Feat: comment 엔티티 구현

src/main/java/notai/comment/application/CommentQueryService.java

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+package notai.comment.application;
+
+public class CommentQueryService {
+}

src/main/java/notai/comment/application/CommentService.java

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+package notai.comment.application;
+
+public class CommentService {
+}

src/main/java/notai/comment/domain/Comment.java

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+package notai.comment.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import jakarta.validation.constraints.NotNull;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import notai.common.domain.RootEntity;
+
+import java.math.BigInteger;
+import java.time.LocalDateTime;
+
+import static jakarta.persistence.GenerationType.IDENTITY;
+import static lombok.AccessLevel.PROTECTED;
+
+@Entity
+@Table(name = "comment")
+@Getter
+@NoArgsConstructor(access = PROTECTED)
+@AllArgsConstructor
+public class Comment extends RootEntity<Long> {
+    @Id
+    @GeneratedValue(strategy = IDENTITY)
+    private Long id;
+    @Column(nullable = false)
+    private Long member_id;
+    @Column(nullable = false)
+    private Long post_id;
+    @Column(nullable = false)
+    private Long parent_comment_id;
+    @Column(nullable = false)
+    private String content;
+    @Column(nullable = false)
+    private LocalDateTime created_at;
+    @Column(nullable = false)
+    private LocalDateTime updated_at;
+
+    public Comment(
+            @Auth memberId,
+            Long post_id,
+            String content
+    ) {
+        this.member_id = memberId;
+        this.post_id = post_id;
+        this.content = content;
+    }
+
+}

src/main/java/notai/comment/domain/CommentRepository.java

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+package notai.comment.domain;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.math.BigInteger;
+
+@Repository
+public interface CommentRepository extends JpaRepository<Comment, BigInteger> {
+
+}

src/main/java/notai/comment/presentation/CommentController.java

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+package notai.comment.presentation;
+
+public class CommentController {
+}

src/main/java/notai/post/application/PostQueryService.java

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+package notai.post.application;
+
+public class PostQueryService {
+}

src/main/java/notai/post/application/PostService.java

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+package notai.post.application;
+
+public class PostService {
+}

src/main/java/notai/post/domain/Post.java

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+package notai.post.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+import java.time.LocalDateTime;
+
+import static jakarta.persistence.GenerationType.IDENTITY;
+import static lombok.AccessLevel.PROTECTED;
+
+@Getter
+@NoArgsConstructor(access = PROTECTED)
+@AllArgsConstructor
+@Entity
+public class Post {
+    @Id
+    @GeneratedValue(strategy = IDENTITY)
+    private Long id;
+    @Column(nullable = false)
+    private Long member_id;
+    @Column(nullable = false)
+    private String title;
+    @Column(nullable = false)
+    private String contents;
+    @Column(nullable = false)
+    private LocalDateTime created_at;
+    @Column(nullable = false)
+    private LocalDateTime updated_at;
+
+    public Post(
+            @Auth memberId,
+            String title,
+            String contents
+    ) {
+        this.member_id = memberId;
+        this.title = title;
+        this.contents = contents;
+    }
+}

src/main/java/notai/post/domain/PostRepository.java

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+package notai.post.domain;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.math.BigInteger;
+
+@Repository
+public interface PostRepository extends JpaRepository<Post, BigInteger> {
+
+}

src/main/java/notai/post/presentation/PostController.java

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+package notai.post.presentation;
+
+public class PostController {
+}