127 lines
3.8 KiB
JavaScript
127 lines
3.8 KiB
JavaScript
import { getSystemDbPath } from './path.js';
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import { executeWithRetry } from './utils.js';
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import { openDatabase } from './utils.js';
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/**
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* 查询所有考试
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* @returns {Promise<Array>} 考试列表
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*/
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export async function getAllExams() {
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const db = await openDatabase(getSystemDbPath());
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return executeWithRetry(db, async () => {
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const sql = 'SELECT * FROM exam ORDER BY created_at DESC';
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return await db.allAsync(sql);
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});
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}
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/**
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* 根据ID查询考试
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* @param {number} id 考试ID
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* @returns {Promise<Object|null>} 考试数据或null
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*/
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export async function getExamById(id) {
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const db = await openDatabase(getSystemDbPath());
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return executeWithRetry(db, async () => {
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const sql = 'SELECT * FROM exam WHERE id = ?';
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return await db.getAsync(sql, [id]);
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});
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}
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/**
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* 查询ID最大的考试记录
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* @returns {Promise<Object|null>} 考试数据或null
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*/
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export async function getLastExam() {
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const db = await openDatabase(getSystemDbPath());
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return executeWithRetry(db, async () => {
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const sql = 'SELECT * FROM exam ORDER BY id DESC LIMIT 1';
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return await db.getAsync(sql);
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});
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}
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/**
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* 添加考试
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* @param {Object} examData 考试数据
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* @returns {Promise<Object>} 添加的考试
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*/
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export async function createExam(examData) {
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const { exam_name, exam_description, exam_examinee_type, exam_notice, exam_minutes, exam_minutes_min } = examData;
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const db = await openDatabase(getSystemDbPath());
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return executeWithRetry(db, async () => {
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const sql = 'INSERT INTO exam (exam_name, exam_description, exam_examinee_type, exam_notice, exam_minutes, exam_minutes_min) VALUES (?, ?, ?, ?, ?, ?)';
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const result = await db.runAsync(sql, [
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exam_name,
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exam_description || '',
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exam_examinee_type,
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exam_notice || '',
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exam_minutes,
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exam_minutes_min || 0
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]);
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// 检查result是否存在，如果不存在则获取最后插入的ID
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let lastId;
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if (result && result.lastID) {
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lastId = result.lastID;
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} else {
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// 使用另一种方式获取最后插入的ID
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const idResult = await db.getAsync('SELECT last_insert_rowid() as id');
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lastId = idResult ? idResult.id : null;
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}
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if (!lastId) {
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throw new Error('无法获取插入的考试ID');
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}
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return { id: lastId, ...examData };
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});
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}
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/**
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* 更新考试
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* @param {number} id 考试ID
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* @param {Object} examData 更新的数据
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* @returns {Promise<boolean>} 是否更新成功
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*/
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export async function updateExam(id, examData) {
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const { exam_name, exam_description, exam_examinee_type, exam_notice, exam_minutes, exam_minutes_min } = examData;
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const db = await openDatabase(getSystemDbPath());
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return executeWithRetry(db, async () => {
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const sql = 'UPDATE exam SET exam_name = ?, exam_description = ?, exam_examinee_type = ?, exam_notice = ?, exam_minutes = ?, exam_minutes_min = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?';
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const result = await db.runAsync(sql, [
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exam_name,
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exam_description || '',
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exam_examinee_type,
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exam_notice || '',
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exam_minutes,
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exam_minutes_min || 0,
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id
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]);
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// 检查result是否存在以及是否有changes属性
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if (!result || result.changes === undefined) {
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return false;
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}
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return result.changes > 0;
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});
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}
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/**
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* 删除考试
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* @param {number} id 考试ID
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* @returns {Promise<boolean>} 是否删除成功
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*/
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export async function deleteExam(id) {
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const db = await openDatabase(getSystemDbPath());
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return executeWithRetry(db, async () => {
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const sql = 'DELETE FROM exam WHERE id = ?';
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const result = await db.runAsync(sql, [id]);
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// 检查result是否存在以及是否有changes属性
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if (!result || result.changes === undefined) {
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return false;
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}
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return result.changes > 0;
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});
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} |