/// <summary>
/// Add/remove user id in this container.
/// </summary>
/// <param name="id">target user's id</param>
/// <param name="value">flag for add or remove</param>
public async Task SetAsync(long id, bool value)
{
lock (_collectionLock)
{
var result = value ? _collection.AddDistinct(id) : _collection.Remove(id);
if (!result)
{
// not changed
return;
}
}
await UserProxy.SetAsync(_type, _parent.AccountId, id, value).ConfigureAwait(false);
RaiseAccountDataUpdated(new[] { id }, value);
}
private async Task AddAsync(IEnumerable <long> items)
{
var m = items.ToArray();
lock (_collectionLock)
{
m = m.Where(i => _collection.AddDistinct(i)).ToArray();
}
if (m.Length == 0)
{
return;
}
await UserProxy.AddAsync(_type, _parent.AccountId, m);
this.RaiseAccountDataUpdated(m, true);
}