Add supply purchase order workflow

backend/routes/supplyRoutes.js

@@ -5,13 +5,16 @@ const {
     approveReceipt,
     consumeLotForProduction,
     createFabricPlan,
+    createPurchaseOrder,
     createReceipt,
     deleteFabricPlan,
     deleteReceipt,
     getSupplySummary,
     listFabricPlans,
     listKnownSuppliers,
+    listPurchaseOrders,
     saveMaterialDetails,
+    updatePurchaseOrderStatus,
     listLots,
     listMovements,
     listPurchaseNeeds,
@@ -36,6 +39,30 @@ router.get('/supply/suppliers', verifyToken, async (req, res, next) => {
     }
 });
 
+router.get('/supply/purchase-orders', verifyToken, async (req, res, next) => {
+    try {
+        res.json(await listPurchaseOrders());
+    } catch (error) {
+        next(error);
+    }
+});
+
+router.post('/supply/purchase-orders', verifyToken, async (req, res, next) => {
+    try {
+        res.status(201).json(await createPurchaseOrder(req.body || {}));
+    } catch (error) {
+        next(error);
+    }
+});
+
+router.patch('/supply/purchase-orders/:id/status', verifyToken, async (req, res, next) => {
+    try {
+        res.json(await updatePurchaseOrderStatus(req.params.id, req.body?.status));
+    } catch (error) {
+        next(error);
+    }
+});
+
 router.get('/supply/receipts', verifyToken, async (req, res, next) => {
     try {
         res.json(await listReceipts());