1package main
 2
 3import (
 4	"bufio"
 5	"fmt"
 6	"os"
 7	"strconv"
 8	"strings"
 9	"time"
10
11	"github.com/dghubble/go-twitter/twitter"
12)
13
14func waitTime(minutes int) {
15	//wait to avoid the twitter api limitation
16	timeToSleep := time.Duration(minutes) * time.Minute
17	fmt.Println("waiting " + strconv.Itoa(minutes) + " min to avoid twitter api limitation")
18	fmt.Println(time.Now().Local())
19	time.Sleep(timeToSleep)
20}
21func getUserToFollowFromUser(client *twitter.Client, fromUser string) string {
22	friends, httpResp, err := client.Friends.List(&twitter.FriendListParams{
23		ScreenName: fromUser,
24		Count:      1,
25	})
26	if err != nil {
27		fmt.Println(err)
28	}
29	if httpResp.Status != "200 OK" {
30		c.Red(httpResp.Status)
31		c.Purple("maybe twitter has blocked the account, CTRL+C, wait 15 minutes and try again")
32	}
33	return friends.Users[0].ScreenName
34}
35
36func followUser(client *twitter.Client, screenName string) {
37	user, _, _ := client.Friendships.Create(&twitter.FriendshipCreateParams{
38		ScreenName: screenName,
39	})
40	fmt.Print("followed: ")
41	c.Green("@" + user.ScreenName + " - " + user.Description)
42}
43
44func followRandom(client *twitter.Client, nFollow int, screenName string) {
45	fmt.Println("Starting to follow " + strconv.Itoa(nFollow) + " users")
46	for i := 0; i < nFollow; i++ {
47		userToFollow := getUserToFollowFromUser(client, screenName)
48		followUser(client, userToFollow)
49		screenName = userToFollow
50		waitTime(1)
51	}
52
53}
54
55func optionFollowRandom(client *twitter.Client) {
56	c.Red("how many accounts to follow?")
57	newcommand := bufio.NewReader(os.Stdin)
58	answer, _ := newcommand.ReadString('\n')
59	answer = strings.TrimSpace(answer)
60	fmt.Print("Number of users to follow: ")
61	c.Purple(answer)
62	nFollow, err := strconv.Atoi(answer)
63	if err != nil {
64		fmt.Println("incorrect entry, need a positive number")
65	}
66
67	fmt.Print("entry @username of a user, to get a 1st user to follow, that will be a user that the 1st user is following, and the 2nd user will be a user that the 3rd user is following): @")
68	newcommand = bufio.NewReader(os.Stdin)
69	firstScreenName, _ := newcommand.ReadString('\n')
70	firstScreenName = strings.TrimSpace(firstScreenName)
71	fmt.Print("first user to follow: @")
72	c.Purple(firstScreenName)
73
74	c.Red("Are you sure? [y/n]")
75	newcommand = bufio.NewReader(os.Stdin)
76	answer, _ = newcommand.ReadString('\n')
77	answer = strings.TrimSpace(answer)
78	switch answer {
79	case "y":
80		fmt.Println("ok, you are sure")
81		followRandom(client, nFollow, firstScreenName)
82		break
83	default:
84		fmt.Println("Operation cancelled")
85		break
86	}
87}