initial commit 2
This commit is contained in:
Senad Uka
31
application/notificationservice/notificationservice.go
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31
application/notificationservice/notificationservice.go
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package notificationservice
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import (
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"sync"
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"bitbucket.org/nemt/nemt-portal-api/application/entitymapping"
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"bitbucket.org/nemt/nemt-portal-api/domain/contract"
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"bitbucket.org/nemt/nemt-portal-api/domain/service"
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"bitbucket.org/nemt/nemt-portal-api/infra/config"
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)
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var (
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instance *Service
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once sync.Once
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)
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// Service holds the domain service repositories
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type Service struct {
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Twilio *twilioService
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}
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// New returns a new domain Service instance
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func New(svc *service.Service, mapper *entitymapping.Mapper, cfg *config.Config, cache contract.CacheManager) *Service {
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once.Do(func() {
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instance = &Service{
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Twilio: newTwilioService(svc, mapper, cfg, cache),
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}
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})
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return instance
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}
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259
application/notificationservice/twilio.go
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259
application/notificationservice/twilio.go
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@@ -0,0 +1,259 @@
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package notificationservice
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"strings"
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"bitbucket.org/nemt/nemt-portal-api/application/entitymapping"
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"bitbucket.org/nemt/nemt-portal-api/application/viewmodel"
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"bitbucket.org/nemt/nemt-portal-api/domain"
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"bitbucket.org/nemt/nemt-portal-api/domain/contract"
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"bitbucket.org/nemt/nemt-portal-api/domain/service"
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"bitbucket.org/nemt/nemt-portal-api/infra/config"
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)
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const (
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twilioMessageURL = "https://api.twilio.com/2010-04-01/Accounts/%s/Messages.json"
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twilioNumbersURL = "https://api.twilio.com/2010-04-01/Accounts/%s/AvailablePhoneNumbers/US/Local.json"
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twiliActualNumbersURL = "https://api.twilio.com/2010-04-01/Accounts/%s/IncomingPhoneNumbers.json"
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)
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// twilioService holds methods to twillio application service
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type twilioService struct {
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svc *service.Service
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mapEntity *entitymapping.Mapper
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cfg *config.Config
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urlMessage string
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urlNumber string
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urlActualNumber string
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cache contract.CacheManager
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}
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// newTwilioService returns a twilioService instance
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func newTwilioService(svc *service.Service, mapper *entitymapping.Mapper, cfg *config.Config, cache contract.CacheManager) *twilioService {
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return &twilioService{
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svc: svc,
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mapEntity: mapper,
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cfg: cfg,
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urlMessage: fmt.Sprintf(twilioMessageURL, cfg.Twilio.Account),
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urlNumber: fmt.Sprintf(twilioNumbersURL, cfg.Twilio.Account),
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urlActualNumber: fmt.Sprintf(twiliActualNumbersURL, cfg.Twilio.Account),
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cache: cache,
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}
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}
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func (s twilioService) GetProxyNumber(to string) (viewmodel.ProxyNumber, error) {
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key := "proxy" + to
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var number viewmodel.ProxyNumber
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err := s.cache.GetStruct(key, &number)
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if err != nil || err == domain.ErrCacheMiss {
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return number, err
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} else {
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return number, nil
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}
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}
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func (s twilioService) GetAvaliableNumbers(to string) (viewmodel.ListNumbers, error) {
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if to != "" {
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if strings.Contains(to, "+1") {
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to = strings.Replace(to, "+1", "", -1)
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}
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area := to[0:3]
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msgData := url.Values{}
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msgData.Set("PhoneNumber", area)
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client := &http.Client{}
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req, _ := http.NewRequest("GET", s.urlActualNumber+"?"+msgData.Encode(), bytes.NewBuffer([]byte{}))
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req.SetBasicAuth(s.cfg.Twilio.Account, s.cfg.Twilio.Token)
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resp, err := client.Do(req)
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if err != nil {
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fmt.Println("Error Twilio: ", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 200 && resp.StatusCode < 300 {
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var data viewmodel.ListNumbers
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decoder := json.NewDecoder(resp.Body)
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err := decoder.Decode(&data)
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if err != nil {
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return viewmodel.ListNumbers{}, err
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}
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return data, nil
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} else {
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return viewmodel.ListNumbers{}, errors.New(resp.Status)
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}
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}
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return viewmodel.ListNumbers{}, nil
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}
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func (s twilioService) GetAvaliableNewNumbers(to string) (viewmodel.ListNumbers, error) {
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if to != "" {
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if strings.Contains(to, "+1") {
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to = strings.Replace(to, "+1", "", -1)
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}
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area := to[0:3]
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msgData := url.Values{}
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msgData.Set("AreaCode", area)
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client := &http.Client{}
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req, _ := http.NewRequest("GET", s.urlNumber+"?"+msgData.Encode(), bytes.NewBuffer([]byte{}))
