Put Connection behind QSharedPointer.

In a later stage, we need to store multiple references to shared
`Connection`s.

src/api.cpp

@@ -650,7 +650,7 @@ Liveboard *API::parseLiveboard(QJsonObject json)
 ConnectionListModel* API::parseConnections(QJsonObject json)
 {
     qDebug() << "Parsing connections";
-    QList<Connection*> connectionList;
+    QList<QSharedPointer<Connection>> connectionList;
     QJsonArray connectionArray = json["connection"].toArray();
     QDateTime timestampConnections;
     timestampConnections.setTime_t(json["timestamp"].toString().toInt());
@@ -827,7 +827,7 @@ ConnectionListModel* API::parseConnections(QJsonObject json)
 
         IRail::Occupancy connectionOccupancy = this->parseOccupancy(connectionOccupancyObj["name"].toString());
         // TO DO: enable disturbances and remarks for the whole connection
-        Connection* connection = new Connection(connectionId, fromStop, toStop, fromVehicleId, toVehicleId, disturbancesConnection, remarksConnection, connectionOccupancy, connectionDuration, new ViaListModel(viaList), timestampConnections);
+        QSharedPointer<Connection> connection(new Connection(connectionId, fromStop, toStop, fromVehicleId, toVehicleId, disturbancesConnection, remarksConnection, connectionOccupancy, connectionDuration, new ViaListModel(viaList), timestampConnections));
         connectionList.append(connection);
         qDebug() << "CONNECTION:";
         qDebug() << "\tFrom:" << connection->from()->station()->name();

src/models/connectionlistmodel.cpp

@@ -15,19 +15,15 @@
 *   along with BeRail.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include "connectionlistmodel.h"
+#include <QSharedPointer>
 
-ConnectionListModel::ConnectionListModel(QList<Connection *> connectionList)
+ConnectionListModel::ConnectionListModel(QList<QSharedPointer<Connection>> connectionList)
 {
     this->setConnectionList(connectionList);
 }
 
 ConnectionListModel::~ConnectionListModel()
 {
-    if(!this->connectionList().isEmpty()) {
-        foreach(Connection* item, this->connectionList()) {
-            item->deleteLater();
-        }
-    }
 }
 
 int ConnectionListModel::rowCount(const QModelIndex &) const
@@ -136,12 +132,12 @@ QVariant ConnectionListModel::data(const QModelIndex &index, int role) const
     }
 }
 
-QList<Connection *> ConnectionListModel::connectionList() const
+QList<QSharedPointer<Connection>> ConnectionListModel::connectionList() const
 {
     return m_connectionList;
 }
 
-void ConnectionListModel::setConnectionList(const QList<Connection *> &connectionList)
+void ConnectionListModel::setConnectionList(const QList<QSharedPointer<Connection>> &connectionList)
 {
     m_connectionList = connectionList;
 }

src/models/connectionlistmodel.h

@@ -41,14 +41,14 @@ class ConnectionListModel : public QAbstractListModel
         TimestampRole = Qt::UserRole + 11
     };
 
-    explicit ConnectionListModel(QList<Connection *> connectionList);
+    explicit ConnectionListModel(QList<QSharedPointer<Connection>> connectionList);
     explicit ConnectionListModel();
     ~ConnectionListModel();
 
     virtual int rowCount(const QModelIndex&) const;
     virtual QVariant data(const QModelIndex &index, int role) const;
-    QList<Connection *> connectionList() const;
-    void setConnectionList(const QList<Connection *> &connectionList);
+    QList<QSharedPointer<Connection>> connectionList() const;
+    void setConnectionList(const QList<QSharedPointer<Connection>> &connectionList);
 
     Station *from() const;
     void setFrom(Station *from);
@@ -65,7 +65,7 @@ class ConnectionListModel : public QAbstractListModel
     QHash<int, QByteArray> roleNames() const;
 
 private:
-    QList<Connection *> m_connectionList;
+    QList<QSharedPointer<Connection>> m_connectionList;
     Station* m_from;
     Station* m_to;
     QDateTime m_time;