@PostMapping("/signin")
    public BaseResponse authenticateUser(@Valid @RequestBody LoginRequest loginRequest) {

        Authentication authentication = authenticationManager.authenticate(
                new UsernamePasswordAuthenticationToken(
                        loginRequest.getLogin(),
                        loginRequest.getPassword()
                )
        );

        SecurityContextHolder.getContext().setAuthentication(authentication);

        return new BaseResponse<>(HttpStatus.OK, null, tokenProvider.generateToken(authentication));
    }