Add POI feature and imporve the overall backend implementation

frontend/src/api/hooks/orders.ts

@@ -169,11 +169,11 @@ export const useCreateOrder = (
         queryKey: ordersKeys.orders(),
         predicate: (query) => {
           const queryKey = query.queryKey as string[];
-          return queryKey.includes('list') && 
+          return queryKey.includes('list') &&
                  JSON.stringify(queryKey).includes(variables.tenant_id);
         },
       });
-      
+
       // Invalidate dashboard
       queryClient.invalidateQueries({
         queryKey: ordersKeys.dashboard(variables.tenant_id),
@@ -189,6 +189,39 @@ export const useCreateOrder = (
   });
 };
 
+export const useUpdateOrder = (
+  options?: UseMutationOptions<OrderResponse, ApiError, { tenantId: string; orderId: string; data: OrderUpdate }>
+) => {
+  const queryClient = useQueryClient();
+
+  return useMutation<OrderResponse, ApiError, { tenantId: string; orderId: string; data: OrderUpdate }>({
+    mutationFn: ({ tenantId, orderId, data }) => OrdersService.updateOrder(tenantId, orderId, data),
+    onSuccess: (data, variables) => {
+      // Update the specific order in cache
+      queryClient.setQueryData(
+        ordersKeys.order(variables.tenantId, variables.orderId),
+        data
+      );
+
+      // Invalidate orders list for this tenant
+      queryClient.invalidateQueries({
+        queryKey: ordersKeys.orders(),
+        predicate: (query) => {
+          const queryKey = query.queryKey as string[];
+          return queryKey.includes('list') &&
+                 JSON.stringify(queryKey).includes(variables.tenantId);
+        },
+      });
+
+      // Invalidate dashboard
+      queryClient.invalidateQueries({
+        queryKey: ordersKeys.dashboard(variables.tenantId),
+      });
+    },
+    ...options,
+  });
+};
+
 export const useUpdateOrderStatus = (
   options?: UseMutationOptions<OrderResponse, ApiError, UpdateOrderStatusParams>
 ) => {

frontend/src/api/hooks/purchase-orders.ts

@@ -10,7 +10,9 @@ import type {
   PurchaseOrderDetail,
   PurchaseOrderSearchParams,
   PurchaseOrderUpdateData,
-  PurchaseOrderStatus
+  PurchaseOrderStatus,
+  CreateDeliveryInput,
+  DeliveryResponse
 } from '../services/purchase_orders';
 import {
   listPurchaseOrders,
@@ -21,7 +23,8 @@ import {
   approvePurchaseOrder,
   rejectPurchaseOrder,
   bulkApprovePurchaseOrders,
-  deletePurchaseOrder
+  deletePurchaseOrder,
+  createDelivery
 } from '../services/purchase_orders';
 
 // Query Keys
@@ -257,3 +260,33 @@ export const useDeletePurchaseOrder = (
     ...options,
   });
 };
+
+/**
+ * Hook to create a delivery for a purchase order
+ */
+export const useCreateDelivery = (
+  options?: UseMutationOptions<
+    DeliveryResponse,
+    ApiError,
+    { tenantId: string; poId: string; deliveryData: CreateDeliveryInput }
+  >
+) => {
+  const queryClient = useQueryClient();
+
+  return useMutation<
+    DeliveryResponse,
+    ApiError,
+    { tenantId: string; poId: string; deliveryData: CreateDeliveryInput }
+  >({
+    mutationFn: ({ tenantId, poId, deliveryData }) => createDelivery(tenantId, poId, deliveryData),
+    onSuccess: (data, variables) => {
+      // Invalidate all PO queries to refresh status
+      queryClient.invalidateQueries({ queryKey: purchaseOrderKeys.all });
+      // Invalidate detail for this specific PO
+      queryClient.invalidateQueries({
+        queryKey: purchaseOrderKeys.detail(variables.tenantId, variables.poId)
+      });
+    },
+    ...options,
+  });
+};