39 lines
1.5 KiB
C#
39 lines
1.5 KiB
C#
// Copyright (C) 2023-present sam/u1f320 (vulpine.solutions)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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using Foxnouns.Backend.Database;
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using Foxnouns.Backend.Database.Models;
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using Microsoft.EntityFrameworkCore;
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using NodaTime;
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namespace Foxnouns.Backend.Services.Caching;
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public class NoticeCacheService(IServiceProvider serviceProvider, IClock clock, ILogger logger)
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: SingletonCacheService<Notice>(serviceProvider, clock, logger)
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{
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public override Duration MaxAge { get; init; } = Duration.FromMinutes(5);
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public override Func<
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DatabaseContext,
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CancellationToken,
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Task<Notice?>
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> FetchFunc { get; init; } =
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async (db, ct) =>
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await db
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.Notices.Where(n =>
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n.StartTime < clock.GetCurrentInstant() && n.EndTime > clock.GetCurrentInstant()
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)
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.OrderByDescending(n => n.Id)
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.FirstOrDefaultAsync(ct);
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}
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