Added viva wallet support + completion on stripe
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Borna Rajković committed
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commit
9440fa9778
9 files changed
+637
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@@ -0,0 +1,26 @@
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package viva
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import (
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"github.com/google/uuid"
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"payment-poc/state"
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"time"
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)
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const VivaUrl = "https://demo-api.vivapayments.com"
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type VivaDb struct {
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Id uuid.UUID `db:"id"`
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OrderId string `db:"order_id"`
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TransactionId uuid.UUID `db:"transaction_id"`
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TotalAmount int64 `db:"total_amount"`
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Lang string `db:"lang"`
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EventId string `db:"event_id"`
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ECI string `db:"eci"`
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DateTime time.Time `db:"date_time"`
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// transaction response
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State state.PaymentState `db:"payment_state"`
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}
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+235
@@ -0,0 +1,235 @@
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package viva
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"errors"
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"github.com/google/uuid"
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"github.com/jmoiron/sqlx"
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"io"
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"log"
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"net/http"
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"net/url"
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"payment-poc/state"
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"strconv"
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"strings"
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"time"
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)
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type Service struct {
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DB *sqlx.DB
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Token string
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Expiration time.Time
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ClientId string
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ClientSecret string
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SourceCode string
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MerchantId string
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ApiKey string
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}
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func (s *Service) OAuthToken() (string, error) {
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if s.Token != "" && s.Expiration.After(time.Now()) {
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return s.Token, nil
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}
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return s.fetchOAuthToken()
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}
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func (s *Service) CreatePaymentOrder(entry VivaDb) (VivaDb, error) {
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token, err := s.OAuthToken()
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if err != nil {
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return VivaDb{}, err
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}
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orderRequest := VivaOrderRequest{
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Amount: entry.TotalAmount,
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Description: "Example payment",
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MerchantDescription: "Example payment",
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PreAuth: true,
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AllowRecurring: false,
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Source: s.SourceCode,
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}
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content, err := json.Marshal(&orderRequest)
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if err != nil {
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return VivaDb{}, err
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}
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request, err := http.NewRequest("POST", "https://demo-api.vivapayments.com/checkout/v2/orders", bytes.NewReader(content))
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request.Header.Add("authorization", "Bearer "+token)
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request.Header.Add("content-type", "application/json")
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response, err := http.DefaultClient.Do(request)
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if err != nil {
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return VivaDb{}, err
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}
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if response.StatusCode == http.StatusOK {
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orderResponse := VivaOrderResponse{}
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content, err := io.ReadAll(response.Body)
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if err != nil {
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return VivaDb{}, err
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}
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if err := json.Unmarshal(content, &orderResponse); err != nil {
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return VivaDb{}, err
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} else {
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entry.OrderId = string(orderResponse.OrderId)
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return entry, nil
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}
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} else {
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return VivaDb{}, errors.New("received wrong status, expected 200 received " + strconv.FormatInt(int64(response.StatusCode), 10))
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}
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}
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func (s *Service) CreateEntry(totalAmount int64) (VivaDb, error) {
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id := uuid.Must(uuid.NewRandom())
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entry := VivaDb{
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Id: id,
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TotalAmount: totalAmount,
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State: state.StateInitialized,
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}
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_, err := s.DB.Exec(`INSERT INTO "viva" ("id", "total_amount", "payment_state") VALUES ($1, $2, $3)`,
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&entry.Id, &entry.TotalAmount, &entry.State,
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)
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if err != nil {
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return VivaDb{}, err
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}
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return s.FetchById(id)
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}
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func (s *Service) FetchAll() ([]VivaDb, error) {
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var entries []VivaDb
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err := s.DB.Select(&entries, `SELECT * FROM "viva"`)
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return entries, err
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}
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func (s *Service) FetchById(id uuid.UUID) (VivaDb, error) {
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entry := VivaDb{}
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err := s.DB.Get(&entry, `SELECT * FROM "viva" WHERE "id" = $1`, id)
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return entry, err
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}
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func (s *Service) FetchByOrderId(id OrderId) (VivaDb, error) {
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entry := VivaDb{}
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err := s.DB.Get(&entry, `SELECT * FROM "viva" WHERE "order_id" = $1`, string(id))
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return entry, err
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}
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func (s *Service) Update(entry VivaDb) error {
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_, err := s.DB.Exec(`UPDATE "viva" set "order_id" = $2, "transaction_id" = $3, "payment_state" = $4 WHERE "id" = $1`,
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&entry.Id, &entry.OrderId, &entry.TransactionId, &entry.State,
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)
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return err
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}
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func (s *Service) fetchOAuthToken() (string, error) {
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form := url.Values{
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"grant_type": []string{"client_credentials"},
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}
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request, err := http.NewRequest("POST", "https://demo-accounts.vivapayments.com/connect/token", strings.NewReader(form.Encode()))
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if err != nil {
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return "", err
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}
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request.Header.Add("content-type", "application/x-www-form-urlencoded")
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request.SetBasicAuth(s.ClientId, s.ClientSecret)
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response, err := http.DefaultClient.Do(request)
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if err != nil {
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return "", err
