, cacheKey, &profiles); ok {
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return profiles, nil
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}
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// 缓存未命中,从数据库查询
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profiles, err := s.profileRepo.FindByUserID(ctx, userID)
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2025-11-28 23:30:49 +08:00
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if err != nil {
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return nil, fmt.Errorf("查询档案列表失败: %w", err)
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}
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2025-12-24 16:03:46 +08:00
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// 存入缓存(异步)
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if profiles != nil {
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s.cache.SetAsync(context.Background(), cacheKey, profiles, s.cache.Policy.ProfileListTTL)
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}
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2025-11-28 23:30:49 +08:00
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return profiles, nil
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}
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2025-12-02 22:52:33 +08:00
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func (s *profileService) Update(ctx context.Context, uuid string, userID int64, name *string, skinID, capeID *int64) (*model.Profile, error) {
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// 获取档案并验证权限
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profile, err := s.profileRepo.FindByUUID(ctx, uuid)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, apperrors.ErrProfileNotFound
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}
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return nil, fmt.Errorf("查询档案失败: %w", err)
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}
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if profile.UserID != userID {
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return nil, apperrors.ErrProfileNoPermission
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}
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2025-12-02 10:33:19 +08:00
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// 检查角色名是否重复
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if name != nil && *name != profile.Name {
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existingName, err := s.profileRepo.FindByName(ctx, *name)
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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2025-12-02 19:43:39 +08:00
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return nil, fmt.Errorf("查询角色名失败: %w", err)
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2025-11-28 23:30:49 +08:00
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}
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if existingName != nil {
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return nil, errors.New("角色名已被使用")
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2025-11-28 23:30:49 +08:00
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}
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profile.Name = *name
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}
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2025-12-02 10:33:19 +08:00
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// 更新皮肤和披风
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2025-11-28 23:30:49 +08:00
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if skinID != nil {
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profile.SkinID = skinID
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}
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if capeID != nil {
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profile.CapeID = capeID
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}
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2025-12-03 15:27:12 +08:00
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if err := s.profileRepo.Update(ctx, profile); err != nil {
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return nil, fmt.Errorf("更新档案失败: %w", err)
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2025-11-28 23:30:49 +08:00
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}
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2025-12-02 22:52:33 +08:00
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// 清除该 profile 和用户列表的缓存
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s.cacheInv.OnUpdate(ctx,
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s.cacheKeys.Profile(uuid),
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s.cacheKeys.ProfileList(userID),
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)
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2025-12-03 15:27:12 +08:00
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return s.profileRepo.FindByUUID(ctx, uuid)
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}
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2025-12-02 22:52:33 +08:00
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func (s *profileService) Delete(ctx context.Context, uuid string, userID int64) error {
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// 获取档案并验证权限
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2025-12-03 15:27:12 +08:00
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profile, err := s.profileRepo.FindByUUID(ctx, uuid)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return apperrors.ErrProfileNotFound
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}
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return fmt.Errorf("查询档案失败: %w", err)
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}
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if profile.UserID != userID {
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return apperrors.ErrProfileNoPermission
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}
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2025-12-03 15:27:12 +08:00
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if err := s.profileRepo.Delete(ctx, uuid); err != nil {
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2025-12-02 19:43:39 +08:00
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return fmt.Errorf("删除档案失败: %w", err)
