Бор DAO и User Entity

src/DAO/MySQLUserDAO.h

@@ -0,0 +1,23 @@
+#include <mysqlx/xdevapi.h>
+
+#include "IUserDAO.h"
+
+namespace uad
+{
+class MySQLUserDAO : public IUserDAO
+{
+  mysqlx::Session& session_;
+public:
+  explicit MySQLUserDAO(mysqlx::Session& session);
+
+  std::string Create(const User& created_user);
+
+  std::optional<User> GetByGUID(std::string guid);
+
+  std::vector<User> GetAll();
+
+  bool Update(const User& u);
+
+  bool Delete(std::string id);
+};
+}