From 6df42a1fe3702217dc5342ce8baba68f4c087b77 Mon Sep 17 00:00:00 2001
From: Michael Zanetti <michael_zanetti@gmx.net>
Date: Mon, 20 Feb 2023 12:32:29 +0100
Subject: [PATCH] Add PrivacyPolicyHelper

---
 nymea-app/main.cpp                      |  3 +
 nymea-app/nymea-app.pro                 |  6 +-
 nymea-app/utils/privacypolicyhelper.cpp | 74 +++++++++++++++++++++++++
 nymea-app/utils/privacypolicyhelper.h   | 26 +++++++++
 4 files changed, 107 insertions(+), 2 deletions(-)
 create mode 100644 nymea-app/utils/privacypolicyhelper.cpp
 create mode 100644 nymea-app/utils/privacypolicyhelper.h

diff --git a/nymea-app/main.cpp b/nymea-app/main.cpp
index c883c0b4..bf6e87c5 100644
--- a/nymea-app/main.cpp
+++ b/nymea-app/main.cpp
@@ -52,6 +52,7 @@
 #include "mouseobserver.h"
 #include "configuredhostsmodel.h"
 #include "../config.h"
+#include "utils/privacypolicyhelper.h"
 
 #include "logging.h"
 
@@ -185,6 +186,8 @@ int main(int argc, char *argv[])
     qmlRegisterUncreatableType<DashboardSceneItem>("Nymea", 1, 0, "DashboardSceneItem", "");
     qmlRegisterUncreatableType<DashboardWebViewItem>("Nymea", 1, 0, "DashboardWebViewItem", "");
 
+    qmlRegisterSingletonType<PrivacyPolicyHelper>("NymeaApp.Utils", 1, 0, "PrivacyPolicyHelper", PrivacyPolicyHelper::qmlProvider);
+
     qmlRegisterType<MouseObserver>("Nymea", 1, 0, "MouseObserver");
 
     qmlRegisterType<ConfiguredHostsModel>("Nymea", 1, 0, "ConfiguredHostsModel");
diff --git a/nymea-app/nymea-app.pro b/nymea-app/nymea-app.pro
index d9e7edd2..839a6057 100644
--- a/nymea-app/nymea-app.pro
+++ b/nymea-app/nymea-app.pro
@@ -41,7 +41,8 @@ HEADERS += \
     stylecontroller.h \
     pushnotifications.h \
     platformhelper.h \
-    ruletemplates/messages.h
+    ruletemplates/messages.h \
+    utils/privacypolicyhelper.h
 
 SOURCES += main.cpp \
     configuredhostsmodel.cpp \
@@ -54,7 +55,8 @@ SOURCES += main.cpp \
     stylecontroller.cpp \
     pushnotifications.cpp \
     platformhelper.cpp \
-    platformintegration/generic/screenhelper.cpp
+    platformintegration/generic/screenhelper.cpp \
+    utils/privacypolicyhelper.cpp
 
 RESOURCES += resources.qrc \
     ruletemplates.qrc \
diff --git a/nymea-app/utils/privacypolicyhelper.cpp b/nymea-app/utils/privacypolicyhelper.cpp
new file mode 100644
index 00000000..64bf0373
--- /dev/null
+++ b/nymea-app/utils/privacypolicyhelper.cpp
@@ -0,0 +1,74 @@
+#include "privacypolicyhelper.h"
+
+#include <QDir>
+#include <QFile>
+#include <QtDebug>
+#include <QSettings>
+#include <QCoreApplication>
+#include <QLoggingCategory>
+
+#include "platformhelper.h"
+
+Q_DECLARE_LOGGING_CATEGORY(dcApplication)
+
+PrivacyPolicyHelper::PrivacyPolicyHelper(QObject *parent) : QObject(parent)
+{
+    QDir dir(QString(":/privacypolicy/"));
+    foreach (const QString &versionString, dir.entryList(QDir::NoDotAndDotDot | QDir::Dirs)) {
+        bool ok;
+        int version = versionString.toInt(&ok);
+        if (ok && version > m_version) {
+            m_version = version;
+        }
+    }
+    if (m_version < 0) {
+        qCWarning(dcApplication()) << "Privacy policy directory not found. :/privacypolicy/<version>/ expected.";
+        return;
+    }
+
+    qCDebug(dcApplication()) << "Using privacy policy version" << m_version;
+}
+
+QObject* PrivacyPolicyHelper::qmlProvider(QQmlEngine *engine, QJSEngine *scriptEngine)
+{
+    Q_UNUSED(engine)
+    Q_UNUSED(scriptEngine)
+    static PrivacyPolicyHelper* qmlInstance = nullptr;
+    if (!qmlInstance) {
+        qmlInstance = new PrivacyPolicyHelper();
+    }
+    return qmlInstance;
+}
+
+int PrivacyPolicyHelper::version() const
+{
+    return m_version;
+}
+
+QString PrivacyPolicyHelper::text() const
+{
+    QFile f(findFile());
+    if (!f.open(QFile::ReadOnly)) {
+        qWarning() << "Cannot open privacy policy file for reading:" << f.fileName();
+        return QString();
+    }
+    return f.readAll();
+}
+
+QString PrivacyPolicyHelper::findFile() const
+{
+    QString privacyPolicyFile = QString(":/privacypolicy/%1/privacypolicy-%2.md")
+            .arg(m_version);
+    QStringList languages = {
+        QLocale().name(),
+        QLocale().name().split('_').at(0),
+        "en_US"
+    };
+    foreach (const QString &lang, languages) {
+        qCDebug(dcApplication) << "Trying Privacy policy at" << privacyPolicyFile.arg(lang);
+        if (QFile::exists(privacyPolicyFile.arg(lang))) {
+            return privacyPolicyFile.arg(lang);
+        }
+    }
+    return QString();
+}
diff --git a/nymea-app/utils/privacypolicyhelper.h b/nymea-app/utils/privacypolicyhelper.h
new file mode 100644
index 00000000..60f028b2
--- /dev/null
+++ b/nymea-app/utils/privacypolicyhelper.h
@@ -0,0 +1,26 @@
+#ifndef PRIVACYPOLICYHELPER_H
+#define PRIVACYPOLICYHELPER_H
+
+#include <QObject>
+#include <qqml.h>
+
+class PrivacyPolicyHelper : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(int version READ version CONSTANT)
+    Q_PROPERTY(QString text READ text CONSTANT)
+public:
+    explicit PrivacyPolicyHelper(QObject *parent = nullptr);
+    static QObject *qmlProvider(QQmlEngine *engine, QJSEngine *scriptEngine);
+
+
+    int version() const;
+    QString text() const;
+
+private:
+    QString findFile() const;
+
+    int m_version = -1;
+};
+
+#endif // PRIVACYPOLICYHELPER_H