$$config title: 도서 구매 및 리더북 서비스(Book U Luv) keywords: - IT - React - Spring Boot - Rest API - MariaDB - JPA - Javascript - Java - JQuery - Jenkins - Docker $$

최종 프로젝트 Book U Luv팀 기술서

\> 도서 구매 및 리더북 서비스 \> 신간 도서와 베스트셀러를 확인할 수 있고\, 원하는 도서를 검색할 수 있습니다\. \> 찾은 도서를 구매하고 다운로드해 리더기를 통해 읽어볼 수 있습니다\.

프로젝트 산출물

\* \[수행 계획서\]$https://to2\.kr/eF5$ \* \[요구사항 정의서\]$https://to2\.kr/eF6$ \* \[사용자 화면 정의서$UI/UX$\]$https://to2\.kr/eF8$ \* \[DB 설계 자료\]$https://wiken\.io/ken/12859$ 진행 기간: 2023.08.01 \~ 2023.08.29

? 팀원

고우영(팀장) \|

박창규 \|

황인성\| \-\-\-\-\-\-\-\- \| \-\-\-\- \| \-\-\-\- \| \|| | |

## 목차 * [? 배포 링크](#-%EB%B0%B0%ED%8F%AC-%EB%A7%81%ED%81%AC) * [? 사전 선발 과제](#-%EC%82%AC%EC%A0%84-%EC%84%A0%EB%B0%9C-%EA%B3%BC%EC%A0%9C) * [브랜치 전략](#%EB%B8%8C%EB%9E%9C%EC%B9%98-%EC%A0%84%EB%9E%B5) * [커밋 메시지 컨벤션](#%EC%BB%A4%EB%B0%8B-%EB%A9%94%EC%8B%9C%EC%A7%80-%EC%BB%A8%EB%B2%A4%EC%85%98) * [? 팀 규칙](#-%ED%8C%80-%EA%B7%9C%EC%B9%99) * [? 폴더 구조](#-%ED%8F%B4%EB%8D%94-%EA%B5%AC%EC%A1%B0) * [? 구현미리보기](#-%EA%B5%AC%ED%98%84%EB%AF%B8%EB%A6%AC%EB%B3%B4%EA%B8%B0) ## ? 배포 링크 [Book U Luv 배포주소 : https://www.bookuluv.devh.me](https://www.bookuluv.devh.me) ## ? Book U Luv | 팀원이름 | GitHub Repository | | ---- | ----------------- | | book\_u\_luv | [Book U Luv(Back)](https://github.com/cojar/book_u_luv) | | book\_u\_luv\_reader | [book_u_luv_reader(React)](https://github.com/cojar/book_u_luv_reader) | | 고우영 | [wooyoung0407](https://github.com/wooyoung0407?tab=repositories) | | 박창규 | [kael0595](https://github.com/kael0595?tab=repositories) | | 황인성 | [insung5189](https://github.com/insung5189?tab=repositories) | ## ? 협업 Tool ### Trello ![Trello](https://i.imgur.com/YFBpG2s.jpg)

## ? 구현미리보기 ### Book U Luv 1. Book U Luv * 도서 구매 * 리더북 서비스 ### Book U Luv 페이지 구현 설명 *** ### ? 메인페이지 * 가장 최근에 올린 신간, 베스트셀러가 5개씩 나와있고, 검색도 가능하다. 1. 구현이미지 ![메인페이지](https://i.imgur.com/k45WvvM.png) 2. 코드내용 ```java @Controller @RequiredArgsConstructor public class MainController { private final MemberService memberService; private final ProductService productService; @GetMapping("/") public String root(Model model, Principal principal) { List newBooks = productService.getNewBooks(); List bestsellers = productService.getBestsellers(); model.addAttribute("newBooks", newBooks); // 'books' 대신 'newBooks'로 변경 model.addAttribute("bestsellers", bestsellers); // 'books' 대신 'bestsellers'로 변경 if (principal != null) { Member member = this.memberService.getUser(principal.getName()); model.addAttribute("member", member); model.addAttribute("userImg", member.getImgFilePath()); return "main"; } return "main"; } } ``` ```java @Service @RequiredArgsConstructor public class ProductService { private final RestTemplate restTemplate; private final OAuth2AuthorizedClientService clientService; @Value("${spring.aladin.api.key}") private String apiKey; private final String searchUrl = "http://www.aladdin.co.kr/ttb/api/ItemSearch.aspx"; private final String listUrl = "http://www.aladin.co.kr/ttb/api/ItemList.aspx"; public List searchBooks(String query) { String url = buildSearchUrl("Keyword", query); return getBooksFromApi(url); } public List getNewBooks() { String url = buildListUrl("ItemNewAll"); return getBooksFromApi(url); } public List getBestsellers() { String url = buildListUrl("Bestseller"); return getBooksFromApi(url); } private String buildSearchUrl(String queryType, String query) { return searchUrl + "?ttbkey=" + apiKey + "&QueryType=" + queryType + "&MaxResults=10" + "&start=1" + "&SearchTarget=Book" + "&output=js" + "&Version=20131101" + (query != null ? "&Query=" + query : "") + "&CategoryId=0"; } private String buildListUrl(String queryType) { return listUrl + "?ttbkey=" + apiKey + "&QueryType=" + queryType + "&MaxResults=10" + "&start=1" + "&SearchTarget=Book" + "&output=js" + "&Version=20131101"; } private List getBooksFromApi(String url) { ResponseEntity responseEntity = restTemplate.getForEntity(url, String.class); String responseBody = responseEntity.getBody(); System.out.println(responseBody); ArrayList results = new ArrayList<>(); if (responseBody != null) { JSONObject responseJson = new JSONObject(responseBody); JSONArray items = responseJson.optJSONArray("item"); if (items != null) { for (int i = 0; i < items.length(); i++) { JSONObject item = items.getJSONObject(i); ProductDto result = new ProductDto(); result.setCoverImg(item.optString("cover")); result.setTitle(item.optString("title")); result.setLink(item.optString("link")); result.setAuthor(item.optString("author")); result.setPubDate(item.optString("pubDate")); result.setIsbn(item.optString("isbn")); result.setCategoryName(item.optString("categoryName")); result.setPublisher(item.optString("publisher")); result.setPriceStandard(item.optLong("priceStandard")); result.setPriceSales(item.optLong("priceSales")); results.add(result); } } else { System.out.println("JSON에서 'item' 키를 찾을 수 없음."); } } else { System.out.println("응답 본문이 null입니다."); } return results; } ``` ### ? 로그인 * 기본 회원가입한 내용 로그인 및 소셜로그인 가능(카카오,네이버,구글) 1. 로그인구현이미지 ![로그인](https://i.imgur.com/u32JhJH.png) 2. 