bot404.go

package main

import (
	"fmt"
	"net/http"
	"time"

	"github.com/dghubble/go-twitter/twitter"
	"github.com/dghubble/oauth1"
)

const (
	API_KEY       = "*************************"
	API_SECRET    = "*************************"
	ACCESS_TOKEN  = "*************************"
	ACCESS_SECRET = "*************************"
	USERNAME      = "doorbash"
	TIMEZONE      = "Asia/Tehran"
)

var lastGetTime time.Time
var lastTweetTime time.Time
var followersCount int
var client *twitter.Client

func main() {
	config := oauth1.NewConfig(API_KEY, API_SECRET)
	token := oauth1.NewToken(ACCESS_TOKEN, ACCESS_SECRET)
	httpClient := config.Client(oauth1.NoContext, token)

	client = twitter.NewClient(httpClient)

	go func() {
		for now := range time.Tick(30 * time.Second) {
			loc, _ := time.LoadLocation(TIMEZONE)
			sfTime := now.In(loc)
			if lastTweetTime.IsZero() || time.Now().Sub(lastTweetTime) > 10*time.Minute {
				if sfTime.Hour() == 4 && sfTime.Minute() == 4 {
					lastTweetTime = time.Now()
					_, _, err := client.Statuses.Update("404", nil)
					if err != nil {
						fmt.Println(err)
					}
				}
			}
		}
	}()

	http.HandleFunc("/metrics", metrics)
	http.ListenAndServe(":8888", nil)
}

func metrics(w http.ResponseWriter, req *http.Request) {
	if lastGetTime.IsZero() || time.Now().Sub(lastGetTime) > 10*60*time.Second {
		user, _, err := client.Users.Show(&twitter.UserShowParams{
			ScreenName: USERNAME,
		})
		if err != nil {
			fmt.Println(err)
			fmt.Fprintf(w, "Error %v", err)
			return
		}
		followersCount = user.FollowersCount
		lastGetTime = time.Now()
	}
	fmt.Fprintf(w, "followersCount{} %d", followersCount)
}