/// <summary>
/// Sets the appointment category to give the appointment the correct color
/// </summary>
/// <param name="item">The item to set</param>
/// <param name="state">The appointment state to set to the appointment</param>
public static void SetAppointmentState(this AppointmentItem item, AppointmentState state)
{
var newCategories = new List <string>();
// get the previous categories and remove our categories
if (!string.IsNullOrEmpty(item.Categories))
{
foreach (var itm in item.Categories.Split(';'))
{
// Preserve other categories.
if (!AppointmentState.IsValidAppointmentStateName(itm))
{
newCategories.Add(itm);
}
}
}
// set our new categories
newCategories.Insert(0, state.Name);
if (state == AppointmentState.Modified)
{
item.SetAppointmentModificationDate(DateTime.Now);
}
item.Categories = string.Join(";", newCategories);
// Update the previous sate of the appointment, if the current state is not syncerror.
var previousState = item.GetAppointmentCustomId(Constants.FieldAppointmentState);
if (previousState.HasValue && previousState.Value != AppointmentState.SyncError.Value)
{
item.SetAppointmentCustomId(Constants.FieldAppointmentPreviousState, previousState);
}
item.SetAppointmentCustomId(Constants.FieldAppointmentState, state.Value);
}