public void Execute(IServiceProvider serviceProvider)
{
var tracer = (ITracingService)serviceProvider.GetService(typeof(ITracingService));
var context = (IPluginExecutionContext)serviceProvider.GetService(typeof(IPluginExecutionContext));
var factory = (IOrganizationServiceFactory)serviceProvider.GetService(typeof(IOrganizationServiceFactory));
var service = factory.CreateOrganizationService(context.UserId);
try
{
var query = context.InputParameterOrDefault <QueryExpression>("Query");
var visitor = new RecentItemsQueryVisitor();
query.Accept(visitor);
var results = new EntityCollection();
using (var c = new CrmContext(service))
{
List <Guid> users;
if (visitor.ConditionAttribute == RecentItem.UserId)
{
users = (from u in c.CreateQuery <SystemUser>()
where u.Id == (visitor.ConditionValue != null ? new Guid(visitor.ConditionValue.ToString()) : context.UserId)
where u.IsDisabled == false
select u.Id).ToList();
}
else
{
users = (from u in c.CreateQuery <SystemUser>()
where u.IsDisabled == false
select u.Id).ToList();
}
var recentItems = Helper
.RetrieveRecentItemsForUsers(users, factory, visitor.ConditionAttribute, visitor.ConditionValue, visitor.ConditionType)
.Select(Helper.CreateRecentItem).ToList();
results.Entities.AddRange(recentItems);
}
context.OutputParameters["BusinessEntityCollection"] = results;
}
catch (Exception e)
{
throw new InvalidPluginExecutionException(e.Message);
}
}