350. Pagination - dkkahm/study-springfamework5 GitHub Wiki

@Repository
public interface UserRepository extends PagingAndSortingRepository<UserEntity, Long> {
    UserEntity findByEmail(String email);
    UserEntity findByUserId(String userId);
}

    @GetMapping
    public List<UserResponse> getUsers(@RequestParam(value = "page", defaultValue = "0") int page,
                                       @RequestParam(value = "limit", defaultValue = "25") int limit) {
        List<UserResponse> returnValue = new ArrayList<>();

        List<UserDto> users = userService.getUsers(page, limit);
        for(UserDto userDto: users) {
            UserResponse userResponse = new UserResponse();
            BeanUtils.copyProperties(userDto, userResponse);
            returnValue.add(userResponse);
        }

        return returnValue;
    }

    @Override
    public List<UserDto> getUsers(int page, int limit) {
        List<UserDto> returnValue = new ArrayList<>();

        Pageable pageableRequest = PageRequest.of(page, limit);

        Page<UserEntity> userPage = userRepository.findAll(pageableRequest);
        List<UserEntity> users = userPage.getContent();
        for(UserEntity userEntity : users) {
            UserDto userDto = new UserDto();
            BeanUtils.copyProperties(userEntity, userDto);
            returnValue.add(userDto);
        }

        return returnValue;
    }