/// <summary>
/// Gets an array of Programs in the specified Department asynchronously.
/// </summary>
/// <param name="department">The Department to retrieve Programs for.</param>
public Task <Program[]> getProgramsAsync(Department department)
{
//Can't retrieve departments without knowing the college to retrieve from (eventually)
if (department == null)
{
return(null);
}
//Return department programs if already retrieved
//Don't refresh due to low frequency of change
if (department.programs != null)
{
return(Task.FromResult(department.programs));
}
//Get programs from database
DatabaseSelect dbSelect = new DatabaseSelect();
DataTable programsTable = dbSelect.SelectPrograms(department.ID);
//Convert data to Program objects
List <Program> programs = new List <Program>();
foreach (DataRow row in programsTable.Rows)
{
programs.Add(DataInterpreter.getProgram(row));
}
return(Task.FromResult(programs.ToArray()));
}
