public async Task GetLeaderboardAsync(int start, DateTime?from = null)
{
var count = await PointsService.GetUserCountAsync();
if (start < 1)
{
start = 1;
}
if (start >= count)
{
start = count - 1;
}
start -= start % BoardPageLimit;
var board = await PointsService.GetLeaderboardAsync(start, BoardPageLimit, from);
var embed = new PointsEmbed().WithBoard(
board, Context.Client.CurrentUser, count, start, BoardPageLimit, from);
var message = await ReplyAsync(embed : embed.Build());
await message.AddReactionsAsync(ReactionSettings.PaginationReactions);
}
public async Task <bool> HandleReactionAddedAsync(IUserMessage message, IEmote reaction, IUser user)
{
var embed = message.Embeds.FirstOrDefault();
if (embed == null || embed.Author == null || embed.Footer == null)
{
return(false); // Embed checks
}
if (!ReactionSettings.PaginationReactions.Any(emote => emote.IsEqual(reaction)))
{
return(false); // Reaction check.
}
if (message.ReferencedMessage == null)
{
return(false);
}
if (!embed.TryParseMetadata <PointsEmbedMetadata>(out var metadata))
{
return(false); // Not a points board embed.
}
var count = await PointsService.GetUserCountAsync();
if (count == 0)
{
return(false);
}
int newStart = metadata.Start;
if (reaction.IsEqual(ReactionSettings.MoveToFirst))
{
newStart = 0;
}
else if (reaction.IsEqual(ReactionSettings.MoveToLast))
{
newStart = count - 1;
}
else if (reaction.IsEqual(ReactionSettings.MoveToNext))
{
newStart += BoardPageLimit;
}
else if (reaction.IsEqual(ReactionSettings.MoveToPrevious))
{
newStart -= BoardPageLimit;
}
if (newStart >= count)
{
newStart = count - 1;
}
else if (newStart < 0)
{
newStart = 0;
}
newStart -= newStart % BoardPageLimit;
var context = new CommandContext(Client, message.ReferencedMessage);
if (newStart != metadata.Start)
{
var board = await PointsService.GetLeaderboardAsync(newStart, BoardPageLimit, metadata.DateFrom);
var newEmbed = new PointsEmbed()
.WithBoard(board, context.Client.CurrentUser, count, newStart, BoardPageLimit, metadata.DateFrom)
.Build();
await message.ModifyAsync(msg => msg.Embed = newEmbed);
}
if (!context.IsPrivate) // DMs have blocked removing reactions.
{
await message.RemoveReactionAsync(reaction, user);
}
return(true);
}