freefire
a7b6421840
- 新增站长/超级管理员/管理员/板块管理员四级角色体系 - 实现实时权限快照加载与细粒度权限校验 - 新增内容审核队列与前后端页面 - 重构用户权限管理与站点管理逻辑 - 新增评论/帖子审核状态与通知推送 - 优化前端权限控制与角色徽章展示 - 修正数据库迁移与默认值问题
291 lines
8.6 KiB
Go
291 lines
8.6 KiB
Go
package service
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import (
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"strconv"
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"time"
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"github.com/freefire/jiang13-bbs/model"
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"gorm.io/gorm"
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)
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// OverviewService 首页聚合服务：一次请求返回统计、热门榜、活跃用户、板块计数
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type OverviewService struct {
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db *gorm.DB
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}
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func NewOverviewService(db *gorm.DB) *OverviewService {
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return &OverviewService{db: db}
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}
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// OverviewStats 社区整体统计（社区脉搏卡）
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type OverviewStats struct {
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Posts int64 `json:"posts"`
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Users int64 `json:"users"`
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Comments int64 `json:"comments"`
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TodayPosts int64 `json:"today_posts"`
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TodayUsers int64 `json:"today_users"`
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TodayComments int64 `json:"today_comments"`
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Online int64 `json:"online"` // 近 5 分钟活跃用户
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PeakOnline int64 `json:"peak_online"` // 历史在线峰值
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}
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// ActiveUser 本周活跃用户（发帖数 / 回复数分列）
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type ActiveUser struct {
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ID uint `json:"id"`
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Username string `json:"username"`
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Nickname string `json:"nickname"`
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Avatar string `json:"avatar"`
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PostCount int64 `json:"post_count"`
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CommentCount int64 `json:"comment_count"`
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}
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// BoardCount 板块及其已发布帖子计数（Board 字段被 encoding/json 展平）
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type BoardCount struct {
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model.Board
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PostCount int64 `json:"post_count"`
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}
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// AnnouncementItem 首页"站点公告"条目（标签/日期/标题）
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type AnnouncementItem struct {
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ID uint `json:"id"`
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Title string `json:"title"`
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Tag string `json:"tag"`
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TagColor string `json:"tag_color"`
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CreatedAt time.Time `json:"created_at"`
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}
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// NewUserItem 最新注册成员
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type NewUserItem struct {
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ID uint `json:"id"`
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Username string `json:"username"`
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Nickname string `json:"nickname"`
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Avatar string `json:"avatar"`
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CreatedAt time.Time `json:"created_at"`
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}
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// OverviewData 首页聚合数据
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type OverviewData struct {
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Stats OverviewStats `json:"stats"`
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Hot []PostListItem `json:"hot"`
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ActiveUsers []ActiveUser `json:"active_users"`
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Boards []BoardCount `json:"boards"`
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Announcements []AnnouncementItem `json:"announcements"`
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NewUsers []NewUserItem `json:"new_users"`
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Checkin *CheckinStatus `json:"checkin,omitempty"`
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}
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const (
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// onlineWindow 判定"在线"的最近活跃窗口
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onlineWindow = 5 * time.Minute
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// peakOnlineKey 历史在线峰值在 site_settings 中的键
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peakOnlineKey = "peak_online"
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)
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// startOfWeek 返回本周一 00:00（本地时区）
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func startOfWeek(t time.Time) time.Time {
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wd := int(t.Weekday())
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if wd == 0 {
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wd = 7 // 周日归到本周末尾
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}
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d := t.AddDate(0, 0, -(wd - 1))
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return time.Date(d.Year(), d.Month(), d.Day(), 0, 0, 0, 0, t.Location())
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}
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// Get 聚合首页数据。hot 的 liked 态由 handler 层按当前用户填充。
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func (s *OverviewService) Get() (*OverviewData, error) {
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data := &OverviewData{
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Hot: []PostListItem{},
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ActiveUsers: []ActiveUser{},
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Boards: []BoardCount{},
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Announcements: []AnnouncementItem{},
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NewUsers: []NewUserItem{},
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}
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now := time.Now()
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dayStart := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location())
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weekStart := startOfWeek(now)
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onlineSince := now.Add(-onlineWindow)
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// 统计
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postQ := s.db.Model(&model.Post{}).Where("status = ?", model.ContentStatusPublished)
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if err := postQ.Count(&data.Stats.Posts).Error; err != nil {
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return nil, err
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}
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if err := s.db.Model(&model.User{}).Count(&data.Stats.Users).Error; err != nil {
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return nil, err
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}
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if err := s.db.Model(&model.Comment{}).Where("status = ?", model.ContentStatusPublished).Count(&data.Stats.Comments).Error; err != nil {
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return nil, err
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}
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if err := s.db.Model(&model.Post{}).
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Where("status = ? AND created_at >= ?", model.ContentStatusPublished, dayStart).
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Count(&data.Stats.TodayPosts).Error; err != nil {
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return nil, err
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}
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if err := s.db.Model(&model.User{}).
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Where("created_at >= ?", dayStart).
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Count(&data.Stats.TodayUsers).Error; err != nil {
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return nil, err
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}
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if err := s.db.Model(&model.Comment{}).
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Where("status = ? AND created_at >= ?", model.ContentStatusPublished, dayStart).
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Count(&data.Stats.TodayComments).Error; err != nil {
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return nil, err
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}
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// 在线用户（近 5 分钟有请求）与历史峰值
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if err := s.db.Model(&model.User{}).
