Import existing sources, this is Day 5 with this app

appsettings.cpp

@@ -0,0 +1,92 @@
+#include "appsettings.h"
+
+#include <algorithm>
+
+std::vector<SavedDevice> AppSettings::getSavedDevices()
+{
+    std::vector<SavedDevice> savedDevices;
+
+    int size = beginReadArray("devices");
+    for (int i = 0; i < size; ++i)
+    {
+        setArrayIndex(i);
+        savedDevices.emplace_back(SavedDevice {
+            .serial = value("serial").toString(),
+            .manufacturer = value("manufacturer").toString(),
+            .deviceType = value("deviceType").toString(),
+            .friendlyName = value("friendlyName").toString(),
+            .password = value("password").toString(),
+        });
+    }
+    endArray();
+
+    return savedDevices;
+}
+
+void AppSettings::saveSavedDevices(const std::vector<SavedDevice> &savedDevices)
+{
+    beginWriteArray("devices");
+    for (qsizetype i = 0; i < savedDevices.size(); ++i) {
+        setArrayIndex(i);
+        setValue("serial", savedDevices.at(i).serial);
+        setValue("manufacturer", savedDevices.at(i).manufacturer);
+        setValue("deviceType", savedDevices.at(i).deviceType);
+        setValue("friendlyName", savedDevices.at(i).friendlyName);
+        setValue("password", savedDevices.at(i).password);
+    }
+    endArray();
+}
+
+void AppSettings::refreshSavedDevice(SavedDevice &&savedDevice)
+{
+    auto savedDevices = getSavedDevices();
+
+    if (auto iter = std::find_if(std::begin(savedDevices), std::end(savedDevices),
+                                 [&serial=savedDevice.serial](const SavedDevice &savedDevice){ return savedDevice.serial == serial; });
+        iter != std::end(savedDevices))
+    {
+        if (savedDevice.password.isEmpty())
+            savedDevice.password = std::move(iter->password);
+        savedDevices.erase(iter);
+    }
+
+    savedDevices.emplace(std::begin(savedDevices), std::move(savedDevice));
+
+    saveSavedDevices(savedDevices);
+}
+
+void AppSettings::removeSavedDevice(const QString &serial)
+{
+    auto savedDevices = getSavedDevices();
+
+    if (auto iter = std::find_if(std::begin(savedDevices), std::end(savedDevices),
+                                 [&serial](const SavedDevice &savedDevice){ return savedDevice.serial == serial; });
+        iter != std::end(savedDevices))
+    {
+        savedDevices.erase(iter);
+    }
+
+    saveSavedDevices(savedDevices);
+}
+
+int AppSettings::numberOfAppInstances() const
+{
+    if (!m_numberOfAppInstances)
+    {
+        bool ok{};
+        int numberOfAppInstances = value("numberOfAppInstances", 1).toInt(&ok);
+        if (!ok)
+            numberOfAppInstances = 1;
+        m_numberOfAppInstances = numberOfAppInstances;
+        return numberOfAppInstances;
+    }
+
+    return *m_numberOfAppInstances;
+}
+
+void AppSettings::setNumberOfAppInstances(int numberOfAppInstances)
+{
+    setValue("numberOfAppInstances", numberOfAppInstances);
+    m_numberOfAppInstances = numberOfAppInstances;
+    emit numberOfAppInstancesChanged(numberOfAppInstances);
+}