#42 Enable reading update info from GitHub Packages REST API

src/blackcore/application.cpp

@@ -159,11 +159,15 @@ namespace BlackCore
             m_setupReader.reset(new CSetupReader(this));
             connect(m_setupReader.data(), &CSetupReader::setupHandlingCompleted, this, &CApplication::onSetupHandlingCompleted, Qt::QueuedConnection);
             connect(m_setupReader.data(), &CSetupReader::setupHandlingCompleted, this, &CApplication::setupHandlingCompleted, Qt::QueuedConnection); // hand thru
-            connect(m_setupReader.data(), &CSetupReader::updateInfoAvailable, this, &CApplication::updateInfoAvailable, Qt::QueuedConnection);
             connect(m_setupReader.data(), &CSetupReader::successfullyReadSharedUrl, m_networkWatchDog, &CNetworkWatchdog::setWorkingSharedUrl, Qt::QueuedConnection);
 
             this->addParserOptions(m_setupReader->getCmdLineOptions()); // add options from reader
 
+            // check for updates
+            m_gitHubPackagesReader.reset(new CGitHubPackagesReader(this));
+            connect(m_gitHubPackagesReader.data(), &CGitHubPackagesReader::updateInfoAvailable, this, &CApplication::updateInfoAvailable, Qt::QueuedConnection);
+            reloadUpdateInfo();
+
             // startup done
             connect(this, &CApplication::startUpCompleted, this, &CApplication::onStartUpCompleted, Qt::QueuedConnection);
             connect(this, &CApplication::coreFacadeStarted, this, &CApplication::onCoreFacadeStarted, Qt::QueuedConnection);
@@ -336,9 +340,15 @@ namespace BlackCore
     CUpdateInfo CApplication::getUpdateInfo() const
     {
         if (m_shutdown) { return CUpdateInfo(); }
-        const CSetupReader *r = m_setupReader.data();
-        if (!r) { return CUpdateInfo(); }
-        return r->getUpdateInfo();
+        if (!m_gitHubPackagesReader) { return CUpdateInfo(); }
+        return m_gitHubPackagesReader->getUpdateInfo();
+    }
+
+    void CApplication::reloadUpdateInfo()
+    {
+        if (m_shutdown) { return; }
+        if (!m_gitHubPackagesReader) { return; }
+        m_gitHubPackagesReader->readUpdateInfo();
     }
 
     CDistribution CApplication::getOwnDistribution() const
@@ -1099,6 +1109,11 @@ namespace BlackCore
             m_webDataServices.reset();
         }
 
+        if (m_gitHubPackagesReader)
+        {
+            m_gitHubPackagesReader.reset();
+        }
+
         if (m_setupReader)
         {
             m_setupReader->gracefulShutdown();

src/blackcore/application.h

@@ -15,6 +15,7 @@
 #include "blackcore/corefacadeconfig.h"
 #include "blackcore/db/databasereaderconfig.h"
 #include "blackcore/data/globalsetup.h"
+#include "blackcore/githubpackagesreader.h"
 #include "blackcore/application/applicationsettings.h"
 #include "blackcore/inputmanager.h"
 #include "blackcore/webreaderflags.h"
@@ -166,9 +167,11 @@ namespace BlackCore
         Data::CGlobalSetup getGlobalSetup() const;
 
         //! Update info
-        //! \threadsafe
         BlackMisc::Db::CUpdateInfo getUpdateInfo() const;
 
+        //! Reload update info
+        void reloadUpdateInfo();
+
         //! Own distribution
         //! \threadsafe
         BlackMisc::Db::CDistribution getOwnDistribution() const;
@@ -714,6 +717,7 @@ namespace BlackCore
         BlackMisc::CApplicationInfo            m_applicationInfo;         //!< Application if specified
         QScopedPointer<CCoreFacade>            m_coreFacade;              //!< core facade if any
         QScopedPointer<CSetupReader>           m_setupReader;             //!< setup reader
+        QScopedPointer<CGitHubPackagesReader>  m_gitHubPackagesReader;    //!< github packages reader
         QScopedPointer<CWebDataServices>       m_webDataServices;         //!< web data services
         QScopedPointer<BlackMisc::CFileLogger> m_fileLogger;              //!< file logger
         QPointer<CCookieManager>               m_cookieManager;           //!< single cookie manager for our access manager

src/blackcore/githubpackagesreader.cpp

@@ -0,0 +1,52 @@
+/* Copyright (C) 2020
+ * swift project community / contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
+ * or distributed except according to the terms contained in the LICENSE file.
+ */
+
+//! \file
+
+#include "githubpackagesreader.h"
+#include "blackcore/application.h"
+#include "blackconfig/buildconfig.h"
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QNetworkReply>
+#include <QStringBuilder>
+#include <QUrl>
+
+using namespace BlackMisc::Db;
+using namespace BlackConfig;
+
+namespace BlackCore
+{
+    CGitHubPackagesReader::CGitHubPackagesReader(QObject *parent) : QObject(parent)
+    {}
+
+    void CGitHubPackagesReader::readUpdateInfo()
+    {
+        // https://docs.github.com/en/rest/reference/repos#releases
+
+        const QNetworkRequest request(QUrl(CBuildConfig::gitHubRepoApiUrl() % u"releases"));
+        auto reply = sApp->getNetworkAccessManager()->get(request);
+        connect(reply, &QNetworkReply::finished, this, [this, reply]
+        {
+            if (reply->error() == QNetworkReply::NoError)
+            {
+                const auto updateInfo = CUpdateInfo::fromGitHubReleasesJson(reply->readAll());
+                if (!updateInfo.isEmpty())
+                {
+                    m_updateInfo.set(updateInfo);
+                }
+            }
+            reply->deleteLater();
+        });
+    }
+
+    CUpdateInfo CGitHubPackagesReader::getUpdateInfo() const
+    {
+        return m_updateInfo.get();
+    }
+}

src/blackcore/githubpackagesreader.h

@@ -0,0 +1,45 @@
+/* Copyright (C) 2020
+ * swift project community / contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution. No part of swift project, including this file, may be copied, modified, propagated,
+ * or distributed except according to the terms contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKCORE_GITHUBPACKAGESREADER_H
+#define BLACKCORE_GITHUBPACKAGESREADER_H
+
+#include "blackmisc/db/updateinfo.h"
+#include <QObject>
+
+namespace BlackCore
+{
+    /*!
+     * Read available updates from GitHub Packages REST API.
+     */
+    class CGitHubPackagesReader : public QObject
+    {
+        Q_OBJECT
+
+    public:
+        //! Constructor.
+        CGitHubPackagesReader(QObject *parent = nullptr);
+
+        //! Read updates from GitHub Packages.
+        void readUpdateInfo();
+
+        //! Get updates cached from previous read.
+        BlackMisc::Db::CUpdateInfo getUpdateInfo() const;
+
+    signals:
+        //! Updates have been received from GitHub Packages.
+        void updateInfoAvailable(bool available);
+
+    private:
+        BlackMisc::CData<BlackMisc::Db::TUpdateInfo> m_updateInfo { this };
+    };
+}
+
+#endif