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feat: 帖子分级置顶（板块/全站）与板块管理员置顶权限、消息管理权限调整

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This commit is contained in:
姜十三
2026-10-15 23:35:30 +08:00
parent e7b0686947
commit 47f87a011c
40 changed files with 822 additions and 207 deletions
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53
backend/service/post.go
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@@ -19,6 +19,8 @@ var (
ErrPostInvalidType = errors.New("无效的删除类型")
ErrPostLocked = errors.New("帖子已被锁定，无法编辑")
ErrPostEditLocked = errors.New("帖子已超过可编辑时限，无法编辑")
ErrPinGlobalOnly = errors.New("全站置顶仅管理员可操作")
ErrPinInvalidLevel = errors.New("无效的置顶级别")
)
// editLocked 内容是否已被自动编辑锁定；管理团队豁免；hours<=0 表示不启用
@@ -247,18 +249,25 @@ func (s *PostService) List(q PostListQuery) ([]PostListItem, int64, error) {
var posts []model.Post
offset := (q.Page - 1) * q.Size
// 置顶排序前缀按范围区分：板块视图里全站置顶(2)在板块置顶(1)之上；
// 全站信息流只让全站置顶(2)浮顶，板块置顶(1)不影响首页与跨板列表。
// 同层级置顶帖之间按后台配置的 pin_order 升序（pin_order=0 视为未配置，排在已配置的后面，再按活跃序兜底）。
pinFirst := "(pinned >= 2) DESC, (pin_order = 0), pin_order ASC"
if q.BoardID > 0 {
pinFirst = "pinned DESC, (pin_order = 0), pin_order ASC"
}
// latest：按"最后活跃时间"排序——新帖与新评论都会浮到顶部。
// 取发帖时间与该帖最新一条已发布评论时间的较大值，相关子查询走 comments.post_id 索引
order := `pinned DESC, GREATEST(created_at, COALESCE((
order := pinFirst + `, GREATEST(created_at, COALESCE((
SELECT MAX(c.created_at) FROM comments c
WHERE c.post_id = posts.id AND c.status = 'published' AND c.deleted_at IS NULL
), created_at)) DESC`
if q.Sort == "recommended" {
order = "pinned DESC, (like_count + comment_count * 2) DESC, created_at DESC"
order = pinFirst + ", (like_count + comment_count * 2) DESC, created_at DESC"
}
// new：纯按发帖时间（新帖子）
if q.Sort == "new" {
order = "pinned DESC, created_at DESC"
order = pinFirst + ", created_at DESC"
}
if err := query.Order(order).Offset(offset).Limit(q.Size).
Preload("Board").Preload("User").Preload("User.Badges.Badge").Find(&posts).Error; err != nil {
@@ -311,7 +320,7 @@ func (s *PostService) ListByUser(userID, viewerID uint, actor *Actor, page, size
}
var posts []model.Post
offset := (page - 1) * size
order := "pinned DESC, created_at DESC"
order := "(pinned >= 2) DESC, (pin_order = 0), pin_order ASC, created_at DESC"
if sort == "hot" {
order = "like_count + comment_count DESC, view_count DESC, created_at DESC"
}
@@ -349,24 +358,36 @@ func (s *PostService) CountByUser(userID uint) (int64, error) {
return total, err
}
// TogglePin 切换置顶状态（仅管理员可操作，由 handler 校验权限）
func (s *PostService) TogglePin(id uint) (int, error) {
// TogglePin 设置置顶级别：level 0=取消置顶，1=板块置顶，2=全站置顶。
// 板块管理员只能操作自己授权板块且只能设置/取消板块置顶；管理员可设置任意级别。
func (s *PostService) TogglePin(id uint, actor *Actor, level int) (int, error) {
if level < model.PinNone || level > model.PinGlobal {
return 0, ErrPinInvalidLevel
}
var post model.Post
if err := s.db.First(&post, id).Error; err != nil {
if err := s.db.Select("id", "board_id", "pinned").First(&post, id).Error; err != nil {
return 0, err
}
var newPinned int
if post.Pinned > 0 {
newPinned = 0
} else {
newPinned = 1
isGlobalAdmin := actor != nil && model.RoleLevel(actor.Role) >= model.RoleLevel(model.RoleAdmin)
isBoardModerator := actor != nil && actor.CanModerateBoard(post.BoardID)
// 权限校验
if level == model.PinGlobal && !isGlobalAdmin {
return 0, ErrPinGlobalOnly
}
if level > model.PinNone && !isGlobalAdmin && !isBoardModerator {
return 0, ErrPostForbidden
}
// 板块管理员不能取消全局置顶（只能取消自己设置的板块置顶）
if !isGlobalAdmin && level == model.PinNone && post.Pinned == model.PinGlobal {
return 0, ErrPinGlobalOnly
}
// UpdateColumn：置顶非内容编辑，不刷新 updated_at
result := s.db.Model(&post).UpdateColumn("pinned", newPinned)
if result.Error != nil {
return 0, result.Error
if err := s.db.Model(&post).UpdateColumn("pinned", level).Error; err != nil {
return 0, err
}
return newPinned, nil
return level, nil
}
// ToggleLock 切换帖子手动锁定状态（仅管理员可操作，由 handler 校验权限）。