135 lines
3.7 KiB
C#
135 lines
3.7 KiB
C#
namespace ASC.ElasticSearch;
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public class ElasticSearchIndexService : BackgroundService
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{
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private readonly ILog _logger;
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private readonly ICacheNotify<AscCacheItem> _notify;
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private readonly ICacheNotify<IndexAction> _indexNotify;
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private readonly IServiceScopeFactory _serviceScopeFactory;
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private readonly TimeSpan _period;
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private bool _isStarted;
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public ElasticSearchIndexService(
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IOptionsMonitor<ILog> options,
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ICacheNotify<AscCacheItem> notify,
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ICacheNotify<IndexAction> indexNotify,
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IServiceScopeFactory serviceScopeFactory,
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Settings settings)
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{
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_logger = options.Get("ASC.Indexer");
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_notify = notify;
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_indexNotify = indexNotify;
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_serviceScopeFactory = serviceScopeFactory;
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_period = TimeSpan.FromMinutes(settings.Period.Value);
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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("ElasticSearch Index Service running.");
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try
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{
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_notify.Subscribe(async (item) =>
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{
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while (_isStarted)
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{
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await Task.Delay(10000);
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}
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IndexAll(true);
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}, CacheNotifyAction.Any);
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}
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catch (Exception e)
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{
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_logger.Error("Subscribe on start", e);
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}
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using var scope = _serviceScopeFactory.CreateScope();
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var factoryIndexer = scope.ServiceProvider.GetService<FactoryIndexer>();
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while (!factoryIndexer.CheckState(false))
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{
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if (stoppingToken.IsCancellationRequested)
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{
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return;
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}
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await Task.Delay(10000);
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}
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var service = scope.ServiceProvider.GetService<ElasticSearchService>();
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service.Subscribe();
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while (!stoppingToken.IsCancellationRequested)
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{
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IndexAll();
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await Task.Delay(_period, stoppingToken);
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}
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}
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public void IndexProduct(IFactoryIndexer product, bool reindex)
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{
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if (reindex)
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{
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try
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{
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if (!_isStarted)
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{
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return;
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}
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_logger.DebugFormat("Product reindex {0}", product.IndexName);
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product.ReIndex();
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}
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catch (Exception e)
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{
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_logger.Error(e);
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_logger.ErrorFormat("Product reindex {0}", product.IndexName);
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}
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}
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try
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{
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if (!_isStarted)
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{
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return;
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}
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_logger.DebugFormat("Product {0}", product.IndexName);
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_indexNotify.Publish(new IndexAction() { Indexing = product.IndexName, LastIndexed = 0 }, CacheNotifyAction.Any);
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product.IndexAll();
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}
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catch (Exception e)
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{
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_logger.Error(e);
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_logger.ErrorFormat("Product {0}", product.IndexName);
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}
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}
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private void IndexAll(bool reindex = false)
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{
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try
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{
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_isStarted = true;
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using (var scope = _serviceScopeFactory.CreateScope())
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{
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var wrappers = scope.ServiceProvider.GetService<IEnumerable<IFactoryIndexer>>();
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Parallel.ForEach(wrappers, wrapper =>
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{
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IndexProduct(wrapper, reindex);
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});
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}
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_indexNotify.Publish(new IndexAction() { Indexing = "", LastIndexed = DateTime.Now.Ticks }, CacheNotifyAction.Any);
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_isStarted = false;
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}
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catch (Exception e)
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{
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_logger.Fatal("IndexAll", e);
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throw;
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}
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}
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} |