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}
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2025-12-02 22:52:33 +08:00
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// 清除该 profile 和用户列表的缓存
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s.cacheInv.OnDelete(ctx,
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s.cacheKeys.Profile(uuid),
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s.cacheKeys.ProfileList(userID),
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)
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2025-11-28 23:30:49 +08:00
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return nil
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}
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func (s *profileService) CheckLimit(ctx context.Context, userID int64, maxProfiles int) error {
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count, err := s.profileRepo.CountByUserID(ctx, userID)
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if err != nil {
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2025-12-02 19:43:39 +08:00
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return fmt.Errorf("查询档案数量失败: %w", err)
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}
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if int(count) >= maxProfiles {
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return fmt.Errorf("已达到档案数量上限(%d个)", maxProfiles)
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}
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return nil
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}
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2025-12-02 22:52:33 +08:00
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func (s *profileService) GetByNames(ctx context.Context, names []string) ([]*model.Profile, error) {
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2025-12-03 15:27:12 +08:00
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profiles, err := s.profileRepo.GetByNames(ctx, names)
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if err != nil {
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return nil, fmt.Errorf("查找失败: %w", err)
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}
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|
|
|
|
|
return profiles, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2025-12-02 22:52:33 +08:00
|
|
|
|
func (s *profileService) GetByProfileName(ctx context.Context, name string) (*model.Profile, error) {
|
|
|
|
|
|
// Profile name 查询通常不会频繁缓存,但为了一致性也添加
|
2025-12-03 15:27:12 +08:00
|
|
|
|
profile, err := s.profileRepo.FindByName(ctx, name)
|
2025-12-02 19:43:39 +08:00
|
|
|
|
if err != nil {
|
|
|
|
|
|
return nil, errors.New("用户角色未创建")
|
|
|
|
|
|
}
|
|
|
|
|
|
return profile, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2026-07-09 20:44:41 +08:00
|
|
|
|
// ProfileSearchByName 按用户名批量查询档案,返回 NameAndId 列表(文档 2.1)
|
|
|
|
|
|
// 实现要点:
|
|
|
|
|
|
// - 客户端会 toLowerCase 规范化用户名,服务端也做一次兜底(结合仓储大小写不敏感查询);
|
|
|
|
|
|
// - 过滤掉空名与重复名;
|
|
|
|
|
|
// - 当 maxBatch > 0 且入参个数超过 maxBatch 时按文档契约返回错误(避免超大查询)。
|
|
|
|
|
|
func (s *profileService) ProfileSearchByName(ctx context.Context, names []string, maxBatch int) ([]model.NameAndId, error) {
|
|
|
|
|
|
// 规范化 + 去重 + 过滤空名
|
|
|
|
|
|
normalized := make([]string, 0, len(names))
|
|
|
|
|
|
seen := make(map[string]struct{}, len(names))
|
|
|
|
|
|
for _, n := range names {
|
|
|
|
|
|
// toLowerCase 兜底,与客户端行为一致
|
|
|
|
|
|
ln := strings.ToLower(strings.TrimSpace(n))
|
|
|
|
|
|
if ln == "" {
|
|
|
|
|
|
continue
|
|
|
|
|
|
}
|
|
|
|
|
|
if _, ok := seen[ln]; ok {
|
|
|
|
|
|
continue
|
|
|
|
|
|
}
|
|
|
|
|
|
seen[ln] = struct{}{}
|
|
|
|
|
|
normalized = append(normalized, ln)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
if maxBatch > 0 && len(normalized) > maxBatch {
|
|
|
|
|
|
return nil, fmt.Errorf("单次最多查询 %d 个用户名", maxBatch)
|
|
|
|
|
|
}
|
|
|
|
|
|
if len(normalized) == 0 {
|
|
|
|
|
|
return []model.NameAndId{}, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
profiles, err := s.profileRepo.GetByNames(ctx, normalized)
|
|
|
|
|
|
if err != nil {
|
|
|
|
|
|
return nil, fmt.Errorf("查找失败: %w", err)
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 映射为 NameAndId(仅 id + name,保持存储的大小写)
|
|
|
|
|
|
result := make([]model.NameAndId, 0, len(profiles))
|
|
|
|
|
|
for _, p := range profiles {
|
|
|
|
|
|
if p == nil {
|
|
|
|
|
|
continue
|
|
|
|
|
|
}
|
|
|
|
|
|
result = append(result, model.NameAndId{
|
|
|
|
|
|
ID: p.UUID,
|
|
|
|
|
|
Name: p.Name,
|
|
|
|
|
|
})
|
|
|
|
|
|
}
|
|
|
|
|
|
return result, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// ProfileSearchByNameSingle 按单个用户名查询档案,返回 NameAndId(文档 2.2)
|
|
|
|
|
|
// 实现要点:
|
|
|
|
|
|
// - name 经 toLowerCase + trim 兜底规范化,配合仓储大小写不敏感查询;
|
|
|
|
|
|
// - 空名直接返回 (nil, nil),符合文档"客户端返回 Optional.empty()"的契约;
|
|
|
|
|
|
// - 查询错误或未命中均返回 (nil, nil),仅记日志,不上抛错误(与文档行为一致)。
|
|
|
|
|
|
func (s *profileService) ProfileSearchByNameSingle(ctx context.Context, name string) (*model.NameAndId, error) {
|
|
|
|
|
|
ln := strings.ToLower(strings.TrimSpace(name))
|
|
|
|
|
|
if ln == "" {
|
|
|
|
|
|
return nil, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
profile, err := s.profileRepo.FindByName(ctx, ln)
|
|
|
|
|
|
if err != nil {
|
|
|
|
|
|
// 记录非致命错误但不返回,与文档"任意错误返回 Optional.empty()"保持一致
|
|
|
|
|
|
s.logger.Warn("按用户名查档失败", zap.String("name", name), zap.Error(err))
|
|
|
|
|
|
return nil, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
if profile == nil {
|
|
|
|
|
|
return nil, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
return &model.NameAndId{
|
|
|
|
|
|
ID: profile.UUID,
|
|
|
|
|
|
Name: profile.Name,
|
|
|
|
|
|
}, nil
|
|
|
|
|
|
}
|
|
|
|
|
|
|
2025-12-02 19:43:39 +08:00
|
|
|
|
// generateRSAPrivateKeyInternal 生成RSA-2048私钥(PEM格式)
|
|
|
|
|
|
func generateRSAPrivateKeyInternal() (string, error) {
|
2025-11-28 23:30:49 +08:00
|
|
|
|
privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
|
|
|
|
|
|
if err != nil {
|
|
|
|
|
|
return "", err
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
privateKeyBytes := x509.MarshalPKCS1PrivateKey(privateKey)
|
|
|
|
|
|
privateKeyPEM := pem.EncodeToMemory(&pem.Block{
|
|
|
|
|
|
Type: "RSA PRIVATE KEY",
|
|
|
|
|
|
Bytes: privateKeyBytes,
|
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
return string(privateKeyPEM), nil
|
|
|
|
|
|
}
|