2026-09-21 11:57:58 +08:00
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'use strict';
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/**
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* 综合大题作答模型 - BigQuestionAnswer
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*
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* 对应 big_question_answers 表(2026-09-21 新增)。
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*
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* 一对一行:UNIQUE(aggregation_uid) —— 一个考生一行数据(用户明确要求的存储形态),
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* 同时与「逐题一行」的客观题表 zhongzhi_submissions / gaozhi_submissions 完全隔离。
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*
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* question_snapshot:抽题那一刻的题干快照(JSON 文本)。因 MariaDB 5.5 无 JSON 列类型,
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* 以 MEDIUMTEXT 存储,由应用层 JSON.stringify / JSON.parse 处理。
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*/
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module.exports = app => {
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const { STRING, INTEGER, DATE, TEXT } = app.Sequelize;
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2026-09-28 15:50:46 +08:00
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// 分数列统一走共享工厂(DECIMAL(6,2) + Number 兜底,见 app/lib/decimal_score.js)
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2026-09-23 18:29:50 +08:00
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const decimalScore = require('../lib/decimal_score')(app);
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2026-09-21 11:57:58 +08:00
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return app.model.define('BigQuestionAnswer', {
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id: {
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type: INTEGER,
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primaryKey: true,
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autoIncrement: true,
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comment: '主键ID',
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},
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aggregation_uid: {
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type: INTEGER,
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allowNull: false,
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comment: '聚合报名ID(中职/高职组 == contestants.id),唯一 → 一考生一行',
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},
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contestant_id: {
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type: INTEGER,
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allowNull: true,
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comment: '选手ID(冗余,便于管理端查证与排障)',
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},
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group: {
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type: STRING(20),
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allowNull: false,
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comment: '组别:zhongzhi/gaozhi',
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},
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big_question_id: {
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type: INTEGER,
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allowNull: true,
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comment: '抽中的大题ID',
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},
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big_question_uid: {
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type: STRING(64),
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allowNull: true,
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comment: '抽中的大题稳定标识',
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},
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question_snapshot: {
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type: TEXT('medium'),
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allowNull: true,
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comment: '抽题时刻的题干快照 JSON(防纠纷存证)',
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},
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answer_1: {
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type: TEXT,
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allowNull: true,
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comment: '第1小问作答(上限 2000 字)',
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},
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answer_2: {
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type: TEXT,
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allowNull: true,
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comment: '第2小问作答(上限 2000 字)',
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},
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answer_3: {
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type: TEXT,
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allowNull: true,
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comment: '第3小问作答(上限 2000 字)',
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},
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2026-09-28 15:50:46 +08:00
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score_1: decimalScore('score_1', '第1小问得分(0-10,可含 2 位小数)'),
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score_2: decimalScore('score_2', '第2小问得分(0-10,可含 2 位小数)'),
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score_3: decimalScore('score_3', '第3小问得分(0-10,可含 2 位小数)'),
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total_score: decimalScore('total_score', '三小问得分合计(可含 2 位小数)'),
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2026-09-21 11:57:58 +08:00
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submit_time: {
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type: DATE,
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allowNull: true,
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comment: '随整卷正式提交写入(未提交为 NULL)',
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},
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created_at: {
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type: DATE,
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defaultValue: app.Sequelize.NOW,
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comment: '创建时间',
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},
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updated_at: {
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type: DATE,
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defaultValue: app.Sequelize.NOW,
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comment: '更新时间',
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},
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}, {
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tableName: 'big_question_answers',
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timestamps: true,
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createdAt: 'created_at',
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updatedAt: 'updated_at',
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});
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};
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