[C++] 274 FLTK : ChatGPTアプリの製作 その３ 質問回答履歴表示 JSON

#include <FLstd.h>
#include <cppstd.h>
#include <ChatGPT.h>

using json = nlohmann::json;
extern string requestData;
json jsonData;
Fl_Multiline_Input* input;
Fl_Text_Display* output;
Fl_Input* sysInput;
Fl_Input* jsonInput;
Fl_Browser* browser;
int sendNum;
string startTime;
string jsonFileName;
string systemStr;

void sendCB(Fl_Widget*, void*) {
    // 開始時間取得
    if (sendNum == 0){
        auto now = std::chrono::system_clock::now();
        auto time_t = std::chrono::system_clock::to_time_t(now);
        std::tm tm = *std::localtime(&time_t);

        // 日時を指定されたフォーマットで文字列に変換する
        std::stringstream ss;
        ss << std::put_time(&tm, "%y%m%d_%H%M%S");
        startTime = ss.str();

        sendNum++;
    }

    const char* system = sysInput -> value();
    systemStr = string(system);

    const char* question0 = nullptr;
    question0 = input -> value();
    string question(question0);
    json response = chatWithOpenAI(question);
    string resDump = response.dump();
    cout << resDump << endl;

    string content = response["choices"][0]["message"]["content"].get<string>();
    cout << content << endl;

    while (!content.empty() && content.front() == '\n') {
        content.erase(0, 1);
    }

    size_t pos = 0;
    while ((pos = content.find('"', pos)) != string::npos) {
        content.replace(pos, 1, "\\\"");
        pos += 2;
    }

    pos = 0;
    while ((pos = content.find('\n', pos)) != string::npos) {
        content.replace(pos, 1, "\\n");
        pos += 2;
    }

    string res = R"({"role":"assistant","content":")" + content + R"("})";
    json resJson = json::parse(res);

    jsonData = json::parse(requestData);
    jsonData["messages"].push_back(resJson);

    cout << "回答追加後jsonData: " << jsonData.dump() << endl;

    // jsonファイル化
    jsonFileName = "/Users/[ユーザID]/ChatGPT/" + startTime + "_ChatGPT.json";
    std::ofstream ofs(jsonFileName, std::ios::out | std::ios::trunc);
    ofs << std::setw(2) << jsonData << std::endl;
    ofs.close();

    Fl_Text_Buffer*buffer = new Fl_Text_Buffer();
    buffer -> text(content.c_str());
    output -> buffer(buffer);
    output -> wrap_mode(Fl_Text_Display::WRAP_AT_BOUNDS, 5);

    browser -> load(jsonFileName.c_str());
    int line_num = browser->size();
    browser -> bottomline(line_num);
    browser -> has_scrollbar(Fl_Browser_::BOTH);
}

int main(int argc, char **argv) {
    Fl_Window* window = new Fl_Window (100, 100, 960, 640, "ChatGPT");
    window->color(fl_rgb_color(208,207,207));
	 
    // Question inputLabel
    Fl_Box* inputLabel = new Fl_Box(14,22,26,23,"Ｑ");
    inputLabel->labelsize(18);
    inputLabel->labelcolor(fl_rgb_color(62,66,60));
    inputLabel->align(Fl_Align(FL_ALIGN_INSIDE|FL_ALIGN_LEFT));

    // Question input
    input = new Fl_Multiline_Input(47, 15, 360, 105);
    input->textsize(12);
    // input->wrap_mode(Fl_Multiline_Input::WRAP_AT_BOUNDS, 0); // 折り返し設定

    Fl_Scroll *scroll = new Fl_Scroll(47, 15, 360, 105);
    scroll->end();
    scroll->type(Fl_Scroll::VERTICAL_ALWAYS);
    scroll->scrollbar_size(20);
    scroll->add(input);
    	
    // sendBtn
    Fl_Button* sendBtn = new Fl_Button(420,15,60,40,"送信");
    sendBtn->color(fl_rgb_color(112,128,144));
    sendBtn->labelcolor(fl_rgb_color(208,207,207));
    sendBtn->labelsize(16);
    sendBtn->callback(sendCB);

    // Response
    output = new Fl_Text_Display(19,130,450,500,"Response");
    output->labelcolor(fl_rgb_color(62,66,60));
    output->textsize(12);
    output->align(Fl_Align(FL_ALIGN_TOP_RIGHT));
    output->labelsize(10);

    // Sys設定 sysLabel
    Fl_Box* sysLabel = new Fl_Box(499,22,60,17,"Sys設定");
    sysLabel->labelsize(16);
    sysLabel->labelcolor(fl_rgb_color(62,66,60));
    sysLabel->align(Fl_Align(FL_ALIGN_INSIDE|FL_ALIGN_LEFT));

    // Sys設定 sysInput
    sysInput = new Fl_Input(573, 15, 370, 30);
    sysInput->textsize(12);

    // JSON jsonLabel
    Fl_Box* jsonLabel = new Fl_Box(507,62,44,16,"JSON");
    jsonLabel->labelsize(16);
    jsonLabel->labelcolor(fl_rgb_color(62,66,60));
    jsonLabel->align(Fl_Align(FL_ALIGN_INSIDE|FL_ALIGN_LEFT));

    // JSON jsonInput
    jsonInput = new Fl_Input(573, 55, 335, 30);
    jsonInput->textsize(12);

    // jsonBtn
    Fl_Button* jsonBtn = new Fl_Button(913,60,30,20,"...");
    jsonBtn->color(fl_rgb_color(112,128,144));
    jsonBtn->labelcolor(fl_rgb_color(208,207,207));
    jsonBtn->labelsize(16);
    // jsonBtn->callback(sendCB);

    // Browser
    browser = new Fl_Browser(493, 100, 450, 532);
    browser->textsize(12);
    browser->type(FL_HOLD_BROWSER);

    window->end();  
   	window->show(argc, argv);

   	return Fl::run();
}