55 lines
2.0 KiB
JavaScript
55 lines
2.0 KiB
JavaScript
const db = require('../config/database');
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class Score {
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static async findByStudentId(studentId) {
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const sql = `
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SELECT s.*, c.course_code, c.course_name, c.credit,
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u.name as teacher_name
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FROM scores s
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JOIN courses c ON s.course_id = c.id
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JOIN users u ON s.teacher_id = u.id
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WHERE s.student_id = ?
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ORDER BY s.created_at DESC
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`;
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return await db.query(sql, [studentId]);
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}
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static async findDetailsById(scoreId, studentId) {
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const sql = `
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SELECT s.*, c.course_code, c.course_name, c.credit, c.semester,
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u.name as teacher_name, u.email as teacher_email,
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st.id as student_number, st.class as class_name
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FROM scores s
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JOIN courses c ON s.course_id = c.id
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JOIN users u ON s.teacher_id = u.id
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JOIN students st ON s.student_id = st.id
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WHERE s.id = ? AND st.id = ?
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`;
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const rows = await db.query(sql, [scoreId, studentId]);
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return rows[0];
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}
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static async create(scoreData) {
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const { studentId, courseId, teacherId, score, gradePoint, gradeLevel, examDate, remark } = scoreData;
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const sql = `
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INSERT INTO scores (student_id, course_id, teacher_id, score,
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grade_point, grade_level, created_at, remark)
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VALUES (?, ?, ?, ?, ?, ?, NOW(), ?)
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`;
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// 注意：这里用 created_at 替代了 examDate，如果数据库有 examDate 列可以改回去
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const result = await db.pool.execute(sql, [
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studentId, courseId, teacherId, score, gradePoint, gradeLevel, remark
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]);
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return result[0].insertId;
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}
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static async findByStudentAndCourse(studentId, courseId) {
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const rows = await db.query(
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'SELECT * FROM scores WHERE student_id = ? AND course_id = ?',
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[studentId, courseId]
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);
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return rows[0];
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}
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}
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module.exports = Score; |