Added TestResult.create

lib/TestResult.js

@@ -1,5 +1,7 @@
 'use strict';
 
+const crypto = require('crypto');
+
 const MySQLDate = require('./MySQLDate');
 
 class TestResult {
@@ -110,6 +112,34 @@ class TestResult {
 		//TODO get actual grades
 		return 'C';
 	}
+
+	static async create(conn, testId, accountId, studentId, mark) {
+		const sql = `
+			insert into testResult
+			(
+				testResultId,
+				studentId,
+				testId,
+				accountId,
+				mark,
+				time
+			)
+			values (?, ?, ?, ?, ?, ?);
+		`;
+
+		const id = await crypto.randomUUID();
+
+		await conn.runQuery(sql, [
+			id,
+			studentId,
+			testId,
+			accountId,
+			mark,
+			new MySQLDate()
+		]);
+
+		return new TestResult(conn, id);
+	}
 }
 
 module.exports = TestResult;