코드내용 ```java @Controller @RequiredArgsConstructor public class MemberController { @GetMapping("/member/login") public String login() { return "member/login"; } } ``` ```java @Service @RequiredArgsConstructor public class MemberSecurityService implements UserDetailsService { private final MemberRepository memberRepository; @Override public UserDetails loadUserByUsername(String userName) throws UsernameNotFoundException { System.out.println("loadUserByUsername's userName : " + userName); Optional memberOp = memberRepository.findByUserName(userName); Member member = memberOp.orElseThrow(() -> new UsernameNotFoundException("사용자를 찾을 수 없습니다.")); List authorities = new ArrayList<>(); if (isAdmin()) { authorities.add(new SimpleGrantedAuthority(MemberRole.ADMIN.getValue())); } else { authorities.add(new SimpleGrantedAuthority(MemberRole.USER.getValue())); } return new CustomMember( member.getUserName(), member.getPassword(), authorities, member.getNickName(), member.getBirthDate() ); } } ``` ```java @Getter @Setter @Component public class CurrentMember { private String userName; private String password; public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } } ``` ```java @Getter @Setter public class CustomMember extends User { // 일반 이메일 계정으로 가입한 유저의 정보를 표시할 때 연결해주는 곳 private String nickName; private LocalDate birthDate; private String email; private LocalDateTime createDate; private String imgFilePath; Member member = new Member(); public CustomMember(String username, String password, Collection authorities, String nickName, LocalDate birthDate) { super(username, password, authorities); this.nickName = nickName; this.birthDate = birthDate; this.email = username; this.createDate = member.getCreateDate(); this.imgFilePath = member.getImgFilePath(); } } ``` 3. 소셜로그인구현이미지 ![카카오소셜로그인(수정예정)](https://i.imgur.com/wU0tmn5.png) ![네이버소셜로그인(수정예정)](https://i.imgur.com/jwmnCBN.png) ![구글소셜로그인(수정예정)](https://i.imgur.com/NX4iF68.png) ```java @Getter @Setter public class MemberContext extends User implements OAuth2User { // 소셜계정으로 가입한 유저의 정보를 표시할 때 연결해주는 곳 private final Long id; private final String email; private final String nickName; private final String imgFilePath; private final LocalDateTime createDate; private Map attributes; private String userNameAttributeName; public MemberContext(Member member, List authorities) { super(member.getUserName(), member.getPassword(), authorities); this.id = member.getId(); this.email = member.getSocialEmail(); this.nickName = member.getNickName(); this.createDate = member.getCreateDate(); this.imgFilePath = member.getImgFilePath(); } public MemberContext(Member member, List authorities, Map attributes, String userNameAttributeName) { this(member, authorities); this.attributes = attributes; this.userNameAttributeName = userNameAttributeName; } @Override public Set getAuthorities() { return super.getAuthorities().stream().collect(Collectors.toSet()); } @Override public Map getAttributes() { return this.attributes; } @Override public String getName() { return this.getAttribute(this.userNameAttributeName).toString(); } } ``` ```java @Service @Transactional(readOnly = true) @RequiredArgsConstructor public class OAuth2UserService extends DefaultOAuth2UserService { @Autowired private MemberRepository memberRepository; @Override @Transactional public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2AuthenticationException { OAuth2User oAuth2User = super.loadUser(userRequest); String userNameAttributeName = userRequest.getClientRegistration().getProviderDetails().getUserInfoEndpoint() .getUserNameAttributeName(); Map attributes = oAuth2User.getAttributes(); String oauthId = null; Member member = null; String oauthType = userRequest.getClientRegistration().getRegistrationId().toUpperCase(); if (!"KAKAO".equals(oauthType) && !"NAVER".equals(oauthType) && !"GOOGLE".equals(oauthType)) { throw new OAuthTypeMatchNotFoundException(); } else if ("KAKAO".equals(oauthType)) { oauthId = oAuth2User.getName(); } else if ("NAVER".equals(oauthType)) { Map attributesResponse = (Map) attributes.get("response"); oauthId = (String) attributesResponse.get("id"); } else if ("GOOGLE".equals(oauthType)) { // oauthId; } String provider = userRequest.getClientRegistration().getRegistrationId(); String providerId = ""; if (isNew(oauthType, oauthId)) { switch (oauthType) { case "KAKAO" -> { Map attributesProperties = (Map) attributes.get("properties"); Map attributesKakaoAccount = (Map) attributes.get("kakao_account"); String nickName = (String) attributesProperties.get("nickname"); String profileImgUrl = (String) attributesProperties.get("profile_image"); String thumbnail_image = (String) attributesProperties.get("thumbnail_image"); providerId = oauthId; String email = "%s@kakao.com".formatted(oauthId); String userName = "KAKAO_%s".formatted(oauthId); Boolean gender = null; String age_range = null; LocalDate birthDate = null; Boolean mailAuth = null; boolean isActive = true; if ((boolean) attributesKakaoAccount.get("has_email")) { // 만약 이메일 공개 동의 시 수집 가능 email = (String) attributesKakaoAccount.get("email"); mailAuth = true; } if ((boolean) attributesKakaoAccount.get("has_age_range") // 만약 연령대 공개 동의 시 수집 가능 && !(boolean) attributesKakaoAccount.get("age_range_needs_agreement")) { age_range = (String) attributesKakaoAccount.get("age_range"); } if ((boolean) attributesKakaoAccount.get("has_birthday") // 만약 생년월일 공개 동의 시 수집 가능 && !(boolean) attributesKakaoAccount.get("birthday_needs_agreement")) { birthDate = (LocalDate) attributesKakaoAccount.get("birthday"); } if ((boolean) attributesKakaoAccount.get("has_gender") // 만약 성별 공개 동의 시 수집 가능 && !