[8주차]Cow_mvc_practice(0711kc)

src/main/java/com/cow/cow_mvc_practice/comment/entity/Comment.java

@@ -0,0 +1,56 @@
+package com.cow.cow_mvc_practice.comment.entity;
+
+import com.cow.cow_mvc_practice.member.entity.Member;
+import com.cow.cow_mvc_practice.post.entity.Post;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Comment {
+  @Id
+  @GeneratedValue(strategy = GenerationType.IDENTITY)
+  @Column(name = "comment_id")
+  private Long id;
+
+  private String content;
+
+  @ManyToOne(fetch = FetchType.LAZY)
+  @JoinColumn(name = "post_id")
+  private Post post;
+
+  @ManyToOne(fetch = FetchType.LAZY)
+  @JoinColumn(name = "member_id")
+  private Member member;
+
+  @Builder
+  private Comment(final Long id, final String content) {
+    this.id = id;
+    this.content = content;
+  }
+
+  public static Comment from(String content) {
+    return Comment.builder()
+        .content(content)
+        .build();
+  }
+
+  public static Comment of(Long id, String content) {
+    return Comment.builder()
+        .id(id)
+        .content(content)
+        .build();
+  }
+
+}

src/main/java/com/cow/cow_mvc_practice/member/controller/MemberController.java

@@ -2,22 +2,23 @@
 
 import java.util.List;
 
+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.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import com.cow.cow_mvc_practice.member.controller.dto.request.MemberRequest;
 import com.cow.cow_mvc_practice.member.controller.dto.response.MemberResponse;
-import com.cow.cow_mvc_practice.member.entity.Member;
 import com.cow.cow_mvc_practice.member.service.MemberService;
 
 import lombok.RequiredArgsConstructor;
 
-@RestController
+@Controller
 @RequestMapping("/member")
 @RequiredArgsConstructor
 public class MemberController {
@@ -40,23 +41,32 @@ public class MemberController {
 
 	/* MemberResponse dto 적용 */
 	@PostMapping("/new")
-	public MemberResponse create(@RequestBody final MemberRequest memberRequest) {
+	public @ResponseBody MemberResponse create(@RequestBody final MemberRequest memberRequest) {
 		return memberService.join(memberRequest);
 	}
 
 	@GetMapping("/{memberId}")
-	public MemberResponse findMember(@PathVariable final Long memberId) {
+	public @ResponseBody MemberResponse findMember(@PathVariable final Long memberId) {
 		return memberService.findOne(memberId);
 	}
 
+	@DeleteMapping("/{memberId}/delete")
+	public String delete(@PathVariable final Long memberId) {
+		return memberService.delete(memberId);
+	}
+
 	@GetMapping()
-	public MemberResponse findMemberQuery(@RequestParam final Long memberId) {
+	public @ResponseBody MemberResponse findMemberQuery(@RequestParam("id") final Long memberId) {
 		return memberService.findOne(memberId);
 	}
 
-	@GetMapping("all")
-	public List<MemberResponse> findMembers() {
+	@GetMapping("/all")
+	public @ResponseBody List<MemberResponse> findMembers() {
 		return memberService.findAll();
 	}
-}
 
+	@RequestMapping("/{memberId}/post/{path}")
+	public String redirectToPost(@PathVariable final Long memberId, @PathVariable final String path) {
+		return "forward:/post/"+memberId+"/"+path;
+	}
+}

src/main/java/com/cow/cow_mvc_practice/member/controller/dto/request/MemberRequest.java

@@ -5,7 +5,6 @@
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Getter;
-import lombok.RequiredArgsConstructor;
 
 @Getter
 @AllArgsConstructor
@@ -19,6 +18,6 @@ private MemberRequest(final String name) {
 	}
 
 	public static Member toEntity(String name) {
-		return Member.of(name);
+		return Member.from(name);
 	}
 }

src/main/java/com/cow/cow_mvc_practice/member/controller/dto/request/UpdateMemberRequest.java

@@ -1,9 +1,11 @@
 package com.cow.cow_mvc_practice.member.controller.dto.request;
 
