Synchronize Salesforce data with an external system || Apex Specialist || Superbadge || Challenge 3

[@TrailheadTitans]

Challenge 3:- WarehouseCalloutService
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public with sharing class WarehouseCalloutService implements Queueable {
private static final String WAREHOUSE_URL = 'th-superbadge-apex.herokuapp.com/equipment';

//class that makes a REST callout to an external warehouse system to get a list of equipment that needs to be updated.
//The callout’s JSON response returns the equipment records that you upsert in Salesforce.

@future(callout=true)
public static void runWarehouseEquipmentSync(){
Http http = new Http();
HttpRequest request = new HttpRequest();

request.setEndpoint(WAREHOUSE_URL);
request.setMethod('GET');
HttpResponse response = http.send(request);

List warehouseEq = new List();

if (response.getStatusCode() == 200){
List jsonResponse = (List)JSON.deserializeUntyped(response.getBody());
System.debug(response.getBody());

//class maps the following fields: replacement part (always true), cost, current inventory, lifespan, maintenance cycle, and warehouse SKU
//warehouse SKU will be external ID for identifying which equipment records to update within Salesforce
for (Object eq : jsonResponse){
Map mapJson = (Map)eq;
Product2 myEq = new Product2();
myEq.Replacement_Part__c = (Boolean) mapJson.get('replacement');
myEq.Name = (String) mapJson.get('name');
myEq.Maintenance_Cycle__c = (Integer) mapJson.get('maintenanceperiod');
myEq.Lifespan_Months__c = (Integer) mapJson.get('lifespan');
myEq.Cost__c = (Integer) mapJson.get('cost');
myEq.Warehouse_SKU__c = (String) mapJson.get('sku');
myEq.Current_Inventory__c = (Double) mapJson.get('quantity');
myEq.ProductCode = (String) mapJson.get('_id');
warehouseEq.add(myEq);
}

if (warehouseEq.size() > 0){
upsert warehouseEq;
System.debug('Your equipment was synced with the warehouse one');
}
}
}

public static void execute (QueueableContext context){
runWarehouseEquipmentSync();
}

}
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After saving the code open execute anonymous window ( CTRl+E ) and run this method ,
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System.enqueueJob(new WarehouseCalloutService());