package com.rongyichuang.carousel.entity;

import com.rongyichuang.common.entity.BaseEntity;
import jakarta.persistence.*;
import org.hibernate.annotations.Where;

/**
 * 轮播图（新闻与推广）实体类
 */
@Entity
@Table(name = "t_carousel")
@Where(clause = "state = 1")
public class Carousel extends BaseEntity {

    /**
     * 新闻标题
     */
    @Column(name = "title", nullable = false, length = 100)
    private String title;

    /**
     * 新闻内容
     */
    @Column(name = "description", length = 255)
    private String content;

    /**
     * 播放顺序
     */
    @Column(name = "sort_order")
    private Integer sortOrder;

    /**
     * 创建用户ID
     */
    @Column(name = "create_user_id")
    private Long createUserId;

    /**
     * 更新用户ID
     */
    @Column(name = "update_user_id")
    private Long updateUserId;

    /**
     * 版本号（乐观锁）
     */
    @Version
    @Column(name = "version", nullable = false)
    private Long version = 0L;

    /**
     * 媒体数量（冗余字段，用于列表显示）
     */
    @Transient
    private Integer mediaCount;

    // Getters and Setters
    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public Integer getSortOrder() {
        return sortOrder;
    }

    public void setSortOrder(Integer sortOrder) {
        this.sortOrder = sortOrder;
    }

    public Integer getMediaCount() {
        return mediaCount;
    }

    public void setMediaCount(Integer mediaCount) {
        this.mediaCount = mediaCount;
    }

    public Long getCreateUserId() {
        return createUserId;
    }

    public void setCreateUserId(Long createUserId) {
        this.createUserId = createUserId;
    }

    public Long getUpdateUserId() {
        return updateUserId;
    }

    public void setUpdateUserId(Long updateUserId) {
        this.updateUserId = updateUserId;
    }

    public Long getVersion() {
        return version;
    }

    public void setVersion(Long version) {
        this.version = version;
    }
}