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89 lines
2.7 KiB
89 lines
2.7 KiB
package com.mydreamjob.assessment;
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import jakarta.persistence.*;
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import lombok.AllArgsConstructor;
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import lombok.Builder;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import org.springframework.data.annotation.CreatedDate;
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import org.springframework.data.annotation.LastModifiedDate;
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import org.springframework.data.jpa.domain.support.AuditingEntityListener;
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import java.time.LocalDateTime;
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/**
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* 答卷主记录（V34/V35）。
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*
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* <p>状态流转：DRAFT → IN_PROGRESS → COMPLETED。{@code samplingSeed} 用于抽题随机种子，
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* 持久化但不下发前端。{@code idempotencyKey} 与 {@code studentUserId} 联合唯一实现创建幂等。</p>
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*/
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@Data
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@Builder
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@NoArgsConstructor
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@AllArgsConstructor
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@Entity
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@Table(name = "assessment_attempts")
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@EntityListeners(AuditingEntityListener.class)
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public class AssessmentAttempt {
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public static final String STATUS_DRAFT = "DRAFT";
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public static final String STATUS_IN_PROGRESS = "IN_PROGRESS";
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public static final String STATUS_COMPLETED = "COMPLETED";
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public static final String STATUS_EXPIRED = "EXPIRED";
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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@Column(name = "student_user_id", nullable = false)
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private Long studentUserId;
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@Column(name = "definition_id", nullable = false)
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private Long definitionId;
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@Column(nullable = false, length = 20)
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@Builder.Default
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private String status = STATUS_DRAFT;
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@Column(name = "sampling_seed")
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private Long samplingSeed;
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@Column(name = "question_set_version", nullable = false, length = 40)
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private String questionSetVersion;
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@Column(name = "selected_question_count", nullable = false)
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private Integer selectedQuestionCount;
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@Column(name = "answered_count", nullable = false)
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@Builder.Default
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private Integer answeredCount = 0;
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@Column(name = "idempotency_key", length = 64)
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private String idempotencyKey;
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/** 活跃答卷唯一键：DRAFT/IN_PROGRESS 非空，终态后置 NULL（数据库唯一约束保证同学生同类型仅一份活跃） */
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@Column(name = "active_key", length = 255)
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private String activeKey;
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@Version
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@Column(nullable = false)
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@Builder.Default
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private Long version = 0L;
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@Column(name = "started_at")
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private LocalDateTime startedAt;
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@Column(name = "submitted_at")
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private LocalDateTime submittedAt;
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@Column(name = "completed_at")
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private LocalDateTime completedAt;
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@CreatedDate
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@Column(name = "created_at", nullable = false, updatable = false)
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private LocalDateTime createdAt;
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@LastModifiedDate
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@Column(name = "updated_at", nullable = false)
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private LocalDateTime updatedAt;
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}
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