95 lines
2.5 KiB
Go
95 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"sync"
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)
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type FollowerGetter interface {
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GetFollowerByCursor(screenName, cursor string) <-chan *FollowerList
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GetFollowerIdsByCursor(screenName, cursor string) <-chan *FollowerIDList
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GetScreenNameOfUsersByIds(ids []uint64) <-chan string
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}
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func GetFollowerScreenNames(followerGetter FollowerGetter, screenName string) <-chan string {
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followerC := make(chan string)
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go func() {
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nextCursor := "-1"
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for nextCursor != "0" && nextCursor != "" {
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followers := <-followerGetter.GetFollowerByCursor(screenName, nextCursor)
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nextCursor = followers.NextCursor
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for _, follower := range followers.GetFollowerScreenNames() {
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followerC <- follower
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}
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}
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close(followerC)
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}()
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return followerC
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}
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func GetFollowerIds(followerGetter FollowerGetter, screenName string) <-chan uint64 {
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followerC := make(chan uint64)
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go func() {
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nextCursor := "-1"
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for nextCursor != "0" && nextCursor != "" {
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followers := <-followerGetter.GetFollowerIdsByCursor(screenName, nextCursor)
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nextCursor = followers.NextCursor
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for _, follower := range followers.Followers {
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followerC <- follower
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}
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}
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close(followerC)
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}()
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return followerC
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}
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func GetScreenNameByIds(followerGetter FollowerGetter, idsC <-chan uint64) <-chan string {
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screenNameC := make(chan string)
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var wg sync.WaitGroup
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produceScreenName := func(buffer []uint64) {
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for screenName := range followerGetter.GetScreenNameOfUsersByIds(buffer) {
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screenNameC <- screenName
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}
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wg.Done()
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}
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go func() {
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buffer := make([]uint64, 0, 100)
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for id := range idsC {
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buffer = append(buffer, id)
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if len(buffer) >= 95 {
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wg.Add(1)
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go produceScreenName(buffer)
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buffer = make([]uint64, 0, 100)
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}
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}
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wg.Add(1)
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go produceScreenName(buffer)
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go func() {
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wg.Wait()
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close(screenNameC)
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}()
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}()
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return screenNameC
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}
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func GetFollowerIdsOfBothAccounts(followerGetter FollowerGetter, screenName1, screenName2 string) <-chan uint64 {
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return Intersection(GetFollowerIds(followerGetter, screenName1), GetFollowerIds(followerGetter, screenName1))
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}
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func main() {
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if len(os.Args) != 3 {
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log.Println("you need to specify the name of exactly two twitter account names at parameter")
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return
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}
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token := "AAAAAAAAAAAAAAAAAAAAAPwfcQAAAAAAzkou%2FHjJNJmwdepeRq0c%2Bi3Nx6o%3DXofLt7SVvc99ulETLRA3yS2lYo8smfc6tACxEYsLUmGsrNbc9J"
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t := NewTwitterApi(TWITTER_API_URL, token)
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followers := Intersection(GetFollowerIds(t, os.Args[1]), GetFollowerIds(t, os.Args[2]))
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for screenName := range GetScreenNameByIds(t, followers) {
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fmt.Println(screenName)
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}
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}
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