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Code Issues Releases Wiki Activity

Merge pull request #12925 from EVAST9919/news-request

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Move GetNewsRequest from ArticleListing to NewsOverlay
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Dean Herbert 2021-05-26 23:26:59 +09:00 committed by GitHub
commit fffa355097
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2 changed files with 76 additions and 78 deletions
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64
osu.Game/Overlays/News/Displays/ArticleListing.cs
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@ -2,14 +2,13 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Game.Online.API.Requests.Responses;
using osuTK;
@ -20,26 +19,16 @@ namespace osu.Game.Overlays.News.Displays
/// </summary>
public class ArticleListing : CompositeDrawable
{
public Action<APINewsSidebar> SidebarMetadataUpdated;
[Resolved]
private IAPIProvider api { get; set; }
private readonly Action fetchMorePosts;
private FillFlowContainer content;
private ShowMoreButton showMore;
private GetNewsRequest request;
private Cursor lastCursor;
private CancellationTokenSource cancellationToken;
private readonly int? year;
/// <summary>
/// Instantiate a listing for the specified year.
/// </summary>
/// <param name="year">The year to load articles from. If null, will show the most recent articles.</param>
public ArticleListing(int? year = null)
public ArticleListing(Action fetchMorePosts)
{
this.year = year;
this.fetchMorePosts = fetchMorePosts;
}
[BackgroundDependencyLoader]
@ -47,6 +36,7 @@ namespace osu.Game.Overlays.News.Displays
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
Padding = new MarginPadding
{
Vertical = 20,
@ -75,53 +65,25 @@ namespace osu.Game.Overlays.News.Displays
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
Margin = new MarginPadding
{
Top = 15
},
Action = performFetch,
Margin = new MarginPadding { Top = 15 },
Action = fetchMorePosts,
Alpha = 0
}
}
};
performFetch();
}
private void performFetch()
{
request?.Cancel();
request = new GetNewsRequest(year, lastCursor);
request.Success += response => Schedule(() => onSuccess(response));
api.PerformAsync(request);
}
private CancellationTokenSource cancellationToken;
private void onSuccess(GetNewsResponse response)
{
cancellationToken?.Cancel();
// only needs to be updated on the initial load, as the content won't change during pagination.
if (lastCursor == null)
SidebarMetadataUpdated?.Invoke(response.SidebarMetadata);
// store cursor for next pagination request.
lastCursor = response.Cursor;
LoadComponentsAsync(response.NewsPosts.Select(p => new NewsCard(p)).ToList(), loaded =>
public void AddPosts(IEnumerable<APINewsPost> posts, bool morePostsAvailable) => Schedule(() =>
LoadComponentsAsync(posts.Select(p => new NewsCard(p)).ToList(), loaded =>
{
content.AddRange(loaded);
showMore.IsLoading = false;
showMore.Alpha = response.Cursor != null ? 1 : 0;
}, (cancellationToken = new CancellationTokenSource()).Token);
}
showMore.Alpha = morePostsAvailable ? 1 : 0;
}, (cancellationToken = new CancellationTokenSource()).Token)
);
protected override void Dispose(bool isDisposing)
{
request?.Cancel();
cancellationToken?.Cancel();
base.Dispose(isDisposing);
}

90
osu.Game/Overlays/NewsOverlay.cs
View File

@ -6,6 +6,7 @@ using System.Threading;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Online.API.Requests;
using osu.Game.Overlays.News;
using osu.Game.Overlays.News.Displays;
using osu.Game.Overlays.News.Sidebar;
@ -14,13 +15,21 @@ namespace osu.Game.Overlays
{
public class NewsOverlay : OnlineOverlay<NewsHeader>
{
private readonly Bindable<string> article = new Bindable<string>(null);
private readonly Bindable<string> article = new Bindable<string>();
private readonly Container sidebarContainer;
private readonly NewsSidebar sidebar;
private readonly Container content;
private GetNewsRequest request;
private Cursor lastCursor;
/// <summary>
/// The year currently being displayed. If null, the main listing is being displayed.
/// </summary>
private int? displayedYear;
private CancellationTokenSource cancellationToken;
private bool displayUpdateRequired = true;
@ -65,7 +74,13 @@ namespace osu.Game.Overlays
base.LoadComplete();
// should not be run until first pop-in to avoid requesting data before user views.
article.BindValueChanged(onArticleChanged);
article.BindValueChanged(a =>
{
if (a.NewValue == null)
loadListing();
else
loadArticle(a.NewValue);
});
}
protected override NewsHeader CreateHeader() => new NewsHeader { ShowFrontPage = ShowFrontPage };
@ -95,7 +110,7 @@ namespace osu.Game.Overlays
public void ShowYear(int year)
{
loadFrontPage(year);
loadListing(year);
Show();
}
@ -108,7 +123,11 @@ namespace osu.Game.Overlays
protected void LoadDisplay(Drawable display)
{
ScrollFlow.ScrollToStart();
LoadComponentAsync(display, loaded => content.Child = loaded, (cancellationToken = new CancellationTokenSource()).Token);
LoadComponentAsync(display, loaded =>
{
content.Child = loaded;
Loading.Hide();
}, (cancellationToken = new CancellationTokenSource()).Token);
}
protected override void UpdateAfterChildren()
@ -118,48 +137,65 @@ namespace osu.Game.Overlays
sidebarContainer.Y = Math.Clamp(ScrollFlow.Current - Header.DrawHeight, 0, Math.Max(ScrollFlow.ScrollContent.DrawHeight - DrawHeight - Header.DrawHeight, 0));
}
private void onArticleChanged(ValueChangedEvent<string> article)
private void loadListing(int? year = null)
{
if (article.NewValue == null)
loadFrontPage();
else
loadArticle(article.NewValue);
}
private void loadFrontPage(int? year = null)
{
beginLoading();
Header.SetFrontPage();
var page = new ArticleListing(year);
page.SidebarMetadataUpdated += metadata => Schedule(() =>
displayedYear = year;
lastCursor = null;
beginLoading(true);
request = new GetNewsRequest(displayedYear);
request.Success += response => Schedule(() =>
{
sidebar.Metadata.Value = metadata;
Loading.Hide();
lastCursor = response.Cursor;
sidebar.Metadata.Value = response.SidebarMetadata;
var listing = new ArticleListing(getMorePosts);
listing.AddPosts(response.NewsPosts, response.Cursor != null);
LoadDisplay(listing);
});
LoadDisplay(page);
API.PerformAsync(request);
}
private void getMorePosts()
{
beginLoading(false);
request = new GetNewsRequest(displayedYear, lastCursor);
request.Success += response => Schedule(() =>
{
lastCursor = response.Cursor;
if (content.Child is ArticleListing listing)
listing.AddPosts(response.NewsPosts, response.Cursor != null);
});
API.PerformAsync(request);
}
private void loadArticle(string article)
{
beginLoading();
// This is not yet implemented nor called from anywhere.
beginLoading(true);
Header.SetArticle(article);
// Temporary, should be handled by ArticleDisplay later
LoadDisplay(Empty());
Loading.Hide();
}
private void beginLoading()
private void beginLoading(bool showLoadingOverlay)
{
request?.Cancel();
cancellationToken?.Cancel();
Loading.Show();
if (showLoadingOverlay)
Loading.Show();
}
protected override void Dispose(bool isDisposing)
{
request?.Cancel();
cancellationToken?.Cancel();
base.Dispose(isDisposing);
}