day02-07-example2

package main

import (
    // other imports
    "fmt"
    "log"
    "os"

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

// Credentials stores all of our access/consumer tokens
// and secret keys needed for authentication against
// the twitter REST API.
type Credentials struct {
    ConsumerKey       string
    ConsumerSecret    string
    AccessToken       string
    AccessTokenSecret string
}

// getClient is a helper function that will return a twitter client
// that we can subsequently use to send tweets, or to stream new tweets
// this will take in a pointer to a Credential struct which will contain
// everything needed to authenticate and return a pointer to a twitter Client
// or an error
func getClient(creds *Credentials) (*twitter.Client, error) {
    // Pass in your consumer key (API Key) and your Consumer Secret (API Secret)
    config := oauth1.NewConfig(creds.ConsumerKey, creds.ConsumerSecret)
    // Pass in your Access Token and your Access Token Secret
    token := oauth1.NewToken(creds.AccessToken, creds.AccessTokenSecret)

    httpClient := config.Client(oauth1.NoContext, token)
    client := twitter.NewClient(httpClient)

    // Verify Credentials
    verifyParams := &twitter.AccountVerifyParams{
        SkipStatus:   twitter.Bool(true),
        IncludeEmail: twitter.Bool(true),
    }

    // we can retrieve the user and verify if the credentials
    // we have used successfully allow us to log in!
    user, _, err := client.Accounts.VerifyCredentials(verifyParams)
    if err != nil {
        return nil, err
    }

    log.Printf("User's ACCOUNT:\n%+v\n", user)
    return client, nil
}
func main() {
    creds := Credentials{
        AccessToken:       os.Getenv("ACCESS_TOKEN"),
        AccessTokenSecret: os.Getenv("ACCESS_TOKEN_SECRET"),
        ConsumerKey:       os.Getenv("CONSUMER_KEY"),
        ConsumerSecret:    os.Getenv("CONSUMER_SECRET"),
    }
    {
        const DaysTotal int = 60
        var remainingDays uint = 60
        challenge := "#DevOpsTraineeProgram"

        fmt.Printf("Welcome to the %v challenge.\nThis challenge consists of %v days\n", challenge, DaysTotal)

        var TwitterName string
        var DaysCompleted uint

        // asking for user input
        fmt.Println("Enter Your Twitter Handle: ")
        fmt.Scanln(&TwitterName)

        fmt.Println("How many days have you completed?: ")
        fmt.Scanln(&DaysCompleted)

        // calculate remaining days
        remainingDays = remainingDays - DaysCompleted

        //fmt.Printf("Thank you %v for taking part and completing %v days.\n", TwitterName, DaysCompleted)
        //fmt.Printf("You have %v days remaining for the %v challenge\n", remainingDays, challenge)
        // fmt.Println("Good luck")

        client, err := getClient(&creds)
        if err != nil {
            log.Println("Error getting Twitter Client, this is expected if you did not supply your Twitter API tokens")
            log.Println(err)
        }

        message := fmt.Sprintf("Hey I am %v I have been doing the %v for %v days and I have %v Days left", TwitterName, challenge, DaysCompleted, remainingDays)
        tweet, resp, err := client.Statuses.Update(message, nil)
        if err != nil {
            log.Println(err)
        }
        log.Printf("%+v\n", resp)
        log.Printf("%+v\n", tweet)
    }

}