Implemented self extension

api/src/routes/loa.ts

@@ -189,7 +189,50 @@ router.post('/adminCancel/:id', [requireRole(['17th Administrator', '17th HQ', '
 })
 
 // extend LOA
-router.post('/extend/:id', [requireRole(['17th Administrator', '17th HQ', '17th Command'])], async (req: Request, res: Response) => {
+router.post('/extend/:id', async (req: Request, res: Response) => {
+    const to: Date = req.body.to;
+
+    const member = req.user.id;
+
+    let LOA = await getLOAbyID(Number(req.params.id));
+    if (!LOA) {
+        return res.status(404).send("LOA not found");
+    }
+
+    if (LOA.member_id !== member) {
+        return res.status(403).send("You do not have permission to extend this LOA");
+    }
+
+    if (LOA.extended_till !== null) {
+        return res.status(409).send("You must contact the administration team to extend your LOA again");
+    }
+
+    if (!to) {
+        return res.status(400).send("Extension length is required");
+    }
+
+    try {
+        await setLOAExtension(Number(req.params.id), to);
+
+        audit.leaveOfAbsence('extended', { actorId: req.user.id, targetId: Number(req.params.id) });
+        logger.info('app', 'LOA Extended', { extended_by: req.user.id, LOA: req.params.id })
+
+        res.sendStatus(200);
+    } catch (error) {
+        logger.error(
+            'app',
+            'Failed to extend LOA',
+            {
+                error: error instanceof Error ? error.message : String(error),
+                stack: error instanceof Error ? error.stack : undefined,
+            }
+        );
+        res.status(500).json(error);
+    }
+})
+
+// admin extend LOA
+router.post('/extendAdmin/:id', [requireRole(['17th Administrator', '17th HQ', '17th Command'])], async (req: Request, res: Response) => {
     const to: Date = req.body.to;
 
     if (!to) {