(boolean) attributesKakaoAccount.get("gender_needs_agreement")) { gender = (boolean) attributesKakaoAccount.get("gender"); } String fullName = (String) attributesProperties.get("nickname"); String lastname; String firstname; if (fullName.length() == 2 && isSpecialLastname(fullName)) { lastname = fullName.substring(0, 2); firstname = ""; } else if (fullName.length() == 3 && isSpecialLastname(fullName.substring(0, 2))) { lastname = fullName.substring(0, 2); firstname = fullName.substring(2); } else if (fullName.length() == 4 && isSpecialLastname(fullName.substring(0, 2))) { lastname = fullName.substring(0, 2); firstname = fullName.substring(2); } else { lastname = fullName.substring(0, 1); firstname = fullName.substring(1); } // 저장 member = Member.builder() .userName(userName) // 사용자ID 추가(email형식) .password("") .nickName(nickName) // 사용자 닉네임 추가 .socialEmail(email) // 사용자 이메일 추가 .imgFilePath(profileImgUrl) // 사용자 프로필 사진 추가 .createDate(LocalDateTime.now()) // 계정 생성일 추가 .birthDate(birthDate) // 사용자 생년월일 추가 .role(MemberRole.valueOf("USER")) // 사용자 권한 추가 .mailAuth(mailAuth) // 사용자 메일 인증여부 추가(일반 가입시 true) .gender(gender) // 사용자 성별 추가 .firstName(firstname) // 사용자 이름 추가 .lastName(lastname) // 사용자 성 추가 .provider(provider) .providerId(providerId) .isActive(isActive) // 계정 활성 여부 추가 .build(); // 빌드완료 memberRepository.save(member); } case "NAVER" -> { Map attributesResponse = (Map) attributes.get("response"); String phone_e164 = (String) attributesResponse.get("mobile_e164"); String age = (String) attributesResponse.get("age"); String id = (String) attributesResponse.get("id"); String userName = "NAVER_%s".formatted(id); providerId = oauthId; String profileImgUrl; String nickName; LocalDate birthDate; Boolean gender = null; boolean mailAuth = false; boolean isActive = true; String lastname; String firstname; String email; if (attributesResponse.containsKey("email")) { email = (String) attributesResponse.get("email"); mailAuth = true; } else { email = "%s@naver.com".formatted(oauthId); } if (attributesResponse.containsKey("nickname")) { nickName = (String) attributesResponse.get("nickname"); } else { nickName = null; } if (attributesResponse.containsKey("profile_image")) { profileImgUrl = (String) attributesResponse.get("profile_image"); } else { profileImgUrl = null; } if (attributesResponse.containsKey("birthday") && attributesResponse.containsKey("birthyear")) { String birthday = (String) attributesResponse.get("birthday"); String birthyear = (String) attributesResponse.get("birthyear"); String combinedDate = String.format("%s-%s", birthyear, birthday); birthDate = LocalDate.parse(combinedDate, DateTimeFormatter.ofPattern("yyyy-MM-dd")); } else { birthDate = null; } String naverGender = (String) attributesResponse.get("gender"); if (naverGender.equals("M")) { gender = true; } else if (naverGender.equals("F")) { gender = false; } String phone = (String) attributesResponse.get("mobile"); String sanitizedPhone = phone.replaceAll("-", ""); String fullName = (String) attributesResponse.get("name"); if (fullName.length() == 2 && isSpecialLastname(fullName)) { lastname = fullName.substring(0, 2); firstname = ""; } else if (fullName.length() == 3 && isSpecialLastname(fullName.substring(0, 2))) { lastname = fullName.substring(0, 2); firstname = fullName.substring(2); } else if (fullName.length() == 4 && isSpecialLastname(fullName.substring(0, 2))) { lastname = fullName.substring(0, 2); firstname = fullName.substring(2); } else { lastname = fullName.substring(0, 1); firstname = fullName.substring(1); } // 저장 member = Member.builder() .userName(userName) // 사용자ID 추가(email형식) .password("") .nickName(nickName) // 사용자 닉네임 추가 .socialEmail(email) .imgFilePath(profileImgUrl) .createDate(LocalDateTime.now()) // 계정 생성일 추가 .birthDate(birthDate) // 사용자 생년월일 추가 .phone(sanitizedPhone) // 사용자 연락처 추가 .mailAuth(mailAuth) // 사용자 메일 인증여부 추가(일반 가입시 true) .firstName(firstname) // 사용자 이름 추가 .lastName(lastname) // 사용자 성 추가 .gender(gender) // 사용자 성별 추가 .provider(provider) .providerId(providerId) .role(MemberRole.valueOf("USER")) // 사용자 권한 추가 .isActive(isActive) // 계정 활성 여부 추가 .build(); // 빌드완료 memberRepository.save(member); } } } else { member = memberRepository.findByUserName("%s_%s".formatted(oauthType, oauthId)) .orElseThrow(MemberNotFoundException::new); } List authorities = new ArrayList<>(); authorities.add(new SimpleGrantedAuthority("member")); return new MemberContext(member, authorities, attributes, userNameAttributeName); } private boolean isNew(String oAuthType, String oauthId) { return memberRepository.findByUserName("%s_%s".formatted(oAuthType, oauthId)).isEmpty(); } private boolean isSpecialLastname (String lastname){ String[] specialLastnames = {"남궁", "황보", "제갈", "사공", "선우", "서문", "독고", "동방", "어금", "망절", "무본", "황목", "등정", "장곡", "강전"}; for (String special : specialLastnames) { if (special.equals(lastname)) { return true; } } return false; } } ``` ### ? 회원가입 * 이름(성,이름),이메일,닉네임,인증번호확인,비밀번호,비밀번호확인,전화번호,우편번호,도로명주소,지번주소,상세주소,참고항목,성별,생년월일 작성 후 회원가입이 가능하다. 1. 구현이미지 ![회원가입](https://i.imgur.com/paS8las.png) 2. 