Implemented PasswordReset constructor

lib/PasswordReset.js

@@ -1,13 +1,34 @@
 'use strict';
 
+const DatabaseConnectionPool = require('./DatabaseConnectionPool');
+
 class PasswordReset {
 	userId;
 	token;
 	nonce;
 	expires;
 
-	constructor() {
+	constructor(userId) {
+		const sql = `
+			select
+				token,
+				nonce,
+				expires,
+				userId
+			from passwordReset
+			where
+				userId = ?;
+		`;
 
+		return (async () => {
+			const conn = await new DatabaseConnectionPool();
+			const record = await conn.runQuery(sql, [ userId ]);
+
+			for (const [ k, v ] of Object.entries(record[0]))
+				this[k] = v;
+
+			return this;
+		})();
 	}
 
 	get user() {