why intent not trigger

[yikeshuyuhen]

the code : 

# define a route for translation

@app.route('/webhook', methods=['POST'])
def webhook():
    req = request.get_json()
    if 'fulfillmentInfo' not in req or 'tag' not in req['fulfillmentInfo']:
        return jsonify({"error": "Invalid request, tag missing"}), 400

    tag = req['fulfillmentInfo']['tag']
    parameters = req.get('sessionInfo', {}).get('parameters', {})  # Correct parameters extraction

    if tag == "TranslateText_fulfillment":
        return handle_translate_request(parameters)
    else:
        return jsonify({"error": "Unknown tag"}), 400

def handle_translate_request(parameters):
    text = parameters.get('textToTranslate')
    language_code = parameters.get('language')
    if not text or not language_code:
        return jsonify({"error": "Missing text or language code"}), 400

    # Check if the language code is valid
    valid_languages = ['en', 'tw', 'gaa', 'ee', 'fat', 'dag', 'gur', 'yo', 'ki', 'luo', 'mer']
    if language_code not in valid_languages:
        return jsonify({"error": "Invalid language code"}), 400

    return translate_text(text, language_code)

def translate_text(text, language_code):
    api_url = "https://translation-api.ghananlp.org/v1/translate"
    headers = {
        'Content-Type': 'application/json',
        'Ocp-Apim-Subscription-Key': TRANSLATION_API_KEY
    }
    payload = {
        "in": text,
        "lang": f"{language_code}-en"  # Assuming translation to English
    }
    try:
        response = requests.post(api_url, json=payload, headers=headers)
        response.raise_for_status()
        response_json = response.json()
        logging.debug(f"API response JSON: {response_json}")

        if isinstance(response_json, str):
            translated_text = response_json
        elif 'translatedText' in response_json:
            translated_text = response_json['translatedText']
        else:
            logging.error("Translation API did not return 'translatedText' or a direct string.")
            return jsonify({"error": "Translation failed"}), 500

        return jsonify({
            "fulfillment_response": {
                "messages": [{
                    "text": {
                        "text": [translated_text]
                    }
                }]
            }
        })
    except requests.exceptions.RequestException as e:
        logging.error(f"Error during translation API request: {e}")
        return jsonify({"error": str(e)}), 500

def test_webhook():
    try:
        # Adjust the test payload to match how Dialogflow CX sends parameters
        test_payload = {
            "fulfillmentInfo": {
                "tag": "TranslateText_fulfillment"
            },
            "sessionInfo": {  # Ensure parameters are nested within sessionInfo
                "parameters": {
                    "textToTranslate": "Hello, how are you?",
                    "language": "tw"
                }
            }
        }

        # Using test_request_context to simulate a POST request
        with app.test_request_context('/webhook', method='POST', json=test_payload):
            response = webhook()
            if isinstance(response, tuple):
                response, status = response  # Handling the tuple response
            else:
                status = 200  # Default status if response isn't a tuple

            # Extracting JSON data from the response
            response_data = response.get_json()
            print(response_data, status)

    except Exception as e:
        print(f"Error during webhook testing: {e}")

[xavidop · Accepted solution]

Hi, you have to add the transition in the translationPage when all the parameters are filled. What I am seeing from your example is that the intent is not being triggered on the start page so this means. This could be cause the entity @sys.language does not contain the languages you are asking: https://cloud.google.com/dialogflow/cx/docs/reference/system-entities

So try to use @sys.any or create a custom entity.

[xavidop]

Hi,

What is the output of the simulator? are you seeing that you are not transitioning to a different page?

for the condition to transition, it should be: 

$page.params.status = "FINAL"

[yikeshuyuhen]

thanks for your reply, I tried to add the condition like in the image, but just did not work. So please make it clearer where I should add this condition. the webhook or the intent not triggered.

[xavidop · Accepted solution]

Hi, you have to add the transition in the translationPage when all the parameters are filled. What I am seeing from your example is that the intent is not being triggered on the start page so this means. This could be cause the entity @sys.language does not contain the languages you are asking: https://cloud.google.com/dialogflow/cx/docs/reference/system-entities

So try to use @sys.any or create a custom entity.

[yikeshuyuhen · Accepted solution]

I already created the entity, this is not my problem, my problem happens when I create the translate Flow but do not connect with the welcome Flow. Thank you all the same, you made me know more about Dialogflow cx, I am pretty new on it, need more practical experience.