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req.SetBasicAuth(s.cfg.Twilio.Account, s.cfg.Twilio.Token)
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resp, err := client.Do(req)
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if err != nil {
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fmt.Println("Error Twilio: ", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 200 && resp.StatusCode < 300 {
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var data viewmodel.ListNumbers
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decoder := json.NewDecoder(resp.Body)
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err := decoder.Decode(&data)
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if err != nil {
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return viewmodel.ListNumbers{}, err
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}
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return data, nil
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} else {
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return viewmodel.ListNumbers{}, errors.New(resp.Status)
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}
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}
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return viewmodel.ListNumbers{}, nil
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}
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func (s twilioService) SaveNewNumber(number viewmodel.Number) (viewmodel.Number, error) {
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phoneNumber := number.PhoneNumber
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if strings.Contains(phoneNumber, "+1") {
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phoneNumber = strings.Replace(phoneNumber, "+1", "", -1)
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}
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area := phoneNumber[0:3]
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msgData := url.Values{}
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msgData.Set("PhoneNumber", number.PhoneNumber)
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msgData.Set("AreaCode", area)
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msgData.Set("FriendlyName", number.FriendlyName)
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msgData.Set("SmsApplicationSid", s.cfg.Twilio.TwiMLSID)
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msgDataReader := *strings.NewReader(msgData.Encode())
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client := &http.Client{}
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req, _ := http.NewRequest("POST", s.urlActualNumber, &msgDataReader)
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req.Header.Add("Accept", "application/json")
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.SetBasicAuth(s.cfg.Twilio.Account, s.cfg.Twilio.Token)
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resp, err := client.Do(req)
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if err != nil {
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fmt.Println("Error Twilio: ", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 200 && resp.StatusCode < 300 {
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decoder := json.NewDecoder(resp.Body)
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err := decoder.Decode(&number)
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if err != nil {
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return viewmodel.Number{}, err
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}
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return number, nil
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} else {
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return viewmodel.Number{}, errors.New(resp.Status)
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}
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}
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func (s twilioService) GetValidNumber(from string, to string) (viewmodel.Number, error) {
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list, err := s.GetAvaliableNumbers(to)
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if err != nil {
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return viewmodel.Number{}, err
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}
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if len(list.IncomingPhones) > 0 {
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return list.IncomingPhones[0], nil
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}
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list, err = s.GetAvaliableNewNumbers(to)
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if err != nil {
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return viewmodel.Number{}, err
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}
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if len(list.AvailableNumbers) > 0 {
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number, err := s.SaveNewNumber(list.AvailableNumbers[0])
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if err != nil {
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fmt.Println("Error on GetValidNumber: ", err.Error())
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return viewmodel.Number{}, err
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}
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return number, nil
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} else {
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return viewmodel.Number{}, errors.New("No new number available")
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}
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}
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func (s twilioService) GetNumber(from string, to string) (string, error) {
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number, err := s.GetValidNumber(from, to)
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if err != nil {
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return from, err
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}
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return number.PhoneNumber, nil
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}
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func (s twilioService) SendSMS(from string, to string, message string) error {
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if from == "" {
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return errors.New("TwilioService.SendSMS: from parameter is mandatory")
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}
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if to == "" {
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return errors.New("TwilioService.SendSMS: to parameter is mandatory")
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}
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if message == "" {
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return errors.New("TwilioService.SendSMS: message parameter is mandatory")
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}
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senderNumber, err := s.GetNumber(from, to)
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if err != nil {
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return err
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}
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msgData := url.Values{}
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msgData.Set("To", to)
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msgData.Set("From", senderNumber)
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msgData.Set("Body", message)
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msgDataReader := *strings.NewReader(msgData.Encode())
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client := &http.Client{}
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req, _ := http.NewRequest("POST", s.urlMessage, &msgDataReader)
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req.SetBasicAuth(s.cfg.Twilio.Account, s.cfg.Twilio.Token)
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req.Header.Add("Accept", "application/json")
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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resp, err := client.Do(req)
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if err != nil {
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fmt.Println("Error Twilio: ", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 200 && resp.StatusCode < 300 {
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var data map[string]interface{}
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decoder := json.NewDecoder(resp.Body)
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err := decoder.Decode(&data)
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if err != nil {
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return err
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}
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} else {
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fmt.Println("Error on Twilio Response: ", resp.Status)
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return errors.New(resp.Status)
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}
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return nil
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}
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