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}
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if response.StatusCode == http.StatusOK {
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oauthObject := VivaOAuthResponse{}
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content, err := io.ReadAll(response.Body)
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if err != nil {
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return "", err
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}
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if err := json.Unmarshal(content, &oauthObject); err != nil {
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return "", err
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} else {
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s.Token = oauthObject.AccessToken
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s.Expiration = time.Now().Add(time.Duration(oauthObject.ExpiresIn) * time.Second)
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}
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} else {
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return "", errors.New("received wrong status, expected 200 received " + strconv.FormatInt(int64(response.StatusCode), 10))
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}
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return s.Token, nil
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}
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func (s *Service) CompleteTransaction(entry VivaDb, amount int64) (VivaDb, error) {
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completionRequest := VivaTransactionCompleteRequest{
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Amount: amount,
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CustomerDescription: "Example transaction",
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}
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content, err := json.Marshal(&completionRequest)
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if err != nil {
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return VivaDb{}, err
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}
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request, err := http.NewRequest("POST", "https://demo.vivapayments.com/api/transactions/"+entry.TransactionId.String(), bytes.NewReader(content))
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request.Header.Add("authorization", "Bearer "+s.BasicAuth())
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request.Header.Add("content-type", "application/json")
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response, err := http.DefaultClient.Do(request)
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if err != nil {
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return VivaDb{}, err
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}
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if response.StatusCode == http.StatusOK {
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transactionResponse := VivaTransactionResponse{}
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content, err := io.ReadAll(response.Body)
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if err != nil {
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return VivaDb{}, err
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}
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if err := json.Unmarshal(content, &transactionResponse); err != nil {
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return VivaDb{}, err
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} else {
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log.Printf("Received transaction response: success=%v, eventId=%d, status=%s, amount=%f, errorCode=%d, errorText=%s",
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transactionResponse.Success, transactionResponse.EventId, transactionResponse.StatusId, transactionResponse.Amount, transactionResponse.ErrorCode, transactionResponse.ErrorText,
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)
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if transactionResponse.StatusId == "F" {
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entry.TotalAmount = int64(transactionResponse.Amount * 100)
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entry.State = state.StateCompleted
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} else {
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return VivaDb{}, errors.New("received invalid status = " + transactionResponse.StatusId)
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}
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}
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} else {
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return VivaDb{}, errors.New("received wrong status, expected 200 received " + strconv.FormatInt(int64(response.StatusCode), 10))
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}
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return entry, nil
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}
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func (s *Service) BasicAuth() string {
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return base64.StdEncoding.EncodeToString([]byte(s.MerchantId + ":" + s.ApiKey))
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}
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func (s *Service) CancelTransaction(entry VivaDb) (VivaDb, error) {
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request, err := http.NewRequest("DELETE", "https://demo.vivapayments.com/api/transactions/"+entry.TransactionId.String()+"?amount="+strconv.FormatInt(entry.TotalAmount, 10), bytes.NewReader([]byte{}))
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request.Header.Add("authorization", "Bearer "+s.BasicAuth())
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response, err := http.DefaultClient.Do(request)
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if err != nil {
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return VivaDb{}, err
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}
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if response.StatusCode == http.StatusOK {
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transactionResponse := VivaTransactionResponse{}
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content, err := io.ReadAll(response.Body)
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if err != nil {
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return VivaDb{}, err
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}
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if err := json.Unmarshal(content, &transactionResponse); err != nil {
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return VivaDb{}, err
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} else {
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log.Printf("Received transaction response: success=%v, eventId=%d, status=%s, amount=%f, errorCode=%d, errorText=%s",
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transactionResponse.Success, transactionResponse.EventId, transactionResponse.StatusId, transactionResponse.Amount, transactionResponse.ErrorCode, transactionResponse.ErrorText,
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)
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if transactionResponse.StatusId == "F" {
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entry.State = state.StateVoided
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} else {
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return VivaDb{}, errors.New("received invalid status = " + transactionResponse.StatusId)
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}
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}
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} else {
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return VivaDb{}, errors.New("received wrong status, expected 200 received " + strconv.FormatInt(int64(response.StatusCode), 10))
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}
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return entry, nil
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}
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@@ -0,0 +1,44 @@
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package viva
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type OrderId string
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func (o OrderId) MarshalJSON() ([]byte, error) {
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return []byte(o), nil
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}
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func (o *OrderId) UnmarshalJSON(value []byte) error {
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*o = OrderId(value)
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return nil
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}
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type VivaOrderRequest struct {
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Amount int64 `json:"amount"`
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Description string `json:"customerTrns"`
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MerchantDescription string `json:"merchantTrns"`
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PreAuth bool `json:"preauth"`
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AllowRecurring bool `json:"allowRecurring"`
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Source string `json:"sourceCode"`
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}
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type VivaOrderResponse struct {
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OrderId OrderId `json:"orderCode"`
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}
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type VivaOAuthResponse struct {
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AccessToken string `json:"access_token"`
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ExpiresIn int `json:"expires_in"`
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}
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type VivaTransactionCompleteRequest struct {
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Amount int64 `json:"amount"`
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CustomerDescription string `json:"customerTrns"`
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}
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type VivaTransactionResponse struct {
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Amount float64 `json:"Amount"`
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StatusId string `json:"StatusId"`
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ErrorCode int64 `json:"ErrorCode"`
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ErrorText string `json:"ErrorText"`
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EventId int64 `json:"EventId"`
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Success bool `json:"Success"`
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}
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