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osu-lazer/osu.Game/Database/RealmObjectExtensions.cs
2021-10-11 15:36:41 +09:00

65 lines
2.2 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using System.Linq;
using AutoMapper;
using osu.Game.Input.Bindings;
using Realms;
namespace osu.Game.Database
{
public static class RealmObjectExtensions
{
private static readonly IMapper mapper = new MapperConfiguration(c =>
{
c.ShouldMapField = fi => false;
c.ShouldMapProperty = pi => pi.SetMethod != null && pi.SetMethod.IsPublic;
c.CreateMap<RealmKeyBinding, RealmKeyBinding>();
}).CreateMapper();
/// <summary>
/// Create a detached copy of the each item in the collection.
/// </summary>
/// <param name="items">A list of managed <see cref="RealmObject"/>s to detach.</param>
/// <typeparam name="T">The type of object.</typeparam>
/// <returns>A list containing non-managed copies of provided items.</returns>
public static List<T> Detach<T>(this IEnumerable<T> items) where T : RealmObject
{
var list = new List<T>();
foreach (var obj in items)
list.Add(obj.Detach());
return list;
}
/// <summary>
/// Create a detached copy of the item.
/// </summary>
/// <param name="item">The managed <see cref="RealmObject"/> to detach.</param>
/// <typeparam name="T">The type of object.</typeparam>
/// <returns>A non-managed copy of provided item. Will return the provided item if already detached.</returns>
public static T Detach<T>(this T item) where T : RealmObject
{
if (!item.IsManaged)
return item;
return mapper.Map<T>(item);
}
public static List<RealmLive<T>> ToLive<T>(this IEnumerable<T> realmList)
where T : RealmObject, IHasGuidPrimaryKey
{
return realmList.Select(l => new RealmLive<T>(l)).ToList();
}
public static RealmLive<T> ToLive<T>(this T realmObject)
where T : RealmObject, IHasGuidPrimaryKey
{
return new RealmLive<T>(realmObject);
}
}
}