samples: long running operations - removed delays, added correct logic (

#209)

* Removed delays from add-fulfillment-places.js, remove-fulfillment-places.js, set-inventory.js files.

* Removed delays, added correct logic.

* Code clean up.

Co-authored-by: Alexander Fenster <fenster@google.com>

retail/interactive-tutorials/product/add-fulfillment-places.js

@@ -66,15 +66,15 @@ async function main(generatedProductId) {
     console.log('Add fulfillment request:', request);
 
     // Run request
-    await retailClient.addFulfillmentPlaces(request);
+    const [operation] = await retailClient.addFulfillmentPlaces(request);
+    await operation.promise();
 
     console.log('Waiting to complete add operation..');
   };
 
   // Add fulfillment places with current time
   console.log('Start add fulfillment');
   await calladdFulfillmentPlaces();
-  await utils.delay(180000);
 
   //Get product
   const response = await utils.getProduct(product);

retail/interactive-tutorials/product/remove-fulfillment-places.js

@@ -61,15 +61,15 @@ async function main(generatedProductId) {
 
     console.log('Remove fulfillment request:', request);
     // Run request
-    await retailClient.removeFulfillmentPlaces(request);
+    const [operation] = await retailClient.removeFulfillmentPlaces(request);
+    await operation.promise();
 
     console.log('Waiting to complete remove operation..');
   };
 
   // Remove fulfillment places with current time
   console.log('Start remove fulfillment');
   await callRemoveFulfillmentPlaces();
-  await utils.delay(180000);
 
   //Get product
   const response = await utils.getProduct(product);

retail/interactive-tutorials/product/set-inventory.js

@@ -74,14 +74,14 @@ async function main(generatedProductId) {
     console.log('Set inventory request:', request);
 
     // Run request
-    await retailClient.setInventory(request);
+    const [operation] = await retailClient.setInventory(request);
+    await operation.promise();
     console.log('Waiting to complete set inventory operation..');
   };
 
   // Set inventory with current time
   console.log('Start set inventory');
   await callSetInventory();
-  await utils.delay(200000);
 
   // Get product
   let changedProduct = await utils.getProduct(createdProduct.name);
@@ -94,7 +94,6 @@ async function main(generatedProductId) {
   product.priceInfo.price = 20.0;
   setTime = {seconds: Math.round(Date.now() / 1000) - 86400};
   await callSetInventory();
-  await utils.delay(200000);
 
   // Get product
   changedProduct = await utils.getProduct(createdProduct.name);