From 5012620a2ffbd9ac5c2b7c53671886d54c91a408 Mon Sep 17 00:00:00 2001
From: Richard Ramos <info@richardramos.me>
Date: Mon, 23 Nov 2020 10:20:53 -0400
Subject: [PATCH] Creating a cache for network requests

---
 lib/include/DOtherSide/DOtherSide.h      |  4 +++
 lib/include/DOtherSide/DOtherSideTypes.h |  2 ++
 lib/src/DOtherSide.cpp                   | 45 ++++++++++++++++++++++++
 3 files changed, 51 insertions(+)

diff --git a/lib/include/DOtherSide/DOtherSide.h b/lib/include/DOtherSide/DOtherSide.h
index 35a077e..d690961 100644
--- a/lib/include/DOtherSide/DOtherSide.h
+++ b/lib/include/DOtherSide/DOtherSide.h
@@ -139,11 +139,15 @@ DOS_API void DOS_CALL dos_qapplication_delete(void);
 /// \note The returned QQmlApplicationEngine should be freed by using dos_qqmlapplicationengine_delete(DosQQmlApplicationEngine*)
 DOS_API DosQQmlApplicationEngine *DOS_CALL dos_qqmlapplicationengine_create(void);
 
+DOS_API DosQQmlNetworkAccessManagerFactory *DOS_CALL dos_qqmlnetworkaccessmanagerfactory_create(const char* tmpPath);
+
 /// \brief Calls the QQmlApplicationEngine::load function
 /// \param vptr The QQmlApplicationEngine
 /// \param filename The file to load. The file is relative to the directory that contains the application executable
 DOS_API void DOS_CALL dos_qqmlapplicationengine_load(DosQQmlApplicationEngine *vptr, const char *filename);
 
+DOS_API void DOS_CALL dos_qqmlapplicationengine_setNetworkAccessManagerFactory(DosQQmlApplicationEngine *vptr, DosQQmlNetworkAccessManagerFactory *factory);
+
 /// \brief Calls the QQmlApplicationEngine::load function
 /// \param vptr The QQmlApplicationEngine
 /// \param url The QUrl of the file to load
diff --git a/lib/include/DOtherSide/DOtherSideTypes.h b/lib/include/DOtherSide/DOtherSideTypes.h
index a0febdb..8411301 100644
--- a/lib/include/DOtherSide/DOtherSideTypes.h
+++ b/lib/include/DOtherSide/DOtherSideTypes.h
@@ -77,6 +77,8 @@ typedef void DosQUrl;
 /// A pointer to a QNetworkConfigurationManager
 typedef void DosQNetworkConfigurationManager;
 
+typedef void DosQQmlNetworkAccessManagerFactory;
+
 /// A pointer to a QMetaObject
 typedef void DosQMetaObject;
 
diff --git a/lib/src/DOtherSide.cpp b/lib/src/DOtherSide.cpp
index 5d8967e..420cb70 100644
--- a/lib/src/DOtherSide.cpp
+++ b/lib/src/DOtherSide.cpp
@@ -26,10 +26,13 @@
 #include <QtCore/QModelIndex>
 #include <QtCore/QHash>
 #include <QtCore/QResource>
+#include <QtNetwork/QNetworkAccessManager>
+#include <QtNetwork/QNetworkDiskCache>
 #include <QtNetwork/QNetworkConfigurationManager>
 #include <QtGui/QGuiApplication>
 #include <QtGui/QIcon>
 #include <QtQml/QQmlContext>
+#include <QtQml/QQmlNetworkAccessManagerFactory>
 #include <QtCore>
 #include <QClipboard>
 #include <QtGui/QPixmap>
@@ -67,6 +70,35 @@ void register_meta_types()
 // jrainville: I'm not sure where to put this, but it works like so
 QTranslator *m_translator = new QTranslator();
 
+class QMLNetworkAccessFactory : public QQmlNetworkAccessManagerFactory
+{
+    public:
+        static QString tmpPath;
+
+        QMLNetworkAccessFactory()
+        : QQmlNetworkAccessManagerFactory()
+        {
+           
+        }
+
+        QNetworkAccessManager* create(QObject* parent);
+
+        void setTmpPath(const char* path);
+};
+
+QString QMLNetworkAccessFactory::tmpPath = ""; 
+
+QNetworkAccessManager* QMLNetworkAccessFactory::create(QObject* parent)
+{
+    QNetworkAccessManager* manager = new QNetworkAccessManager(parent);
+    QNetworkDiskCache* cache = new QNetworkDiskCache(manager);
+    qDebug() << "Network Cache Dir: " << QMLNetworkAccessFactory::tmpPath ;
+    cache->setCacheDirectory(QMLNetworkAccessFactory::tmpPath);
+    manager->setCache(cache);
+    return manager;
+}
+
+
 char *convert_to_cstring(const QByteArray &array)
 {
     return qstrdup(array.data());
@@ -158,6 +190,19 @@ void dos_qapplication_quit()
     return new QQmlApplicationEngine();
 }
 
+::DosQQmlNetworkAccessManagerFactory *dos_qqmlnetworkaccessmanagerfactory_create(const char* tmpPath)
+{
+    QMLNetworkAccessFactory::tmpPath = tmpPath; 
+    return new QMLNetworkAccessFactory();
+}
+
+void dos_qqmlapplicationengine_setNetworkAccessManagerFactory(::DosQQmlApplicationEngine *vptr, ::DosQQmlNetworkAccessManagerFactory *factory)
+{
+    auto engine = static_cast<QQmlApplicationEngine *>(vptr);
+    auto namFactory = static_cast<QMLNetworkAccessFactory *>(factory);
+    engine->setNetworkAccessManagerFactory(namFactory);
+}
+
 void dos_qqmlapplicationengine_load(::DosQQmlApplicationEngine *vptr, const char *filename)
 {
     auto engine = static_cast<QQmlApplicationEngine *>(vptr);