+import lombok.AllArgsConstructor;
 import lombok.Getter;
 
 @Getter
+@AllArgsConstructor
 public class UpdateMemberRequest {
 
-	private String name;
+	final String name;
 }

src/main/java/com/cow/cow_mvc_practice/member/controller/dto/response/MemberResponse.java

@@ -2,24 +2,31 @@
 
 import com.cow.cow_mvc_practice.member.entity.Member;
 
+import java.util.ArrayList;
+import java.util.List;
 import lombok.Builder;
 import lombok.Getter;
 
 @Getter
 public class MemberResponse {
 	private final Long id;
 	private final String name;
+	private final List<String> posts;
 
 	@Builder
-	private MemberResponse(final Long id, final String name) {
+	private MemberResponse(final Long id, final String name, final List<String> posts) {
 		this.id = id;
 		this.name = name;
+		this.posts = posts;
 	}
 
-	public static MemberResponse of(final Member member) {
+	public static MemberResponse from(final Member member) {
+		List<String> posts = new ArrayList<>();
+		member.getPosts().forEach((p) -> posts.add(p.getTitle()));
 		return MemberResponse.builder()
 			.id(member.getId())
 			.name(member.getName())
+			.posts(posts)
 			.build();
 	}
-}
+}

src/main/java/com/cow/cow_mvc_practice/member/entity/Member.java

@@ -1,5 +1,6 @@
 package com.cow.cow_mvc_practice.member.entity;
 
+import com.cow.cow_mvc_practice.comment.entity.Comment;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -8,7 +9,6 @@
 import jakarta.persistence.CascadeType;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
-import jakarta.persistence.FetchType;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
@@ -33,19 +33,22 @@ public class Member {
 	@OneToMany(mappedBy = "member", cascade = CascadeType.ALL)
 	private final List<Post> posts = new ArrayList<>();
 
+	@OneToMany(mappedBy = "member", cascade = CascadeType.ALL)
+	private final List<Comment> comments = new ArrayList<>();
+
 	@Builder
 	private Member(final Long id, final String name) {
 		this.id = id;
 		this.name = name;
 	}
 
-	public static Member of(String name) {
+	public static Member from(String name) {
 		return Member.builder()
 			.name(name)
 			.build();
 	}
 
-	public static Member from(Long id, String name) {
+	public static Member of(Long id, String name) {
 		return Member.builder()
 			.id(id)
 			.name(name)

src/main/java/com/cow/cow_mvc_practice/member/repository/MemberRepository.java

@@ -12,4 +12,4 @@ public interface MemberRepository {
 	Optional<Member> findById(Long memberId);
 
 	Optional<List<Member>> findAll();
-}
+}

src/main/java/com/cow/cow_mvc_practice/member/repository/MemberRepositoryImpl.java

@@ -14,7 +14,7 @@ public class MemberRepositoryImpl implements MemberRepository {
 	/**
 	 * 원래라면 HashMap이 아닌, concurrentHashMap이 적합함. HashMap은 멀티 쓰레드 환경에서 사용할 수 없기 때문.(동시성 이슈)
  	 */
-	private static Map<Long, Member> store = new HashMap<>();
+	private static final Map<Long, Member> store = new HashMap<>();
 
 
 	@Override

src/main/java/com/cow/cow_mvc_practice/member/service/MemberService.java

@@ -1,22 +1,19 @@
 package com.cow.cow_mvc_practice.member.service;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import com.cow.cow_mvc_practice.member.controller.dto.request.MemberRequest;
 import com.cow.cow_mvc_practice.member.controller.dto.response.MemberResponse;
-import com.cow.cow_mvc_practice.member.entity.Member;
 
 public interface MemberService {
 
 	/* 기본 */
 	// void join(MemberRequest memberRequest);
 	// Member findOne(Long memberId);
 