코드내용 ```java @Controller @RequiredArgsConstructor public class MemberController { private final MemberService memberService; @GetMapping("/member/join") public String showSignup(MemberJoinRequest memberJoinRequest) { return "member/join"; } @PostMapping("/member/join") public String signup(@Valid MemberJoinRequest dto, BindingResult bindingResult) { if (bindingResult.hasErrors()) { return "member/join"; } if (!dto.getPassword1().equals(dto.getPassword2())) { bindingResult.rejectValue("password1", "passwordIncorrect", "2개의 패스워드가 일치하지 않습니다."); return "member/join"; } try { // 인증 코드 검증 if (dto.getMailKey().equals(dto.getGenMailKey())) { LocalDate currentDate = LocalDate.now(); LocalDate birthDate = dto.getBirthDate(); // 회원가입 처리 MemberRole role = dto.getUserName().startsWith("admin") ? MemberRole.ADMIN : MemberRole.USER; this.memberService.join( dto.getUserName(), dto.getPassword1(), dto.getNickName(), dto.getRoadAddress(), dto.getJibunAddress(), dto.getDetailAddress(), dto.getExtraAddress(), dto.getPostalNum(), dto.getPhone(), dto.getFirstName(), dto.getLastName(), dto.isGender(), dto.getBirthDate(), dto.getMailKey(), role, true ); } else { // 두 값이 일치하지 않는 경우 // 예외 처리 로직을 실행합니다. bindingResult.rejectValue("mailKey", "mailKeyNotMatched", "유효하지 않은 이메일 또는 메일 키입니다."); return "member/join"; } } catch (DataIntegrityViolationException e) { e.printStackTrace(); bindingResult.reject("⚠️회원가입에 실패했습니다⚠️", "이미 등록된 아이디입니다."); return "member/join"; } catch (Exception e) { e.printStackTrace(); bindingResult.reject("⚠️회원가입에 실패했습니다⚠️", e.getMessage()); return "member/join"; } return "redirect:/"; } } ``` ```java @Service @RequiredArgsConstructor public class MemberService { public String join(String userName, String password, String nickName, String roadAddress, String jibunAddress, String detailAddress, String extraAddress, String postalNum, String phone, String firstName, String lastName, Boolean gender, LocalDate birthDate, Integer mailKey, MemberRole role, boolean mailAuth) { // 프로필 사진 파일 이름 // userName 중복체크 memberRepository.findByUserName(userName) .ifPresent(user -> { throw new AppException(ErrorCode.USERNAME_DUPLICATED, userName + " 는 존재합니다."); }); // 저장 Member member = Member.builder() .userName(userName) // 사용자ID 추가(email형식) .password(encoder.encode(password)) // 사용자 비밀번호 추가(passwordEncoder로 인코딩) .nickName(nickName) // 사용자 닉네임 추가 .roadAddress(roadAddress) // 사용자 도로명주소 추가(카카오API) .jibunAddress(jibunAddress) // 사용자 지번주소 추가(카카오API) .detailAddress(detailAddress) // 사용자 상세주소 추가(동네이름 / 아파트이름)(카카오API) .extraAddress(extraAddress) // 사용자 기타주소 추가(ex. 동, 호수) (카카오API) .postalNum(postalNum) // 사용자 우편번호 추가 .phone(콜) // 사용자 연락처 추가 .firstName(firstName) // 사용자 이름 추가 .lastName(lastName) // 사용자 성 추가 .gender(gender) // 사용자 성별 추가 .birthDate(birthDate) // 사용자 생년월일 추가 .mailKey(mailKey) // 사용자 이메일 인증당시 인증 키 추가 .role(role) // 사용자 권한 추가 .mailAuth(mailAuth) // 사용자 메일 인증여부 추가(일반 가입시 true) .createDate(LocalDateTime.now()) // 계정 생성일 추가 .build(); // 빌드완료 this.memberRepository.save(member); return "SUCCESS"; } } ``` ### ? 국내 도서 * 알라딘 api에서 도서 정보를 받아 DB에 저장한 후 한 페이지에 20개씩 출력한다. 검색 기능과 페이징이 구현되어 있다. 1. 구현이미지 ![국내도서](https://i.imgur.com/zuz69wt.png) ![국내도서](https://i.imgur.com/tD9yaYO.png) 2. 코드내용 ```java @Controller @RequiredArgsConstructor @RequestMapping("/api") public class ProductApiController { private final ProductService productService; @RequestMapping(value = "/search", method = RequestMethod.GET) public String searchBooks(Model model, @RequestParam String query) { List results = productService.getSearchBooksProduct(query); model.addAttribute("results", results); return "searchBooks"; } } ``` ```java @Controller @RequiredArgsConstructor @RequestMapping("/product") public class ProductController { @Value("${custom.genFileDirPath}") private String genFileDirPath; @Value("${custom.resourcePath}") private String resourcePath; private final ProductService productService; private final MemberService memberService; private final ProductRepository productRepository; private final ADMController admController; private final ReviewService reviewService; @GetMapping("/list") public String productList(Model model, @RequestParam(value = "page", defaultValue = "1") int page, @RequestParam(value = "kw", defaultValue = "") String kw, @RequestParam(value = "type") String type) { if (page <= 0) { return "redirect:/product/list?type=" + type + "&page=1"; } Page products = this.productService.getProducts(type, page, kw); model.addAttribute("products", products); model.addAttribute("type", type); model.addAttribute("kw", kw); // 접근한 파라미터가 book 혹은 foreign일 경우에만 제품 리스트페이지를 반환 if ("book".equals(type) || "foreign".equals(type) || "new".equals(type) || "best".equals(type)) { return "product/product_list"; } else { // 다른 타입의 경우 에러페이지 반환 return "error_page"; } } } ``` ```java @Service @RequiredArgsConstructor public class ProductService { private final RestTemplate restTemplate; private final OAuth2AuthorizedClientService clientService; private final ProductRepository productRepository; @Value("${custom.genFileDirPath}") private String genFileDirPath; @Value("${custom.originPath}") private String originPath; @Value("${spring.aladin.api.key}") private String apiKey; private final String searchUrl = "http://www.aladdin.co.kr/ttb/api/ItemSearch.aspx"; private final String listUrl = "http://www.aladin.co.kr/ttb/api/ItemList.aspx"; public List searchBooks(String query) { String url = buildSearchUrl("Keyword", query); return getBooksFromApi(url); } public List getSearchBooksProduct(String query) { List searchBooksProduct = new ArrayList<>(); List searchBooks = this.searchBooks(query); for (ProductDto books : searchBooks) { Product productBestSellers = this.getProductISBN(books.getIsbn()); searchBooksProduct.add(productBestSellers); } return searchBooksProduct; } public List getNewBooks() { String url = buildListUrl("ItemNewAll"); return getBooksFromApi(url); } public List getNewBooksProduct() { List newBookProduct = new ArrayList<>(); List newBooks = this.getNewBooks(); for (ProductDto books : newBooks) { Product productNewBooks = this.getProductISBN(books.getIsbn()); newBookProduct.add(productNewBooks); } return newBookProduct; } public Page getNewBooksProductWithPagination(Pageable pageable) { // 여기서 페이지네이션을 지원하도록 수정 List newBooks = getNewBooksProduct(); return new PageImpl<>(newBooks, pageable, newBooks.size()); } public List getBestsellers() { String url = buildListUrl("Bestseller"); return getBooksFromApi(url); } public List getBestsellersProduct() { List bestSellersProduct = new ArrayList<>(); List bestSellers = this.getBestsellers(); for (ProductDto books : bestSellers) { Product productBestSellers = this.getProductISBN(books.getIsbn()); bestSellersProduct.add(productBestSellers); } return bestSellersProduct; } public Page getBestsellersProductWithPagination(Pageable pageable) { // 여기서 페이지네이션을 지원하도록 수정 List bestsellers = getBestsellersProduct(); return new PageImpl<>(bestsellers, pageable, bestsellers.size()); } private String buildSearchUrl(String queryType, String query) { return searchUrl + "?ttbkey=" + apiKey + "&QueryType=" + queryType + "&MaxResults=20" + "&start=1" + "&SearchTarget=Book&Foreign" + "&Cover=Big" + "&output=js" + "&Version=20131101" + (query != null ? "&Query=" + query : "") + "&CategoryId=0"; } private String buildListUrl(String queryType) { return listUrl + "?ttbkey=" + apiKey + "&QueryType=" + queryType + "&MaxResults=50" + "&start=1" + "&SearchTarget=Book&Foreign" + "&Cover=Big" + "&output=js" + "&Version=20131101"; } private String domesticBuildListUrl(String queryType) { return listUrl + "?ttbkey=" + apiKey + "&QueryType=" + queryType + "&MaxResults=20" + "&start=1" + "&SearchTarget=Book" + "&output=js" + "&Version=20131101"; } private String foreignBuildListUrl(String queryType) { return listUrl + "?ttbkey=" + apiKey + "&QueryType=" + queryType + "&MaxResults=20" + "&start=1" + "&SearchTarget=Foreign" + "&output=js" + "&Version=20131101"; } public Product getProductISBN(String isbn) { Optional product = this.productRepository.findByIsbn(isbn); if (product.isEmpty()) { throw new DataNotFoundException("제품을 찾을 수 없습니다."); } return product.get(); } private List getBooksFromApi(String url) { ResponseEntity responseEntity = restTemplate.getForEntity(url, String.class); String responseBody = responseEntity.getBody(); System.out.println(responseBody); ArrayList results = new ArrayList<>(); if (responseBody != null) { JSONObject responseJson = new JSONObject(responseBody); JSONArray items = responseJson.optJSONArray("item"); if (items != null) { for (int i = 0; i < items.length(); i++) { JSONObject item = items.getJSONObject(i); ProductDto result = ProductDto.builder() .coverImg(item.optString("cover")) .title(item.optString("title")) .link(item.optString("link")) .author(item.optString("author")) .pubDate(item.optString("pubDate")) .description(item.optString("description")) .isbn(item.optString("isbn")) .adult(item.optBoolean("adult")) .categoryName(item.optString("categoryName")) .publisher(item.optString("publisher")) .priceStandard(item.optLong("priceStandard")) .priceSales(item.optLong("priceSales")) .mallType(item.optString("mallType")) .build(); Product product = Product.builder() .coverImg(result.getCoverImg()) .title(result.getTitle()) .link(result.getLink()) .author(result.getAuthor()) .pubDate(item.optString("pubDate")) .description(item.optString("description")) .publisher(result.getPublisher()) .isbn(result.getIsbn()) .adult(result.isAdult()) .categoryName(result.getCategoryName()) .priceStandard(result.getPriceStandard()) .priceSales(result.getPriceSales()) .mallType(result.getMallType()) .createDate(LocalDateTime.now()) .build(); if (productRepository.countByIsbn(product.getIsbn()) == 0L) {//productRepository에 isbn이 0개라면 저장해라(0L의 L은 Long 타입이라 사용) productRepository.save(product); } results.add(result); } } } return results; } // 국내, 외국 도서 목록 페이징에 담아서 불러오는 service public Page getProducts(String type, int page, String kw) { List sorts = new ArrayList<>(); sorts.add(Sort.Order.desc("createDate")); Pageable pageable = PageRequest.of(page - 1, 20, Sort.by(sorts)); return this.productRepository.findAllByKeyword(kw, type.toUpperCase(), pageable); } public Page getForeignProducts(int page, String kw) { List sorts = new ArrayList<>(); sorts.add(Sort.Order.desc("createDate")); Pageable pageable = PageRequest.of(page - 1, 20, Sort.by(sorts)); return this.productRepository.findAllForeignByKeyword(kw, pageable); } public Page getDomesticProducts(int page, String kw) { List sorts = new ArrayList<>(); sorts.add(Sort.Order.desc("createDate")); Pageable pageable = PageRequest.of(page - 1, 20, Sort.by(sorts)); return this.productRepository.findAllDomesticByKeyword(kw, pageable); } } ``` ### ? 도서 상세 페이지 * 알라딘 api에서 도서 정보를 받아 DB에 저장한 후 각 도서의 상세 내용을 출력하는 페이지. 도서 상세 내용에는 제목, 평점, 작가, 가격, 출판사, 출간일, 카테고리, 청소년 관람 가능 여부, 상품정보 및 내용, 리뷰 등을 출력한다. 1. 구현이미지 ![도서 상세 페이지](https://i.imgur.com/pVLB0oi.png) 2. 