/// <summary> Edits this channel, changing only non-null attributes. </summary>
public async Task Edit(string name = null, string topic = null, int?position = null)
{
if (name != null || topic != null)
{
var request = new UpdateChannelRequest(Id)
{
Name = name ?? Name,
Topic = topic ?? Topic,
Position = Position
};
await Client.ClientAPI.Send(request).ConfigureAwait(false);
}
if (position != null)
{
Channel[] channels = Server.AllChannels.Where(x => x.Type == Type).OrderBy(x => x.Position).ToArray();
int oldPos = Array.IndexOf(channels, this);
var newPosChannel = channels.Where(x => x.Position > position).FirstOrDefault();
int newPos = (newPosChannel != null ? Array.IndexOf(channels, newPosChannel) : channels.Length) - 1;
if (newPos < 0)
{
newPos = 0;
}
int minPos;
if (oldPos < newPos) //Moving Down
{
minPos = oldPos;
for (int i = oldPos; i < newPos; i++)
{
channels[i] = channels[i + 1];
}
channels[newPos] = this;
}
else //(oldPos > newPos) Moving Up
{
minPos = newPos;
for (int i = oldPos; i > newPos; i--)
{
channels[i] = channels[i - 1];
}
channels[newPos] = this;
}
Channel after = minPos > 0 ? channels.Skip(minPos - 1).FirstOrDefault() : null;
await Server.ReorderChannels(channels.Skip(minPos), after).ConfigureAwait(false);
}
}