📅 2024년 01월 22일

48일차 : Spring (8)

전주 복습

(안보고 해석하기)

• Domain

  • Author

    @Entity
    @Getter
    @AllArgsConstructor
    @NoArgsConstructor
    public class Author {
      @Id
      @GeneratedValue(strategy = GenerationType.IDENTITY)
      private Long id;
      @Column(nullable = false, length = 20)
      private String name;
      @Column(nullable = false, length = 20, unique = true)
      private String email;
      @Column(nullable = false)
      private String password;
      @Enumerated(value = EnumType.STRING)
      private Role role;
      @CreationTimestamp
      @Column(columnDefinition = "TIMESTAMP DEFAULT CURRENT_TIMESTAMP")
      LocalDateTime createdTime;
      @UpdateTimestamp
      @Column(columnDefinition = "TIMESTAMP ON UPDATE CURRENT_TIMESTAMP DEFAULT CURRENT_TIMESTAMP")
      LocalDateTime updatedTime;
      public Author(String name, String email, String password){
          this.name = name;
          this.email = email;
          this.password = password;
      }
    }

  • Role

    public enum Role {
      ADMIN,
      USER
    }

• Controller

  • AuthorController

    @Controller
    public class AuthorController {
     private final AuthorService authorService;
     @Autowired
     public AuthorController(AuthorService authorService){
         this.authorService = authorService;
     }
     @GetMapping("/")
     public String home(){
         return "/home";
     }
     @PostMapping("/author/save")
     @ResponseBody
     public String authorSave(AuthorSaveDto authorSaveDto){
         authorService.save(authorSaveDto);
         return "ok";
     }
     @GetMapping("/author/list")
     public String authorList(Model model){
         model.addAttribute("authorList", authorService.findAll());
         return "/author/author-list";
     }
     @GetMapping("/author/detail/{id}")
     public String authorDetail(@PathVariable long id, Model model)  {
         try {
             model.addAttribute("author",authorService.findById(id));
             return "/author/author-detail";
         }catch (Exception e){
             return "redirect:/author/list";
         }
     }
    }

• Dto

  • AuthorDetailResDto

    @Data
    public class AuthorDetailResDto {
      private Long id;
      private String name;
      private String email;
      private String password;
      private LocalDateTime createdTime;
    }

  • AuthorListResDto

    @Data
    public class AuthorListResDto {
      private Long id;
      private String name;
      private String email;
    }

  • AuthorSaveDto

     @Data
    public class AuthorSaveDto {
      private String name;
      private String email;
      private String password;
    }

• Repository

  • AuthorRepository

    @Repository
    public interface AuthorRepository extends JpaRepository<Author,Long> {
    }

• Service

  • AuthorService

    @Service
    public class AuthorService {
      private final AuthorRepository authorRepository;
      @Autowired
      public AuthorService(AuthorRepository authorRepository){
          this.authorRepository = authorRepository;
      }
      public void save(AuthorSaveDto authorSaveDto){
          Author author = new Author(
                  authorSaveDto.getName(),
                  authorSaveDto.getEmail(),
                  authorSaveDto.getPassword()
          );
          authorRepository.save(author);
      }
      public List<AuthorListResDto> findAll(){
          List<Author> authorList = authorRepository.findAll();
          List<AuthorListResDto> listResDtos = new ArrayList<>();
          for(Author author : authorList){
              AuthorListResDto authorListResDto = new AuthorListResDto();
              authorListResDto.setId(author.getId());
              authorListResDto.setName(author.getName());
              authorListResDto.setEmail(author.getEmail());
              listResDtos.add(authorListResDto);
          }
          return listResDtos;
      }
      public AuthorDetailResDto findById(long id) throws EntityNotFoundException {
          Author author =  authorRepository.findById(id).orElseThrow(EntityNotFoundException::new);
          AuthorDetailResDto authorDetailResDto = new AuthorDetailResDto();
          authorDetailResDto.setId(author.getId());
          authorDetailResDto.setName(author.getName());
          authorDetailResDto.setEmail(author.getEmail());
          authorDetailResDto.setPassword(author.getPassword());
          authorDetailResDto.setCreatedTime(author.getCreatedTime());
          return authorDetailResDto;
      }
    }

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