refactor: streamline response handling by introducing readResponseBody utility

client/token.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"errors"
 	"gitea.siteworxpro.com/golang-packages/email-api-client/redis"
-	"io"
 	"net/http"
 	"time"
 )
@@ -53,16 +52,7 @@ func getToken(configuration *Configuration) (*Token, error) {
 		return nil, errors.New("Failed to retrieve access token: " + resp.Status)
 	}
 
-	defer func(Body io.ReadCloser) {
-		_ = Body.Close()
-	}(resp.Body)
-
-	responseBody, err := io.ReadAll(resp.Body)
-	if err != nil {
-		return nil, err
-	}
-
-	err = json.Unmarshal(responseBody, token)
+	token, err = readResponseBody[Token](resp)
 	if err != nil {
 		return nil, err
 	}