Victor_Jay
2b47380ac5
- 新增 PostLike/PostDislike 模型，复合主键 (user_id, post_id) - Post 表新增 LikesCount/DislikesCount 冗余计数器 - Repository 层：reaction_repo.go，含 WithTx 事务支持 - Service 层：reaction_service.go，赞踩互斥逻辑（6 态切换），事务包裹 - Controller 层：reaction_controller.go，3 个 API（ToggleLike/ToggleDislike/GetReaction） - 接口定义：controller/interfaces.go 新增 reactionUseCase，service/repository.go 新增 ReactionStore - 路由注册 + 依赖注入 + AutoMigrate - 前端：文章详情页赞踩按钮 + 状态查询 + 401 跳转登录 - 样式：posts.css 新增赞踩按钮样式
109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
package controller
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import (
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"net/http"
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"strconv"
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"metazone.cc/metalab/internal/common"
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"metazone.cc/metalab/internal/service"
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"github.com/gin-gonic/gin"
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)
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// ReactionController 赞/踩 API 控制器
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type ReactionController struct {
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reactionSvc reactionUseCase
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}
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// NewReactionController 构造函数
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func NewReactionController(reactionSvc reactionUseCase) *ReactionController {
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return &ReactionController{reactionSvc: reactionSvc}
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}
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// ToggleLike 切换点赞 POST /api/posts/:id/like
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func (rc *ReactionController) ToggleLike(c *gin.Context) {
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uid, _, ok := common.GetGinUser(c)
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if !ok {
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common.Error(c, http.StatusUnauthorized, "请先登录")
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return
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}
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postID, err := strconv.ParseUint(c.Param("id"), 10, 64)
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if err != nil {
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common.Error(c, http.StatusBadRequest, "无效的文章ID")
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return
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}
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isLiked, err := rc.reactionSvc.ToggleLike(uid, uint(postID))
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if err != nil {
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common.Error(c, http.StatusInternalServerError, "操作失败")
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return
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}
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// 获取最新点赞数
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likesCount, _ := rc.reactionSvc.GetPostLikesCount(uint(postID))
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common.Ok(c, gin.H{
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"liked": isLiked,
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"likes_count": likesCount,
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})
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}
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// ToggleDislike 切换踩 POST /api/posts/:id/dislike
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func (rc *ReactionController) ToggleDislike(c *gin.Context) {
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uid, _, ok := common.GetGinUser(c)
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if !ok {
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common.Error(c, http.StatusUnauthorized, "请先登录")
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return
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}
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postID, err := strconv.ParseUint(c.Param("id"), 10, 64)
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if err != nil {
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common.Error(c, http.StatusBadRequest, "无效的文章ID")
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return
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}
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isDisliked, err := rc.reactionSvc.ToggleDislike(uid, uint(postID))
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if err != nil {
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common.Error(c, http.StatusInternalServerError, "操作失败")
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return
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}
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common.Ok(c, gin.H{
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"disliked": isDisliked,
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})
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}
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// GetReaction 查询当前用户对文章的反应状态 GET /api/posts/:id/reaction
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func (rc *ReactionController) GetReaction(c *gin.Context) {
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postID, err := strconv.ParseUint(c.Param("id"), 10, 64)
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if err != nil {
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common.Error(c, http.StatusBadRequest, "无效的文章ID")
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return
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}
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// 未登录用户返回 none + 公开计数
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uid, _, ok := common.GetGinUser(c)
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if !ok {
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likesCount, _ := rc.reactionSvc.GetPostLikesCount(uint(postID))
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common.Ok(c, gin.H{
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"reaction": string(service.ReactionNone),
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"likes_count": likesCount,
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})
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return
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}
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reaction, err := rc.reactionSvc.GetReaction(uid, uint(postID))
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if err != nil {
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common.Error(c, http.StatusInternalServerError, "查询失败")
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return
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}
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likesCount, _ := rc.reactionSvc.GetPostLikesCount(uint(postID))
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common.Ok(c, gin.H{
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"reaction": string(reaction),
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"likes_count": likesCount,
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})
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}
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