과제 3

src/main/java/kr/megaptera/assignment/controllers/CommentController.java

@@ -1,12 +1,75 @@
 package kr.megaptera.assignment.controllers;
 
 import kr.megaptera.assignment.dtos.CommentDto;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@RestController
+@RequestMapping("/comments")
 public class CommentController {
     private Long newId = 0L;
 
     private List<CommentDto> commentDtos = new ArrayList<>();
+
+    @GetMapping("/")
+    public List<CommentDto> getComments(
+            @RequestParam Long postId
+    ) {
+        System.out.println("getComments for postId:" + postId);
+        return commentDtos.stream()
+                .filter(commentDto -> commentDto.getPostId().equals(postId))
+                .toList();
+    }
+
+    @PostMapping("/")
+    public CommentDto createComment(
+            @RequestParam Long postId,
+            CommentDto commentDto
+    ) {
+        System.out.println("createComment for postId:" + postId);
+        commentDto.setComment(
+                newId++,
+                postId,
+                commentDto.getContent()
+        );
+        commentDtos.add(commentDto);
+        return commentDto;
+    }
+
+    @PutMapping("/{id}")
+    public CommentDto updateComment(
+            @PathVariable Long id,
+            CommentDto commentDto
+    ) {
+        System.out.println("updateComment for id:" + id);
+
+        for (CommentDto comment : commentDtos) {
+            if (comment.getId().equals(id)) {
+                comment.setComment(
+                        commentDto.getId(),
+                        commentDto.getPostId(),
+                        commentDto.getContent()
+                );
+                return comment;
+            }
+        }
+
+        return null;
+    }
+
+    @DeleteMapping("/{id}")
+    public void deleteComment(
+            @PathVariable Long id
+    ) {
+        System.out.println("deleteComment for id:" + id);
+
+        for (CommentDto comment : commentDtos) {
+            if (comment.getId().equals(id)) {
+                commentDtos.remove(comment);
+                return;
+            }
+        }
+    }
 }

src/main/java/kr/megaptera/assignment/controllers/PostController.java

@@ -1,12 +1,70 @@
 package kr.megaptera.assignment.controllers;
 
 import kr.megaptera.assignment.dtos.PostDto;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.ArrayList;
 import java.util.List;
 
+@RestController
+@RequestMapping("/posts")
 public class PostController {
     private Long newId = 0L;
-
     private List<PostDto> postDtos = new ArrayList<>();
+
+    @GetMapping()
+    public List<PostDto> getPosts() {
+        System.out.println("getPosts");
+        return postDtos;
+    }
+
+    @PostMapping()
+    public PostDto createPost(PostDto postDto) {
+        System.out.println("createPost");
+        postDto.setPost(
+                newId++,
+                postDto.getTitle(),
+                postDto.getContent()
+        );
+        postDtos.add(postDto);
+        return postDto;
+    }
+
+    @PutMapping("/{id}")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public PostDto updatePost(
+            @PathVariable Long id,
+            PostDto postDto
+    ) {
+        System.out.println("updatePost");
+
+        for (PostDto post : postDtos) {
+            if (post.getId().equals(id)) {
+                post.setPost(
+                        postDto.getId(),
+                        postDto.getTitle(),
+                        postDto.getContent()
+                );
+                return post;
+            }
+        }
+
+        return null;
+    }
+
+    @DeleteMapping("/{id}")
+    @ResponseStatus(HttpStatus.NO_CONTENT)
+    public void deletePost(
+            @PathVariable Long id
+    ) {
+        System.out.println("deletePost");
+
+        for (PostDto post : postDtos) {
+            if (post.getId().equals(id)) {
+                postDtos.remove(post);
+                return;
+            }
+        }
+    }
 }

src/main/java/kr/megaptera/assignment/dtos/CommentDto.java

@@ -1,4 +1,40 @@
 package kr.megaptera.assignment.dtos;
 
 public class CommentDto {
+    private Long id;
+    private Long postId;
+    private String content;
+
+    public CommentDto(
+            Long id,
+            Long postId,
+            String content
+    ) {
+        this.id = id;
+        this.postId = postId;
+        this.content = content;
+    }
+
+    public Long getId() {
+        return this.id;
+    }
+
+    public Long getPostId() {
+        return this.postId;
+    }
+
+    public String getContent() {
+        return this.content;
+    }
+
+    // setter
+    public void setComment(
+            Long id,
+            Long postId,
+            String content
+    ) {
+        this.id = id;
+        this.postId = postId;
+        this.content = content;
+    }
 }

src/main/java/kr/megaptera/assignment/dtos/PostDto.java

@@ -1,4 +1,40 @@
 package kr.megaptera.assignment.dtos;
 
 public class PostDto {
+    private Long id;
+    private String title;
+    private String content;
+
+    public PostDto(
+            Long id,
+            String title,
+            String content
+    ) {
+        this.id = id;
+        this.title = title;
+        this.content = content;
+    }
+
+    public Long getId() {
+        return this.id;
+    }
+
+    public String getTitle() {
+        return this.title;
+    }
+
+    public String getContent() {
+        return this.content;
+    }
+
+    // setter
+    public void setPost(
+            Long id,
+            String title,
+            String content
+    ) {
+        this.id = id;
+        this.title = title;
+        this.content = content;
+    }
 }