Sonarr/NzbDrone.Core/DataAugmentation/Scene/SceneMappingService.cs

94 lines
2.5 KiB
C#

using System;
using System.Linq;
using NLog;
using NzbDrone.Common.Messaging;
using NzbDrone.Core.Lifecycle;
namespace NzbDrone.Core.DataAugmentation.Scene
{
public interface ISceneMappingService
{
string GetSceneName(int tvdbId, int seasonNumber = -1);
Nullable<int> GetTvDbId(string cleanName);
}
public class SceneMappingService : ISceneMappingService,
IHandleAsync<ApplicationStartedEvent>,
IExecute<UpdateSceneMappingCommand>
{
private static readonly object mutex = new object();
private readonly ISceneMappingRepository _repository;
private readonly ISceneMappingProxy _sceneMappingProxy;
private readonly Logger _logger;
public SceneMappingService(ISceneMappingRepository repository, ISceneMappingProxy sceneMappingProxy, Logger logger)
{
_repository = repository;
_sceneMappingProxy = sceneMappingProxy;
_logger = logger;
}
public string GetSceneName(int tvdbId, int seasonNumber = -1)
{
var mapping = _repository.FindByTvdbId(tvdbId);
if (mapping == null) return null;
return mapping.SceneName;
}
public Nullable<Int32> GetTvDbId(string cleanName)
{
var mapping = _repository.FindByCleanTitle(cleanName);
if (mapping == null)
return null;
return mapping.TvdbId;
}
public void HandleAsync(ApplicationStartedEvent message)
{
if (!_repository.HasItems())
{
UpdateMappings();
}
}
private void UpdateMappings()
{
try
{
var mappings = _sceneMappingProxy.Fetch();
lock (mutex)
{
if (mappings.Any())
{
_repository.Purge();
_repository.InsertMany(mappings);
}
else
{
_logger.Warn("Received empty list of mapping. will not update.");
}
}
}
catch (Exception ex)
{
_logger.ErrorException("Failed to Update Scene Mappings:", ex);
}
}
public void Execute(UpdateSceneMappingCommand message)
{
UpdateMappings();
}
}
}