car-maintenance-system/backend/src/main/java/com/carmaintenance/entity/Vehicle.java

package com.carmaintenance.entity;

import lombok.Data;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;

import javax.persistence.*;
import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.LocalDateTime;

/**
 * 车辆档案实体
 */
@Data
@Entity
@Table(name = "vehicles")
@EntityListeners(AuditingEntityListener.class)
public class Vehicle {

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "vehicle_id")
    private Integer vehicleId;

    @Column(name = "customer_id", nullable = false)
    private Integer customerId;

    @Column(name = "license_plate", nullable = false, unique = true, length = 20)
    private String licensePlate;

    @Column(name = "brand", nullable = false, length = 50)
    private String brand;

    @Column(name = "model", nullable = false, length = 50)
    private String model;

    @Column(name = "color", length = 20)
    private String color;

    @Column(name = "vin", unique = true, length = 17)
    private String vin;

    @Column(name = "engine_no", length = 50)
    private String engineNo;

    @Column(name = "purchase_date")
    private LocalDate purchaseDate;

    @Column(name = "mileage", precision = 10, scale = 2)
    private BigDecimal mileage = BigDecimal.ZERO;

    @Column(name = "last_maintenance_date")
    private LocalDate lastMaintenanceDate;

    @Column(name = "next_maintenance_date")
    private LocalDate nextMaintenanceDate;

    @Enumerated(EnumType.STRING)
    @Column(name = "status")
    private VehicleStatus status = VehicleStatus.normal;

    @CreatedDate
    @Column(name = "create_time", updatable = false)
    private LocalDateTime createTime;

    @LastModifiedDate
    @Column(name = "update_time")
    private LocalDateTime updateTime;

    public enum VehicleStatus {
        normal, in_service, completed
    }
}