Pass db instance to models. Pass models to QML.

src/db/sqlservicerecord.cpp

@@ -18,7 +18,7 @@
 #include "sqlservicerecord.h"
 #include <QSqlRecord>
 
-SqlServiceRecord::SqlServiceRecord(QObject* parent)
+SqlServiceRecord::SqlServiceRecord(QObject* parent, QSqlDatabase db) : QSqlTableModel(parent, db)
 {
     setTable("records");
 }

src/db/sqlservicerecord.h

@@ -27,7 +27,7 @@ class SqlServiceRecord : public QSqlTableModel
 {
     Q_OBJECT
 public:
-    explicit SqlServiceRecord(QObject *parent);
+    explicit SqlServiceRecord(QObject *parent = nullptr, QSqlDatabase db = QSqlDatabase());
     QHash<int, QByteArray> roleNames() const override;
     QVariant data(const QModelIndex &index, int role) const override;
 

src/db/sqlvehicle.cpp

@@ -18,7 +18,7 @@
 #include "sqlvehicle.h"
 #include <QSqlRecord>
 
-SqlVehicle::SqlVehicle(QObject* parent)
+SqlVehicle::SqlVehicle(QObject* parent, QSqlDatabase db) : QSqlTableModel(parent, db)
 {
     setTable("vehicles");
 }

src/db/sqlvehicle.h

@@ -27,7 +27,7 @@ class SqlVehicle : public QSqlTableModel
 {
     Q_OBJECT
 public:
-    explicit SqlVehicle(QObject *parent);
+    explicit SqlVehicle(QObject *parent = nullptr, QSqlDatabase db = QSqlDatabase());
     QHash<int, QByteArray> roleNames() const override;
     QVariant data(const QModelIndex &index, int role) const override;
     

src/main.cpp

@@ -27,6 +27,8 @@
 #include <QDebug>
 #include <QSqlQuery>
 #include <QQmlContext>
+#include "db/sqlvehicle.h"
+#include "db/sqlservicerecord.h"
 
 Q_DECL_EXPORT int main(int argc, char *argv[])
 {
@@ -67,8 +69,13 @@ Q_DECL_EXPORT int main(int argc, char *argv[])
         return -2;
     }
     
+    SqlVehicle vehicles(nullptr, db);
+    SqlServiceRecord records(nullptr, db);
+    
     QQmlApplicationEngine engine;
     engine.rootContext()->setContextProperty(QStringLiteral("appAboutData"), QVariant::fromValue(aboutData));
+    engine.rootContext()->setContextProperty(QStringLiteral("vehicleModel"), &vehicles);
+    engine.rootContext()->setContextProperty(QStringLiteral("recordModel"), &records);
     engine.load(QUrl(QStringLiteral("qrc:///main.qml")));
     
     if (engine.rootObjects().isEmpty()) {