코드 내용 ```java @GetMapping(value = "/detail/{id}") public String domesticDetail(Model model, @PathVariable("id") Long id, Principal principal) { Product product = productService.getById(id); if (principal != null) { Member member = this.memberService.getMember(principal.getName()); if (member != null) { model.addAttribute("member", member); Long memberId = member.getId(); model.addAttribute("memberId", memberId); } } List reviews = reviewService.getReviewsByProduct(product); // Fetch reviews for the product model.addAttribute("product", product); model.addAttribute("reviews", reviews); // Add the reviews to the model model.addAttribute("reviewDto", new ReviewDto()); // ReviewDto 객체 초기화 productService.updateAverageRating(product); return "product/detail"; } ``` ### ? 마이 페이지 * 회원정보(프로필사진, 아이디, 가입일, 이메일, 연락처, 주소 등)을 출력하고 추가 및 수정할 수 있다. 장바구니와 결재내역을 조회할 수 있고, 장바구니에서 주문 페이지로 이동할 수 있다. 1. 구현 이미지 ![마이 페이지](https://i.imgur.com/8Fu4Ual.png) ![마이 페이지 장바구니](https://i.imgur.com/pq3Vhoy.png) ![마이 페이지 구매내](https://i.imgur.com/P4CCAEI.png) 2. 코드 내용 ```java @PreAuthorize("isAuthenticated()") @GetMapping("/member/profile") public String myPage(Model model, Principal principal) { Member member = memberService.getUser(principal.getName()); List OrderList = orderService.getByBuyerId(member.getId()); Cart cart = cartService.getCartByMemberId(member.getId()); List cartItemList = cartItemService.getAll(cart); model.addAttribute("OrderList", OrderList); model.addAttribute("member", member); model.addAttribute("cart", cart); model.addAttribute("cartItemList", cartItemList); return "member/useageHistory"; } @PreAuthorize("isAuthenticated()") @GetMapping("/member/useage") public String myUseage(Model model, Principal principal) { Member member = memberService.getUser(principal.getName()); return "member/useageHistory"; } @PreAuthorize("isAuthenticated()") @GetMapping("/member/updateprofile") public String profileModify(@ModelAttribute("memberUpdateRequest") MemberUpdateRequest memberUpdateRequest, Principal principal, Model model) { Member member = memberService.getUser(principal.getName()); if (!member.getUserName().equals(principal.getName())) { throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "수정권한이 없습니다."); } // 기존 회원정보를 회원정보 수정 입력창에 세팅 memberUpdateRequest.setUserName(member.getUserName()); memberUpdateRequest.setNickName(member.getNickName()); memberUpdateRequest.setPhone(member.getPhone()); memberUpdateRequest.setFirstName(member.getFirstName()); memberUpdateRequest.setLastName(member.getLastName()); memberUpdateRequest.setGender(member.getGender()); memberUpdateRequest.setBirthDate(member.getBirthDate()); memberUpdateRequest.setPostalNum(member.getPostalNum()); memberUpdateRequest.setRoadAddress(member.getRoadAddress()); memberUpdateRequest.setJibunAddress(member.getJibunAddress()); memberUpdateRequest.setDetailAddress(member.getDetailAddress()); memberUpdateRequest.setExtraAddress(member.getExtraAddress()); // 소셜 계정인 경우 userName 가공 if (member.getUserName().startsWith("KAKAO_")) { memberUpdateRequest.setUserName(member.getUserName().substring(member.getUserName().indexOf("_") + 1)); } else if (member.getUserName().startsWith("NAVER_")) { memberUpdateRequest.setUserName(member.getUserName().substring(member.getUserName().indexOf("_") + 1)); } else if (member.getUserName().startsWith("GOOGLE_")) { memberUpdateRequest.setUserName(member.getUserName().substring(member.getUserName().indexOf("_") + 1)); } model.addAttribute("member", member); return "member/updateProfile"; } @PreAuthorize("isAuthenticated()") @PostMapping("/member/updateprofile") public String profileModify(@Valid MemberUpdateRequest memberUpdateRequest, Model model, Principal principal, BindingResult bindingResult) { Member member = memberService.getUser(principal.getName()); if (!member.getUserName().equals(principal.getName())) { throw new ResponseStatusException(HttpStatus.BAD_REQUEST, "수정권한이 없습니다."); } if (bindingResult.hasErrors()) { return "member/updateProfile"; } if (true) { memberService.updateProfile(memberUpdateRequest, principal.getName()); model.addAttribute("successUpdateProfile", true); return "member/updateProfile"; } return "redirect:/member/logout"; } @PreAuthorize("isAuthenticated()") @PostMapping("/member/updateProfileImg") @ResponseBody public ResponseEntity updateProfileImg(@RequestParam("file") MultipartFile file, Principal principal) { try { Member member = memberService.getUser(principal.getName()); memberService.updateProfile(member, file); return ResponseEntity.ok("프로필 이미지가 업데이트되었습니다. 재접속 하시면 이미지가 반영됩니다."); } catch (Exception e) { return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("프로필 이미지 업데이트 중 오류가 발생했습니다."); } } public Member updateProfile(Member member, MultipartFile file) throws IOException { String projectPath = genFileDirPath; UUID uuid = UUID.randomUUID(); String fileName = uuid + "_" + file.getOriginalFilename(); String filePath = originPath + fileName; File saveFile = new File(projectPath, fileName); file.transferTo(saveFile); // 업로드된 파일 저장 member.setImgFileName(fileName); member.setImgFilePath(filePath); memberRepository.save(member); return member; } public void updateProfile(MemberUpdateRequest memberUpdateRequest, String username) { Member existingMember = memberRepository.findByUserName(username) .orElseThrow(() -> new IllegalArgumentException("해당 회원을 찾을 수 없습니다.")); Member