59 lines
1.7 KiB
C#
59 lines
1.7 KiB
C#
/*
|
|
*
|
|
* (c) Copyright Ascensio System Limited 2010-2021
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
*/
|
|
|
|
namespace ASC.Files.ThumbnailBuilder;
|
|
|
|
[Singletone]
|
|
public class ThumbnailService : IHostedService
|
|
{
|
|
private readonly ICacheNotify<ThumbnailRequest> _cacheNotify;
|
|
private readonly ILog _logger;
|
|
|
|
public ThumbnailService(ICacheNotify<ThumbnailRequest> cacheNotify, IOptionsMonitor<ILog> options)
|
|
{
|
|
_cacheNotify = cacheNotify;
|
|
_logger = options.Get("ASC.Files.ThumbnailService");
|
|
}
|
|
|
|
public Task StartAsync(CancellationToken cancellationToken)
|
|
{
|
|
_logger.Info("Thumbnail Service running.");
|
|
|
|
_cacheNotify.Subscribe(BuildThumbnails, CacheNotifyAction.Insert);
|
|
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
public Task StopAsync(CancellationToken cancellationToken)
|
|
{
|
|
_logger.Info("Thumbnail Service is stopping.");
|
|
|
|
_cacheNotify.Unsubscribe(CacheNotifyAction.Insert);
|
|
|
|
return Task.CompletedTask;
|
|
}
|
|
|
|
public void BuildThumbnails(ThumbnailRequest request)
|
|
{
|
|
foreach (var fileId in request.Files)
|
|
{
|
|
var fileData = new FileData<int>(request.Tenant, fileId, request.BaseUrl);
|
|
|
|
FileDataQueue.Queue.TryAdd(fileId, fileData);
|
|
}
|
|
}
|
|
}
|