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Replace ScoreDownloadTracker event flow with realm subscriptions

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This commit is contained in:
Dean Herbert 2021-12-17 18:58:21 +09:00
parent 00e9f0d41e
commit 8c4836e87d
1 changed files with 27 additions and 31 deletions
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58
osu.Game/Online/ScoreDownloadTracker.cs
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@ -2,7 +2,9 @@
// See the LICENCE file in the repository root for full licence text. // See the LICENCE file in the repository root for full licence text.
using System; using System;
using System.Linq;
using osu.Framework.Allocation; using osu.Framework.Allocation;
using osu.Game.Database;
using osu.Game.Extensions; using osu.Game.Extensions;
using osu.Game.Online.API; using osu.Game.Online.API;
using osu.Game.Scoring; using osu.Game.Scoring;
@ -13,23 +15,26 @@ namespace osu.Game.Online
{ {
public class ScoreDownloadTracker : DownloadTracker<ScoreInfo> public class ScoreDownloadTracker : DownloadTracker<ScoreInfo>
{ {
[Resolved(CanBeNull = true)]
protected ScoreManager? Manager { get; private set; }
[Resolved(CanBeNull = true)] [Resolved(CanBeNull = true)]
protected ScoreModelDownloader? Downloader { get; private set; } protected ScoreModelDownloader? Downloader { get; private set; }
private ArchiveDownloadRequest<IScoreInfo>? attachedRequest; private ArchiveDownloadRequest<IScoreInfo>? attachedRequest;
private IDisposable? realmSubscription;
[Resolved]
private RealmContextFactory realmContextFactory { get; set; } = null!;
public ScoreDownloadTracker(ScoreInfo trackedItem) public ScoreDownloadTracker(ScoreInfo trackedItem)
: base(trackedItem) : base(trackedItem)
{ {
} }
[BackgroundDependencyLoader(true)] protected override void LoadComplete()
private void load()
{ {
if (Manager == null || Downloader == null) base.LoadComplete();
if (Downloader == null)
return; return;
// Used to interact with manager classes that don't support interface types. Will eventually be replaced. // Used to interact with manager classes that don't support interface types. Will eventually be replaced.
@ -39,15 +44,22 @@ namespace osu.Game.Online
OnlineID = TrackedItem.OnlineID OnlineID = TrackedItem.OnlineID
}; };
if (Manager.IsAvailableLocally(scoreInfo))
UpdateState(DownloadState.LocallyAvailable);
else
attachDownload(Downloader.GetExistingDownload(scoreInfo));
Downloader.DownloadBegan += downloadBegan; Downloader.DownloadBegan += downloadBegan;
Downloader.DownloadFailed += downloadFailed; Downloader.DownloadFailed += downloadFailed;
Manager.ItemUpdated += itemUpdated;
Manager.ItemRemoved += itemRemoved; realmSubscription = realmContextFactory.Context.All<ScoreInfo>().Where(s => s.OnlineID == TrackedItem.OnlineID).QueryAsyncWithNotifications((items, changes, ___) =>
{
if (items.Any())
Schedule(() => UpdateState(DownloadState.LocallyAvailable));
else
{
Schedule(() =>
{
UpdateState(DownloadState.NotDownloaded);
attachDownload(Downloader.GetExistingDownload(scoreInfo));
});
}
});
} }
private void downloadBegan(ArchiveDownloadRequest<IScoreInfo> request) => Schedule(() => private void downloadBegan(ArchiveDownloadRequest<IScoreInfo> request) => Schedule(() =>
@ -102,18 +114,6 @@ namespace osu.Game.Online
private void onRequestFailure(Exception e) => Schedule(() => attachDownload(null)); private void onRequestFailure(Exception e) => Schedule(() => attachDownload(null));
private void itemUpdated(ScoreInfo item) => Schedule(() =>
{
if (checkEquality(item, TrackedItem))
UpdateState(DownloadState.LocallyAvailable);
});
private void itemRemoved(ScoreInfo item) => Schedule(() =>
{
if (checkEquality(item, TrackedItem))
UpdateState(DownloadState.NotDownloaded);
});
private bool checkEquality(IScoreInfo x, IScoreInfo y) => x.MatchesOnlineID(y); private bool checkEquality(IScoreInfo x, IScoreInfo y) => x.MatchesOnlineID(y);
#region Disposal #region Disposal
@ -123,17 +123,13 @@ namespace osu.Game.Online
base.Dispose(isDisposing); base.Dispose(isDisposing);
attachDownload(null); attachDownload(null);
realmSubscription?.Dispose();
if (Downloader != null) if (Downloader != null)
{ {
Downloader.DownloadBegan -= downloadBegan; Downloader.DownloadBegan -= downloadBegan;
Downloader.DownloadFailed -= downloadFailed; Downloader.DownloadFailed -= downloadFailed;
} }
if (Manager != null)
{
Manager.ItemUpdated -= itemUpdated;
Manager.ItemRemoved -= itemRemoved;
}
} }
#endregion #endregion