245 lines
8.5 KiB
Go
245 lines
8.5 KiB
Go
package handler
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import (
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"errors"
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"net/http"
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"strconv"
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"github.com/freefire/jiang13-bbs/middleware"
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"github.com/freefire/jiang13-bbs/model"
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"github.com/freefire/jiang13-bbs/service"
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"github.com/gin-gonic/gin"
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)
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// 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）
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func (h *Handlers) PostComments(c *gin.Context) {
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id, err := strconv.ParseUint(c.Param("id"), 10, 64)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的帖子 ID"})
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return
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}
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page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
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size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
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// 待审/被拒帖子的评论不对公众开放
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var viewerID uint
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var actor *service.Actor
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var loadActor func() *service.Actor
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if claims := middleware.CurrentUser(c); claims != nil {
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viewerID = claims.ID
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loadActor = h.actorLoader(claims.ID)
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if a, err := h.Auth.LoadActor(claims.ID); err == nil {
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actor = a
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}
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}
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if err := h.Post.EnsurePostVisible(uint(id), viewerID, loadActor); err != nil {
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c.JSON(http.StatusNotFound, gin.H{"error": "帖子不存在"})
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return
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}
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if allow, err := h.Setting.AllowComments(); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "评论暂时不可用"})
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return
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} else if !allow {
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c.JSON(http.StatusOK, gin.H{
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"comments": []any{},
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"total": 0,
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"total_comments": 0,
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"page": page,
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"size": size,
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})
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return
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}
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boardID, _ := h.Post.GetBoardID(uint(id))
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comments, floors, totalComments, err := h.Comment.ListFloorPaged(uint(id), boardID, viewerID, actor, page, size)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"comments": nonNilSlice(comments),
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"total": floors, // 楼层数（主评论数）→ 前端分页与楼层号计算
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"total_comments": totalComments, // 全部评论数（含回复）→ 展示徽标
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"page": page,
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"size": size,
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})
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}
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// CreateCommentRequest 评论请求
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type CreateCommentRequest struct {
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Content string `json:"content" binding:"required,min=1"`
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ParentID *uint `json:"parent_id"` // 非空 = 回复该评论（发为其子评论）
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}
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// CreateComment 创建评论（主评论或子回复）
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func (h *Handlers) CreateComment(c *gin.Context) {
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claims := middleware.CurrentUser(c)
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id, err := strconv.ParseUint(c.Param("id"), 10, 64)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的帖子 ID"})
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return
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}
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if allow, err := h.Setting.AllowComments(); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "评论暂时不可用"})
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return
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} else if !allow {
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c.JSON(http.StatusForbidden, gin.H{"error": "本站不支持评论"})
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return
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}
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var req CreateCommentRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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// staff 直发；已过审用户在站点开启免审时可直发；其余进待审队列（通过时才发业务通知）
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status := h.resolvePublishStatus(claims.ID, claims.Role)
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comment, parent, err := h.Comment.Create(claims.ID, uint(id), req.Content, req.ParentID, status)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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if comment.Status == model.ContentStatusPublished {
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if parent == nil {
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// 主评论：通知帖子作者（排除自己评论自己的帖子）
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if authorID, e := h.Post.GetAuthorID(uint(id)); e == nil {
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h.Notification.Create(authorID, claims.ID, model.NotificationTypeComment, uint(id), comment.ID, req.Content)
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}
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// 抽奖帖：主评入池并记录客户端 IP（同 IP 去重）
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h.Post.EnsureLotteryEntry(uint(id), claims.ID, comment.ID, c.ClientIP())
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} else {
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// 子回复：通知父评论作者（Notification.Create 内部排除自我通知）
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h.Notification.Create(parent.UserID, claims.ID, model.NotificationTypeReply, uint(id), comment.ID, req.Content)
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}
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if boardID, e := h.Post.GetBoardID(uint(id)); e == nil {
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h.broadcastFeedChanged("comment", uint(id), boardID, claims.ID)
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}
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} else if comment.Status == model.ContentStatusPending {
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if boardID, e := h.Post.GetBoardID(uint(id)); e == nil {
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h.notifyPendingReview(boardID, claims.ID, uint(id), comment.ID, "有新评论待审核")
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}
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}
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c.JSON(http.StatusOK, gin.H{"comment": comment})
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}
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// UpdateComment 编辑评论（作者或版主）
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func (h *Handlers) UpdateComment(c *gin.Context) {
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claims := middleware.CurrentUser(c)
