/// <summary>
/// Makes adding Rewind by a time period with an option interval easier.
/// Full documentation can be found here: https://ably.com/docs/realtime/channels/channel-parameters/overview#rewind.
/// </summary>
/// <param name="options">the <see cref="ChannelOptions"/> that will be modified.</param>
/// <param name="rewindBy">by how much should we rewind.</param>
/// <param name="limit">the max number of messages that should be returned. Max: 100.</param>
/// <returns>the same ChannelOptions object so other calls can be chained.</returns>
public static ChannelOptions WithRewind(this ChannelOptions options, TimeSpan rewindBy, int?limit)
{
var result = options.WithParam("rewind", rewindBy.TotalSeconds + "s");
if (limit.HasValue && limit > 0)
{
var l = Math.Min(limit.Value, 100);
result.WithParam("rewindLimit", l.ToString());
}
return(result);
}
/// <summary>
/// Makes adding Rewind by a number of messages easier.
/// Full documentation can be found here: https://ably.com/docs/realtime/channels/channel-parameters/overview#rewind.
/// </summary>
/// <param name="options">the <see cref="ChannelOptions"/> that will be modified.</param>
/// <param name="numberOfMessages">the value passed to Rewind param.</param>
/// <returns>the same ChannelOptions object so other calls can be chained.</returns>
public static ChannelOptions WithRewind(this ChannelOptions options, int numberOfMessages)
{
return(options.WithParam("rewind", numberOfMessages.ToString()));
}