gogjango/gjango

package mobile

import (
    "fmt"
    "io/ioutil"
    "log"
    "net/http"
    "net/url"
    "strconv"
    "strings"

    "github.com/gogjango/gjango/config"
)

// NewMobile creates a new mobile service implementation
func NewMobile(config *config.TwilioConfig) *Mobile {
    return &Mobile{config}
}

// Mobile provides a mobile service implementation
type Mobile struct {
    config *config.TwilioConfig
}

// GenerateSMSToken sends an sms token to the mobile numer
// func (m *Mobile) GenerateSMSToken(countryCode, mobile string) error
// m.GenerateSMSToken("+65", "90901299")
func (m *Mobile) GenerateSMSToken(countryCode, mobile string) error {
    apiURL := m.getTwilioVerifyURL()
    data := url.Values{}
    data.Set("To", countryCode+mobile)
    data.Set("Channel", "sms")
    resp, err := m.send(apiURL, data)
    if err != nil {
        return err
    }

    bodyBytes, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        log.Fatal(err)
    }
    bodyString := string(bodyBytes)
    fmt.Println(bodyString)
    return err
}

// CheckCode verifies if the user-provided code is approved
func (m *Mobile) CheckCode(countryCode, mobile, code string) error {
    apiURL := m.getTwilioVerifyURL()
    data := url.Values{}
    data.Set("To", countryCode+mobile)
    data.Set("Code", code)
    resp, err := m.send(apiURL, data)
    if err != nil {
        return err
    }

    // take a look at our response
    fmt.Println(resp.StatusCode)
    fmt.Println(resp.Body)
    bodyBytes, err := ioutil.ReadAll(resp.Body)
    if err != nil {
        log.Fatal(err)
    }
    bodyString := string(bodyBytes)
    fmt.Println(bodyString)
    return nil
}

func (m *Mobile) getTwilioVerifyURL() string {
    return "https://verify.twilio.com/v2/Services/" + m.config.Verify + "/Verifications"
}

func (m *Mobile) send(apiURL string, data url.Values) (*http.Response, error) {
    u, _ := url.ParseRequestURI(apiURL)
    urlStr := u.String()
    // http client
    client := &http.Client{}
    r, _ := http.NewRequest("POST", urlStr, strings.NewReader(data.Encode())) // URL-encoded payload
    r.SetBasicAuth(m.config.Account, m.config.Token)
    r.Header.Add("Content-Type", "application/x-www-form-urlencoded")
    r.Header.Add("Content-Length", strconv.Itoa(len(data.Encode())))

    return client.Do(r)
}