-
 	/* MemberResponse dto 적용 */
 	MemberResponse findOne(Long memberId);
 	MemberResponse join(MemberRequest memberRequest);
 	List<MemberResponse> findAll();
+	String delete(Long memberId);
 }
-

src/main/java/com/cow/cow_mvc_practice/member/service/MemberServiceImpl.java

@@ -1,6 +1,5 @@
 package com.cow.cow_mvc_practice.member.service;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -11,7 +10,6 @@
 import com.cow.cow_mvc_practice.member.controller.dto.response.MemberResponse;
 import com.cow.cow_mvc_practice.member.entity.Member;
 import com.cow.cow_mvc_practice.member.repository.MemberJPARepository;
-import com.cow.cow_mvc_practice.member.repository.MemberRepository;
 
 import jakarta.persistence.EntityNotFoundException;
 import lombok.RequiredArgsConstructor;
@@ -41,24 +39,30 @@ public class MemberServiceImpl implements MemberService {
 	/* MemberResponse dto 적용 */
 	@Override
 	public MemberResponse join(MemberRequest memberRequest) {
-		Member member = Member.of(memberRequest.getName());
+		Member member = Member.from(memberRequest.getName());
 		memberRepository.save(member);
-		return MemberResponse.of(member);
+		return MemberResponse.from(member);
 	}
 
 	@Transactional(readOnly = true)
 	@Override
 	public MemberResponse findOne(Long memberId) {
 		Member member = memberRepository.findById(memberId)
 			.orElseThrow(() -> new EntityNotFoundException("[Error] 사용자를 찾을 수 없습니다."));
-		return MemberResponse.of(member);
+		return MemberResponse.from(member);
 	}
 
 	@Override
 	public List<MemberResponse> findAll() {
 		List<Member> members = memberRepository.findAll();
 		return members.stream()
-			.map(MemberResponse::of)
+			.map(MemberResponse::from)
 			.collect(Collectors.toList());
 	}
+
+	@Override
+	public String delete(Long memberId) {
+		memberRepository.deleteById(memberId);
+		return "삭제에 성공하였습니다.";
+	}
 }

src/main/java/com/cow/cow_mvc_practice/post/controller/PostController.java

@@ -0,0 +1,47 @@
+package com.cow.cow_mvc_practice.post.controller;
+
+import com.cow.cow_mvc_practice.post.controller.dto.request.PostRequest;
+import com.cow.cow_mvc_practice.post.controller.dto.response.PostResponse;
+import com.cow.cow_mvc_practice.post.service.PostService;
+import java.util.List;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/post")
+@RequiredArgsConstructor
+public class PostController {
+
+  private final PostService postService;
+
+  @PostMapping("/members/{memberId}/new")
+  public PostResponse create(@PathVariable final Long memberId ,@RequestBody final PostRequest postRequest) {
+    return postService.join(memberId, postRequest);
+  }
+
+  @GetMapping("/{postId}")
+  public PostResponse findMember(@PathVariable final Long postId) {
+    return postService.findOne(postId);
+  }
+
+  @GetMapping()
+  public PostResponse findPostQuery(@RequestParam("id") final Long postId) {
+    return postService.findOne(postId);
+  }
+
+  @GetMapping("all")
+  public List<PostResponse> findPosts() {
+    return postService.findAll();
+  }
+
+  @PostMapping("/{memberId}/new")
+  public PostResponse create2(@PathVariable final Long memberId, @RequestBody final PostRequest postRequest) {
+    return postService.join(memberId, postRequest);
+  }
+}

src/main/java/com/cow/cow_mvc_practice/post/controller/dto/request/PostRequest.java

@@ -0,0 +1,30 @@
+package com.cow.cow_mvc_practice.post.controller.dto.request;
+
+import java.time.LocalDateTime;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import org.springframework.format.annotation.DateTimeFormat;
+
+@Getter
+@AllArgsConstructor
+public class PostRequest {
+  Long id;
+  final String title;
+  final String content;
+  @DateTimeFormat(pattern = "yyyy-MM-dd'T'HH:mm:ss")
+  final LocalDateTime date;
+
+  public PostRequest() {
+    this.title = "";
+    this.content = "";
+    this.date = LocalDateTime.now();
+  }
+
+  @Builder
+  private PostRequest(final String title, final String content, final LocalDateTime date) {
+    this.title = title;
+    this.content = content;
+    this.date = date;
+  }
+}