Update the FinancialSample class for testing the new optional query parameters

Author: alexhauser

Source/FikaAmazonAPI.SampleCode/FinancialSample.cs

@@ -1,4 +1,5 @@
-using System;
+using FikaAmazonAPI.AmazonSpApiSDK.Models.Finances;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -14,15 +15,27 @@ public FinancialSample(AmazonConnection amazonConnection)
             this.amazonConnection = amazonConnection;
         }
 
-        public void ListFinancialEventGroups()
+        public IList<FinancialEventGroup> ListFinancialEventGroups()
         {
-            amazonConnection.Financial.ListFinancialEventGroups(new Parameter.Finance.ParameterListFinancialEventGroup()
+            return amazonConnection.Financial.ListFinancialEventGroups(new Parameter.Finance.ParameterListFinancialEventGroup()
             {
                 FinancialEventGroupStartedAfter = DateTime.UtcNow.AddDays(-10),
                 FinancialEventGroupStartedBefore = DateTime.UtcNow.AddDays(-1),
                 MaxResultsPerPage = 55
             });
+        }
 
+        public List<FinancialEvents> ListFinancialEventsByGroupId(string financialGroupId)
+        {
+            var financialEventsWithoutParams = amazonConnection.Financial.ListFinancialEventsByGroupId(financialGroupId);
+            var financialEventsWithParams = amazonConnection.Financial.ListFinancialEventsByGroupId(financialGroupId,
+                new Parameter.Finance.ParameterListFinancialEventsByGroupId()
+                {
+                    PostedAfter = DateTime.UtcNow.AddDays(-170),
+                    PostedBefore = DateTime.UtcNow.AddMinutes(-60),
+                    MaxResultsPerPage = 55
+                });
+            return financialEventsWithParams;
         }
     }
 }