From 7eca67910e9e25b7015eeb5db1378c473f35bc51 Mon Sep 17 00:00:00 2001
From: Dominik Chrastecky <dominik@chrastecky.cz>
Date: Fri, 4 Sep 2020 19:57:21 +0200
Subject: [PATCH] check for new version

---
 main.cpp              |  7 +++++++
 newversionchecker.cpp | 33 +++++++++++++++++++++++++++++++++
 newversionchecker.h   | 22 ++++++++++++++++++++++
 pwa-to-twa.pro        |  2 ++
 4 files changed, 64 insertions(+)
 create mode 100644 newversionchecker.cpp
 create mode 100644 newversionchecker.h

diff --git a/main.cpp b/main.cpp
index 572bd71..6f6bb90 100644
--- a/main.cpp
+++ b/main.cpp
@@ -6,6 +6,7 @@
 #include "websiteparser.h"
 #include "androidprojectmodifier.h"
 #include "coloredstring.h"
+#include "newversionchecker.h"
 
 int main(int argc, char *argv[])
 {
@@ -13,6 +14,12 @@ int main(int argc, char *argv[])
     try {
         QCoreApplication app(argc, argv);
 
+        NewVersionChecker newVersionChecker;
+
+        if (newVersionChecker.isNewVersionAvailable()) {
+            io.writeError(ColoredString("<green>New version available at https://github.com/RikudouSage/PwaToTwa/releases/latest</green>"));
+        }
+
         if (app.arguments().count() < 4 || app.arguments().contains("--help")) {
             const auto binaryName = app.arguments().at(0);
 
diff --git a/newversionchecker.cpp b/newversionchecker.cpp
new file mode 100644
index 0000000..50cfa83
--- /dev/null
+++ b/newversionchecker.cpp
@@ -0,0 +1,33 @@
+#include "newversionchecker.h"
+
+NewVersionChecker::NewVersionChecker()
+{
+
+}
+
+bool NewVersionChecker::isNewVersionAvailable()
+{
+    return latestVersion() > currentVersion();
+}
+
+QVersionNumber NewVersionChecker::currentVersion()
+{
+    return QVersionNumber::fromString("0.0.14");
+}
+
+QVersionNumber NewVersionChecker::latestVersion()
+{
+    QNetworkAccessManager manager;
+    QNetworkRequest request(QUrl("https://github.com/RikudouSage/PwaToTwa/releases/latest"));
+    QEventLoop loop;
+
+    QObject::connect(&manager, &QNetworkAccessManager::finished, &loop, &QEventLoop::quit);
+
+    auto reply = manager.get(request);
+    loop.exec();
+
+    auto locationHeader = reply->header(QNetworkRequest::KnownHeaders::LocationHeader);
+    delete reply;
+
+    return QVersionNumber::fromString(locationHeader.toUrl().path().toUtf8().split('/').last().replace('v', ""));
+}
diff --git a/newversionchecker.h b/newversionchecker.h
new file mode 100644
index 0000000..aeff977
--- /dev/null
+++ b/newversionchecker.h
@@ -0,0 +1,22 @@
+#ifndef NEWVERSIONCHECKER_H
+#define NEWVERSIONCHECKER_H
+
+#include <QVersionNumber>
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QEventLoop>
+#include <QObject>
+#include <QNetworkReply>
+
+class NewVersionChecker
+{
+public:
+    NewVersionChecker();
+    bool isNewVersionAvailable();
+
+private:
+    QVersionNumber currentVersion();
+    QVersionNumber latestVersion();
+};
+
+#endif // NEWVERSIONCHECKER_H
diff --git a/pwa-to-twa.pro b/pwa-to-twa.pro
index ffc55fc..1bb9c59 100644
--- a/pwa-to-twa.pro
+++ b/pwa-to-twa.pro
@@ -28,6 +28,7 @@ SOURCES += \
         githelper.cpp \
         inputoutput.cpp \
         main.cpp \
+        newversionchecker.cpp \
         websiteparser.cpp
 
 # Default rules for deployment.
@@ -40,4 +41,5 @@ HEADERS += \
     coloredstring.h \
     githelper.h \
     inputoutput.h \
+    newversionchecker.h \
     websiteparser.h