Moving CalloutNPS Apex class

force-app/main/default/classes/CalloutNPS.cls

@@ -0,0 +1,88 @@
+public class CalloutNPS{
+    public static String responseMessage;
+    public static Integer httpResponseCode;
+    public static string returnMessage;
+
+    @InvocableMethod(label='Send Order Data' description='Send E-Mail Address and Order Number to NPS API' callout = 'true')
+    //The Record- and Schedule-Triggered flow support bulkification, which means we can build the flow as if it is for only one record, 
+    //and it will automatically loop through all records.
+    public static List<Results> getData(List<Request> requests){
+       Results res = new Results();
+       List<Id> orderIds = new List<Id>();
+       for(Request req : requests){
+            orderIds.add(req.RecordId);
+       }
+       Set<Id> orderIdsSet = new Set<Id>(orderIds);
+       String batchSize = System.Label.BatchSizeNPS;
+       Integer maxRecordSize = Integer.valueOf(batchSize);
+       List<Order> orderList = [
+        SELECT Id, OrderNumber, CustomerAuthorizedBy.Email
+        FROM Order 
+        WHERE ID in :orderIdsSet
+        ];
+        List<Order> lstTemp = new List<Order>();
+        List<List<Order>> lstWrapper = new List<List<Order>>();
+        for(Integer i = 0 ; i < (orderList.size() / maxRecordSize)+1 ; i++){
+            lstTemp = new List<Order>();
+            for(Integer j=(i*maxRecordSize);(j<(i*maxRecordSize)+maxRecordSize) && j<orderList.size() ; j++){
+                lstTemp.add(orderList.get(j));
+            }
+            lstWrapper.add(lstTemp);
+        }
+        for(List<Order> indvList : lstWrapper){
+            system.debug('indvList size'+ indvList.size());
+            res.returnMessage = makeCallout(indvList);
+        }
+        List<Results> resList = new List<Results>();  
+        resList.add(res);
+        return resList;
+    }
+
+    private static String makeCallout(List<Order> ordList) {
+            try{
+                Http http = new Http();
+                HttpRequest request = new HttpRequest();
+                request.setEndpoint('callout:NPS');
+                request.setHeader('Content-Type', 'application/json');
+                request.setMethod('POST');
+                String jsonBody = makeJsonString(ordList);
+                request.setBody(jsonBody);
+                HttpResponse response = http.send(request);
+                httpResponseCode = response.getStatusCode();
+                responseMessage = response.getBody();   
+                returnMessage = httpResponseCode + ' : ' + responseMessage ;
+                System.debug('returnMessage ' + returnMessage);
+            }catch (Exception e) {         
+                System.debug('Error:' + e.getMessage() + ' Line no:' + e.getLineNumber() );           
+            }
+        return returnMessage;
+     }
+
+     private static String makeJsonString(List<Order> ordList){
+        JSONGenerator gen = JSON.createGenerator(true);
+        gen.writeStartArray();
+        for(Order ord : ordList){
+            gen.writeStartObject();
+            gen.writeStringField('sfId', ord.Id);
+            gen.writeStringField('orderNumber', ord.OrderNumber);
+            gen.writeStringField('customerEmail', ord.CustomerAuthorizedBy.Email);
+            gen.writeEndObject();
+        }
+        gen.writeEndArray();
+        String jsonData = gen.getAsString();
+        System.debug('jsonData-' + jsonData);
+        return jsonData;
+    }
+
+    public class Request{
+        @InvocableVariable(label='Record Id' required=true)
+        public Id RecordId;
+    }
+    public class Results{
+        @InvocableVariable(label='Output Response')
+        public String returnMessage;
+
+    }
+
+
+}

force-app/main/default/classes/CalloutNPS.cls-meta.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
+    <apiVersion>58.0</apiVersion>
+    <status>Active</status>
+</ApexClass>