feat(invitation): 新增返利统计汇总与时间筛选

backend/internal/modules/invitation/handler.go

@@ -170,6 +170,21 @@ func (h *Handler) AdminRebates(c *gin.Context) {
 	})
 }
 
+// AdminRebateSummary 管理员查看返利统计汇总
+func (h *Handler) AdminRebateSummary(c *gin.Context) {
+	var query AdminRebateLedgerQuery
+	if err := c.ShouldBindQuery(&query); err != nil {
+		response.BadRequest(c, "查询参数不正确")
+		return
+	}
+	summary, err := h.service.AdminRebateSummary(c.Request.Context(), query)
+	if err != nil {
+		writeInvitationError(c, err)
+		return
+	}
+	response.OK(c, summary)
+}
+
 func currentUserID(c *gin.Context) (uint64, bool) {
 	value, ok := c.Get(middleware.ContextUserID)
 	if !ok {