72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package handler
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import (
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"net/http"
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"strconv"
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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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// 榜单参数白名单
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var (
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lbPeriods = map[string]bool{service.PeriodWeek: true, service.PeriodMonth: true, service.PeriodAll: true}
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lbMetrics = map[string]bool{service.MetricAll: true, service.MetricPost: true,
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service.MetricComment: true, service.MetricLike: true, service.MetricAnswer: true}
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)
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// lbParams 解析并校验 period/metric，非法值回退默认并标记 400
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func lbParams(c *gin.Context) (period, metric string, bad bool) {
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period = c.DefaultQuery("period", service.PeriodAll)
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metric = c.DefaultQuery("metric", service.MetricAll)
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if !lbPeriods[period] || !lbMetrics[metric] {
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return "", "", true
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}
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return period, metric, false
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}
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// Leaderboard 用户贡献榜：period=week|month|all × metric=all|post|comment|like|answer（公开接口）
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func (h *Handlers) Leaderboard(c *gin.Context) {
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period, metric, bad := lbParams(c)
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if bad {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的榜单参数"})
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return
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}
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limit := 50
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if v := c.Query("limit"); v != "" {
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if n, err := strconv.Atoi(v); err == nil && n > 0 {
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limit = n
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}
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}
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if limit > 100 {
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limit = 100
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}
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res, err := h.LeaderboardSvc.Board(period, metric, limit)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "获取排行榜失败"})
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return
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}
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c.JSON(http.StatusOK, res)
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}
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// LeaderboardMe 当前用户在指定榜单的排名（可选登录；游客返回 me:null）
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func (h *Handlers) LeaderboardMe(c *gin.Context) {
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period, metric, bad := lbParams(c)
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if bad {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的榜单参数"})
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return
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}
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if v, ok := c.Get("user"); ok {
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if claims, ok := v.(*service.UserClaims); ok && claims.ID > 0 {
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res, err := h.LeaderboardSvc.MyRank(period, metric, claims.ID)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "获取排名失败"})
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return
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}
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c.JSON(http.StatusOK, gin.H{"me": res})
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return
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}
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}
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c.JSON(http.StatusOK, gin.H{"me": nil})
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}
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