base viewmodel and interactions

sea_transport/viewmodels/usersviewmodel.cpp

@@ -0,0 +1,65 @@
+#include "usersviewmodel.h"
+
+UsersViewModel::UsersViewModel(QObject *parent) : QAbstractTableModel(parent) {
+
+}
+
+int UsersViewModel::rowCount(const QModelIndex & /*parent*/) const {
+    return apparatus::instance()->get_object_subsystem().vessels().size();
+}
+
+int UsersViewModel::columnCount(const QModelIndex & /*parent*/) const {
+    return 3;
+}
+
+QVariant UsersViewModel::headerData(int section, Qt::Orientation orientation, int role) const {
+    if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
+        switch (section) {
+            case 0:
+                return QString("UID");
+            case 1:
+                return QString("Login");
+            case 2:
+                return QString("Role");
+        }
+    }
+    return QVariant();
+}
+
+QVariant UsersViewModel::data(const QModelIndex &index, int role) const {
+    if (role == Qt::DisplayRole) {
+        auto item = apparatus::instance()->get_auth_subsystem().users()[index.row()];
+        int col = index.column();
+
+        switch (col) {
+            case 0:
+                return QString::number(item.id());
+            case 1:
+                return item.login();
+            case 2:
+                QString role = "unknown";
+
+                switch(item.role()) {
+                    case UserRole::ADMINISTRATOR:
+                        role = "Administrator";
+                        break;
+                    case UserRole::DISPATCHER:
+                        role = "Dispatcher";
+                        break;
+                    case UserRole::SKIPPER:
+                        role = "Skipper";
+                        break;
+                }
+
+                return role;
+        }
+
+        return "UNKNOWN FIELD";
+    }
+
+    return QVariant();
+}
+
+void UsersViewModel::update() {
+    this->resetInternalData();
+}

sea_transport/viewmodels/usersviewmodel.h

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+#ifndef USERSVIEWMODEL_H
+#define USERSVIEWMODEL_H
+
+#include "system/apparatus.h"
+
+#include <QAbstractTableModel>
+
+class UsersViewModel : public QAbstractTableModel
+{
+    Q_OBJECT
+public:
+    UsersViewModel(QObject *parent = nullptr);
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
+    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+
+public slots:
+    void update();
+};
+
+#endif // USERSVIEWMODEL_H