/// <summary>
/// Gets the target entity from plugin context input parameters and casts to type T.
/// </summary>
/// <typeparam name="T">Strongly-typed Entity.</typeparam>
/// <param name="context">The context.</param>
/// <returns>Target entity cast to type T.</returns>
/// <exception cref="System.ArgumentNullException">context</exception>
public static T GetTargetEntity <T>(this IPluginExecutionContext context) where T : Entity
{
if (context == null)
{
throw new ArgumentNullException("context");
}
return(context.GetTargetEntity().ToEntity <T>());
}
protected override void ExecuteInternal(IPluginExecutionContext context, IOrganizationServiceFactory orgServiceFactory, ITracingService tracingService)
{
if (context.PrimaryEntityName == Contact.EntityLogicalName && context.Stage == (int)PluginStage.PreValidation)
{
if (context.MessageName == MessageNames.Create || context.MessageName == MessageNames.Update)
{
tracingService.Trace("Retriving the contact from the plugin context");
var contact = context.GetTargetEntity <Contact>();
if (context.MessageName == MessageNames.Update)
{
tracingService.Trace("Retriving the contact pre-image");
var entityImage = context.GetPreImage <Contact>("PreImage");
if (entityImage == null)
{
tracingService.Trace("Retriving the contact from the organisation service because the pre-image is null.");
var orgService = orgServiceFactory.CreateOrganizationService(null);
entityImage = orgService.Retrieve <Contact>(Contact.EntityLogicalName, context.PrimaryEntityId);
}
contact.Merge(entityImage);
}
tracingService.Trace("Validation the contact:");
tracingService.Trace("Mobile Phone: {0}, Email: {1}, Telephone: {2}", contact.MobilePhone, contact.Email, contact.Telephone);
if (string.IsNullOrWhiteSpace(contact.MobilePhone) &&
string.IsNullOrWhiteSpace(contact.Email) &&
string.IsNullOrWhiteSpace(contact.Telephone))
{
throw new InvalidPluginExecutionException("At least one of the following contact methods must be provided: email, telephone or mobile");
}
}
}
}
