Merge pull request #52 from GDSC-Ewha-5th/HaYunji

[하윤지] 6주차 과제 - complete

6주차 Server S-Day 과제/Book.java

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+package ServerStudy6Cloud.ServerStudy6Cloud.Domain;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+@Entity
+@Setter @Getter
+@Table(name = "book_info")
+public class Book {
+    @Id
+    @GeneratedValue
+    @Column(name = "book_id")
+    private Long id;
+
+    private String name;//책 이름
+    private String reason;//해당 책을 좋아하는 이유
+}

6주차 Server S-Day 과제/BookForm.java

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+package ServerStudy6Cloud.ServerStudy6Cloud.Controller;
+
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter @Setter
+public class BookForm { //폼에서 입력받은 필드를 그대로 적음
+    //책 이름, 책 좋아하는 이유
+    private String name;
+    private String reason;
+}

6주차 Server S-Day 과제/RdsController.java

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+package ServerStudy6Cloud.ServerStudy6Cloud.Controller;
+
+import ServerStudy6Cloud.ServerStudy6Cloud.Domain.Book;
+import ServerStudy6Cloud.ServerStudy6Cloud.Service.RdsService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequiredArgsConstructor
+public class RdsController {
+    private final RdsService rdsService;
+    //AWS RDS에서 Book list를 가져오는 GetMapping
+//    @GetMapping("/")
+//    public String readDB(Model model){
+//        model.addAttribute("bookForm", new BookForm());
+//        model.addAttribute("books", rdsService.findBooks());
+//        return "index";
+//    }
+    @GetMapping("/")
+    public ResponseEntity<List<Book>> readDB(){
+        List<Book> bookList = rdsService.findBooks();
+        return new ResponseEntity<>(bookList, HttpStatus.OK);
+    }
+
+    //AWS RDS에 Book 객체를 저장하는 PostMapping
+//    @PostMapping("/upload")
+//    public String updateDB(BookForm form){
+//        Book book = new Book();
+//        book.setName(form.getName());
+//        book.setReason(form.getReason());
+//        rdsService.saveBook(book);
+//        return "redirect:/";
+//    }
+    @PostMapping("/upload")
+    public ResponseEntity<Void> updateDB(BookForm form){
+        Book book = new Book();
+        book.setName(form.getName());
+        book.setReason(form.getReason());
+        rdsService.saveBook(book);
+        return new ResponseEntity<>(HttpStatus.CREATED);
+
+    }
+
+}

6주차 Server S-Day 과제/RdsRepository.java

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+package ServerStudy6Cloud.ServerStudy6Cloud.Repository;
+
+import ServerStudy6Cloud.ServerStudy6Cloud.Domain.Book;
+import jakarta.persistence.EntityManager;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+@RequiredArgsConstructor
+public class RdsRepository {
+    private final EntityManager em;
+    //DB에 새로운 책 저장하는 메서드
+    public void save(Book book){
+        em.persist(book); // book 객체 저장
+    }
+
+    //DB에서 모든 책 리스트 가져오는 메서드
+    public List<Book> findAll(){
+        return em.createQuery("select b from Book b", Book.class) //JPQL 쿼리와 조회할 class
+                .getResultList();
+    }
+}

6주차 Server S-Day 과제/RdsService.java

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+package ServerStudy6Cloud.ServerStudy6Cloud.Service;
+
+import ServerStudy6Cloud.ServerStudy6Cloud.Domain.Book;
+import ServerStudy6Cloud.ServerStudy6Cloud.Repository.RdsRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+@Service
+@Transactional
+@RequiredArgsConstructor //final이 있는 argument의 생성자를 자동으로 만들어준다.
+public class RdsService {
+    //RdsRepository를 사용해 DB에 저장하는 로직
+    private final RdsRepository rdsRepository;
+
+    @Transactional(readOnly = true) //위의 transactional을 override
+    public List<Book> findBooks(){
+        return rdsRepository.findAll();
+    }
+
+    public Long saveBook(Book book){
+        rdsRepository.save(book);
+        return book.getId(); //값이 저장되었는지 확인하는 용도
+    }
+
+}

6주차 Server S-Day 과제/applicaion.yml

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+# RDS
+spring:
+  datasource:
+    url: jdbc:mysql://gdsc-rds.cbsa892orvdn.ap-northeast-2.rds.amazonaws.com:3306/study6
+    username: admin
+    password: [password]
+    driver-class-name: com.mysql.cj.jdbc.Driver
+  # hibernate
+  jpa:
+    show-sql: true
+    hibernate:
+      ddl-auto: update
+      dialect: org.hibernate.dialect.MySQL8Dialect

6주차 Server S-Day 과제/하윤지_6주차_과제.md

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+## 📖6주차 과제
+좋아하는 책의 이름, 좋아하는 이유 입력 받고 DB에 저장하기 및 데이터 불러오기
+1. Amazon RDS 환경 구축
+2. 강의 영상 대로 코드 작성하기
+3. postman을 이용해 API 테스트
+
+## ✌️과제 인증
+https://drive.google.com/file/d/1yfBd62XxBBkL7_C4YVLGPu3woH7yTbZY/view?usp=sharing