ClassPost.java

package com.wavii.model;

import jakarta.persistence.*;
import lombok.*;

import java.time.LocalDateTime;
import java.util.UUID;

/**
 * Entidad que representa una publicación o anuncio de un profesor en su tablón.
 */
@Entity
@Table(name = "class_posts")
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class ClassPost {

    @Id
    @GeneratedValue(strategy = GenerationType.UUID)
    private UUID id;

    @ManyToOne(fetch = FetchType.LAZY, optional = false)
    @JoinColumn(name = "teacher_id", nullable = false)
    private User teacher;

    @Column(length = 120, nullable = false)
    private String title;

    @Column(length = 2000, nullable = false)
    private String content;

    @Column(nullable = false, updatable = false)
    @Builder.Default
    private LocalDateTime createdAt = LocalDateTime.now();
}