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113 lines
4.2 KiB
C#
113 lines
4.2 KiB
C#
// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.Extensions.Logging;
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using osu.Framework.Logging;
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using osu.Game.Beatmaps;
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using osu.Game.Input.Bindings;
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using osu.Game.IO;
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using osu.Game.Rulesets;
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using LogLevel = Microsoft.Extensions.Logging.LogLevel;
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namespace osu.Game.Database
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{
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public class OsuDbContext : DbContext
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{
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public DbSet<BeatmapInfo> BeatmapInfo { get; set; }
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public DbSet<BeatmapSetInfo> BeatmapSetInfo { get; set; }
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public DbSet<DatabasedKeyBinding> DatabasedKeyBinding { get; set; }
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public DbSet<FileInfo> FileInfo { get; set; }
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public DbSet<RulesetInfo> RulesetInfo { get; set; }
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private readonly string connectionString;
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static OsuDbContext()
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{
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// required to initialise native SQLite libraries on some platforms.
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SQLitePCL.Batteries_V2.Init();
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}
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/// <summary>
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/// Create a new OsuDbContext instance.
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/// </summary>
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/// <param name="connectionString">A valid SQLite connection string. If not provided, an in-memory instance will be created.</param>
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public OsuDbContext(string connectionString = "DataSource=:memory:")
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{
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this.connectionString = connectionString;
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Database.SetCommandTimeout(new TimeSpan(TimeSpan.TicksPerSecond * 10));
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var connection = Database.GetDbConnection();
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connection.Open();
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using (var cmd = connection.CreateCommand())
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{
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cmd.CommandText = "PRAGMA journal_mode=WAL;";
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cmd.ExecuteNonQuery();
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}
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}
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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base.OnConfiguring(optionsBuilder);
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optionsBuilder.UseSqlite(connectionString);
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optionsBuilder.UseLoggerFactory(new OsuDbLoggerFactory());
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}
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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base.OnModelCreating(modelBuilder);
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modelBuilder.Entity<BeatmapInfo>().HasIndex(b => b.MD5Hash);
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modelBuilder.Entity<BeatmapSetInfo>().HasIndex(b => b.DeletePending);
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modelBuilder.Entity<DatabasedKeyBinding>().HasIndex(b => b.Variant);
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modelBuilder.Entity<DatabasedKeyBinding>().HasIndex(b => b.IntAction);
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modelBuilder.Entity<FileInfo>().HasIndex(b => b.Hash).IsUnique();
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modelBuilder.Entity<FileInfo>().HasIndex(b => b.ReferenceCount);
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modelBuilder.Entity<RulesetInfo>().HasIndex(b => b.Name).IsUnique();
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modelBuilder.Entity<RulesetInfo>().HasIndex(b => b.InstantiationInfo).IsUnique();
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modelBuilder.Entity<RulesetInfo>().HasIndex(b => b.Available);
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}
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private class OsuDbLoggerFactory : ILoggerFactory
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{
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#region Disposal
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public void Dispose()
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{
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}
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#endregion
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public ILogger CreateLogger(string categoryName) => new OsuDbLogger();
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public void AddProvider(ILoggerProvider provider)
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{
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throw new NotImplementedException();
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}
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private class OsuDbLoggerProvider : ILoggerProvider
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{
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#region Disposal
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public void Dispose()
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{
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}
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#endregion
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public ILogger CreateLogger(string categoryName) => new OsuDbLogger();
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}
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private class OsuDbLogger : ILogger
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{
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public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
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=> Logger.Log(formatter(state, exception), LoggingTarget.Database, Framework.Logging.LogLevel.Debug);
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public bool IsEnabled(LogLevel logLevel) => true;
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public IDisposable BeginScope<TState>(TState state) => null;
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}
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}
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}
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}
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