updatedMember = existingMember.toBuilder() .nickName(memberUpdateRequest.getNickName()) .phone(memberUpdateRequest.getPhone()) .lastName(memberUpdateRequest.getLastName()) .firstName(memberUpdateRequest.getFirstName()) .gender(memberUpdateRequest.getGender()) .birthDate(memberUpdateRequest.getBirthDate()) .postalNum(memberUpdateRequest.getPostalNum()) .roadAddress(memberUpdateRequest.getRoadAddress()) .jibunAddress(memberUpdateRequest.getJibunAddress()) .extraAddress(memberUpdateRequest.getExtraAddress()) .detailAddress(memberUpdateRequest.getDetailAddress()) .build(); memberRepository.save(updatedMember); } public String generateTempPassword() { String characters = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; StringBuilder sb = new StringBuilder(); Random random = new Random(); for (int i = 0; i < 10; i++) { int index = random.nextInt(characters.length()); sb.append(characters.charAt(index)); } return sb.toString(); } @Service @RequiredArgsConstructor public class CartService { private final CartRepository cartRepository; private final ProductRepository productRepository; private final CartItemRepository cartItemRepository; private final CartItemService cartItemService; @Transactional public void addCart(Product newProduct, Member member, Integer amount) { Cart cart = cartRepository.findByMemberId(member.getId()); if (cart == null) { cart = createCart(member); cartRepository.save(cart); } Optional _product = productRepository.findById(newProduct.getId()); if (_product.isPresent()){ Product product = _product.get(); CartItem cartItem = cartItemRepository.findByCartIdAndProductId(cart.getId(), product.getId()); if (cartItem == null) { cartItem = cartItemService.createCartItem(cart, product, amount); cartItemRepository.save(cartItem); } else { CartItem update = cartItem; update.setCart(cartItem.getCart()); update.setProduct(cartItem.getProduct()); update.addCount(amount); update.setModifyDate(LocalDateTime.now()); cartItemRepository.save(update); } cart.setCount(cart.getCount() * amount); } else { throw new DataNotFoundException("상품을 조회할 수 없습니다."); } } private Cart createCart(Member member) { Cart cart = Cart.builder() .member(member) .createDate(LocalDateTime.now()) .count(0) .build(); return this.cartRepository.save(cart); } public Cart getMemberCart(Long id) { return this.cartRepository.findByMemberId(id); } public List getAllMemberCart(Cart cart) { return this.cartItemRepository.findAllByCart(cart); } public CartItem findCartItemById(Long itemId) { Optional cartItem = cartItemRepository.findById(itemId); if (cartItem.isPresent()) { return cartItem.get(); } throw new DataNotFoundException("장바구니에 담긴 상품이 없습니다."); } public Cart getCartByMemberId(Long id) { return this.cartRepository.findByMemberId(id); } } @Service @RequiredArgsConstructor public class CartItemService { private final CartItemRepository cartItemRepository; public CartItem createCartItem(Cart cart, Product product, int amount) { CartItem cartItem = new CartItem(); cartItem.setCart(cart); cartItem.setProduct(product); cartItem.setCount(amount); return cartItem; } public void cartItemDelete(Long cartItemId) { Optional _cartItem = cartItemRepository.findById(cartItemId); if (_cartItem.isPresent()) { CartItem cartItem = _cartItem.get(); this.cartItemRepository.delete(cartItem); } else { throw new DataNotFoundException("장바구니 아이템을 찾지 못하였습니다."); } } public List getAll(Cart cart) { return this.cartItemRepository.findAll(); } } @Service @RequiredArgsConstructor public class CashService { private final CashRepository cashRepository; public void addCashLog(Member member, String lastName, String firstName, Product product, String title, Integer price) { CashLog cashLog = CashLog.builder() .member(member) .lastName(lastName) .firstName(firstName) .product(product) .productTitle(title) .price(price) .build(); this.cashRepository.save(cashLog); } } ``` ### ? 주문 상세 페이지 * 주문할 도서의 표지 사진, 제목, 구매자, 가격 정보를 출력하고 결제 페이지로 이동할 수 있다. 1. 구현 이미지 ![주문 상세 페이지](https://i.imgur.com/nQU3gxE.png) 2. 코드 내용 ```java @Controller @RequestMapping("/order") @RequiredArgsConstructor public class OrderController { @Value("${custom.paymentSecretKey}") private String paymentSecretKey; private final ProductService productService; private final MemberService memberService; private final CashService cashService; private final OrderService orderService; @GetMapping("/detail") public String detail(Model model, @RequestParam Long productsId, Principal principal) { Member member = this.memberService.getMember(principal.getName()); Product product = this.productService.findById(productsId); Order order = orderService.getByBuyerAndProductId(member.getUserName(), productsId); model.addAttribute("product", product); model.addAttribute("member", member); model.addAttribute("order", order); return "order/detail"; } @GetMapping("/{id}/success") public String paymentResult(Model model, @PathVariable Long id, @RequestParam(value = "orderId") String orderId, @RequestParam(value = "amount") Integer amount, @RequestParam(value = "paymentKey") String paymentKey, Principal principal) throws Exception { String secretKey = paymentSecretKey; Base64.Encoder encoder = Base64.getEncoder(); byte[] encodedBytes = encoder.encode(secretKey.getBytes("UTF-8")); String authorizations = "Basic " + new String(encodedBytes, 0, encodedBytes.length); URL