96 lines
3.1 KiB
C#
96 lines
3.1 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2021
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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namespace ASC.Files.ThumbnailBuilder;
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[Singletone]
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public class ThumbnailBuilder : BackgroundService
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{
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private readonly IServiceProvider _serviceProvider;
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private readonly ThumbnailSettings _thumbnailSettings;
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private readonly ILog _logger;
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public ThumbnailBuilder(
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IServiceProvider serviceProvider,
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IOptionsMonitor<ILog> options,
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ThumbnailSettings settings)
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{
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_serviceProvider = serviceProvider;
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_thumbnailSettings = settings;
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_logger = options.Get("ASC.Files.ThumbnailBuilder");
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}
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protected override async Task ExecuteAsync(CancellationToken stoppingToken)
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{
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_logger.Info("Thumbnail Worker running.");
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while (!stoppingToken.IsCancellationRequested)
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{
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await Procedure(stoppingToken);
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}
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_logger.Info("Thumbnail Worker is stopping.");
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}
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private async Task Procedure(CancellationToken stoppingToken)
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{
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_logger.Trace("Procedure: Start.");
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if (stoppingToken.IsCancellationRequested)
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{
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return;
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}
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//var configSection = (ConfigSection)ConfigurationManager.GetSection("thumbnailBuilder") ?? new ConfigSection();
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//CommonLinkUtility.Initialize(configSection.ServerRoot, false);
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var filesWithoutThumbnails = FileDataQueue.Queue.Select(pair => pair.Value).ToList();
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if (filesWithoutThumbnails.Count == 0)
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{
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_logger.TraceFormat("Procedure: Waiting for data. Sleep {0}.", _thumbnailSettings.LaunchFrequency);
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await Task.Delay(TimeSpan.FromSeconds(_thumbnailSettings.LaunchFrequency), stoppingToken);
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return;
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}
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using (var scope = _serviceProvider.CreateScope())
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{
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var fileDataProvider = scope.ServiceProvider.GetService<FileDataProvider>();
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var builder = scope.ServiceProvider.GetService<BuilderQueue<int>>();
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var premiumTenants = fileDataProvider.GetPremiumTenants();
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filesWithoutThumbnails = filesWithoutThumbnails
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.OrderByDescending(fileData => Array.IndexOf(premiumTenants, fileData.TenantId))
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.ToList();
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builder.BuildThumbnails(filesWithoutThumbnails);
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}
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_logger.Trace("Procedure: Finish.");
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}
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}
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public static class WorkerExtension
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{
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public static void Register(DIHelper services)
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{
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services.TryAdd<FileDataProvider>();
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services.TryAdd<BuilderQueue<int>>();
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services.TryAdd<Builder<int>>();
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}
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} |