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using System;
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using System.IO;
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using MediaBrowser.Controller;
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using Microsoft.Extensions.Logging;
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using SQLitePCL.pretty;
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namespace Jellyfin.Server.Migrations.Routines
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{
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/// <summary>
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/// Remove duplicate entries which were caused by a bug where a file was considered to be an "Extra" to itself.
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/// </summary>
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internal class RemoveBuggedExtras : IMigrationRoutine
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{
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private const string DbFilename = "library.db";
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private readonly ILogger _logger;
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private readonly IServerApplicationPaths _paths;
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public RemoveBuggedExtras(ILogger<RemoveBuggedExtras> logger, IServerApplicationPaths paths)
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{
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_logger = logger;
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_paths = paths;
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}
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/// <inheritdoc/>
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public Guid Id => Guid.Parse("{ACBE17B7-8435-4A83-8B64-6FCF162CB9BD}");
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/// <inheritdoc/>
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public string Name => "RemoveBuggedExtras";
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/// <inheritdoc/>
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public void Perform()
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{
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var dataPath = _paths.DataPath;
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using (var connection = SQLite3.Open(
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Path.Combine(dataPath, DbFilename),
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ConnectionFlags.ReadWrite,
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null))
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{
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var queryResult = connection.Query("SELECT t1.Path FROM TypedBaseItems AS t1, TypedBaseItems AS t2 WHERE t1.Path=t2.Path AND t1.Type!=t2.Type AND t1.Type='MediaBrowser.Controller.Entities.Video'");
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var bads = string.Join(", ", queryResult.SelectScalarString());
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if (bads.Length != 0)
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{
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_logger.LogInformation("Removing found duplicated extras for the following items: {0}", bads);
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connection.Execute("DELETE FROM TypedBaseItems WHERE rowid IN (SELECT t1.rowid FROM TypedBaseItems AS t1, TypedBaseItems AS t2 WHERE t1.Path=t2.Path AND t1.Type!=t2.Type AND t1.Type='MediaBrowser.Controller.Entities.Video')");
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}
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}
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}
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}
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}
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