32 lines
1.2 KiB
C#
32 lines
1.2 KiB
C#
using BotPages.Core.Abstractions;
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using System.Collections.Concurrent;
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namespace BotPages.Core.Storage;
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/// <summary>
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/// Памятное хранилище состояния.
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/// </summary>
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public sealed class InMemoryStateStorage : IStateStorage
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{
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private readonly ConcurrentDictionary<CompositeSessionKey, ConcurrentDictionary<string, object?>> _store = new();
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/// <inheritdoc />
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public Task<T?> GetAsync<T>(CompositeSessionKey session, string key, CancellationToken ct)
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=> Task.FromResult(_store.TryGetValue(session, out var dict) ?
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dict.TryGetValue(key, out var obj) ? (T?)obj : default
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: default);
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/// <inheritdoc />
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public Task SetAsync<T>(CompositeSessionKey session, string key, T state, CancellationToken ct)
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{
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_store[session][key] = state!;
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return Task.CompletedTask;
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}
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/// <inheritdoc />
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public Task<bool> RemoveAsync(CompositeSessionKey session, string key, CancellationToken ct)
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=> Task.FromResult(_store.TryGetValue(session, out var dict) ? dict.TryRemove(key, out _) : true);
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public Task<bool> ClearAsync(CompositeSessionKey session, CancellationToken ct)
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=> Task.FromResult(_store.TryRemove(session, out _));
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} |