Rewrite User constructor to search all tables if no type given

lib/User.js

@@ -15,6 +15,16 @@ class User {
 	type = null;
 
 	constructor(type, userId) {
+		type = type ?? false;
+
+		let types = [];
+		if (type)
+			types.push(type);
+		else
+			types = [ 'account', 'student', 'parent' ];
+
+		return (async () => {
+			for (const type of types) {
 				const sql = `
 					select
 						email,
@@ -28,16 +38,22 @@ class User {
 						${type}Id = ?;
 				`;
 
-		this.type = type;
-
-		return (async () => {
 				const conn = await new DatabaseConnectionPool();
-			const record = await conn.runQuery(sql, [ userId ]);
+				const res =
+					await conn.runQuery(sql, [ userId ]);
 
-			for (const [ k, v ] of Object.entries(record[0]))
+				if (!res)
+					continue;
+
+				const record = res[0];
+
+				for (const [ k, v ] of Object.entries(record))
 					this[k] = v;
 
+				this.type = type;
+
 				return this;
+			}
 		})();
 	}