mirror of https://github.com/casbin/casnode.git
250 lines
5.1 KiB
Go
250 lines
5.1 KiB
Go
// Copyright 2020 The casbin Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package object
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"regexp"
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"strings"
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"github.com/casbin/casnode/util"
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)
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type BasicInfo struct {
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Id string `xorm:"varchar(100) notnull pk"`
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Value string `xorm:"mediumtext"`
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}
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var (
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fileDate, version string
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onlineMemberNum, highestOnlineNum int
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)
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func InitForumBasicInfo() {
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GetForumVersion()
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GetHighestOnlineNum()
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UpdateOnlineMemberNum()
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if AutoSyncPeriodSecond >= 30 {
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fmt.Println("Auto sync from google group enabled.")
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go AutoSyncGoogleGroup()
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fmt.Println("Auto sync from gitter room enabled.")
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go AutoSyncGitter()
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} else {
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fmt.Println("Auto sync from google group disabled.")
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fmt.Println("Auto sync from gitter room disabled.")
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}
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}
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func GetForumVersion() string {
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pwd, _ := os.Getwd()
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fileInfos, err := ioutil.ReadDir(pwd + "/.git/refs/heads")
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for _, v := range fileInfos {
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if v.Name() == "master" {
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if v.ModTime().String() == fileDate {
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return version
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} else {
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fileDate = v.ModTime().String()
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break
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}
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}
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}
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content, err := ioutil.ReadFile(pwd + "/.git/refs/heads/master")
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if err != nil {
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return ""
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}
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// Convert to full length
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temp := string(content)
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version = strings.ReplaceAll(temp, "\n", "")
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return version
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}
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func GetHighestOnlineNum() int {
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if highestOnlineNum != 0 {
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return highestOnlineNum
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}
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info := BasicInfo{Id: "HighestOnlineNum"}
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existed, err := adapter.Engine.Get(&info)
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if err != nil {
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panic(err)
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}
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if existed {
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highestOnlineNum = util.ParseInt(info.Value)
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return highestOnlineNum
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} else {
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info := BasicInfo{
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Id: "HighestOnlineNum",
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Value: "0",
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}
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_, err := adapter.Engine.Insert(&info)
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if err != nil {
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panic(err)
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}
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return 0
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}
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}
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func UpdateHighestOnlineNum(num int) bool {
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highestOnlineNum = num
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info := new(BasicInfo)
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info.Value = util.IntToString(num)
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affected, err := adapter.Engine.Where("id = ?", "HighestOnlineNum").Cols("value").Update(info)
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if err != nil {
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panic(err)
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}
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return affected != 0
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}
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func GetCronJobs() []*CronJob {
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info := BasicInfo{Id: "CronJobs"}
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existed, err := adapter.Engine.Get(&info)
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if err != nil {
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panic(err)
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}
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if existed {
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var jobs []*CronJob
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err := json.Unmarshal([]byte(info.Value), &jobs)
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if err != nil {
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panic(err)
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}
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return jobs
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} else {
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jobs, err := json.Marshal(DefaultCronJobs)
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if err != nil {
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panic(err)
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}
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info := BasicInfo{
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Id: "CronJobs",
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Value: string(jobs),
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}
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_, err = adapter.Engine.Insert(&info)
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if err != nil {
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panic(err)
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}
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return DefaultCronJobs
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}
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}
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func GetCronUpdateJobs() []*UpdateJob {
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info := BasicInfo{Id: "CronUpdateJobs"}
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existed, err := adapter.Engine.Get(&info)
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if err != nil {
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panic(err)
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}
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if existed {
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var posts []*UpdateJob
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err := json.Unmarshal([]byte(info.Value), &posts)
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if err != nil {
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panic(err)
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}
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return posts
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} else {
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posts, err := json.Marshal(DefaultCronUpdates)
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if err != nil {
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panic(err)
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}
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info := BasicInfo{
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Id: "CronUpdateJobs",
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Value: string(posts),
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}
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_, err = adapter.Engine.Insert(&info)
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if err != nil {
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panic(err)
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}
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return DefaultCronUpdates
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}
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}
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func GetLatestSyncedRecordId() int {
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info := BasicInfo{Id: "LatestSyncedRecordId"}
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existed, err := adapter.Engine.Get(&info)
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if err != nil {
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panic(err)
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}
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if existed {
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return util.ParseInt(info.Value)
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} else {
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info := BasicInfo{
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Id: "LatestSyncedRecordId",
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Value: "0",
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}
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_, err := adapter.Engine.Insert(&info)
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if err != nil {
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panic(err)
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}
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return 0
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}
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}
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func UpdateLatestSyncedRecordId(id int) bool {
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info := new(BasicInfo)
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info.Value = util.IntToString(id)
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affected, err := adapter.Engine.Where("id = ?", "LatestSyncedRecordId").Cols("value").Update(info)
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if err != nil {
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panic(err)
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}
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return affected != 0
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}
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// GetOnlineMemberNum returns online member num.
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func GetOnlineMemberNum() int {
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if onlineMemberNum == 0 {
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UpdateOnlineMemberNum()
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return onlineMemberNum
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}
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if onlineMemberNum > highestOnlineNum {
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UpdateHighestOnlineNum(onlineMemberNum)
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}
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return onlineMemberNum
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}
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// UpdateOnlineMemberNum updates online member num and updates highest online member num at the same time.
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func UpdateOnlineMemberNum() {
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onlineMemberNum = GetOnlineUserCount()
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if onlineMemberNum > highestOnlineNum {
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UpdateHighestOnlineNum(onlineMemberNum)
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}
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}
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var recognizeHtmlTags *regexp.Regexp
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func RemoveHtmlTags(text string) string {
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if recognizeHtmlTags == nil {
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recognizeHtmlTags = regexp.MustCompile("<[^>]+>")
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}
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return recognizeHtmlTags.ReplaceAllString(text, "")
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}
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