72 lines
1.9 KiB
Java
72 lines
1.9 KiB
Java
package com.yunhai.campusnotice.entity;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import lombok.NoArgsConstructor;
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import javax.persistence.*;
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import java.time.LocalDateTime;
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/**
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* 通知阅读记录（懒标记）。对应原 .NET Notify_ReceiveList 的「逐用户阅读状态」语义，
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* 但仅在读者首次查看时落库，避免发通知时预插全员。
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* <p>
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* 唯一约束 (notice_id, reader_account)：同一用户对同一通知只记一条已读。
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*/
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@NoArgsConstructor
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@Data
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@Entity
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@Table(name = "notice_read",
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uniqueConstraints = @UniqueConstraint(
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name = "uk_notice_reader",
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columnNames = {"notice_id", "reader_account"}))
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@EqualsAndHashCode(onlyExplicitlyIncluded = true, callSuper = false)
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public class NoticeRead extends BaseEntity {
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/**
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* 通知ID（关联 notice.id）
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*/
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@Column(name = "notice_id", nullable = false)
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private Integer noticeId;
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/**
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* 读者登录账号
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*/
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@Column(name = "reader_account", nullable = false, length = 64)
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private String readerAccount;
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/**
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* 读者姓名
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*/
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@Column(name = "reader_name", length = 64)
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private String readerName;
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/**
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* 阅读时间
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*/
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@Column(name = "read_time")
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private LocalDateTime readTime;
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// ==================== 阅读身份快照（改造方案 2.3，学员阅读时带出） ====================
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/** 学校ID（取通知 sch_id） */
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@Column(name = "sch_id")
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private Integer schId;
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/** 年级ID快照 */
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@Column(name = "grade_id")
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private Integer gradeId;
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/** 年级名称快照 */
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@Column(name = "grade_name", length = 128)
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private String gradeName;
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/** 班级ID快照 */
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@Column(name = "class_id")
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private Integer classId;
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/** 班级名称快照 */
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@Column(name = "class_name", length = 128)
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private String className;
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}
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