/// <summary>
/// will add to collection, ignoring if already exists
/// (making all adds idempotent)
/// </summary>
/// <param name="col"></param>
/// <param name="status"></param>
public static void AddWithMerge(this ICollection<Status> col, Status status)
{
if (!col.ContainsStatus(status))
{
col.Add(status);
}
}
/// <summary>
/// will match ONLY a status with matching StatusValue,
/// AND matching StampedAt fields.
/// </summary>
/// <param name="ie"></param>
/// <param name="statusValue"></param>
/// <returns></returns>
public static bool ContainsStatus(this IEnumerable<Status> ie, Status status)
{
bool found = false;
foreach (Status s in ie)
{
if (found == false &&
s.StatusValue.Equals(status.StatusValue,
StringComparison.CurrentCultureIgnoreCase) &&
s.StampedAt.Equals(status.StampedAt))
{
found = true;
}
}
return found;
}