// Copyright (C) 2024 Vaughn Nugent
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see .
using System;
using System.Buffers;
using MemoryPack;
using VNLib.Plugins;
using VNLib.Plugins.Extensions.Loading;
using VNLib.Data.Caching;
using VNLib.Plugins.Extensions.VNCache;
using VNLib.Plugins.Extensions.VNCache.DataModel;
namespace SimpleBookmark.Cache
{
[ConfigurationName("settings")]
internal sealed class UserSettingsStore
{
private readonly IEntityCache? Cache;
public UserSettingsStore(PluginBase plugin, IConfigScope config)
{
//try to get the global cache provider
IGlobalCacheProvider? cache = plugin.GetDefaultGlobalCache();
if (cache != null)
{
MemPackCacheSerializer serializer = new(null);
//Recover the cache prefix
string prefix = config.GetRequiredProperty("cache_prefix", p => p.GetString()!);
//Create a prefixed cache, then create an entity cache for the user settings
Cache = cache.GetPrefixedCache(prefix)
.CreateEntityCache(serializer, serializer);
}
}
private sealed class MemPackCacheSerializer(MemoryPackSerializerOptions? options) : ICacheObjectSerializer, ICacheObjectDeserializer
{
///
public T? Deserialize(ReadOnlySpan objectData) => MemoryPackSerializer.Deserialize(objectData, options);
///
public void Serialize(T obj, IBufferWriter finiteWriter) => MemoryPackSerializer.Serialize(finiteWriter, obj, options);
}
}
}