reorganization and a little bit of code robustness, and implemented TweetRandom functionallity

optionUnfollowAll.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/dghubble/go-twitter/twitter"
+)
+
+func printUserFollowsData(user *twitter.User) {
+	fmt.Print("followers: ")
+	c.Cyan(strconv.Itoa(user.FollowersCount))
+	fmt.Print("following: ")
+	c.Cyan(strconv.Itoa(user.FriendsCount))
+}
+func unfollowUser(client *twitter.Client, screenName string) {
+	user, httpResp, _ := client.Friendships.Destroy(&twitter.FriendshipDestroyParams{
+		ScreenName: screenName,
+	})
+	if httpResp.Status != "200 OK" {
+		c.Red(httpResp.Status)
+	}
+	c.Green(user.ScreenName)
+}
+func getFollowingUsers(client *twitter.Client, user *twitter.User) {
+	following, httpResp, err := client.Friends.List(&twitter.FriendListParams{
+		ScreenName: user.ScreenName,
+		Count:      200,
+	})
+	if err != nil {
+		fmt.Println(err)
+	}
+	if httpResp.Status != "200 OK" {
+		c.Red(httpResp.Status)
+	}
+	//fmt.Println(following)
+	for _, k := range following.Users {
+		unfollowUser(client, k.ScreenName)
+		//wait to avoid the twitter api limitation
+		fmt.Println("waiting 1 min to avoid twitter api limitation")
+		fmt.Println(time.Now().Local())
+		time.Sleep(1 * time.Minute)
+	}
+}
+func optionUnfollowAll(client *twitter.Client) {
+	fmt.Println("Getting user data...")
+	user := getUserData(client)
+	printUserFollowsData(user)
+	fmt.Println("")
+	c.Red("Are you sure you want to unfollow all? [y/n]")
+	newcommand := bufio.NewReader(os.Stdin)
+	answer, _ := newcommand.ReadString('\n')
+	answer = strings.TrimSpace(answer)
+	switch answer {
+	case "y":
+		fmt.Println("ok, you are sure")
+		getFollowingUsers(client, user)
+		break
+	default:
+		fmt.Println("Operation cancelled")
+		break
+	}
+}