package com.openisle.model; import jakarta.persistence.*; import lombok.Getter; import lombok.NoArgsConstructor; import lombok.Setter; import java.time.LocalDateTime; @Entity @Getter @Setter @NoArgsConstructor @Table(name = "comments") public class Comment { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private Long id; @Column(nullable = false, columnDefinition = "TEXT") private String content; @Column(nullable = false) private LocalDateTime createdAt; @ManyToOne(fetch = FetchType.LAZY, optional = false) @JoinColumn(name = "author_id") private User author; @ManyToOne(fetch = FetchType.LAZY, optional = false) @JoinColumn(name = "post_id") private Post post; @ManyToOne(fetch = FetchType.LAZY) @JoinColumn(name = "parent_id") private Comment parent; @PrePersist protected void onCreate() { this.createdAt = LocalDateTime.now(); } }