shanshanzhong
2db2bc0860
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- 新增 pkg/speedlimit/calculator.go 公共限速计算函数 - UserSubscribeDetail 响应新增 effective_speed/is_throttled/throttle_rule 字段 - GetUserSubscribeById 接口查询时实时计算并返回限速状态 - 重构 getServerUserListLogic 的 calculateEffectiveSpeedLimit，改用共享函数 Co-Authored-By: claude-flow <ruv@ruv.net>
301 lines
8.6 KiB
Go
301 lines
8.6 KiB
Go
package server
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import (
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"encoding/json"
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"fmt"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/perfect-panel/server/internal/model/group"
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"github.com/perfect-panel/server/internal/model/node"
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"github.com/perfect-panel/server/internal/model/subscribe"
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"github.com/perfect-panel/server/internal/model/user"
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"github.com/perfect-panel/server/internal/svc"
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"github.com/perfect-panel/server/internal/types"
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"github.com/perfect-panel/server/pkg/logger"
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"github.com/perfect-panel/server/pkg/speedlimit"
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"github.com/perfect-panel/server/pkg/tool"
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"github.com/perfect-panel/server/pkg/uuidx"
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"github.com/perfect-panel/server/pkg/xerr"
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)
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type GetServerUserListLogic struct {
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logger.Logger
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ctx *gin.Context
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svcCtx *svc.ServiceContext
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}
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// NewGetServerUserListLogic Get user list
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func NewGetServerUserListLogic(ctx *gin.Context, svcCtx *svc.ServiceContext) *GetServerUserListLogic {
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return &GetServerUserListLogic{
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Logger: logger.WithContext(ctx.Request.Context()),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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func (l *GetServerUserListLogic) GetServerUserList(req *types.GetServerUserListRequest) (resp *types.GetServerUserListResponse, err error) {
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cacheKey := fmt.Sprintf("%s%d", node.ServerUserListCacheKey, req.ServerId)
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cache, err := l.svcCtx.Redis.Get(l.ctx, cacheKey).Result()
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if cache != "" {
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etag := tool.GenerateETag([]byte(cache))
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resp = &types.GetServerUserListResponse{}
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// Check If-None-Match header
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if match := l.ctx.GetHeader("If-None-Match"); match == etag {
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return nil, xerr.StatusNotModified
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}
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l.ctx.Header("ETag", etag)
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err = json.Unmarshal([]byte(cache), resp)
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if err != nil {
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l.Errorw("[ServerUserListCacheKey] json unmarshal error", logger.Field("error", err.Error()))
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return nil, err
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}
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return resp, nil
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}
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server, err := l.svcCtx.NodeModel.FindOneServer(l.ctx, req.ServerId)
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if err != nil {
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return nil, err
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}
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// 查询该服务器上该协议的所有节点（包括属于节点组的节点）
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_, nodes, err := l.svcCtx.NodeModel.FilterNodeList(l.ctx, &node.FilterNodeParams{
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Page: 1,
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Size: 1000,
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ServerId: []int64{server.Id},
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Protocol: req.Protocol,
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})
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if err != nil {
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l.Errorw("FilterNodeList error", logger.Field("error", err.Error()))
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return nil, err
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}
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if len(nodes) == 0 {
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return &types.GetServerUserListResponse{
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Users: []types.ServerUser{
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{
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Id: 1,
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UUID: uuidx.NewUUID().String(),
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},
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},
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}, nil
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}
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// 收集所有唯一的节点组 ID
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nodeGroupMap := make(map[int64]bool) // nodeGroupId -> true
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var nodeIds []int64
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var nodeTags []string
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for _, n := range nodes {
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nodeIds = append(nodeIds, n.Id)
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if n.Tags != "" {
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nodeTags = append(nodeTags, strings.Split(n.Tags, ",")...)
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}
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// 收集节点组 ID
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if len(n.NodeGroupIds) > 0 {
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for _, gid := range n.NodeGroupIds {
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if gid > 0 {
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nodeGroupMap[gid] = true
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}
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}
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}
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}
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// 获取所有节点组 ID
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nodeGroupIds := make([]int64, 0, len(nodeGroupMap))
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for gid := range nodeGroupMap {
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nodeGroupIds = append(nodeGroupIds, gid)
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}
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// 查询订阅：
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// 1. 如果有节点组，查询匹配这些节点组的订阅
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// 2. 如果没有节点组，查询使用节点 ID 或 tags 的订阅
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var subs []*subscribe.Subscribe
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if len(nodeGroupIds) > 0 {
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// 节点组模式：查询 node_group_id 或 node_group_ids 匹配的订阅
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_, subs, err = l.svcCtx.SubscribeModel.FilterListByNodeGroups(l.ctx, &subscribe.FilterByNodeGroupsParams{
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Page: 1,
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Size: 9999,
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NodeGroupIds: nodeGroupIds,
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})
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if err != nil {
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l.Errorw("FilterListByNodeGroups error", logger.Field("error", err.Error()))
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return nil, err
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}
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} else {
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// 传统模式：查询匹配节点 ID 或 tags 的订阅
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nodeTags = tool.RemoveDuplicateElements(nodeTags...)
