freefire
5270fee2b7
- 新增 smartDiff 差异计算与 EditHistoryModal 编辑历史弹窗，替换原 CommentEditHistoryModal - 新增 PostEditedMark 编辑标记展示 - 新增内容锁定机制（content_lock）防止并发编辑冲突 - 审核与通知服务适配
316 lines
10 KiB
Go
316 lines
10 KiB
Go
package service
|
||
|
||
import (
|
||
"errors"
|
||
"time"
|
||
|
||
"github.com/freefire/jiang13-bbs/model"
|
||
"gorm.io/gorm"
|
||
)
|
||
|
||
// 内容审核相关错误
|
||
var (
|
||
ErrModerationForbidden = errors.New("无权审核该板块的内容")
|
||
ErrNotPending = errors.New("该内容不在待审核状态")
|
||
ErrAuthorProtected = errors.New("无权处置该作者的内容")
|
||
ErrPurgeOwnerOnly = errors.New("仅站长可彻底删除")
|
||
)
|
||
|
||
// ModerationService 帖子/评论审核队列
|
||
type ModerationService struct {
|
||
db *gorm.DB
|
||
notif *NotificationService
|
||
}
|
||
|
||
func NewModerationService(db *gorm.DB, notif *NotificationService) *ModerationService {
|
||
return &ModerationService{db: db, notif: notif}
|
||
}
|
||
|
||
// PendingCommentItem 待审评论列表项（带上所属帖子与板块，便于按板块隔离与展示）
|
||
type PendingCommentItem struct {
|
||
ID uint `json:"id"`
|
||
PostID uint `json:"post_id"`
|
||
PostTitle string `json:"post_title"`
|
||
BoardID uint `json:"board_id"`
|
||
Board model.Board `json:"board"`
|
||
Content string `json:"content"`
|
||
CreatedAt time.Time `json:"created_at"`
|
||
User model.User `json:"user"`
|
||
}
|
||
|
||
// boardScope 板块管理员只能看到/操作被授权板块；管理员及以上不限
|
||
func boardScope(q *gorm.DB, actor *Actor) *gorm.DB {
|
||
if actor.Role == model.RoleBoardAdmin {
|
||
return q.Where("board_id IN ?", actor.BoardIDs)
|
||
}
|
||
return q
|
||
}
|
||
|
||
// PendingPosts 待审核帖子分页
|
||
func (s *ModerationService) PendingPosts(actor *Actor, page, size int) ([]model.Post, int64, error) {
|
||
if page < 1 {
|
||
page = 1
|
||
}
|
||
if size < 1 || size > 50 {
|
||
size = 15
|
||
}
|
||
q := s.db.Model(&model.Post{}).Where("status = ?", model.ContentStatusPending)
|
||
q = boardScope(q, actor)
|
||
var total int64
|
||
if err := q.Count(&total).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
var posts []model.Post
|
||
if err := q.Order("created_at ASC").
|
||
Offset((page - 1) * size).Limit(size).
|
||
Preload("Board").Preload("User").
|
||
Find(&posts).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
return posts, total, nil
|
||
}
|
||
|
||
// PendingComments 待审核评论分页（JOIN 帖子取板块与标题）
|
||
func (s *ModerationService) PendingComments(actor *Actor, page, size int) ([]PendingCommentItem, int64, error) {
|
||
if page < 1 {
|
||
page = 1
|
||
}
|
||
if size < 1 || size > 50 {
|
||
size = 15
|
||
}
|
||
base := s.db.Table("comments").
|
||
Joins("JOIN posts ON posts.id = comments.post_id").
|
||
Where("comments.status = ? AND comments.deleted_at IS NULL AND posts.deleted_at IS NULL",
|
||
model.ContentStatusPending)
|
||
if actor.Role == model.RoleBoardAdmin {
|
||
base = base.Where("posts.board_id IN ?", actor.BoardIDs)
|
||
}
|
||
var total int64
|
||
if err := base.Count(&total).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
type row struct {
|
||
ID uint
|
||
PostID uint
|
||
PostTitle string
|
||
BoardID uint
|
||
Content string
|
||
CreatedAt time.Time
|
||
UserID uint
|
||
}
|
||
var rows []row
|
||
if err := base.Select("comments.id, comments.post_id, posts.title AS post_title, posts.board_id, " +
|
||
"comments.content, comments.created_at, comments.user_id").
|
||
Order("comments.created_at ASC").
|
||
Offset((page - 1) * size).Limit(size).
