async Task <bool> IGroup.RemoveAccountAsync(IAccount account, CancellationToken cancellationToken)
{
if (account == null)
{
throw new ArgumentNullException(nameof(account));
}
IGroupMembership foundMembership = null;
await this.AsInterface.GetAccountMemberships().ForEachAsync(
item =>
{
if ((item as IInternalGroupMembership).AccountHref.Equals(account.Href, StringComparison.InvariantCultureIgnoreCase))
{
foundMembership = item;
}
return(foundMembership != null);
}, cancellationToken).ConfigureAwait(false);
if (foundMembership == null)
{
throw new InvalidOperationException("The specified account does not belong to this group.");
}
return(await foundMembership.DeleteAsync(cancellationToken).ConfigureAwait(false));
}
async Task <bool> IGroup.RemoveAccountAsync(string hrefOrEmailOrUsername, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(hrefOrEmailOrUsername))
{
throw new ArgumentNullException(nameof(hrefOrEmailOrUsername));
}
IGroupMembership foundMembership = null;
var iterator = this.AsInterface.GetAccountMemberships();
while (await iterator.MoveNextAsync(cancellationToken).ConfigureAwait(false))
{
foreach (var item in iterator.CurrentPage)
{
IAccount account = await item.GetAccountAsync(cancellationToken).ConfigureAwait(false);
if (account.Href.Equals(hrefOrEmailOrUsername, StringComparison.InvariantCultureIgnoreCase) ||
account.Email.Equals(hrefOrEmailOrUsername, StringComparison.InvariantCultureIgnoreCase) ||
account.Username.Equals(hrefOrEmailOrUsername, StringComparison.InvariantCultureIgnoreCase))
{
foundMembership = item;
}
if (foundMembership != null)
{
break;
}
}
if (foundMembership != null)
{
break;
}
}
if (foundMembership == null)
{
throw new InvalidOperationException("The specified account does not belong to this group.");
}
return(await foundMembership.DeleteAsync(cancellationToken).ConfigureAwait(false));
}