finalized application acceptance system and started making types shared across front and backend

api/src/services/memberService.ts

@@ -1,8 +1,23 @@
 import pool from "../db";
 
+export enum MemberState {
+    Guest = "guest",
+    Applicant = "applicant",
+    Member = "member",
+    Retired = "retired",
+    Banned = "banned",
+    Denied = "denied"
+}
+
 export async function getUserData(userID: number) {
     const sql = `SELECT * FROM members WHERE id = ?`;
     const res = await pool.query(sql, [userID]);
     return res[0] ?? null;
 }
 
+export async function setUserState(userID: number, state: MemberState) {
+    const sql = `UPDATE members
+        SET state = ?
+        WHERE id = ?;`;
+    return await pool.query(sql, [state, userID]);
+}