intimate/extractor/openrec_extractor/openrec_extractor.go

package main

import (
	"database/sql"
	"encoding/json"
	"intimate"
	"log"
	"os"
	"os/signal"
	"regexp"
	"strconv"
	"strings"
	"sync/atomic"
	"syscall"
	"time"

	"github.com/tidwall/gjson"
)

var estore = intimate.NewStoreExtractor()
var sstore = intimate.NewStoreSource(string(intimate.STOpenrec))

// OpenrecExtractor 提取方法
type OpenrecExtractor struct {
	user       *intimate.ExtractorSource
	userLive   *intimate.ExtractorSource
	supporters *intimate.ExtractorSource
}

func (oe *OpenrecExtractor) Execute() {

	var loop int32 = 1

	go func() {
		signalchan := make(chan os.Signal)
		signal.Notify(signalchan, syscall.SIGKILL, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGSTOP)
		log.Println("accept stop command:", <-signalchan)
		atomic.StoreInt32(&loop, 0)
	}()

	var lasterr error = nil
	for atomic.LoadInt32(&loop) > 0 {
		var err error

		source, err := sstore.Pop(intimate.TOpenrecUser, 0)
		if err != nil {
			if err != lasterr {
				log.Println(err, lasterr)
				lasterr = err
			}
			time.Sleep(time.Second * 5)
			continue
		}

		sdata := source.Ext.([]byte)
		datamap := gjson.ParseBytes(sdata).Map()

		source.Operator = int32(intimate.OperatorError)
		userId := datamap["var_user_id"].String()

		streamer := &intimate.Streamer{}
		streamer.UserId = userId
		streamer.Platform = intimate.Popenrec

		htmlUser := datamap["html_user"]
		oe.user = intimate.NewExtractorSource(&htmlUser)
		oe.user.CreateExtractor()

		htmlLive := datamap["html_live"]
		oe.userLive = intimate.NewExtractorSource(&htmlLive)
		oe.userLive.CreateExtractor()

		jsonSupporters := datamap["json_supporters"]
		oe.supporters = intimate.NewExtractorSource(&jsonSupporters)
		clog := &intimate.CollectLog{}

		// log.Println(anchorId)

		oe.extractFollowers(clog)
		oe.extractUserName(streamer)
		oe.extractViewsAndLiveStreaming(clog)
		oe.extractGiversAndGratuity(clog)
		oe.extractLive(clog)
		oe.extractTags(clog)

		streamer.Uid = source.StreamerId.Int64
		streamer.UpdateTime = source.UpdateTime
		streamer.Tags = clog.Tags

		clog.Platform = string(intimate.Popenrec)
		clog.UserId = userId
		clog.UpdateTime = source.UpdateTime

		logUid := estore.InsertClog(clog)

		LiveUrl := "https://www.openrec.tv/live/" + userId
		streamer.LiveUrl = sql.NullString{String: LiveUrl, Valid: true}
		streamer.LatestLogUid = logUid
		streamer.Operator = 0
		estore.UpdateStreamer(streamer)

		source.Operator = int32(intimate.OperatorExtractorOK)
		sstore.UpdateOperator(source)
	}

}

func (oe *OpenrecExtractor) extractFollowers(clog intimate.ISet) {
	extractor := oe.user.GetExtractor()
	xp, err := extractor.XPathResult("//p[@class='c-global__user__count__row__right js-userCountFollowers']/text()")
	if err != nil {
		log.Println(err)
	}
	if !xp.NodeIter().Next() {
		log.Println("不存在粉丝数")
	}

	followers := strings.ReplaceAll(xp.String(), ",", "")
	followersInt, err := strconv.ParseInt(followers, 10, 64)
	if err != nil {
		log.Println(err)
	}

