public TryOptionAsync <IEnumerable <DepartmentEmployee> > Execute(DepartmentEmployeesQuery query, CancellationToken token = default)
{
var(count, department) = query;
var dataQuery = client
.DepartmentQueryable <DepartmentEmployeeRecord>(department)
.Where(e => e.Type == nameof(DepartmentEmployeeRecord));
if (count > 0)
{
dataQuery = dataQuery.Take(count);
}
return(async() =>
{
var iterator = dataQuery.ToFeedIterator();
var employees = new List <DepartmentEmployee>();
while (iterator.HasMoreResults)
{
foreach (var result in await iterator.ReadNextAsync(token))
{
employees.Add(DepartmentEmployeeRecord.Map.ToDepartmentEmployee(result));
}
}
return Some(employees.AsEnumerable());
});
}
