Stream custom live channels using your own media
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using System.Collections.Generic;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using ErsatzTV.Core;
using ErsatzTV.Core.Domain;
using ErsatzTV.Core.Interfaces.Metadata;
using ErsatzTV.Core.Interfaces.Repositories;
using ErsatzTV.Core.Interfaces.Search;
using LanguageExt;
using Microsoft.Extensions.Logging;
namespace ErsatzTV.Application.Search.Commands
{
public class RebuildSearchIndexHandler : MediatR.IRequestHandler<RebuildSearchIndex, Unit>
{
private readonly IConfigElementRepository _configElementRepository;
private readonly ILocalFileSystem _localFileSystem;
private readonly ILogger<RebuildSearchIndexHandler> _logger;
private readonly ISearchIndex _searchIndex;
private readonly ISearchRepository _searchRepository;
public RebuildSearchIndexHandler(
ISearchIndex searchIndex,
ISearchRepository searchRepository,
IConfigElementRepository configElementRepository,
ILocalFileSystem localFileSystem,
ILogger<RebuildSearchIndexHandler> logger)
{
_searchIndex = searchIndex;
_logger = logger;
_searchRepository = searchRepository;
_configElementRepository = configElementRepository;
_localFileSystem = localFileSystem;
}
public async Task<Unit> Handle(RebuildSearchIndex request, CancellationToken cancellationToken)
{
bool indexFolderExists = Directory.Exists(FileSystemLayout.SearchIndexFolder);
await _searchIndex.Initialize(_localFileSystem);
if (!indexFolderExists ||
await _configElementRepository.GetValue<int>(ConfigElementKey.SearchIndexVersion) <
_searchIndex.Version)
{
_logger.LogInformation("Migrating search index to version {Version}", _searchIndex.Version);
List<int> itemIds = await _searchRepository.GetItemIdsToIndex();
await _searchIndex.Rebuild(_searchRepository, itemIds);
await _configElementRepository.Upsert(ConfigElementKey.SearchIndexVersion, _searchIndex.Version);
_logger.LogInformation("Done migrating search index");
}
else
{
_logger.LogInformation("Search index is already version {Version}", _searchIndex.Version);
}
return Unit.Default;
}
}
}