97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
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package service
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import (
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"context"
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"go-common/app/interface/live/push-live/dao"
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"go-common/app/interface/live/push-live/model"
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"go-common/library/log"
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"strings"
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"sync"
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"time"
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)
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// MidFilter 收敛所有mid过滤逻辑入口
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func (s *Service) midFilter(ml map[int64]bool, business int, task *model.ApPushTask) (midMap []int64) {
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var (
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mutex sync.Mutex
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i int
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midsList [][]int64
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wg sync.WaitGroup
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needDecrease = needDecrease(business)
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filterConf = &dao.FilterConfig{
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Business: business,
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IntervalExpired: s.safeGetExpired(),
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IntervalValue: intervalValueByLinkValue(task.LinkValue),
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DailyExpired: dailyExpired(time.Now()),
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Task: task}
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)
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midMap = make([]int64, 0, len(ml))
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// split mids by limit
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mids := make([]int64, 0, s.c.Push.IntervalLimit)
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for mid := range ml {
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mids = append(mids, mid)
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i++
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if i == s.c.Push.IntervalLimit {
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i = 0
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midsList = append(midsList, mids)
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mids = make([]int64, 0, s.c.Push.IntervalLimit)
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}
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}
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if len(mids) > 0 {
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midsList = append(midsList, mids)
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}
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// filter goroutines
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for i := 0; i < len(midsList); i++ {
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wg.Add(1)
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go func(index int, mids []int64) {
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var (
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filteredMids []int64
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f *dao.Filter
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err error
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ctx = context.TODO()
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)
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defer func() {
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log.Info("[service.mids|midFilter] BatchFilter before(%d), after(%d), task(%v), business(%d), err(%v)",
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len(mids), len(filteredMids), task, business, err)
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wg.Done()
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}()
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// new filter
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f, err = s.dao.NewFilter(filterConf)
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if err != nil {
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return
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}
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filteredMids = f.BatchFilter(ctx, s.dao.NewFilterChain(f), mids)
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if len(filteredMids) == 0 {
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f.Done()
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return
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}
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// after filter, do something
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if needDecrease {
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go f.BatchDecreaseLimit(ctx, filteredMids)
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}
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mutex.Lock()
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midMap = append(midMap, filteredMids...)
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mutex.Unlock()
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}(i, midsList[i])
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}
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wg.Wait()
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log.Info("[service.mids|midFilter] filtered task(%v), before(%d), after(%d), type(%d)",
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task, len(ml), len(midMap), business)
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return
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}
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// intervalValueByLinkValue get roomid by link value
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func intervalValueByLinkValue(linkValue string) string {
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s := strings.Split(linkValue, ",")
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return s[0]
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}
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// needDecrease
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func needDecrease(business int) bool {
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return business != model.ActivityBusiness
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}
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