100 lines
3.4 KiB
C#
100 lines
3.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Threading;
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using System.Threading.Tasks;
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using Jellyfin.Server.Implementations;
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using MediaBrowser.Model.Globalization;
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using MediaBrowser.Model.Tasks;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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namespace Emby.Server.Implementations.ScheduledTasks.Tasks
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{
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/// <summary>
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/// Optimizes Jellyfin's database by issuing a VACUUM command.
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/// </summary>
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public class OptimizeDatabaseTask : IScheduledTask, IConfigurableScheduledTask
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{
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private readonly ILogger<OptimizeDatabaseTask> _logger;
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private readonly ILocalizationManager _localization;
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private readonly JellyfinDbProvider _provider;
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/// <summary>
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/// Initializes a new instance of the <see cref="OptimizeDatabaseTask" /> class.
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/// </summary>
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/// <param name="logger">The logger.</param>
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/// <param name="localization">The localization manager.</param>
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/// <param name="provider">The jellyfin DB context provider.</param>
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public OptimizeDatabaseTask(
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ILogger<OptimizeDatabaseTask> logger,
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ILocalizationManager localization,
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JellyfinDbProvider provider)
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{
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_logger = logger;
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_localization = localization;
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_provider = provider;
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}
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/// <inheritdoc />
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public string Name => _localization.GetLocalizedString("TaskOptimizeDatabase");
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/// <inheritdoc />
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public string Description => _localization.GetLocalizedString("TaskOptimizeDatabaseDescription");
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/// <inheritdoc />
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public string Category => _localization.GetLocalizedString("TasksMaintenanceCategory");
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/// <inheritdoc />
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public string Key => "OptimizeDatabaseTask";
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/// <inheritdoc />
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public bool IsHidden => false;
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/// <inheritdoc />
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public bool IsEnabled => true;
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/// <inheritdoc />
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public bool IsLogged => true;
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/// <summary>
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/// Creates the triggers that define when the task will run.
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/// </summary>
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/// <returns>IEnumerable{BaseTaskTrigger}.</returns>
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public IEnumerable<TaskTriggerInfo> GetDefaultTriggers()
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{
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return new[]
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{
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// Every so often
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new TaskTriggerInfo { Type = TaskTriggerInfo.TriggerInterval, IntervalTicks = TimeSpan.FromHours(24).Ticks }
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};
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}
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/// <inheritdoc />
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public Task ExecuteAsync(IProgress<double> progress, CancellationToken cancellationToken)
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{
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_logger.LogInformation("Optimizing and vacuuming jellyfin.db...");
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try
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{
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using var context = _provider.CreateContext();
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if (context.Database.IsSqlite())
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{
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context.Database.ExecuteSqlRaw("PRAGMA optimize");
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context.Database.ExecuteSqlRaw("VACUUM");
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_logger.LogInformation("jellyfin.db optimized successfully!");
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}
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else
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{
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_logger.LogInformation("This database doesn't support optimization");
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}
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}
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catch (Exception e)
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{
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_logger.LogError(e, "Error while optimizing jellyfin.db");
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}
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return Task.CompletedTask;
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}
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}
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}
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