BULK UPDATE OF ACCOUNT RECORDS WITH PRIMARY CONTACT EMAIL VALUE

My customer had a requirement of bulk update  of account records with email "string" , based on the primary contact email value.

Scenario : Account Records don't have a email value from primary contact's record.

So I have chosen to write a plugin to bulk update.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using Microsoft.Xrm.Sdk;

using Microsoft.Xrm.Sdk.Query;

namespace MallaSolutions

{

    public class UpdateAccounts : IPlugin

    {

        public void Execute(IServiceProvider serviceProvider)

        {

            // Obtain the execution context from the service provider.

            IPluginExecutionContext context =

        (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));

            // Get a reference to the Organization service.

            IOrganizationServiceFactory factory =

        (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));

            IOrganizationService service = factory.CreateOrganizationService(context.UserId);

            Entity entity;

            if (context.InputParameters != null)

            {

                entity = (Entity)context.InputParameters["Target"];

                string fetchXML = @"<fetch distinct='false' mapping='logical' output-format='xml-platform' version='1.0'>

                                  <entity name='account'>

                                    <attribute name='accountid' />

                                    <attribute name='emailaddress1' />

                                    <order descending='false' attribute='emailaddress1' />

                                    <filter type='and'>

                                      <condition attribute='primarycontactid' operator='not-null' />

                                    </filter>

                                    <link-entity name='contact' to='primarycontactid' from='contactid' alias='PrimaryContact' link-type='outer' visible='false'>

                                      <attribute name='emailaddress1' alias='contactEmailAddress' />

                                    </link-entity>

                                  </entity>

                                </fetch>";

                EntityCollection entityCollection = service.RetrieveMultiple(new FetchExpression(fetchXML));

                for (int i = 0; i < entityCollection.Entities.Count; i++)

                {

                    AliasedValue contactemailaddress = entityCollection.Entities[i].GetAttributeValue<AliasedValue>("contactEmailAddress");

                    if (contactemailaddress != null)

                    {

                        Entity account = new Entity("account");

                        account.Attributes["accountid"] = entityCollection.Entities[i].Attributes["accountid"];

                        account.Attributes["emailaddress1"] = entityCollection.Entities[i].GetAttributeValue<AliasedValue>("contactEmailAddress").Value.ToString();

                        service.Update(account);

                    }

                }

            }

            else

            {

                return;

            }

        }

    }

}

====================================================================
Plugin Registration tool steps:


Message: Update
Primary Entity : Account
Filtering attributes : address1_city
event: post-opeartion
execution mode: Asynchronus
deployment: Server


I have registered asynchronous mode as the system will have performance impact if it is selected as Synchronous mode and it will time out after 2 min, as in my case , I am using dynamics 365 online.

We can increase time limit of plugin if it is dynamics 365 onpremise.

I hope this helps:-)
Cheers guys....