freefire
9bae6f2513
本次提交完成了多个核心功能迭代： 1. 新增用户每日签到系统，包含签到状态查询、连续天数统计、积分累计逻辑 2. 新增"新帖子"排序选项，替换原有的latest排序为新评论排序 3. 重构首页信息流布局，优化移动端与桌面端展示样式 4. 新增最新评论、最新注册用户模块，完善社区面板数据展示 5. 新增静态友情链接配置模块 6. 提取通用时间格式化工具函数，统一全站相对时间展示 7. 补充数据库签到模型与后端API接口，完善前后端交互链路
270 lines
7.7 KiB
Go
270 lines
7.7 KiB
Go
package service
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import (
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"strings"
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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
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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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}
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// ActiveUser 近 14 天活跃用户
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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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ActivityCount int64 `json:"activity_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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// LatestCommentItem 首页"最新评论"条目（纯文本摘要 + 所属帖子）
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type LatestCommentItem struct {
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ID uint `json:"id"`
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Content string `json:"content"`
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CreatedAt time.Time `json:"created_at"`
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User 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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} `json:"user"`
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Post struct {
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ID uint `json:"id"`
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Title string `json:"title"`
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} `json:"post"`
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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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LatestComments []LatestCommentItem `json:"latest_comments"`
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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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// truncateText 折叠空白并按 rune 截断（评论为纯文本，无 HTML 注入面）
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func truncateText(s string, n int) string {
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s = strings.Join(strings.Fields(s), " ")
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r := []rune(s)
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if len(r) > n {
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return string(r[:n]) + "…"
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}
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return s
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}
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const activeUserWindow = 14 * 24 * time.Hour
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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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LatestComments: []LatestCommentItem{},
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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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since := now.Add(-activeUserWindow)
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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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// 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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// 活跃用户：近 14 天发帖+评论合并计数，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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ActivityCount 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, COUNT(*) AS activity_count
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FROM (
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SELECT user_id 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 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 activity_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, since,
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model.ContentStatusPublished, since,
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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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ActivityCount: r.ActivityCount,
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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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// 最新评论：JOIN 未封禁用户与已发布帖，一条 SQL 取齐
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type latestCommentRow struct {
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ID uint
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Content string
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CreatedAt time.Time
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UID uint
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Username string
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Nickname string
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Avatar string
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PID uint
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Title string
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}
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var commentRows []latestCommentRow
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commentSQL := `
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SELECT c.id, c.content, c.created_at,
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u.id AS uid, u.username AS username, u.nickname AS nickname, u.avatar AS avatar,
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p.id AS pid, p.title AS title
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FROM comments c
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JOIN users u ON u.id = c.user_id AND u.banned = ? AND u.deleted_at IS NULL
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JOIN posts p ON p.id = c.post_id AND p.status = ? AND p.deleted_at IS NULL
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WHERE c.status = ? AND c.deleted_at IS NULL
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ORDER BY c.created_at DESC
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LIMIT 6`
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if err := s.db.Raw(commentSQL,
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false, model.ContentStatusPublished, model.ContentStatusPublished).
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Scan(&commentRows).Error; err != nil {
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return nil, err
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}
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for _, r := range commentRows {
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item := LatestCommentItem{
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ID: r.ID,
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Content: truncateText(r.Content, 60),
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CreatedAt: r.CreatedAt,
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}
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item.User.ID = r.UID
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item.User.Username = r.Username
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item.User.Nickname = r.Nickname
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item.User.Avatar = r.Avatar
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item.Post.ID = r.PID
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item.Post.Title = r.Title
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data.LatestComments = append(data.LatestComments, item)
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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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