added Updater

CMakeLists.txt

@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.5)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-project(rrt CXX)
+project(rrt LANGUAGES CXX VERSION 0.1.0)
 
 set(BUILD_SHARED_LIBS TRUE)
 
@@ -13,6 +13,9 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/a")
 
+
+configure_file(src/version.h.in ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}/version.h)
+
 set(Boost_USE_STATIC_LIBS OFF)
 set(Boost_USE_MULTITHREADED ON)
 set(Boost_USE_STATIC_RUNTIME OFF)

src/gui/CMakeLists.txt

@@ -4,7 +4,7 @@ set(CMAKE_AUTOUIC ON)
 
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 
-find_package(Qt5 COMPONENTS Widgets LinguistTools REQUIRED)
+find_package(Qt5 COMPONENTS Widgets LinguistTools Network REQUIRED)
 
 set(SRC
     main.cpp
@@ -27,6 +27,8 @@ set(SRC
     xmltreebuttons.cpp
     xmltreesortfilterproxymodel.h
     xmltreesortfilterproxymodel.cpp
+    updater.h
+    updater.cpp
     typedefs.h
 )
 
@@ -52,9 +54,11 @@ target_link_libraries(rrt
     xml
     Qt5::Widgets
     Boost::log
+    Qt5::Network
 )
 
 target_include_directories(rrt PUBLIC
     ../
     ${Boost_INCLUDE_DIRS}
+    ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY}
 )

src/gui/mainwindow.cpp

@@ -10,9 +10,13 @@
 #include <QStatusBar>
 #include <QVBoxLayout>
 #include <boost/log/trivial.hpp>
+#include "updater.h"
 #include "xmltreeview.h"
 
 MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent) {
+  auto updater = new Updater();
+  updater->startUpdateQuery();
+
   setWindowIcon(QIcon(":/icons/rrt.png"));
   setWindowTitle("Rosreestr Tools");
 

src/gui/updater.cpp

@@ -0,0 +1,73 @@
+#include "updater.h"
+
+#include <QDesktopServices>
+#include <QMessageBox>
+#include <QObject>
+#include <QUrl>
+#include <QVersionNumber>
+#include <QtNetwork/QNetworkAccessManager>
+#include <QtNetwork/QNetworkReply>
+#include <QtNetwork/QNetworkRequest>
+#include "version.h"
+
+Updater::Updater(QObject* parent) : QObject(parent) {}
+
+void Updater::startUpdateQuery() {
+  manager = new QNetworkAccessManager(this);
+  QNetworkRequest request;
+  QUrl url("https://api.github.com/repos/Niakr1s/rrt/releases/latest");
+  request.setUrl(url);
+  QNetworkReply* reply = manager->get(request);
+  connect(reply, &QNetworkReply::finished, this,
+          &Updater::onUpdateQueryFinished);
+}
+
+void Updater::onUpdateQueryFinished() {
+  QNetworkReply* reply = qobject_cast<QNetworkReply*>(QObject::sender());
+  if (reply->error() != QNetworkReply::NoError) {
+    qDebug() << "MainWindow::onUpdateQueryFinished error: "
+             << reply->errorString();
+    return;
+  }
+  reply->deleteLater();
+  auto json = QJsonDocument::fromJson(reply->readAll());
+  parseJson(json);
+}
+
+void Updater::parseJson(const QJsonDocument json) {
+  auto netVer = json["tag_name"].toString();
+  if (netVer.isNull()) {
+    qDebug() << "Updater::parseJson: tag_name is empty";
+    return;
+  }
+  while (netVer[0].isLetter()) {
+    netVer.remove(0, 1);
+  }
+  auto netVerVec = netVer.split(".");
+  QVersionNumber netVerNum(netVerVec[0].toInt(), netVerVec[1].toInt(),
+                           netVerVec[2].toInt());
+  QVersionNumber localVerNum(std::stoi(PROJECT_VER_MAJOR),
+                             std::stoi(PROJECT_VER_MINOR),
+                             std::stoi(PROJECT_VER_PATCH));
+  qDebug() << "Updater::parseJson: got versions: local = " << localVerNum
+           << ", net = " << netVerNum;
+  if (netVerNum > localVerNum) {
+    showUpdateNotification(json["html_url"].toString());
+  }
+}
+
+void Updater::showUpdateNotification(const QString& updateUrl) {
+  auto msg = new QMessageBox();
+  msg->setWindowTitle(tr("Got new update!"));
+  msg->setText(QString("<div>%1 <a href=%2>%3</a> %4</div>")
+                   .arg(tr("Please, visit"))
+                   .arg(updateUrl)
+                   .arg("github")
+                   .arg(tr("to update")));
+  msg->setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+
+  if (auto btn = msg->exec(); btn == QMessageBox::Ok) {
+    QDesktopServices::openUrl(QUrl(updateUrl));
+  }
+  delete msg;
+}

src/gui/updater.h

@@ -0,0 +1,27 @@
+#ifndef UPDATER_H
+#define UPDATER_H
+
+#include <QJsonDocument>
+#include <QNetworkAccessManager>
+#include <QObject>
+
+class Updater : public QObject {
+  Q_OBJECT
+
+ public:
+  Updater(QObject* parent = nullptr);
+  virtual ~Updater() {}
+
+  void startUpdateQuery();
+
+ public slots:
+  void onUpdateQueryFinished();
+
+ private:
+  QNetworkAccessManager* manager;
+
+  void parseJson(const QJsonDocument json);
+  void showUpdateNotification(const QString& updateUrl);
+};
+
+#endif  // UPDATER_H

src/version.h.in

@@ -0,0 +1,10 @@
+#ifndef VERSION_H
+#define VERSION_H
+
+#define PROJECT_NAME "@PROJECT_NAME@"
+#define PROJECT_VER "@PROJECT_VERSION@"
+#define PROJECT_VER_MAJOR "@PROJECT_VERSION_MAJOR@"
+#define PROJECT_VER_MINOR "@PROJECT_VERSION_MINOR@"
+#define PROJECT_VER_PATCH "@PROJECT_VERSION_PATCH@"
+
+#endif  // VERSION_H