jellyfin/Jellyfin.Server.Implementations/JellyfinDbProvider.cs
2021-09-06 21:15:31 +02:00

52 lines
2.1 KiB
C#

using System;
using System.IO;
using System.Linq;
using MediaBrowser.Common.Configuration;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
namespace Jellyfin.Server.Implementations
{
/// <summary>
/// Factory class for generating new <see cref="JellyfinDb"/> instances.
/// </summary>
public class JellyfinDbProvider
{
private readonly IServiceProvider _serviceProvider;
private readonly IApplicationPaths _appPaths;
private readonly ILogger<JellyfinDbProvider> _logger;
/// <summary>
/// Initializes a new instance of the <see cref="JellyfinDbProvider"/> class.
/// </summary>
/// <param name="serviceProvider">The application's service provider.</param>
/// <param name="appPaths">The application paths.</param>
/// <param name="logger">The logger.</param>
public JellyfinDbProvider(IServiceProvider serviceProvider, IApplicationPaths appPaths, ILogger<JellyfinDbProvider> logger)
{
_serviceProvider = serviceProvider;
_appPaths = appPaths;
_logger = logger;
using var jellyfinDb = CreateContext();
if (jellyfinDb.Database.GetPendingMigrations().Any())
{
_logger.LogInformation("There are pending EFCore migrations in the database. Applying... (This may take a while, do not stop Jellyfin)");
jellyfinDb.Database.Migrate();
_logger.LogInformation("EFCore migrations applied successfully");
}
}
/// <summary>
/// Creates a new <see cref="JellyfinDb"/> context.
/// </summary>
/// <returns>The newly created context.</returns>
public JellyfinDb CreateContext()
{
var contextOptions = new DbContextOptionsBuilder<JellyfinDb>().UseSqlite($"Filename={Path.Combine(_appPaths.DataPath, "jellyfin.db")}");
return ActivatorUtilities.CreateInstance<JellyfinDb>(_serviceProvider, contextOptions.Options);
}
}
}