url = new URL("https://api.tosspayments.com/v1/payments/" + paymentKey); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestProperty("Authorization", authorizations); connection.setRequestProperty("Content-Type", "application/json"); connection.setRequestMethod("POST"); connection.setDoOutput(true); JSONObject obj = new JSONObject(); obj.put("orderId", orderId); obj.put("amount", amount); OutputStream outputStream = connection.getOutputStream(); outputStream.write(obj.toString().getBytes("UTF-8")); int code = connection.getResponseCode(); boolean isSuccess = code == 200 ? true : false; model.addAttribute("isSuccess", isSuccess); InputStream responseStream = isSuccess ? connection.getInputStream() : connection.getErrorStream(); Reader reader = new InputStreamReader(responseStream, StandardCharsets.UTF_8); JSONParser parser = new JSONParser(); JSONObject jsonObject = (JSONObject) parser.parse(reader); responseStream.close(); model.addAttribute("responseStr", jsonObject.toJSONString()); System.out.println(jsonObject.toJSONString()); model.addAttribute("method", (String) jsonObject.get("method")); model.addAttribute("orderName", (String) jsonObject.get("orderName")); if (((String) jsonObject.get("method")) != null) { if (((String) jsonObject.get("method")).equals("카드")) { model.addAttribute("cardNumber", (String) ((JSONObject) jsonObject.get("card")).get("number")); } else if (((String) jsonObject.get("method")).equals("가상계좌")) { model.addAttribute("accountNumber", (String) ((JSONObject) jsonObject.get("virtualAccount")).get("accountNumber")); } else if (((String) jsonObject.get("method")).equals("계좌이체")) { model.addAttribute("bank", (String) ((JSONObject) jsonObject.get("transfer")).get("bank")); } else if (((String) jsonObject.get("method")).equals("휴대폰")) { model.addAttribute("customerMobilePhone", (String) ((JSONObject) jsonObject.get("mobilePhone")).get("customerMobilePhone")); } } else { model.addAttribute("code", (String) jsonObject.get("code")); model.addAttribute("message", (String) jsonObject.get("message")); } Member member = this.memberService.getMember(principal.getName()); Product product = this.productService.findById(id); Order order = this.orderService.createOrder(member, product); model.addAttribute("member", member); model.addAttribute("product", product); model.addAttribute("order", order); this.cashService.addCashLog(member, member.getLastName(), member.getFirstName(), product, product.getTitle(), amount); return "order/success"; } @GetMapping("/fail") public String paymentResult(Model model, @RequestParam(value = "message") String message, @RequestParam(value = "code") Integer code) throws Exception { model.addAttribute("code", code); model.addAttribute("message", message); return "order/fail"; } } @Service @RequiredArgsConstructor public class OrderService { private final OrderRepository orderRepository; private final OrderItemRepository orderItemRepository; private final RebateService rebateService; public Order getByBuyerAndProductId(String userName, Long productId) { return orderRepository.findByBuyerUserNameAndProductId(userName, productId); } @Transactional public Order createOrder(Member buyer, Product product) { Order order = Order.builder() .buyer(buyer) .product(product) .name(product.getTitle()) .createDate(LocalDateTime.now())// 주문 이름은 제품의 제목으로 설정 (예시) .isPaid(false) .isCanceled(false) .isRefunded(false) .build(); OrderItem orderItem = OrderItem.builder() .order(order) .product(product) .isPaid(true) .payDate(LocalDateTime.now()) .payPrice(product.getPriceSales()) .build(); orderItemRepository.save(orderItem); return orderRepository.save(order); } public List getByBuyerId(Long id) { return orderRepository.findByBuyerId(id); } } ``` ### ?북 리더기 * 사용자가 구매한 도서 목록을 조회할 수 있고, 읽고 싶은 도서를 선택하여 도서 내용을 불러올 수 있다. 1. 구현 이미지 ![북 리더기 도서 목록](https://i.imgur.com/bNji9WM.png) ![북 리더기 도서 목록](https://i.imgur.com/VeRVxyj.png) ![북 리더기 도서 목록](https://i.imgur.com/NbcDUOx.png) ![북 리더기 도서 내용](https://i.imgur.com/NpUGbSl.png) 3. 코드 내용 ```java @RestController @RequestMapping(value = "/api/v1/books", consumes = APPLICATION_JSON_VALUE, produces = APPLICATION_JSON_VALUE) @RequiredArgsConstructor public class BooksController { final private BookService bookService; private final Rq rq; @GetMapping(value = "", consumes = ALL_VALUE) @Operation(summary = "로그인된 회원이 보유한 도서 목록", security = @SecurityRequirement(name = "bearerAuth")) public ResponseEntity> books() { List books = bookService.findAll(); return Ut.sp.responseEntityOf( RsData.successOf( BooksResponse.builder() .books(books) .build() ) ); } @GetMapping(value = "/{bookId}", consumes = ALL_VALUE) @Operation(summary = "로그인된 회원이 보유한 도서 단건", security = @SecurityRequirement(name = "bearerAuth")) public ResponseEntity> book(@PathVariable long bookId) { Product book = bookService.findByIdAndOwnerId(bookId); return Ut.sp.responseEntityOf( RsData.successOf( BookResponse.builder() .book(book) .build() ) ); } } @Service @RequiredArgsConstructor @Transactional(readOnly = true) public class BookService { private final BookRepository myBookRepository; public List findAll() { return myBookRepository.findAll(); } public Product findByIdAndOwnerId(long myBookId) { return myBookRepository.findById(myBookId).orElseThrow(RuntimeException::new); } } ```

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