using DSharpPlus.Entities;

using Microsoft.Extensions.Caching.Memory;

using Microsoft.Extensions.Options;

namespace DSharpPlus;

public class MessageCache : IMessageCacheProvider

{

private readonly IMemoryCache cache;

private readonly MemoryCacheEntryOptions entryOptions;

public MessageCache(IMemoryCache cache, IOptions<DiscordConfiguration> config)

{

this.cache = cache;

this.entryOptions = new MemoryCacheEntryOptions()

{

Size = 1,

SlidingExpiration = config.Value.SlidingMessageCacheExpiration,

AbsoluteExpirationRelativeToNow = config.Value.AbsoluteMessageCacheExpiration

};

}

/// <inheritdoc/>

public void Add(DiscordMessage message)

=> this.cache.Set(message.Id, message, this.entryOptions);

/// <inheritdoc/>

public void Remove(ulong messageId) => this.cache.Remove(messageId);

/// <inheritdoc/>

public bool TryGet(ulong messageId, out DiscordMessage? message) => this.cache.TryGetValue(messageId, out message);

}