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Replace websocket flow with SSE support in backend.

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Update handlers, services, router, and data conversion logic to support server-sent events and related message pipeline changes.

Made-with: Cursor
This commit is contained in:
兰一民
2026-03-10 12:58:23 +08:00
parent 4c0177149a
commit 86ef150fec
19 changed files with 689 additions and 1719 deletions
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44
internal/service/post_service.go
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@@ -77,6 +77,8 @@ func (s *PostService) reviewPostAsync(postID, userID, title, content string, ima
if s.postAIService == nil || !s.postAIService.IsEnabled() {
if err := s.postRepo.UpdateModerationStatus(postID, model.PostStatusPublished, "", "system"); err != nil {
log.Printf("[WARN] Failed to publish post without AI moderation: %v", err)
} else {
s.invalidatePostCaches(postID)
}
return
}
@@ -87,6 +89,8 @@ func (s *PostService) reviewPostAsync(postID, userID, title, content string, ima
if errors.As(err, &rejectedErr) {
if updateErr := s.postRepo.UpdateModerationStatus(postID, model.PostStatusRejected, rejectedErr.UserMessage(), "ai"); updateErr != nil {
log.Printf("[WARN] Failed to reject post %s: %v", postID, updateErr)
} else {
s.invalidatePostCaches(postID)
}
s.notifyModerationRejected(userID, rejectedErr.Reason)
return
@@ -95,6 +99,8 @@ func (s *PostService) reviewPostAsync(postID, userID, title, content string, ima
// 规则审核不可用时，降级为发布，避免长时间pending
if updateErr := s.postRepo.UpdateModerationStatus(postID, model.PostStatusPublished, "", "system"); updateErr != nil {
log.Printf("[WARN] Failed to publish post %s after moderation error: %v", postID, updateErr)
} else {
s.invalidatePostCaches(postID)
}
log.Printf("[WARN] Post moderation failed, fallback publish post=%s err=%v", postID, err)
return
@@ -104,6 +110,7 @@ func (s *PostService) reviewPostAsync(postID, userID, title, content string, ima
log.Printf("[WARN] Failed to publish post %s: %v", postID, err)
return
}
s.invalidatePostCaches(postID)
if s.gorseClient.IsEnabled() {
post, getErr := s.postRepo.GetByID(postID)
@@ -120,6 +127,11 @@ func (s *PostService) reviewPostAsync(postID, userID, title, content string, ima
}
}
func (s *PostService) invalidatePostCaches(postID string) {
cache.InvalidatePostDetail(s.cache, postID)
cache.InvalidatePostList(s.cache)
}
func (s *PostService) notifyModerationRejected(userID, reason string) {
if s.systemMessageService == nil || strings.TrimSpace(userID) == "" {
return
@@ -149,7 +161,12 @@ func (s *PostService) GetByID(ctx context.Context, id string) (*model.Post, erro
// Update 更新帖子
func (s *PostService) Update(ctx context.Context, post *model.Post) error {
err := s.postRepo.Update(post)
return s.UpdateWithImages(ctx, post, nil)
}
// UpdateWithImages 更新帖子并可选更新图片（images=nil 表示不更新图片）
func (s *PostService) UpdateWithImages(ctx context.Context, post *model.Post, images *[]string) error {
err := s.postRepo.UpdateWithImages(post, images)
if err != nil {
return err
}
@@ -185,7 +202,7 @@ func (s *PostService) Delete(ctx context.Context, id string) error {
}
// List 获取帖子列表（带缓存）
func (s *PostService) List(ctx context.Context, page, pageSize int, userID string) ([]*model.Post, int64, error) {
func (s *PostService) List(ctx context.Context, page, pageSize int, userID string, includePending bool) ([]*model.Post, int64, error) {
cacheSettings := cache.GetSettings()
postListTTL := cacheSettings.PostListTTL
if postListTTL <= 0 {
@@ -200,8 +217,12 @@ func (s *PostService) List(ctx context.Context, page, pageSize int, userID strin
jitter = PostListJitterRatio
}
// 生成缓存键（包含 userID 维度，避免过滤查询与全量查询互相污染）
cacheKey := cache.PostListKey("latest", userID, page, pageSize)
// 生成缓存键（包含 userID 维度与可见性维度，避免作者视角污染公开视角）
visibilityUserKey := userID
if includePending && userID != "" {
visibilityUserKey = "owner:" + userID
}
cacheKey := cache.PostListKey("latest", visibilityUserKey, page, pageSize)
result, err := cache.GetOrLoadTyped[*PostListResult](
s.cache,
@@ -210,7 +231,7 @@ func (s *PostService) List(ctx context.Context, page, pageSize int, userID strin
jitter,
nullTTL,
func() (*PostListResult, error) {
posts, total, err := s.postRepo.List(page, pageSize, userID)
posts, total, err := s.postRepo.List(page, pageSize, userID, includePending)
if err != nil {
return nil, err
}
@@ -234,7 +255,7 @@ func (s *PostService) List(ctx context.Context, page, pageSize int, userID strin
}
}
if missingAuthor {
posts, total, loadErr := s.postRepo.List(page, pageSize, userID)
posts, total, loadErr := s.postRepo.List(page, pageSize, userID, includePending)
if loadErr != nil {
return nil, 0, loadErr
}
@@ -247,12 +268,17 @@ func (s *PostService) List(ctx context.Context, page, pageSize int, userID strin
// GetLatestPosts 获取最新帖子（语义化别名）
func (s *PostService) GetLatestPosts(ctx context.Context, page, pageSize int, userID string) ([]*model.Post, int64, error) {
return s.List(ctx, page, pageSize, userID)
return s.List(ctx, page, pageSize, userID, false)
}
// GetLatestPostsForOwner 获取作者视角帖子列表（包含待审核）
func (s *PostService) GetLatestPostsForOwner(ctx context.Context, page, pageSize int, userID string) ([]*model.Post, int64, error) {
return s.List(ctx, page, pageSize, userID, true)
}
// GetUserPosts 获取用户帖子
func (s *PostService) GetUserPosts(ctx context.Context, userID string, page, pageSize int) ([]*model.Post, int64, error) {
return s.postRepo.GetUserPosts(userID, page, pageSize)
func (s *PostService) GetUserPosts(ctx context.Context, userID string, page, pageSize int, includePending bool) ([]*model.Post, int64, error) {
return s.postRepo.GetUserPosts(userID, page, pageSize, includePending)
}
// Like 点赞