package com.campus.common;

import com.fasterxml.jackson.annotation.JsonFormat;
import lombok.Data;
import org.hibernate.annotations.Where;
import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;

import javax.persistence.*;
import java.io.Serializable;
import java.util.Date;
import java.util.UUID;

@Data
@MappedSuperclass
@Where(clause = "deleted = false")
public abstract class BaseEntity implements Serializable {

    @Id
    @Column(name = "id", nullable = false, updatable = false, length = 36)
    private String id;

    /** 逻辑删除标记：true-已删除，false-未删除 */
    @Column(name = "deleted", nullable = false)
    private Boolean deleted = false;

    @CreationTimestamp
    @Column(name = "created_at", nullable = false, updatable = false)
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
    private Date createdAt;

    @UpdateTimestamp
    @Column(name = "updated_at", nullable = false)
    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
    private Date updatedAt;

    @PrePersist
    public void prePersist() {
        if (this.id == null) {
            this.id = UUID.randomUUID().toString();
        }
    }
}