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Diffstat (limited to 'back-end/src/Cache/UserSettingsStore.cs')
-rw-r--r-- | back-end/src/Cache/UserSettingsStore.cs | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/back-end/src/Cache/UserSettingsStore.cs b/back-end/src/Cache/UserSettingsStore.cs new file mode 100644 index 0000000..51d47ff --- /dev/null +++ b/back-end/src/Cache/UserSettingsStore.cs @@ -0,0 +1,62 @@ +// 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 <https://www.gnu.org/licenses/>. + + +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<UserSettings>? 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<UserSettings>(serializer, serializer); + } + + } + + private sealed class MemPackCacheSerializer(MemoryPackSerializerOptions? options) : ICacheObjectSerializer, ICacheObjectDeserializer + { + ///<inheritdoc/> + public T? Deserialize<T>(ReadOnlySpan<byte> objectData) => MemoryPackSerializer.Deserialize<T>(objectData, options); + + ///<inheritdoc/> + public void Serialize<T>(T obj, IBufferWriter<byte> finiteWriter) => MemoryPackSerializer.Serialize(finiteWriter, obj, options); + } + } +} |