feat: CommentRestController implemented

back/src/main/java/net/daw/alist/controllers/rest/CommentRestController.java

@@ -1,9 +1,61 @@
 package net.daw.alist.controllers.rest;
 
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import net.daw.alist.models.Comment;
+import net.daw.alist.models.Post;
+import net.daw.alist.services.PostService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Optional;
 
 @RestController
 @RequestMapping("/api/comments")
 public class CommentRestController {
+    @Autowired
+    private PostService postService;
+
+    @PostMapping("/{postId}")
+    @ResponseStatus(HttpStatus.CREATED)
+    public Comment createComment(Comment comment, @PathVariable long postId) {
+        Optional<Post> optionalPost = postService.findByID(postId);
+        if(optionalPost.isPresent()) {
+            Post post = optionalPost.get();
+            post.addComment(comment);
+            postService.save(post);
+            return comment;
+        }
+        return null;
+    }
+
+    @GetMapping("/{postId}/{commentId}")
+    public ResponseEntity<Comment> getComment(@PathVariable long postId, @PathVariable long commentId) {
+        Optional<Post> optionalPost = postService.findByID(postId);
+        if (optionalPost.isPresent()) {
+            Post post = optionalPost.get();
+            Optional<Comment> optionalComment = post.getCommentByID(commentId);
+            if(optionalComment.isPresent()){
+                Comment comment = optionalComment.get();
+                return new ResponseEntity<>(comment, HttpStatus.OK);
+            }
+        }
+        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+    }
+
+    @DeleteMapping("/{postId}/{commentId}")
+    public ResponseEntity<Post> deletePost(@PathVariable long postId, @PathVariable long commentId) {
+        Optional<Post> optionalPost = postService.findByID(postId);
+        if (optionalPost.isPresent()) {
+            Post post = optionalPost.get();
+            Optional<Comment> optionalComment = post.getCommentByID(commentId);
+            if(optionalComment.isPresent()){
+                Comment comment = optionalComment.get();
+                post.getComments().remove(comment);
+                postService.save(post);
+                return new ResponseEntity<>(HttpStatus.OK);
+            }
+        }
+        return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+    }
 }

back/src/main/java/net/daw/alist/models/Comment.java

@@ -78,4 +78,5 @@ public String getImagePath() {
     return imagePath;
   }
 
+  public Long getId() {return id;}
 }

back/src/main/java/net/daw/alist/models/Post.java

@@ -1,11 +1,8 @@
 package net.daw.alist.models;
 
-import java.util.List;
+import net.bytebuddy.dynamic.DynamicType;
 
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.HashSet;
-import java.util.Set;
+import java.util.*;
 
 import javax.persistence.*;
 
@@ -140,4 +137,13 @@ public void addComment(Comment comment){
   public void removeDownVote(User user) { this.downVotes.remove(user); }
 
 
+    public Optional<Comment> getCommentByID(long commentId) {
+      for (Comment comment:comments) {
+        if(comment.getId() == commentId){
+          Optional<Comment> optionalComment = Optional.of(comment);
+          return optionalComment;
+        }
+      }
+      return null;
+    }
 }