almost complete the api.

src/modules/inventory/supplierRouter.ts

@@ -0,0 +1,38 @@
+import { Router } from 'express';
+import { requireAuth } from '../../middleware/auth';
+import { pool } from '../../db/pool';
+
+const router = Router();
+
+// GET /v1/inventory/suppliers
+router.get('/suppliers', requireAuth, async (req, res, next) => {
+  try {
+    const { rows } = await pool.query('SELECT * FROM suppliers WHERE tenant_id = $1 ORDER BY name ASC', [req.actorId]);
+    res.status(200).json({ suppliers: rows });
+  } catch (error) {
+    next(error);
+  }
+});
+
+// POST /v1/inventory/suppliers
+router.post('/suppliers', requireAuth, async (req, res, next) => {
+  try {
+    const { name, contact_number, email, gstin, dl_number, address, contact_person } = req.body;
+    if (!name) {
+      return res.status(400).json({ error: 'Name is required' });
+    }
+
+    const id = 'sup_' + Date.now() + Math.floor(Math.random() * 1000);
+    
+    await pool.query(`
+      INSERT INTO suppliers (id, tenant_id, name, contact_number, email, gstin, dl_number, address, contact_person)
+      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)
+    `, [id, req.actorId, name, contact_number, email, gstin, dl_number, address, contact_person]);
+
+    res.status(201).json({ id, name, contact_number, email, gstin, dl_number, address, contact_person });
+  } catch (error) {
+    next(error);
+  }
+});
+
+export default router;