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cid, err := strconv.ParseUint(c.Param("cid"), 10, 64)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的评论 ID"})
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return
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}
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var body struct {
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Content string `json:"content"`
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}
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if err := c.ShouldBindJSON(&body); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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node, err := h.Comment.Update(h.loadActor(claims.ID), uint(cid), claims.ID, body.Content)
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if err != nil {
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switch {
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case errors.Is(err, service.ErrCommentNotFound):
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c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
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case errors.Is(err, service.ErrCommentForbidden):
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c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
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case errors.Is(err, service.ErrCommentDeleted),
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errors.Is(err, service.ErrCommentNotChanged):
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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default:
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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}
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return
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}
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c.JSON(http.StatusOK, gin.H{"comment": node})
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}
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// DeleteComment 软删评论（占位；自删与管理删均须填理由，管理删另须类型）
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func (h *Handlers) DeleteComment(c *gin.Context) {
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claims := middleware.CurrentUser(c)
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cid, err := strconv.ParseUint(c.Param("cid"), 10, 64)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的评论 ID"})
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return
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}
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var body struct {
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DeleteType string `json:"delete_type"`
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DeleteReason string `json:"delete_reason"`
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}
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_ = c.ShouldBindJSON(&body)
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if err := h.Comment.Delete(h.loadActor(claims.ID), uint(cid), claims.ID, service.DeleteCommentOpts{
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DeleteType: body.DeleteType,
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DeleteReason: body.DeleteReason,
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}); err != nil {
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switch {
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case errors.Is(err, service.ErrCommentNotFound):
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c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
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case errors.Is(err, service.ErrCommentForbidden),
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errors.Is(err, service.ErrAuthorProtected):
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c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
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case errors.Is(err, service.ErrCommentDeleteMeta),
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errors.Is(err, service.ErrCommentInvalidType):
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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default:
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msg := err.Error()
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if msg == "删除理由不能超过 200 字" {
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c.JSON(http.StatusBadRequest, gin.H{"error": msg})
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return
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}
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c.JSON(http.StatusBadRequest, gin.H{"error": msg})
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}
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return
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}
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c.JSON(http.StatusOK, gin.H{"message": "已删除"})
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}
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// RestoreComment 恢复软删评论（自删作者或版主）
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func (h *Handlers) RestoreComment(c *gin.Context) {
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claims := middleware.CurrentUser(c)
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cid, err := strconv.ParseUint(c.Param("cid"), 10, 64)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的评论 ID"})
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return
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}
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if err := h.Comment.Restore(h.loadActor(claims.ID), uint(cid), claims.ID); err != nil {
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switch {
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case errors.Is(err, service.ErrCommentNotFound):
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c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
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case errors.Is(err, service.ErrCommentForbidden),
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errors.Is(err, service.ErrAuthorProtected):
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c.JSON(http.StatusForbidden, gin.H{"error": "无权限恢复此评论"})
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case errors.Is(err, service.ErrCommentNotDeleted):
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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default:
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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}
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return
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}
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c.JSON(http.StatusOK, gin.H{"message": "已恢复"})
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}
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// PurgeComment 硬删评论及子树（仅站长；不占位）
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func (h *Handlers) PurgeComment(c *gin.Context) {
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claims := middleware.CurrentUser(c)
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cid, err := strconv.ParseUint(c.Param("cid"), 10, 64)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的评论 ID"})
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return
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}
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if err := h.Comment.Purge(h.loadActor(claims.ID), uint(cid), claims.ID); err != nil {
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switch {
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case errors.Is(err, service.ErrCommentNotFound):
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c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
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case errors.Is(err, service.ErrCommentForbidden),
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errors.Is(err, service.ErrPurgeOwnerOnly):
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c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
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default:
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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}
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return
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}
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c.JSON(http.StatusOK, gin.H{"message": "已彻底删除"})
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}
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