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using Dapper;
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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 CleanupDuplicateMetadataFiles : IHousekeepingTask
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{
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private readonly IMainDatabase _database;
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public CleanupDuplicateMetadataFiles(IMainDatabase 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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DeleteDuplicateArtistMetadata();
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DeleteDuplicateAlbumMetadata();
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DeleteDuplicateTrackMetadata();
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DeleteDuplicateTrackImages();
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}
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private void DeleteDuplicateArtistMetadata()
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{
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using var mapper = _database.OpenConnection();
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mapper.Execute(@"DELETE FROM ""MetadataFiles""
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WHERE ""Id"" IN (
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SELECT MIN(""Id"") FROM ""MetadataFiles""
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WHERE ""Type"" = 1
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GROUP BY ""ArtistId"", ""Consumer""
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HAVING COUNT(""ArtistId"") > 1
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)");
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}
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private void DeleteDuplicateAlbumMetadata()
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{
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using var mapper = _database.OpenConnection();
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mapper.Execute(@"DELETE FROM ""MetadataFiles""
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WHERE ""Id"" IN (
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SELECT MIN(""Id"") FROM ""MetadataFiles""
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WHERE ""Type"" = 6
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GROUP BY ""AlbumId"", ""Consumer""
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HAVING COUNT(""AlbumId"") > 1
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)");
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}
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private void DeleteDuplicateTrackMetadata()
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{
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using var mapper = _database.OpenConnection();
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mapper.Execute(@"DELETE FROM ""MetadataFiles""
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WHERE ""Id"" IN (
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SELECT MIN(""Id"") FROM ""MetadataFiles""
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WHERE ""Type"" = 2
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GROUP BY ""TrackFileId"", ""Consumer""
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HAVING COUNT(""TrackFileId"") > 1
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)");
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}
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private void DeleteDuplicateTrackImages()
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{
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using var mapper = _database.OpenConnection();
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mapper.Execute(@"DELETE FROM ""MetadataFiles""
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WHERE ""Id"" IN (
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SELECT MIN(""Id"") FROM ""MetadataFiles""
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WHERE ""Type"" = 5
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GROUP BY ""TrackFileId"", ""Consumer""
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HAVING COUNT(""TrackFileId"") > 1
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)");
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}
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}
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}
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