🪞 make to be able to show status code

main.go

@@ -126,6 +126,33 @@ func Translate(Text string, setting Setting) ([]string, error) {
 		return results, err
 	}
 
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		var data map[string]interface{}
+		errors := map[int]string{
+			400: "Bad request. Please check error message and your parameters.",
+			403: "Authorization failed. Please supply a valid auth_key parameter.",
+			404: "The requested resource could not be found.",
+			413: "The request size exceeds the limit.",
+			414: "The request URL is too long. You can avoid this error by using a POST request instead of a GET request, and sending the parameters in the HTTP body.",
+			429: "Too many requests. Please wait and resend your request.",
+			456: "Quota exceeded. The character limit has been reached.",
+			503: "Resource currently unavailable. Try again later.",
+			529: "Too many requests. Please wait and resend your request.",
+		} // this from https://www.deepl.com/docs-api/accessing-the-api/error-handling/
+		e := json.NewDecoder(resp.Body).Decode(&data)
+		baseErrorText := fmt.Sprintf("Invalid response [%d %s]",
+			resp.StatusCode,
+			http.StatusText(resp.StatusCode))
+		if t, ok := errors[resp.StatusCode]; ok {
+			baseErrorText += fmt.Sprintf(" %s", t)
+		}
+		if e != nil {
+			return results, fmt.Errorf("%s", baseErrorText)
+		} else {
+			return results, fmt.Errorf("%s, %s", baseErrorText, data["message"])
+		}
+	}
+
 	translateResponse, err := ParseResponse(resp)
 	if err != nil {
 		return []string{}, err