	clog.Set("Followers", sql.NullInt64{Int64: followersInt, Valid: true})
}

func (oe *OpenrecExtractor) extractUserName(streamer intimate.ISet) {
	extractor := oe.user.GetExtractor()
	xp, err := extractor.XPathResult("//p[ contains(@class, 'c-global__user__profile__list__name__text')]/text()")
	if err != nil {
		log.Println(err)
	} else {
		if xp.NodeIter().Next() {
			userName := xp.String()
			streamer.Set("UserName", sql.NullString{String: userName, Valid: true})
		}
	}
}

func (oe *OpenrecExtractor) extractViewsAndLiveStreaming(clog intimate.ISet) {
	extractor := oe.user.GetExtractor()
	// c-contents
	xp, err := extractor.XPathResult("//ul[@class='c-contents']//p[@class='c-thumbnailVideo__footer__liveCount']/text()")
	if err != nil {
		log.Println(err)
	}

	if xp.NodeIter().Next() {
		views := regexp.MustCompile(`[0-9,]+`).FindString(xp.String())
		views = strings.ReplaceAll(views, ",", "")
		viewsint, err := strconv.Atoi(views)
		if err != nil {
			log.Println(err)
		}

		clog.Set("Views", sql.NullInt64{Int64: int64(viewsint), Valid: true})
		clog.Set("IsLiveStreaming", true)
	}
}

func (oe *OpenrecExtractor) extractGiversAndGratuity(clog intimate.ISet) {
	// extractor := oe.user.GetExtractor()
	giverjson := oe.supporters.GetSource()
	var givers []interface{}
	var gratuity int64 = 0

	for _, v := range giverjson.Array() {
		giverSource := gjson.Parse(v.String())
		for _, item := range giverSource.Get("data.items").Array() {
			givers = append(givers, item.Map())
			gratuity += item.Get("total_yells").Int()
		}
	}

	giversbytes, err := json.Marshal(givers)
	if err != nil {
		log.Println(err)
		clog.Set("ErrorMsg", sql.NullString{String: err.Error(), Valid: true})
	} else {
		clog.Set("Giver", giversbytes)
	}

	clog.Set("Gratuity", sql.NullInt64{Int64: gratuity, Valid: true})
}

func (oe *OpenrecExtractor) extractLive(clog intimate.ISet) {
	extractor := oe.userLive.GetExtractor()
	mathes := regexp.MustCompile("MovieTitle__Title[^>]+>(.{1,50})</h1>").FindStringSubmatch(oe.userLive.GetSource().Str)
	if len(mathes) == 2 {

		clog.Set("LiveTitle", sql.NullString{String: mathes[1], Valid: true})

		content, err := extractor.XPathResult("//meta[@itemprop='uploadDate']/@content")
		if err != nil {
			log.Println(err)
		}

		iter := content.NodeIter()
		if iter.Next() {
			tm, err := time.ParseInLocation("2006-01-02T15:04:05Z07:00", iter.Node().NodeValue(), time.Local)
			if err != nil {
				log.Println(err)
			}
			// log.Println(iter.Node().NodeValue(), tm.Local())
			clog.Set("LiveStartTime", sql.NullTime{Time: tm.Local(), Valid: true})

			duration, err := extractor.XPathResult("//meta[@itemprop='duration']/@content")
			if err != nil {
				log.Println(err)
			}

			diter := duration.NodeIter()
			if diter.Next() {

				dt, err := intimate.ParseDuration(diter.Node().NodeValue())
				if err != nil {
					log.Println(err)
				}
				endtm := tm.Add(dt)
				clog.Set("LiveEndTime", sql.NullTime{Time: endtm.Local(), Valid: true})
			}
		}
	}
}

func (oe *OpenrecExtractor) extractTags(clog intimate.ISet) {
	var tags []string
	matheslist := regexp.MustCompile(`<[^>]+TagButton[^>]+>([^<]{1,100})<`).FindAllStringSubmatch(oe.userLive.GetSource().Str, -1)
	for _, m := range matheslist {
		tags = append(tags, m[1])
	}
	tagsBytes, err := json.Marshal(tags)
	if err != nil {
		log.Println(err)
	}

	clog.Set("Tags", tagsBytes)
}