Fixed the documentation

README.md

@@ -31,6 +31,8 @@ import "github.com/NdoleStudio/campay-go-sdk"
   - `POST /token` - Get access token
 - [Collect](#collect)
   - `POST /collect` - Request Payment
+- [Transaction](#transaction)
+  - `POST /transaction/(reference)/` - Transaction Status
 
 ## Usage
 
@@ -88,7 +90,7 @@ log.Println(token.Token) // e.g eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiIsInVpZCI6Mn0.
 
 This handles all API requests whose URL begins with `/collect/`
 
-#### Get access token
+#### Request Payment
 
 `POST /collect/`: Request Payment
 
@@ -102,6 +104,21 @@ payload, httpResponse, err := campayClient.Collect(context.Background(), campay.
 })
 ```
 
+### Transaction
+
+This handles all API requests whose URL begins with `/transaction/`
+
+#### R
+
+`POST /transaction/(reference)/`: Transaction Status
+
+```go
+transaction, httpResponse, err := campayClient.Transaction.Get(
+	context.Background(),
+	"bcedde9b-62a7-4421-96ac-2e6179552a1a"
+)
+```
+
 ## Testing
 
 You can run the unit tests for this SDK from the root directory using the command below:

client.go

@@ -29,7 +29,7 @@ type Client struct {
 	apiPassword         string
 	token               string
 	tokenExpirationTime int64
-	Transaction         *TransactionService
+	Transaction         *transactionService
 }
 
 // New creates and returns a new campay.Client from a slice of campay.ClientOption.
@@ -49,7 +49,7 @@ func New(options ...ClientOption) *Client {
 	}
 
 	client.common.client = client
-	client.Transaction = (*TransactionService)(&client.common)
+	client.Transaction = (*transactionService)(&client.common)
 	return client
 }
 

transaction.go

@@ -0,0 +1,12 @@
+package campay
+
+// Transaction contains details of an initiated transaction
+type Transaction struct {
+	Reference         string  `json:"reference"`
+	Status            string  `json:"status"`
+	Amount            float64 `json:"amount"`
+	Currency          string  `json:"currency"`
+	Operator          string  `json:"operator"`
+	Code              string  `json:"code"`
+	OperatorReference string  `json:"operator_reference"`
+}

transaction_service.go

@@ -1,4 +1,34 @@
 package campay
 
-// TransactionService is the API client for the `/gateway` endpoint
-type TransactionService service
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+// transactionService is the API client for the `/gateway` endpoint
+type transactionService service
+
+func (service *transactionService) Get(ctx context.Context, reference string) (*Transaction, *Response, error) {
+	err := service.client.refreshToken(ctx)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	request, err := service.client.newRequest(ctx, http.MethodGet, "/transaction/"+reference, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	response, err := service.client.do(request)
+	if err != nil {
+		return nil, response, err
+	}
+
+	var transaction Transaction
+	if err = json.Unmarshal(*response.Body, &transaction); err != nil {
+		return nil, response, err
+	}
+
+	return &transaction, response, nil
+}