LOA backend refactor

api/src/services/loaService.ts

@@ -0,0 +1,29 @@
+import pool from "../db";
+import { LOARequest, LOAType } from '@app/shared/types/loa'
+
+export async function getLoaTypes(): Promise<LOAType[]> {
+    return await pool.query('SELECT * FROM leave_of_absences_types;');
+}
+
+export async function getAllLOA(): Promise<LOARequest[]> {
+    let res: LOARequest[] = await pool.query(
+        `SELECT loa.*, members.name, t.name AS type_name
+            FROM leave_of_absences AS loa
+            LEFT JOIN members ON loa.member_id = members.id
+            LEFT JOIN leave_of_absences_types AS t ON loa.type_id = t.id;
+            `) as LOARequest[];
+    return res;
+}
+
+export async function getUserLOA(userId: number): Promise<LOARequest[]> {
+    const result: LOARequest[] = await pool.query("SELECT * FROM leave_of_absences WHERE member_id = ?", [userId])
+    return result;
+}
+
+export async function createNewLOA(data: LOARequest) {
+    const sql = `INSERT INTO leave_of_absences 
+                (member_id, filed_date, start_date, end_date, type_id, reason) 
+             VALUES (?, ?, ?, ?, ?, ?)`;
+    await pool.query(sql, [data.member_id, data.filed_date, data.start_date, data.end_date, data.type_id, data.reason])
+    return;
+}