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Where("last_seen_at IS NOT NULL AND last_seen_at >= ? AND banned = ?", onlineSince, false).
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Count(&data.Stats.Online).Error; err != nil {
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return nil, err
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}
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data.Stats.PeakOnline = s.refreshPeakOnline(data.Stats.Online)
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// 热门榜：非置顶，按 赞 + 评论×2
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var hotPosts []model.Post
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if err := s.db.Where("status = ? AND pinned = 0", model.ContentStatusPublished).
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Order("(like_count + comment_count * 2) DESC, created_at DESC").
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Limit(5).Preload("Board").Preload("User").Find(&hotPosts).Error; err != nil {
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return nil, err
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}
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data.Hot = toPostListItems(hotPosts)
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// 本周活跃用户：发帖/评论分别计数，JOIN 用户过滤封禁/软删
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type activityRow struct {
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UserID uint
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PostCount int64
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CommentCount int64
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}
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var rows []activityRow
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activitySQL := `
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SELECT a.user_id AS user_id,
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SUM(a.is_post) AS post_count,
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SUM(1 - a.is_post) AS comment_count
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FROM (
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SELECT user_id, 1 AS is_post FROM posts WHERE status = ? AND created_at >= ? AND deleted_at IS NULL
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UNION ALL
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SELECT user_id, 0 AS is_post FROM comments WHERE status = ? AND created_at >= ? AND deleted_at IS NULL
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) AS a
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JOIN users AS u ON u.id = a.user_id
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WHERE u.banned = ? AND u.deleted_at IS NULL
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GROUP BY a.user_id
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ORDER BY COUNT(*) DESC, a.user_id ASC
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LIMIT 5`
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if err := s.db.Raw(activitySQL,
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model.ContentStatusPublished, weekStart,
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model.ContentStatusPublished, weekStart,
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false).Scan(&rows).Error; err != nil {
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return nil, err
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}
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if len(rows) > 0 {
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ids := make([]uint, 0, len(rows))
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for _, r := range rows {
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ids = append(ids, r.UserID)
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}
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var users []model.User
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if err := s.db.Where("id IN ?", ids).Find(&users).Error; err != nil {
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return nil, err
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}
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userMap := make(map[uint]model.User, len(users))
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for _, u := range users {
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userMap[u.ID] = u
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}
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for _, r := range rows {
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u, ok := userMap[r.UserID]
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if !ok {
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continue
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}
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data.ActiveUsers = append(data.ActiveUsers, ActiveUser{
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ID: u.ID,
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Username: u.Username,
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Nickname: u.Nickname,
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Avatar: u.Avatar,
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PostCount: r.PostCount,
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CommentCount: r.CommentCount,
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})
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}
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}
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// 板块 + 各自帖子计数（一条 GROUP BY）
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var boards []model.Board
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if err := s.db.Order("sort_order ASC, id ASC").Find(&boards).Error; err != nil {
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return nil, err
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}
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type countRow struct {
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BoardID uint
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Cnt int64
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}
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var counts []countRow
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if err := s.db.Model(&model.Post{}).
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Select("board_id, COUNT(*) AS cnt").
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Where("status = ?", model.ContentStatusPublished).
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Group("board_id").Scan(&counts).Error; err != nil {
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return nil, err
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}
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countMap := make(map[uint]int64, len(counts))
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for _, c := range counts {
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countMap[c.BoardID] = c.Cnt
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}
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for _, b := range boards {
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data.Boards = append(data.Boards, BoardCount{Board: b, PostCount: countMap[b.ID]})
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}
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// 站点公告（已发布，最新 5 条）
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var anns []model.Announcement
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if err := s.db.Where("published = ?", true).
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Order("created_at DESC, id DESC").Limit(5).Find(&anns).Error; err != nil {
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return nil, err
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}
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for _, a := range anns {
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data.Announcements = append(data.Announcements, AnnouncementItem{
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ID: a.ID,
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Title: a.Title,
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Tag: a.Tag,
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TagColor: a.TagColor,
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CreatedAt: a.CreatedAt,
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})
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}
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// 最新注册成员
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var newUsers []model.User
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if err := s.db.Select("id, username, nickname, avatar, created_at").
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Where("banned = ?", false).
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Order("created_at DESC").Limit(8).Find(&newUsers).Error; err != nil {
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return nil, err
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}
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for _, u := range newUsers {
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data.NewUsers = append(data.NewUsers, NewUserItem{
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ID: u.ID,
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Username: u.Username,
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Nickname: u.Nickname,
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Avatar: u.Avatar,
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CreatedAt: u.CreatedAt,
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})
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}
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return data, nil
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}
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// refreshPeakOnline 读取历史峰值，当前在线更高则落库刷新
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func (s *OverviewService) refreshPeakOnline(online int64) int64 {
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var setting model.SiteSetting
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err := s.db.Where("key = ?", peakOnlineKey).First(&setting).Error
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if err == gorm.ErrRecordNotFound {
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setting = model.SiteSetting{Key: peakOnlineKey, Value: strconv.FormatInt(online, 10)}
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if online > 0 {
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s.db.Create(&setting)
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}
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return online
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}
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if err != nil {
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return 0
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}
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peak, _ := strconv.ParseInt(setting.Value, 10, 64)
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if online > peak {
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s.db.Model(&model.SiteSetting{}).Where("key = ?", peakOnlineKey).
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Update("value", strconv.FormatInt(online, 10))
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return online
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}
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return peak
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}
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