Add transactions service

Author: AchoArnold

client.go

@@ -22,8 +22,9 @@ type Client struct {
 	secretKey  string
 	baseURL    string
 
-	Bills   *billsService
-	Payment *paymentsService
+	Bills        *billsService
+	Payments     *paymentsService
+	Transactions *transactionsService
 }
 
 // New creates and returns a new flutterwave.Client from a slice of flutterwave.ClientOption.
@@ -42,7 +43,8 @@ func New(options ...ClientOption) *Client {
 
 	client.common.client = client
 	client.Bills = (*billsService)(&client.common)
-	client.Payment = (*paymentsService)(&client.common)
+	client.Payments = (*paymentsService)(&client.common)
+	client.Transactions = (*transactionsService)(&client.common)
 	return client
 }
 

transactions.go

@@ -0,0 +1,46 @@
+package flutterwave
+
+import "time"
+
+// TransactionResponse is data returned when querying a transaction
+type TransactionResponse struct {
+	Status  string `json:"status"`
+	Message string `json:"message"`
+	Data    struct {
+		ID                int64     `json:"id"`
+		TxRef             string    `json:"tx_ref"`
+		FlwRef            string    `json:"flw_ref"`
+		DeviceFingerprint string    `json:"device_fingerprint"`
+		Amount            int       `json:"amount"`
+		Currency          string    `json:"currency"`
+		ChargedAmount     int       `json:"charged_amount"`
+		AppFee            float64   `json:"app_fee"`
+		MerchantFee       int       `json:"merchant_fee"`
+		ProcessorResponse string    `json:"processor_response"`
+		AuthModel         string    `json:"auth_model"`
+		IP                string    `json:"ip"`
+		Narration         string    `json:"narration"`
+		Status            string    `json:"status"`
+		PaymentType       string    `json:"payment_type"`
+		CreatedAt         time.Time `json:"created_at"`
+		AccountID         int       `json:"account_id"`
+		Card              struct {
+			First6Digits string `json:"first_6digits"`
+			Last4Digits  string `json:"last_4digits"`
+			Issuer       string `json:"issuer"`
+			Country      string `json:"country"`
+			Type         string `json:"type"`
+			Token        string `json:"token"`
+			Expiry       string `json:"expiry"`
+		} `json:"card"`
+		Meta          interface{} `json:"meta"`
+		AmountSettled float64     `json:"amount_settled"`
+		Customer      struct {
+			ID          int       `json:"id"`
+			Name        string    `json:"name"`
+			PhoneNumber string    `json:"phone_number"`
+			Email       string    `json:"email"`
+			CreatedAt   time.Time `json:"created_at"`
+		} `json:"customer"`
+	} `json:"data"`
+}

transactions_service.go

@@ -0,0 +1,35 @@
+package flutterwave
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+)
+
+// transactionsService is the API client for the `/v3/transactions` endpoint
+type transactionsService service
+
+// Verify the final status of a transaction
+//
+// API Docs: https://developer.flutterwave.com/reference/endpoints/transactions
+func (service *transactionsService) Verify(ctx context.Context, transactionID int64) (*TransactionResponse, *Response, error) {
+	uri := fmt.Sprintf("/v3/transactions/%d/verify", transactionID)
+
+	request, err := service.client.newRequest(ctx, http.MethodGet, uri, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	response, err := service.client.do(request)
+	if err != nil {
+		return nil, response, err
+	}
+
+	var data TransactionResponse
+	if err = json.Unmarshal(*response.Body, &data); err != nil {
+		return nil, response, err
+	}
+
+	return &data, response, nil
+}