26 lines
1019 B
C#
26 lines
1019 B
C#
using System.Collections.Concurrent;
|
|
using System.Collections.Generic;
|
|
|
|
namespace PluralKit.Bot
|
|
{
|
|
// Doing things like this instead of enabling D.NET's message cache because the message cache is, let's face it,
|
|
// not particularly efficient? It allocates a dictionary *and* a queue for every single channel (500k in prod!)
|
|
// whereas this is, worst case, one dictionary *entry* of a single ulong per channel, and one dictionary instance
|
|
// on the whole instance, total. Yeah, much more efficient.
|
|
// TODO: is this still needed after the D#+ migration?
|
|
public class LastMessageCacheService
|
|
{
|
|
private IDictionary<ulong, ulong> _cache = new ConcurrentDictionary<ulong, ulong>();
|
|
|
|
public void AddMessage(ulong channel, ulong message)
|
|
{
|
|
_cache[channel] = message;
|
|
}
|
|
|
|
public ulong? GetLastMessage(ulong channel)
|
|
{
|
|
if (_cache.TryGetValue(channel, out var message)) return message;
|
|
return null;
|
|
}
|
|
}
|
|
} |