Add registration dialog and bare-minimum auth

iFacility/registrationdialog.h

@@ -0,0 +1,37 @@
+#ifndef REGISTRATIONDIALOG_H
+#define REGISTRATIONDIALOG_H
+
+#include <QDialog>
+#include <QInputDialog>
+#include <QMessageBox>
+
+#include "objects/user.h"
+#include "viewmodels/userprofessionviewmodel.h"
+
+namespace Ui { class RegistrationDialog; }
+
+class RegistrationDialog : public QDialog {
+private:
+    Q_OBJECT
+
+    Ui::RegistrationDialog *ui;
+    UserProfessionViewModel *upvm;
+    User *user = nullptr;
+    bool mEditMode = false;
+
+public:
+    explicit RegistrationDialog(QWidget *parent = nullptr);
+    ~RegistrationDialog();
+
+    void lockUserType(UserType type);
+    void setUser(User *usr);
+    void setEditMode(bool editMode);
+
+public slots:
+    void accept() Q_DECL_OVERRIDE;
+
+    void addNewProfession();
+    void removeOldProfession();
+};
+
+#endif // REGISTRATIONDIALOG_H