public async Task <ReactionContext> WaitForReactionAsync(Func <DiscordEmoji, bool> predicate, TimeSpan timeout)
{
var tsc = new TaskCompletionSource <ReactionContext>();
var ct = new CancellationTokenSource(timeout);
ct.Token.Register(() => tsc.TrySetResult(null));
AsyncEventHandler <MessageReactionAddEventArgs> handler = async e =>
{
await Task.Yield();
if (predicate(e.Emoji))
{
var rc = new ReactionContext()
{
Channel = e.Channel,
Emoji = e.Emoji,
Message = e.Message,
User = e.User,
Interactivity = this
};
tsc.TrySetResult(rc);
return;
}
};
this.Client.MessageReactionAdded += handler;
var result = await tsc.Task;
this.Client.MessageReactionAdded -= handler;
return(result);
}
/// <summary>
/// Waits for a reaction to be received
/// </summary>
/// <param name="predicate">Expected predicate</param>
/// <param name="timeoutoverride">TImeout override</param>
/// <returns></returns>
public async Task <ReactionContext> WaitForReactionAsync(Func <DiscordEmoji, bool> predicate, TimeSpan?timeoutoverride = null)
{
if (predicate == null)
{
throw new ArgumentNullException(nameof(predicate));
}
TimeSpan timeout = Config.Timeout;
if (timeoutoverride != null)
{
timeout = (TimeSpan)timeoutoverride;
}
var tsc = new TaskCompletionSource <ReactionContext>();
var ct = new CancellationTokenSource(timeout);
ct.Token.Register(() => tsc.TrySetResult(null));
try
{
this.Client.MessageReactionAdded += Handler;
var result = await tsc.Task.ConfigureAwait(false);
return(result);
}
catch (Exception)
{
throw;
}
finally
{
this.Client.MessageReactionAdded -= Handler;
ct.Dispose();
}
#region Handler
async Task Handler(MessageReactionAddEventArgs e)
{
await Task.Yield();
if (predicate(e.Emoji))
{
var rc = new ReactionContext()
{
Channel = e.Channel,
Emoji = e.Emoji,
Message = e.Message,
User = e.User,
Interactivity = this
};
tsc.TrySetResult(rc);
return;
}
}
#endregion
}
public async Task <ReactionContext> WaitForMessageReactionAsync(DiscordMessage msg, TimeSpan timeout, ulong user_id = 0)
{
var message_id = msg.Id;
var tsc = new TaskCompletionSource <ReactionContext>();
var ct = new CancellationTokenSource(timeout);
ct.Token.Register(() => tsc.TrySetResult(null));
AsyncEventHandler <MessageReactionAddEventArgs> handler = async(e) =>
{
await Task.Yield();
if (e.Message.Id == message_id)
{
if (user_id == 0 || e.User.Id == user_id)
{
var rc = new ReactionContext()
{
Channel = e.Channel,
Emoji = e.Emoji,
Message = e.Message,
User = e.User,
Interactivity = this
};
tsc.TrySetResult(rc);
return;
}
}
};
this.Client.MessageReactionAdded += handler;
var result = await tsc.Task;
this.Client.MessageReactionAdded -= handler;
return(result);
}
public async Task <ReactionContext> WaitForMessageReactionAsync(DiscordMessage message, DiscordUser user = null, TimeSpan?timeoutoverride = null)
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
TimeSpan timeout = Config.Timeout;
if (timeoutoverride != null)
{
timeout = (TimeSpan)timeoutoverride;
}
var message_id = message.Id;
var tsc = new TaskCompletionSource <ReactionContext>();
var ct = new CancellationTokenSource(timeout);
ct.Token.Register(() => tsc.TrySetResult(null));
try
{
this.Client.MessageReactionAdded += Handler;
var result = await tsc.Task;
return(result);
}
catch (Exception)
{
throw;
}
finally
{
this.Client.MessageReactionAdded -= Handler;
}
#region Handler
async Task Handler(MessageReactionAddEventArgs e)
{
await Task.Yield();
if (e.Message.Id == message_id)
{
if (user == null || e.User.Id == user?.Id)
{
var rc = new ReactionContext()
{
Channel = e.Channel,
Emoji = e.Emoji,
Message = e.Message,
User = e.User,
Interactivity = this
};
tsc.TrySetResult(rc);
return;
}
}
}
#endregion
}
