Бор DAO и User Entity

src/DAO/IUserDAO.h

@@ -0,0 +1,24 @@
+#include <cstdint>
+#include <vector>
+#include <optional>
+
+#include "../entities/User.h"
+
+namespace uad
+{
+class IUserDAO
+{
+public:
+  virtual std::string Create(const User& created_user) = 0;
+
+  virtual std::optional<User> GetByGUID(std::string guid) = 0;
+
+  virtual std::vector<User> GetAll() = 0;
+
+  virtual bool Update(const User& u) = 0;
+
+  virtual bool Delete(std::string id) = 0;
+
+  virtual ~IUserDAO() = default;
+};
+}