Files
jiang13-bbs/backend/handler/comment.go
freefire 996a870015 feat: 新增站点公告系统与多项体验优化
此提交完成了以下核心功能与优化:
1. 新增站点公告全流程支持:包含公告模型、CRUD接口、管理后台页面、公告详情页与首页展示
2. 实现评论楼层化与回复嵌套:重构评论系统为树状结构,支持回复评论与层级限制
3. 添加用户在线状态追踪:异步更新用户最后活跃时间并做SQL限频
4. 优化用户体验:移动端浮动操作条、统一板块标签样式、用户页签到积分展示、注册即登录优化
5. 其他细节优化:SEO站点地图新增公告页、评论分页与统计、登录/注册表单增强等
2026-09-13 21:38:01 +08:00

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package handler
import (
"net/http"
"strconv"
"github.com/freefire/jiang13-bbs/middleware"
"github.com/freefire/jiang13-bbs/model"
"github.com/gin-gonic/gin"
)
// PostComments 获取帖子评论树(楼层分页:主评论算楼层,每楼附带全部子回复,时间正序)
func (h *Handlers) PostComments(c *gin.Context) {
id, err := strconv.ParseUint(c.Param("id"), 10, 64)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "无效的帖子 ID"})
return
}
page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
comments, floors, totalComments, err := h.Comment.ListFloorPaged(uint(id), page, size)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"comments": comments,
"total": floors, // 楼层数(主评论数)→ 前端分页与楼层号计算
"total_comments": totalComments, // 全部评论数(含回复)→ 展示徽标
"page": page,
"size": size,
})
}
// CreateCommentRequest 评论请求
type CreateCommentRequest struct {
Content string `json:"content" binding:"required,min=1"`
ParentID *uint `json:"parent_id"` // 非空 = 回复该评论(发为其子评论)
}
// CreateComment 创建评论(主评论或子回复)
func (h *Handlers) CreateComment(c *gin.Context) {
claims := middleware.CurrentUser(c)
id, err := strconv.ParseUint(c.Param("id"), 10, 64)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "无效的帖子 ID"})
return
}
var req CreateCommentRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
comment, parent, err := h.Comment.Create(claims.ID, uint(id), req.Content, req.ParentID)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
if parent == nil {
// 主评论:通知帖子作者(排除自己评论自己的帖子)
if authorID, e := h.Post.GetAuthorID(uint(id)); e == nil {
h.Notification.Create(authorID, claims.ID, model.NotificationTypeComment, uint(id), comment.ID, req.Content)
}
} else {
// 子回复:通知父评论作者(Notification.Create 内部排除自我通知)
h.Notification.Create(parent.UserID, claims.ID, model.NotificationTypeReply, uint(id), comment.ID, req.Content)
}
c.JSON(http.StatusOK, gin.H{"comment": comment})
}
// DeleteComment 删除评论
func (h *Handlers) DeleteComment(c *gin.Context) {
claims := middleware.CurrentUser(c)
cid, err := strconv.ParseUint(c.Param("cid"), 10, 64)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "无效的评论 ID"})
return
}
if err := h.Comment.Delete(uint(cid), claims.ID, claims.Role); err != nil {
c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{"message": "已删除"})
}