added ofd scene, working http server

ofdscene.cpp

@@ -1,5 +1,17 @@
 #include "ofdscene.h"
 #include "ui_ofdscene.h"
+#include "utils/utils.h"
+
+#include <QFileDialog>
+#include <QMessageBox>
+#include <adjustpicturedialog.h>
+#include <httplib.h>
+#include <outputdialog.h>
+#include <solvecaptchadialog.h>
+
+#include <net/net.h>
+
+#include <exceptions/ofdrequestexception.h>
 
 OFDScene::OFDScene(QWidget *parent)
     : QWidget(parent)
@@ -10,3 +22,129 @@ OFDScene::OFDScene(QWidget *parent)
 OFDScene::~OFDScene() {
     delete ui;
 }
+
+void OFDScene::startHttpServer() {
+    std::string localIp = "";
+    try {
+        localIp = get_local_ip_address();
+    } catch(std::exception e) {
+        std::cerr << e.what() << std::endl;
+        return;
+    }
+
+    httplib::Server svr;
+    //TODO: generate random port from 1024 to 65535 and check if its used.
+    svr.Get("/", [&](const httplib::Request &, httplib::Response &res){
+        res.set_redirect("http://"+ localIp +":8080/", 301);
+    });
+
+    svr.listen("0.0.0.0", 8080);
+}
+
+void OFDScene::on_choose_image_button_clicked() {
+    QString filename = QFileDialog::getOpenFileName();
+
+    if (filename == "") {
+        QMessageBox infoDialog;
+        infoDialog.setText(tr("Please, select a picture where QR code that contains info about check is present"));
+        infoDialog.setIcon(QMessageBox::Critical);
+        infoDialog.setWindowTitle(tr("Picture was not selected"));
+        infoDialog.exec();
+        return;
+    }
+
+
+    ui->info_label->setText(tr("Selected image: ") + filename);
+
+    AdjustPictureDialog dialog = AdjustPictureDialog(this, filename.toStdString());
+    connect(&dialog, &AdjustPictureDialog::decodedData, this, &OFDScene::onDataDecode);
+    dialog.exec();
+}
+
+void OFDScene::onDataDecode(std::string data) {
+    std::vector<std::string> dataSplit = split(data, "&");
+
+    ui->fn_line_edit->setText(QString::fromStdString(split(dataSplit[2], "=")[1]));
+    ui->fd_line_edit->setText(QString::fromStdString(split(dataSplit[3], "=")[1]));
+    ui->fi_line_edit->setText(QString::fromStdString(split(dataSplit[4], "=")[1]));
+
+    QString extractedDateTime = QString::fromStdString(split(dataSplit[0], "=")[1]);
+    //TODO: some QRs contain datetime in format yyyyMMddThhmmss. Perhaps there is more different formats, should write function to detect them.
+    QDateTime datetime = QDateTime::fromString(extractedDateTime, "yyyyMMddThhmm");
+    ui->purchase_datetime_edit->setDateTime(datetime);
+
+    int type = std::stoi(split(dataSplit[5], "=")[1]);
+    ui->operation_type_combo_box->setCurrentIndex(type - 1);
+
+    std::string total = split(dataSplit[1], "=")[1];
+
+    ui->total_spin_box->setValue(std::stod(total));
+}
+
+
+void OFDScene::on_parse_button_clicked() {
+    Net net;
+    net.get_captcha_from_ofdru();
+
+    std::string solved_captcha = "";
+    bool success = true;
+    bool is_captcha_solved = true;
+    Check check;
+
+    do {
+        SolveCaptchaDialog dialog = SolveCaptchaDialog(this, &solved_captcha);
+        dialog.exec();
+        is_captcha_solved = true;
+
+        try {
+            std::string check_content = net.fetch_check_data_from_ofdru(
+                ui->fn_line_edit->text().toStdString(),
+                ui->fd_line_edit->text().toStdString(),
+                ui->fi_line_edit->text().toStdString(),
+                ui->purchase_datetime_edit->dateTime().toString(Qt::ISODate).toStdString(),
+                ui->operation_type_combo_box->currentIndex() + 1,
+                // In the request to ofd.ru, total is in a format with 2 last digits represent decimal part of a number.
+                ui->total_spin_box->text().toDouble() * 100,
+                solved_captcha);
+
+            check = parseOfdRuAnswer(check_content);
+        } catch(OfdRequestException e) {
+            success = false;
+            if (!strcmp(e.what(), "Incorrect captcha")) {
+                is_captcha_solved = false;
+                QMessageBox infoDialog;
+                infoDialog.setText(tr("Captcha was not solved correctly!"));
+                infoDialog.setIcon(QMessageBox::Critical);
+                infoDialog.setWindowTitle(tr("Captcha is incorrect"));
+                infoDialog.exec();
+                break;
+            } else if (!strcmp(e.what(), "Internal server error")) {
+                QMessageBox infoDialog;
+                infoDialog.setText(tr("Internal server error. Please, try again later."));
+                infoDialog.setIcon(QMessageBox::Critical);
+                infoDialog.setWindowTitle(tr("Internal server error"));
+                infoDialog.exec();
+                return;
+            } else if (!strcmp(e.what(), "Does not exist")) {
+                QMessageBox infoDialog;
+                infoDialog.setText(tr("Check not found. Please, ensure correctness of entered data."));
+                infoDialog.setIcon(QMessageBox::Critical);
+                infoDialog.setWindowTitle(tr("Check was not found"));
+                infoDialog.exec();
+                return;
+            }
+        }
+    } while (!is_captcha_solved);
+
+    if (success) {
+        OutputDialog d = OutputDialog(this, check);
+        d.exec();
+    }
+
+}
+
+
+void OFDScene::on_binary_eye_button_clicked() {
+
+}
+