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

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using System;
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using System.Linq;
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using NLog;
using NzbDrone.Common.Messaging;
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using NzbDrone.Core.Lifecycle;
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namespace NzbDrone.Core.DataAugmentation.Scene
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{
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public interface ISceneMappingService
{
string GetSceneName(int tvdbId, int seasonNumber = -1);
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Nullable<int> GetTvDbId(string cleanName);
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}
public class SceneMappingService : ISceneMappingService,
IHandleAsync<ApplicationStartedEvent>,
IExecute<UpdateSceneMappingCommand>
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{
private readonly ISceneMappingRepository _repository;
private readonly ISceneMappingProxy _sceneMappingProxy;
private readonly Logger _logger;
public SceneMappingService(ISceneMappingRepository repository, ISceneMappingProxy sceneMappingProxy, Logger logger)
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{
_repository = repository;
_sceneMappingProxy = sceneMappingProxy;
_logger = logger;
}
public string GetSceneName(int tvdbId, int seasonNumber = -1)
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{
var mapping = _repository.FindByTvdbId(tvdbId);
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if (mapping == null) return null;
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return mapping.SceneName;
}
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public Nullable<Int32> GetTvDbId(string cleanName)
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{
var mapping = _repository.FindByCleanTitle(cleanName);
if (mapping == null)
return null;
return mapping.TvdbId;
}
public void HandleAsync(ApplicationStartedEvent message)
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{
if (!_repository.HasItems())
{
UpdateMappings();
}
}
private void UpdateMappings()
{
try
{
var mappings = _sceneMappingProxy.Fetch();
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();
}
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}
}