|
||
Scan(&rows).Error; err != nil {
|
||
return nil, 0, err
|
||
}
|
||
items := make([]PendingCommentItem, 0, len(rows))
|
||
if len(rows) > 0 {
|
||
userIDs := map[uint]bool{}
|
||
boardIDs := map[uint]bool{}
|
||
for _, r := range rows {
|
||
userIDs[r.UserID] = true
|
||
if r.BoardID > 0 {
|
||
boardIDs[r.BoardID] = true
|
||
}
|
||
}
|
||
var users []model.User
|
||
s.db.Where("id IN ?", keys(userIDs)).Find(&users)
|
||
userMap := map[uint]model.User{}
|
||
for _, u := range users {
|
||
userMap[u.ID] = u
|
||
}
|
||
var boards []model.Board
|
||
s.db.Where("id IN ?", keys(boardIDs)).Find(&boards)
|
||
boardMap := map[uint]model.Board{}
|
||
for _, b := range boards {
|
||
boardMap[b.ID] = b
|
||
}
|
||
for _, r := range rows {
|
||
items = append(items, PendingCommentItem{
|
||
ID: r.ID,
|
||
PostID: r.PostID,
|
||
PostTitle: r.PostTitle,
|
||
BoardID: r.BoardID,
|
||
Board: boardMap[r.BoardID],
|
||
Content: r.Content,
|
||
CreatedAt: r.CreatedAt,
|
||
User: userMap[r.UserID],
|
||
})
|
||
}
|
||
}
|
||
return items, total, nil
|
||
}
|
||
|
||
// PendingCounts 当前操作者可见的待审数量（导航角标）
|
||
func (s *ModerationService) PendingCounts(actor *Actor) (posts int64, comments int64) {
|
||
q := s.db.Model(&model.Post{}).Where("status = ?", model.ContentStatusPending)
|
||
boardScope(q, actor).Count(&posts)
|
||
|
||
cq := s.db.Table("comments").
|
||
Joins("JOIN posts ON posts.id = comments.post_id").
|
||
Where("comments.status = ? AND comments.deleted_at IS NULL AND posts.deleted_at IS NULL",
|
||
model.ContentStatusPending)
|
||
if actor.Role == model.RoleBoardAdmin {
|
||
cq = cq.Where("posts.board_id IN ?", actor.BoardIDs)
|
||
}
|
||
cq.Count(&comments)
|
||
return
|
||
}
|
||
|
||
// ApprovePost 帖子审核通过；成功时返回板块 ID 供 feed 广播
|
||
func (s *ModerationService) ApprovePost(actor *Actor, id uint) (boardID uint, err error) {
|
||
err = s.db.Transaction(func(tx *gorm.DB) error {
|
||
var post model.Post
|
||
if err := tx.First(&post, id).Error; err != nil {
|
||
return err
|
||
}
|
||
if !actor.CanModerateBoard(post.BoardID) {
|
||
return ErrModerationForbidden
|
||
}
|
||
if post.Status != model.ContentStatusPending {
|
||
return ErrNotPending
|
||
}
|
||
updates := map[string]interface{}{
|
||
"status": model.ContentStatusPublished,
|
||
}
|
||
// 悬赏/抽奖：首次公开发布时补写 ends_at
|
||
if raw, ok := EnsureDeadlineOnPublish(post.TypeMeta, post.PostType, time.Now().UTC()); ok {
|
||
updates["type_meta"] = raw
|
||
}
|
||
// UpdateColumns：审核非内容编辑，不刷新 updated_at（详情页「更新于」由该字段推导）
|
||
if err := tx.Model(&post).UpdateColumns(updates).Error; err != nil {
|
||
return err
|
||
}
|
||
boardID = post.BoardID
|
||
s.notif.Create(post.UserID, actor.ID, model.NotificationTypeApproved, post.ID, 0,
|
||
"你的帖子《"+post.Title+"》已通过审核")
|
||
return nil
|
||
})
|
||
return boardID, err
|
||
}
|
||
|
||
// RejectPost 帖子审核拒绝（标记 rejected，不物理删除；作者仍可在详情页看到结果）
|
||
func (s *ModerationService) RejectPost(actor *Actor, id uint) error {
|
||
return s.db.Transaction(func(tx *gorm.DB) error {
|
||
var post model.Post
|
||
if err := tx.First(&post, id).Error; err != nil {
|
||
return err
|
||
}
|
||
if !actor.CanModerateBoard(post.BoardID) {
|
||
return ErrModerationForbidden
|
||
}
|
||
if post.Status != model.ContentStatusPending {
|
||
return ErrNotPending
|
||
}
|
||
// UpdateColumn：审核非内容编辑，不刷新 updated_at
|
||
if err := tx.Model(&post).UpdateColumn("status", model.ContentStatusRejected).Error; err != nil {
|
||
return err
|
||
}
|
||
s.notif.Create(post.UserID, actor.ID, model.NotificationTypeRejected, post.ID, 0,
|
||
"你的帖子《"+post.Title+"》未通过审核")
|
||
return nil
|
||
})
|
||
}
|
||
|
||
// ApproveComment 评论审核通过（通过时才计入帖子评论数）；成功时返回帖子 ID 与板块 ID
|
||
func (s *ModerationService) ApproveComment(actor *Actor, id uint) (postID, boardID uint, err error) {
|
||
err = s.db.Transaction(func(tx *gorm.DB) error {
|
||
var cm model.Comment
|
||
if err := tx.First(&cm, id).Error; err != nil {
|
||
return err
|
||
}
|
||
var post model.Post
|
||
if err := tx.Select("id", "board_id", "title", "user_id").First(&post, cm.PostID).Error; err != nil {
|
||
return err
|
||
}
|
||
if !actor.CanModerateBoard(post.BoardID) {
|
||
return ErrModerationForbidden
|
||
}
|
||
if cm.Status != model.ContentStatusPending {
|
||
return ErrNotPending
|
||
}
|
||
// UpdateColumn：审核非内容编辑，不刷新评论 updated_at（该字段用于 edited 判定）
|
||
if err := tx.Model(&cm).UpdateColumn("status", model.ContentStatusPublished).Error; err != nil {
|
||
return err
|
||
}
|
||
if err := tx.Model(&model.Post{}).Where("id = ?", cm.PostID).
