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using NzbDrone.Core.Datastore;
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namespace NzbDrone.Core.Housekeeping.Housekeepers
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{
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public class CleanupOrphanedMetadataFiles : IHousekeepingTask
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{
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private readonly IDatabase _database;
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public CleanupOrphanedMetadataFiles(IDatabase database)
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{
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_database = database;
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}
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public void Clean()
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{
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DeleteOrphanedBySeries();
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DeleteOrphanedByEpisodeFile();
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DeleteWhereEpisodeFileIsZero();
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}
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private void DeleteOrphanedBySeries()
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{
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var mapper = _database.GetDataMapper();
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mapper.ExecuteNonQuery(@"DELETE FROM MetadataFiles
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WHERE Id IN (
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SELECT MetadataFiles.Id FROM MetadataFiles
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LEFT OUTER JOIN Series
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ON MetadataFiles.SeriesId = Series.Id
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WHERE Series.Id IS NULL)");
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}
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private void DeleteOrphanedByEpisodeFile()
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{
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var mapper = _database.GetDataMapper();
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mapper.ExecuteNonQuery(@"DELETE FROM MetadataFiles
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WHERE Id IN (
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SELECT MetadataFiles.Id FROM MetadataFiles
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LEFT OUTER JOIN EpisodeFiles
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ON MetadataFiles.EpisodeFileId = EpisodeFiles.Id
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WHERE MetadataFiles.EpisodeFileId > 0
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AND EpisodeFiles.Id IS NULL)");
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}
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private void DeleteWhereEpisodeFileIsZero()
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{
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var mapper = _database.GetDataMapper();
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mapper.ExecuteNonQuery(@"DELETE FROM MetadataFiles
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WHERE Id IN (
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SELECT Id FROM MetadataFiles
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WHERE Type IN (2, 5)
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AND EpisodeFileId = 0)");
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}
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}
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}
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