minor validation fix in policy cmdlet

Author: sudhakar4171

src/ResourceManager/RecoveryServices.Backup/Cmdlets/ProtectionPolicy/PolicyCmdletHelpers.cs

@@ -33,6 +33,11 @@ public class PolicyCmdletHelpers
 
         public static void ValidateProtectionPolicyName(string policyName)
         {
+            if(string.IsNullOrEmpty(policyName))
+            {
+                throw new ArgumentException(Resources.PolicyNameIsEmptyOrNull);
+            }
+
             if (policyName.Length < PolicyConstants.MinPolicyNameLength || 
                 policyName.Length > PolicyConstants.MaxPolicyNameLength)
             {

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Helpers/Conversions/ConversionHelpers.cs

@@ -111,6 +111,7 @@ public static AzureRmRecoveryServicesPolicyBase GetPolicyModel(ProtectionPolicyR
             }
 
             policyModel.Name = hydraResponse.Name;
+            policyModel.Id = hydraResponse.Id;
 
             return policyModel;
         }

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Models/BaseObjects.cs

@@ -15,6 +15,7 @@
 using System;
 using System.Collections.Generic;
 using Microsoft.Azure.Management.RecoveryServices.Backup.Models;
+using Microsoft.Azure.Commands.RecoveryServices.Backup.Properties;
 
 namespace Microsoft.Azure.Commands.RecoveryServices.Backup.Cmdlets.Models
 {
@@ -172,9 +173,21 @@ public class AzureRmRecoveryServicesPolicyBase : AzureRmRecoveryServicesBackupMa
 
         public WorkloadType WorkloadType { get; set; }
 
+        public string Id { get; set; }
+
         public override void Validate()
         {
             base.Validate();
+
+            if(string.IsNullOrEmpty(Name))
+            {
+                throw new ArgumentException(Resources.PolicyNameIsEmptyOrNull);
+            }
+
+            if(string.IsNullOrEmpty(Id))
+            {
+                throw new ArgumentException(Resources.PolicyIdIsEmptyOrNull);
+            }
         }
     }
 

src/ResourceManager/RecoveryServices.Backup/Commands.RecoveryServices.Backup.Models/Properties/Resources.Designer.cs

@@ -350,4 +350,10 @@ Please contact Microsoft for further assistant.</value>
   <data name="DisableProtectionOperationFailed" xml:space="preserve">
     <value>Disable Protection OperationFailed with error code {0} , and error Message {1}</value>
   </data>
+  <data name="PolicyIdIsEmptyOrNull" xml:space="preserve">
+    <value>PolicyId is NULL or Empty. Please enter valid PolicyId</value>
+  </data>
+  <data name="PolicyNameIsEmptyOrNull" xml:space="preserve">
+    <value>PolicyName is NULL or Empty. Please enter valid PolicyName</value>
+  </data>
 </root>