|
||
UpdateColumn("comment_count", gorm.Expr("comment_count + 1")).Error; err != nil {
|
||
return err
|
||
}
|
||
postID = cm.PostID
|
||
boardID = post.BoardID
|
||
s.notif.Create(cm.UserID, actor.ID, model.NotificationTypeApproved, cm.PostID, cm.ID,
|
||
"你在帖子《"+post.Title+"》下的评论已通过审核")
|
||
// 评论此时才公开，补发送业务通知（以评论者为 actor）：
|
||
// 主评论通知帖子作者；子回复通知父评论作者
|
||
if cm.ParentID == nil {
|
||
s.notif.Create(post.UserID, cm.UserID, model.NotificationTypeComment, cm.PostID, cm.ID, cm.Content)
|
||
} else {
|
||
var parent model.Comment
|
||
if err := tx.Select("user_id").First(&parent, *cm.ParentID).Error; err == nil {
|
||
s.notif.Create(parent.UserID, cm.UserID, model.NotificationTypeReply, cm.PostID, cm.ID, cm.Content)
|
||
}
|
||
}
|
||
return nil
|
||
})
|
||
return postID, boardID, err
|
||
}
|
||
|
||
// RejectComment 评论审核拒绝
|
||
func (s *ModerationService) RejectComment(actor *Actor, id uint) error {
|
||
return s.db.Transaction(func(tx *gorm.DB) error {
|
||
var cm model.Comment
|
||
if err := tx.First(&cm, id).Error; err != nil {
|
||
return err
|
||
}
|
||
var post model.Post
|
||
if err := tx.Select("id", "board_id", "title").First(&post, cm.PostID).Error; err != nil {
|
||
return err
|
||
}
|
||
if !actor.CanModerateBoard(post.BoardID) {
|
||
return ErrModerationForbidden
|
||
}
|
||
if cm.Status != model.ContentStatusPending {
|
||
return ErrNotPending
|
||
}
|
||
// UpdateColumn：审核非内容编辑，不刷新评论 updated_at（该字段用于 edited 判定）
|
||
if err := tx.Model(&cm).UpdateColumn("status", model.ContentStatusRejected).Error; err != nil {
|
||
return err
|
||
}
|
||
s.notif.Create(cm.UserID, actor.ID, model.NotificationTypeRejected, cm.PostID, cm.ID,
|
||
"你在帖子《"+post.Title+"》下的评论未通过审核")
|
||
return nil
|
||
})
|
||
}
|
||
|
||
// UserHasApprovedContent 用户是否已有至少一篇已发布帖子或一条已发布评论（即曾通过审核或免审直发）
|
||
func (s *ModerationService) UserHasApprovedContent(userID uint) (bool, error) {
|
||
var n int64
|
||
if err := s.db.Model(&model.Post{}).
|
||
Where("user_id = ? AND status = ?", userID, model.ContentStatusPublished).
|
||
Limit(1).Count(&n).Error; err != nil {
|
||
return false, err
|
||
}
|
||
if n > 0 {
|
||
return true, nil
|
||
}
|
||
n = 0
|
||
if err := s.db.Model(&model.Comment{}).
|
||
Where("user_id = ? AND status = ?", userID, model.ContentStatusPublished).
|
||
Limit(1).Count(&n).Error; err != nil {
|
||
return false, err
|
||
}
|
||
return n > 0, nil
|
||
}
|
||
|
||
func keys(m map[uint]bool) []uint {
|
||
out := make([]uint, 0, len(m))
|
||
for k := range m {
|
||
out = append(out, k)
|
||
}
|
||
return out
|
||
}
|