stratos/lib/Student.js

'use strict';

const User = require('./User');

class Student extends User {
	constructor(conn, id) {
		super(conn, id, 'student');
	}

	async getTestResults() {
		const sql = `
			select
				testResultId
			from
				testResult
			where
				studentId = ?
			order by
				time desc;
		`;

		const records = await this._conn.runQuery(sql, [ this.id ]);

		return Promise.all(records.map(r => {
			return new (require('./TestResult'))(
				this._conn,
				r.testResultId
			);
		}));
	}

	async getParents() {
		const sql = `
			select
				parentId
			from
				studentParentLink
			where
				studentId = ?;
		`;

		return await Promise.all(
			(await this._conn.runQuery(sql, [ this.id ]))
				.map(({ parentId }) => {
					return new (require('./Parent'))(
						this._conn,
						parentId
					);
				})
		);
	}

	static async createStudent(conn, fname, oname, lname, email, password) {
		return await super.createUser(
			conn,
			'student',
			fname,
			oname,
			lname,
			email,
			password
		);
	}
}

module.exports = Student;