List를 DB에 저장하기

뷰단

$.post('/addressbook/excelUpload', JSON.stringify(data), function(result){
		if(result.length) {
        alert('저장되었습니다.');
        $('#btnSearchAddress').click();
        $('#_excelPopup_DialogDiv').modal('hide');
        }else {
        		alert('이미 저장되어 있는 수신자입니다.');
               }
});

Controller

	@RestController
	@RequestMapping("/addressbook")
	@RequiredArgsConstructor
	@Slf4j
    @ResponseBody
    @RequestMapping(value = "/excelUpload", method = RequestMethod.POST)
    public ResponseEntity uploadList(@RequestBody AddressDto addressDto) {
        List<Address> newAddressList = this.addressService.createExcelList(addressDto);
        return new ResponseEntity<>(newAddressList, HttpStatus.OK);
    }

Service

    @Service
    @Slf4j
    @Transactional
    @RequiredArgsConstructor
    public List<Address> createExcelList(AddressDto addressDto) {
        List<Address> newAddressList = new ArrayList<>();
        Group group = addressDto.getGroup();
        addressDto.getAddressList().forEach((addressItem) -> {
            addressItem.setGroup(group);
            if(!addressRepository.existsByPhoneNumberAndReceiverAndGroup(addressItem.getPhoneNumber().replaceAll("-","")
                    , addressItem.getReceiver(), addressItem.getGroup())) {
                addressItem.setPhoneNumber(addressItem.getPhoneNumber().replaceAll("-",""));
                newAddressList.add(Address.of(addressItem));
            }
        });

        return addressRepository.saveAll(newAddressList);
    }

Repository

	@Transactional(readOnly = true)
	public interface AddressRepository extends JpaRepository<Address, Long> {
    boolean existsByPhoneNumberAndReceiverAndGroup(String phoneNumber, String receiver, Group group)
    }