Merge pull request #12 from nndi-oss/fix/show-warning-on-large-respon…

…se#11

fix: show warning when USSD response text exceeds 160 chars closes #11

cmd/dialoguss.go

@@ -18,10 +18,11 @@ import (
 )
 
 var (
-	interactive    bool
-	file           string
-	trurouteMode   bool
-	defaultTimeout = 21 * time.Second
+	interactive        bool
+	file               string
+	trurouteMode       bool
+	defaultTimeout     = 21 * time.Second
+	UssdCharacterLimit = 160
 )
 
 const (
@@ -207,6 +208,11 @@ func RunInteractive(s *core.Session) error {
 	if err != nil {
 		return err
 	}
+
+	if n := len(output); n > UssdCharacterLimit {
+		fmt.Printf("\n\n\tWARN: USSD response contains %d characters\n\twhich is %d more than the recommended limit\n\n", n, n-UssdCharacterLimit)
+	}
+
 	fmt.Println(output)
 	// Execute other steps if we haven't received an "END" response
 sessionLoop:
@@ -229,6 +235,11 @@ sessionLoop:
 		if err != nil {
 			return err
 		}
+
+		if n := len(output); n > UssdCharacterLimit {
+			fmt.Printf("\n\n\tWARN: USSD response contains %d characters\n\twhich is %d more than the recommended limit\n\n", n, n-UssdCharacterLimit)
+		}
+
 		fmt.Println(output)
 		if step.IsLast {
 			break

pkg/africastalking/africastalking.go

@@ -2,7 +2,7 @@ package africastalking
 
 import (
 	"errors"
-	"io/ioutil"
+	"io"
 	"log"
 	"net/url"
 	"regexp"
@@ -40,7 +40,7 @@ func (s *AfricasTalkingRouteStep) ExecuteAsAfricasTalking(session *core.Session)
 		return "", err
 	}
 
-	b, err := ioutil.ReadAll(res.Body)
+	b, err := io.ReadAll(res.Body)
 	defer res.Body.Close()
 	if err != nil {
 		return "", err