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africa_talking.go
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africa_talking.go
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package yuri
import (
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
)
const LiveUrl = "https://api.africastalking.com/version1/"
const SandboxUrl = "https://api.sandbox.africastalking.com/version1/"
const SMSUrl = "messaging"
const AirtimeUrl = "airtime/send"
type AfricaTalking struct {
Live bool
ApiKey string
UserName string
From string
}
func NewAfricaTalking(apiKey, userName, from string) AfricaTalking {
return AfricaTalking{
Live: true,
ApiKey: apiKey,
UserName: userName,
From: from,
}
}
func (a *AfricaTalking) SetMode(mode bool) {
a.Live = mode
}
func (a *AfricaTalking) SendSms(to, message string) (*AfricaTalkingResponse, error) {
body := url.Values{}
body.Set("username", a.UserName)
body.Set("to", to)
body.Set("message", message)
body.Set("from", a.From)
resp, err := a.postRequest(a.getSmsUrl(), body, nil)
if err != nil {
return nil, err
}
defer resp.Body.Close()
var response AfricaTalkingResponse
if !(resp.StatusCode >= 200 && resp.StatusCode <= 299) {
b, _ := ioutil.ReadAll(resp.Body)
return nil, &RequestError{Message: string(b), StatusCode: resp.StatusCode}
}
if err := json.NewDecoder(resp.Body).Decode(&response); err != nil {
return nil, errors.New("error converting from json")
}
return &response, nil
}
func (a *AfricaTalking) SendAirtime(airtimeRequest []AfricaTalkingAirtimeRequest) (*AfricaTalkingMessageResponse, error) {
africaTalkingMaps := []map[string]string{}
for i, _ := range airtimeRequest {
dataMap := airtimeRequest[i].ToAfricaTalkingString()
africaTalkingMaps = append(africaTalkingMaps, dataMap)
}
data, err := ToJson(africaTalkingMaps)
if err != nil {
return nil, err
}
africaTalkingString := string(data)
body := url.Values{}
body.Set("username", a.UserName)
body.Set("recipients", africaTalkingString)
resp, err := a.postRequest(a.getAirtimeUrl(), body, nil)
if err != nil {
return nil, err
}
defer resp.Body.Close()
var response AfricaTalkingMessageResponse
if !(resp.StatusCode >= 200 && resp.StatusCode <= 299) {
b, _ := ioutil.ReadAll(resp.Body)
return nil, &RequestError{Message: string(b), StatusCode: resp.StatusCode}
}
if err := json.NewDecoder(resp.Body).Decode(&response); err != nil {
return nil, errors.New("error converting from json")
}
return &response, nil
}
func (a *AfricaTalking) getBaseUrl() string {
if !a.Live {
return SandboxUrl
}
return LiveUrl
}
func (a *AfricaTalking) getSmsUrl() string {
return a.getBaseUrl() + SMSUrl
}
func (a *AfricaTalking) getAirtimeUrl() string {
return a.getBaseUrl() + AirtimeUrl
}
func (a *AfricaTalking) postRequest(url string, data url.Values, headers map[string]string) (*http.Response, error) {
///requestBody, err := json.Marshal(data)
requestBody := strings.NewReader(data.Encode())
req, err := http.NewRequest(http.MethodPost, url, requestBody)
if err != nil {
return nil, err
}
for key, value := range headers {
req.Header.Set(key, value)
}
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
req.Header.Add("Accept", "application/json")
req.Header.Set("apikey", a.ApiKey)
req.Header.Set("Accept", "application/json")
client := &http.Client{
///Timeout: 15 * time.Second
}
return client.Do(req)
}
type AfricaTalkingResponse struct {
SMSMessageData SMSMessageData `json:"SMSMessageData"`
}
type Recipients struct {
Number string `json:"number"`
Status string `json:"status"`
Cost string `json:"cost"`
MessageId string `json:"messageId"`
StatusCode int `json:"statusCode"`
}
type SMSMessageData struct {
Message string `json:"Message"`
Recipients []Recipients `json:"Recipients"`
}
type AfricaTalkingAirtimeRequest struct {
PhoneNumber string `json:"phoneNumber"`
Currency string `json:"currency"`
Amount float64 `json:"amount"`
}
type AfricaTalkingMessageResponse struct {
ErrorMessage string `json:"errorMessage"`
NumSent int `json:"numSent"`
TotalAmount string `json:"totalAmount"`
TotalDiscount string `json:"totalDiscount"`
Responses []Responses `json:"responses"`
}
type Responses struct {
PhoneNumber string `json:"phoneNumber"`
ErrorMessage string `json:"errorMessage"`
Amount string `json:"amount"`
Status string `json:"status"`
RequestID string `json:"requestId"`
Discount string `json:"discount"`
}
func (a AfricaTalkingAirtimeRequest) ToAfricaTalkingString() map[string]string {
data := map[string]string{
"phoneNumber": a.PhoneNumber,
"amount": a.Currency + " " + fmt.Sprintf("%.2f", a.Amount),
}
return data
}
type RequestError struct {
StatusCode int
Message string
Url string
}
func (r *RequestError) Error() string {
return fmt.Sprintf("url is: %s \n status code is: %d \n and body is : %s", r.Url, r.StatusCode, r.Message)
}