[spring-jpa-2] ivy.lee(이다예) 과제 제출합니다.

spring-data-jpa-2/initial/src/main/java/cholog/Author.java

@@ -1,17 +1,26 @@
 package cholog;
 
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
+
+import java.util.Set;
 
 @Entity
 public class Author {
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
+    @OneToOne
+    private Person person;
+
+    @OneToMany(mappedBy = "author")
+    Set<BookAuthor> books;
+
+//    @ManyToMany(mappedBy = "authors")
+//    Set<Book> books;
+
     public Author(Person person) {
+        this.person = person;
     }
 
     public Author() {
@@ -22,6 +31,6 @@ public Long getId() {
     }
 
     public Person getPerson() {
-        return null;
+        return person;
     }
 }

spring-data-jpa-2/initial/src/main/java/cholog/Book.java

@@ -1,9 +1,6 @@
 package cholog;
 
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
 
 import java.util.Set;
 
@@ -14,11 +11,19 @@ public class Book {
     private Long id;
     private String name;
 
+    @ManyToOne
+    private Publisher publisher;
+
+    @OneToMany(mappedBy="book")
+    Set<BookAuthor> authors;
+
     public Book() {
 
     }
 
     public Book(String name, Publisher publisher) {
+        this.name = name;
+        this.publisher = publisher;
     }
 
     public Long getId() {
@@ -30,7 +35,7 @@ public String getName() {
     }
 
     public Publisher getPublisher() {
-        return null;
+        return publisher;
     }
 
     public Set<Author> getAuthors() {

spring-data-jpa-2/initial/src/main/java/cholog/BookAuthor.java

@@ -1,6 +1,19 @@
 package cholog;
 
+import jakarta.persistence.*;
+
+@Entity
 public class BookAuthor {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne
+    private Book book;
+
+    @ManyToOne
+    private Author author;
+
     public BookAuthor(Book book, Author author) {
 
     }

spring-data-jpa-2/initial/src/main/java/cholog/Person.java

@@ -1,9 +1,6 @@
 package cholog;
 
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
 
 @Entity
 public class Person {
@@ -12,6 +9,9 @@ public class Person {
     private Long id;
     private String name;
 
+    @OneToOne(mappedBy = "person")
+    private Author author;
+
     public Person() {
 
     }
@@ -29,6 +29,6 @@ public String getName() {
     }
 
     public Author getAuthor() {
-        return null;
+        return author;
     }
 }

spring-data-jpa-2/initial/src/main/java/cholog/Publisher.java

@@ -1,9 +1,6 @@
 package cholog;
 
-import jakarta.persistence.Entity;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
+import jakarta.persistence.*;
 
 import java.util.Set;
 
@@ -14,6 +11,12 @@ public class Publisher {
     private Long id;
     private String name;
 
+    @OneToMany(mappedBy="publisher")
+    Set<Book> books;
+
+    @ManyToOne
+    Publisher publisher;
+
     public Publisher(String name) {
         this.name = name;
     }
@@ -34,6 +37,6 @@ public void addBook(Book book) {
     }
 
     public Set<Book> getBooks() {
-        return null;
+        return books;
     }
 }

spring-mvc-1/initial/src/main/java/cholog/MemberController.java

@@ -1,18 +1,33 @@
 package cholog;
 
 import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 @Controller
 public class MemberController {
-
-    public String world() {
+    @GetMapping("/hello")
+    public String world(@RequestParam(name = "name", required = false)  String name, Model model) {
         // TODO: /hello 요청 시 resources/templates/static.html 페이지가 응답할 수 있도록 설정하세요.
         // TODO: 쿼리 파라미터로 name 요청이 들어왔을 때 해당 값을 hello.html에서 사용할 수 있도록 하세요.
-        return null;
+        if (name == null){
+            // 쿼리 파라미터가 없는 경우
+            return "static";
+        } else {
+            // 쿼리 파라미터가 있는 경우.
+            model.addAttribute("name", name);
+            return "hello";
+        }
+
+
     }
 
+    @GetMapping("/json")
+    @ResponseBody
     public Person json() {
         // TODO: /json 요청 시 {"name": "brown", "age": 20} 데이터를 응답할 수 있도록 설정하세요.
-        return null;
+        return new Person("brown", 20);
     }
 }

spring-mvc-2/initial/src/main/java/cholog/MemberController.java

@@ -5,12 +5,11 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicLong;
+
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.DeleteMapping;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.*;
 
 @Controller
 public class MemberController {
@@ -19,41 +18,42 @@ public class MemberController {
     private final AtomicLong index = new AtomicLong(1);
 
     @PostMapping("/members")
-    public ResponseEntity<Void> create() {
+    public ResponseEntity<Void> create(@RequestBody Member member) {
         // TODO: member 정보를 받아서 생성한다.
-        Member newMember = Member.toEntity(null, index.getAndIncrement());
+        Member newMember = Member.toEntity(member, index.getAndIncrement());
         members.add(newMember);
         return ResponseEntity.created(URI.create("/members/" + newMember.getId())).build();
     }
 
     @GetMapping("/members")
     public ResponseEntity<List<Member>> read() {
         // TODO: 저장된 모든 member 정보를 반환한다.
-        return null;
+        return new ResponseEntity<>(members, HttpStatus.OK);
     }
 
     @PutMapping("/members/{id}")
-    public ResponseEntity<Void> update() {
+    public ResponseEntity<Void> update(@PathVariable Long id, @RequestBody Member newMember) {
         // TODO: member의 수정 정보와 url 상의 id 정보를 받아 member 정보를 수정한다.
         Member member = members.stream()
-            .filter(it -> Objects.equals(it.getId(), null))
+            .filter(it -> Objects.equals(it.getId(), id))
             .findFirst()
             .orElseThrow(RuntimeException::new);
 
-        member.update(null);
+        member.update(newMember);
+        //return new ResponseEntity<>(null, HttpStatus.NO_CONTENT); 이건 왜 안되는지?
         return null;
     }
 
     @DeleteMapping("/members/{id}")
-    public ResponseEntity<Void> delete() {
+    public ResponseEntity<Void> delete(@PathVariable Long id) {
         // TODO: url 상의 id 정보를 받아 member를 삭제한다.
         Member member = members.stream()
-            .filter(it -> Objects.equals(it.getId(), null))
+            .filter(it -> Objects.equals(it.getId(), id))
             .findFirst()
             .orElseThrow(RuntimeException::new);
 
         members.remove(member);
 
-        return null;
+        return new ResponseEntity<>(HttpStatus.NO_CONTENT);
     }
 }