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_, subs, err = l.svcCtx.SubscribeModel.FilterList(l.ctx, &subscribe.FilterParams{
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Page: 1,
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Size: 9999,
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Node: nodeIds,
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Tags: nodeTags,
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})
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if err != nil {
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l.Errorw("FilterList error", logger.Field("error", err.Error()))
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return nil, err
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}
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}
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if len(subs) == 0 {
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return &types.GetServerUserListResponse{
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Users: []types.ServerUser{
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{
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Id: 1,
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UUID: uuidx.NewUUID().String(),
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},
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},
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}, nil
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}
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users := make([]types.ServerUser, 0)
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for _, sub := range subs {
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data, err := l.svcCtx.UserModel.FindUsersSubscribeBySubscribeId(l.ctx, sub.Id)
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if err != nil {
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return nil, err
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}
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for _, datum := range data {
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if !l.shouldIncludeServerUser(datum, nodeGroupIds) {
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continue
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}
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// 计算该用户的实际限速值（考虑按量限速规则）
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effectiveSpeedLimit := l.calculateEffectiveSpeedLimit(sub, datum)
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users = append(users, types.ServerUser{
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Id: datum.Id,
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UUID: datum.UUID,
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SpeedLimit: effectiveSpeedLimit,
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DeviceLimit: sub.DeviceLimit,
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})
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}
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}
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// 处理过期订阅用户：如果当前节点属于过期节点组，添加符合条件的过期用户
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if len(nodeGroupIds) > 0 {
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expiredUsers, expiredSpeedLimit := l.getExpiredUsers(nodeGroupIds)
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for i := range expiredUsers {
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if expiredSpeedLimit > 0 {
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expiredUsers[i].SpeedLimit = expiredSpeedLimit
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}
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}
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users = append(users, expiredUsers...)
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}
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if len(users) == 0 {
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users = append(users, types.ServerUser{
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Id: 1,
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UUID: uuidx.NewUUID().String(),
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})
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}
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resp = &types.GetServerUserListResponse{
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Users: users,
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}
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val, _ := json.Marshal(resp)
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etag := tool.GenerateETag(val)
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l.ctx.Header("ETag", etag)
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err = l.svcCtx.Redis.Set(l.ctx, cacheKey, string(val), -1).Err()
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if err != nil {
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l.Errorw("[ServerUserListCacheKey] redis set error", logger.Field("error", err.Error()))
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}
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// Check If-None-Match header
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if match := l.ctx.GetHeader("If-None-Match"); match == etag {
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return nil, xerr.StatusNotModified
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}
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return resp, nil
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}
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func (l *GetServerUserListLogic) shouldIncludeServerUser(userSub *user.Subscribe, serverNodeGroupIds []int64) bool {
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if userSub == nil {
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return false
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}
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if userSub.ExpireTime.Unix() == 0 || userSub.ExpireTime.After(time.Now()) {
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return true
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}
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return l.canUseExpiredNodeGroup(userSub, serverNodeGroupIds)
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}
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func (l *GetServerUserListLogic) getExpiredUsers(serverNodeGroupIds []int64) ([]types.ServerUser, int64) {
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var expiredGroup group.NodeGroup
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if err := l.svcCtx.DB.Where("is_expired_group = ?", true).First(&expiredGroup).Error; err != nil {
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return nil, 0
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}
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if !tool.Contains(serverNodeGroupIds, expiredGroup.Id) {
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return nil, 0
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}
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var expiredSubs []*user.Subscribe
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if err := l.svcCtx.DB.Where("status = ?", 3).Find(&expiredSubs).Error; err != nil {
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l.Errorw("query expired subscriptions failed", logger.Field("error", err.Error()))
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return nil, 0
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}
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users := make([]types.ServerUser, 0)
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seen := make(map[int64]bool)
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for _, userSub := range expiredSubs {
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if !l.checkExpiredUserEligibility(userSub, &expiredGroup) {
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continue
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}
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if seen[userSub.Id] {
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continue
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}
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seen[userSub.Id] = true
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users = append(users, types.ServerUser{
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Id: userSub.Id,
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UUID: userSub.UUID,
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})
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}
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return users, int64(expiredGroup.SpeedLimit)
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}
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func (l *GetServerUserListLogic) checkExpiredUserEligibility(userSub *user.Subscribe, expiredGroup *group.NodeGroup) bool {
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expiredDays := int(time.Since(userSub.ExpireTime).Hours() / 24)
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if expiredDays > expiredGroup.ExpiredDaysLimit {
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return false
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}
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if expiredGroup.MaxTrafficGBExpired != nil && *expiredGroup.MaxTrafficGBExpired > 0 {
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usedTrafficGB := (userSub.ExpiredDownload + userSub.ExpiredUpload) / (1024 * 1024 * 1024)
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if usedTrafficGB >= *expiredGroup.MaxTrafficGBExpired {
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return false
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}
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}
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return true
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}
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func (l *GetServerUserListLogic) canUseExpiredNodeGroup(userSub *user.Subscribe, serverNodeGroupIds []int64) bool {
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var expiredGroup group.NodeGroup
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if err := l.svcCtx.DB.Where("is_expired_group = ?", true).First(&expiredGroup).Error; err != nil {
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return false
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}
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if !tool.Contains(serverNodeGroupIds, expiredGroup.Id) {
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return false
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}
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expiredDays := int(time.Since(userSub.ExpireTime).Hours() / 24)
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if expiredDays > expiredGroup.ExpiredDaysLimit {
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return false
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}
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if expiredGroup.MaxTrafficGBExpired != nil && *expiredGroup.MaxTrafficGBExpired > 0 {
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usedTrafficGB := (userSub.ExpiredDownload + userSub.ExpiredUpload) / (1024 * 1024 * 1024)
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if usedTrafficGB >= *expiredGroup.MaxTrafficGBExpired {
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return false
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}
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}
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return true
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}
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// calculateEffectiveSpeedLimit 计算用户的实际限速值（考虑按量限速规则）
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func (l *GetServerUserListLogic) calculateEffectiveSpeedLimit(sub *subscribe.Subscribe, userSub *user.Subscribe) int64 {
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result := speedlimit.Calculate(l.ctx.Request.Context(), l.svcCtx.DB, userSub.UserId, userSub.Id, sub.SpeedLimit, sub.TrafficLimit)
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return result.EffectiveSpeed
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}
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