checkpoint: manage parsing, persistence, mainwindow structure

sessionslistmodel.cpp

@@ -0,0 +1,34 @@
+#include "sessionslistmodel.h"
+
+SessionsListModel::SessionsListModel(Service *service, QObject *parent)
+    : QAbstractListModel{parent}, m_service(service)
+{
+  connect(m_service, &Service::sessionsChanged, this, [this]() {
+    beginResetModel();
+    endResetModel();
+  });
+}
+
+int SessionsListModel::rowCount(const QModelIndex &parent) const {
+  return m_service->sessions().size();
+}
+
+int SessionsListModel::columnCount(const QModelIndex &parent) const {
+  return 1;
+}
+
+QVariant SessionsListModel::data(const QModelIndex &index, int role) const {
+  if (index.row() < 0 || index.row() >= rowCount()) {
+    return QVariant();
+  } else if (!index.isValid()) {
+    return QVariant();
+  }
+
+  const Session session = m_service->sessions().at(index.row());
+  switch (role) {
+    case Qt::DisplayRole:
+      return session.oneliner;
+    default:
+      return QVariant();
+  }
+}