public ProductSearchManager(ProductManager productManager, ISearchIndexInfoProvider searchIndexInfoProvider, ISearchProviderFactory <Product> searchProviderFactory)
{
this.productManager = productManager;
this.searchIndexInfoProvider = searchIndexInfoProvider;
this.searchProviderFactory = searchProviderFactory;
searchProvider = new Lazy <ISearchProvider <Product> >(() =>
{
var searchIndexInfo = searchIndexInfoProvider.GetCurrentSearchIndexInfo();
if (searchIndexInfo == null)
{
throw new InvalidOperationException("Cant get current search index info");
}
return(searchProviderFactory.GetProvider(searchIndexInfo.IndexFilesLocation));
});
}
public void CreateSearchIndex()
{
var currentSearchIndexInfo = GetCurrentSearchIndexInfo();
searchIndexInfoProvider.EnterLock();
searchIndexInfoProvider.SaveCurrentSearchIndexInfo(new SearchIndexInfo()
{
Date = DateTime.Now,
IndexInProgress = true,
});
Task.Run(() =>
{
var indexDirectory = new DirectoryInfo(Path.Combine(
AppDomain.CurrentDomain.BaseDirectory,
AppConfiguration.SearchManagerFolderName,
Guid.NewGuid().ToString()));
try
{
var searchProvider = searchProviderFactory.GetProvider(indexDirectory);
var batchSize = 100;
var pageCount = (int)Math.Ceiling(productManager.GetCount() / (double)batchSize);
for (var page = 0; page < pageCount; page++)
{
var products = productManager.GetPageSortedBy(ProductFields.Title, false, batchSize, page).Items;
searchProvider.AddOrUpdate(products);
indexProgressPercentage = 100 * ((page + 1) / (double)pageCount);
}
searchProvider.Optimize();
searchIndexInfoProvider.SaveCurrentSearchIndexInfo(new SearchIndexInfo
{
IndexFilesLocation = indexDirectory.FullName,
Date = DateTime.Now,
IndexSuccess = true,
IndexFinished = true
});
if (currentSearchIndexInfo != null)
{
if (Directory.Exists(currentSearchIndexInfo.IndexFilesLocation))
{
Directory.Delete(currentSearchIndexInfo.IndexFilesLocation, true);
}
}
}
catch (Exception e)
{
searchIndexInfoProvider.SaveCurrentSearchIndexInfo(new SearchIndexInfo
{
Date = DateTime.Now,
IndexSuccess = false,
IndexFinished = true,
IndexErrorMessage = e.Message,
IndexErrorStackTrace = e.StackTrace
});
if (Directory.Exists(indexDirectory.FullName))
{
Directory.Delete(indexDirectory.FullName, true);
}
throw;
}
finally
{
searchIndexInfoProvider.ExitLock();
}
});
}