OpenAI ChatGPT: Chat

function main() {

////// == Config Retrieving / 工程コンフィグの参照 ==
    const auth = configs.getObject("conf_Auth");   /// REQUIRED
    const model = configs.get('conf_Model');

    // https://platform.openai.com/docs/guides/safety-best-practices
    // Sending end-user IDs in your requests can be a useful tool to help OpenAI monitor and detect abuse.
    const requestUser = "m" + processInstance.getProcessModelInfoId().toString();

    const gptRole = configs.get("conf_GPT_Role");    // NotRequired
    const message1 = configs.get("conf_Message1");    /// REQUIRED
    if (message1 === "") {
        throw new Error("User Message is empty.");
    }

    // const strParams = configs.get("StrConfA2");    // NotRequired
    // const arrParams = strParams !== "" ? strParams.split("\n") : null;
    //
    // const numTemperature = isNaN(parseFloat(arrParams?.[0])) ? 1 : parseFloat(arrParams[0]);
    // const numTopP = isNaN(parseFloat(arrParams?.[1])) ? 1 : parseFloat(arrParams[1]);
    // const numPresPenalty = isNaN(parseFloat(arrParams?.[2])) ? 0 : parseFloat(arrParams[2]);
    // const numFreqPenalty = isNaN(parseFloat(arrParams?.[3])) ? 0 : parseFloat(arrParams[3]);
    //
    // const strBias = configs.get("StrConfA3");    // NotRequired
    // const arrBias = strBias !== "" ? strBias.split("\n") : null;
    // const strChoises = configs.get("StrConfA4");    // NotRequired
    // const numChoises = isNaN(parseInt(strChoises, 10)) ? 1 : parseInt(strChoises, 10);
    // const strLimit = configs.get("StrConfA5");    // NotRequired
    const numLimit = 2048;
    // const strStops = configs.get("StrConfA6");    // NotRequired
    // const arrStops = strStops !== "" ? strStops.split("\n") : null;

    // const numPocketPromptTokens = configs.getObject("SelectConfC1"); // NotRequired
    // const numPocketCompletionTokens = configs.getObject("SelectConfC2"); // NotRequired
    // const numPocketTotalTokens = configs.getObject("SelectConfC3"); // NotRequired


////// == Data Retrieving / ワークフローデータの参照 ==
// (Nothing. Retrieved via Expression Language in Config Retrieving)


////// == Calculating / 演算 ==

//// OpenAI API > Documentation > API REFERENCE > CHAT
//// https://platform.openai.com/docs/api-reference/chat

/// prepare json
    const requestJson = {
        model,
        messages: []
    };
    if (gptRole !== "") {
        requestJson.messages.push({
            role: 'system',
            content: gptRole
        });
    }
    // if (strLogPro1 !== "" && strLogCom1 !== "") {
    //     let objLogPro = {};
    //     objLogPro.role = "user";
    //     objLogPro.content = strLogPro1;
    //     requestJson.messages.push(objLogPro);
    //     let objLogCom = {};
    //     objLogCom.role = "assistant";
    //     objLogCom.content = strLogCom1;
    //     requestJson.messages.push(objLogCom);
    // }
    requestJson.messages.push({
        role: "user",
        content: message1
    });

    // if (arrParams?.[0] !== "") {
    //     requestJson.temperature = numTemperature;
    // }
    // if (arrParams?.[1] !== "") {
    //     requestJson.top_p = numTopP;
    // }
    // if (arrParams?.[2] !== "") {
    //     requestJson.presence_penalty = numPresPenalty;
    // }
    // if (arrParams?.[3] !== "") {
    //     requestJson.frequency_penalty = numFreqPenalty;
    // }

    requestJson.n = 1;
    requestJson.max_tokens = numLimit;
    requestJson.user = requestUser;
    // if (arrStops !== null) {
    //     requestJson.stop = [];
    //     for (let i = 0; i < arrStops.length; i++) {
    //         if (arrStops[i] === "- - -") {
    //             requestJson.stop.push("\n");
    //         } else {
    //             requestJson.stop.push(arrStops[i]);
    //         }
    //     }
    // }
    // if (arrBias !== null) {
    //     requestJson.logit_bias = {};
    //     for (let i = 0; i < arrBias.length; i++) {
    //         let arrNumParts = arrBias[i].match(/-?\d+/g); // numbers (including with minus signs)
    //         if (arrNumParts.length >= 2) {
    //             requestJson.logit_bias[arrNumParts[0]] = Number(arrNumParts[1]);
    //         }
    //     }
    // }

    const response = httpClient.begin().authSetting(auth)
        .body(JSON.stringify(requestJson), "application/json")
        .post("https://api.openai.com/v1/chat/completions");

    const responseCode = response.getStatusCode();
    const responseBody = response.getResponseAsString();
    engine.log(responseBody);
    if (responseCode !== 200) {
        throw new Error(`Failed to request. status: ${responseCode}`);
    }
    const responseJson = JSON.parse(responseBody);

    saveData('conf_Answer1', responseJson.choices[0].message.content ?? '');

    // if (numPocketPromptTokens !== null) {
    //     engine.setData(numPocketPromptTokens, new java.math.BigDecimal(
    //         responseJson.usage.prompt_tokens ?? 0
    //     ));
    // }
    // if (numPocketCompletionTokens !== null) {
    //     engine.setData(numPocketCompletionTokens, new java.math.BigDecimal(
    //         responseJson.usage.completion_tokens ?? 0
    //     ));
    // }
    // if (numPocketTotalTokens !== null) {
    //     engine.setData(numPocketTotalTokens, new java.math.BigDecimal(
    //         responseJson.usage.total_tokens ?? 0
    //     ));
    // }
}

/**
 * データ項目への保存
 * @param configName
 * @param data
 */
const saveData = (configName, data) => {
    const def = configs.getObject(configName);
    if (def === null) {
        return;
    }
    engine.setData(def, data);
};