feat: add error handling to go messaging samples

Author: stern-shawn

rest/messages/generate-twiml-dynamic-sms/generate-twiml-dynamic-sms.1.x.go

@@ -27,10 +27,13 @@ func main() {
 			Body: body,
 		}
 
-		twimlResult, _ := twiml.Messages([]twiml.Element{message})
-
-		context.Header("Content-Type", "text/xml")
-		context.String(http.StatusOK, twimlResult)
+		twimlResult, err := twiml.Messages([]twiml.Element{message})
+		if err != nil {
+			context.String(http.StatusInternalServerError, err)
+		} else {
+			context.Header("Content-Type", "text/xml")
+			context.String(http.StatusOK, twimlResult)
+		}
 	})
 
 	router.Run(":3000")

rest/messages/generate-twiml-mms/generate-twiml-mms.1.x.go

@@ -21,10 +21,13 @@ func main() {
 			InnerElements: []twiml.Element{messageBody, messageMedia},
 		}
 
-		twimlResult, _ := twiml.Messages([]twiml.Element{message})
-
-		context.Header("Content-Type", "text/xml")
-		context.String(http.StatusOK, twimlResult)
+		twimlResult, err := twiml.Messages([]twiml.Element{message})
+		if err != nil {
+			context.String(http.StatusInternalServerError, err)
+		} else {
+			context.Header("Content-Type", "text/xml")
+			context.String(http.StatusOK, twimlResult)
+		}
 	})
 
 	router.Run(":3000")

rest/messages/generate-twiml-sms/generate-twiml-sms.1.x.go

@@ -15,10 +15,13 @@ func main() {
 			Body: "The Robots are coming! Head for the hills!",
 		}
 
-		twimlResult, _ := twiml.Messages([]twiml.Element{message})
-
-		context.Header("Content-Type", "text/xml")
-		context.String(http.StatusOK, twimlResult)
+		twimlResult, err := twiml.Messages([]twiml.Element{message})
+		if err != nil {
+			context.String(http.StatusInternalServerError, err)
+		} else {
+			context.Header("Content-Type", "text/xml")
+			context.String(http.StatusOK, twimlResult)
+		}
 	})
 
 	router.Run(":3000")