* Maintain DataModel for User, Role, Function and UserRole

OrdersManagementDataModel/Services/IUserService.cs

@@ -0,0 +1,15 @@
+using OrdersManagementDataModel.Dtos;
+
+namespace OrdersManagementDataModel.Services;
+
+public interface IUserService
+{
+    Task<IEnumerable<UserDto>> GetUsers();
+    Task<UserDto?> GetUserById(Guid id);
+    Task<UserDto?> GetUserByUsername(string username);
+    Task<int> AddUser(UserDto userDto);
+    Task<int> UpdateUser(UserDto userDto);
+    Task<int> DeleteUser(Guid id);
+    Task<IList<UserRoleDto>> GetUserRoles(Guid userId);
+    Task<UserDto?> GetUserByLoginAndPassword(string login, string password);
+}