winter-software/Wave
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Changed Home Page to SSR (fixes #1)

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This commit is contained in:
Mia Rose Winter 2024-02-21 22:51:11 +01:00
parent 16fde0644c
commit 587b073b20
Signed by: miawinter
GPG key ID: 4B6F6A83178F595E
2 changed files with 87 additions and 76 deletions
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24
Wave/Components/PageComponent.razor Normal file
View file

@ -0,0 +1,24 @@
@typeparam T
@foreach (var item in Items) {
@ChildContent(item)
}
@code {
[SupplyParameterFromQuery]
public int Page { get; set; } = 0;
[Parameter]
public required RenderFragment<T> ChildContent { get; set; }
[Parameter]
public required Func<int, int, ValueTask<IEnumerable<T>>> LoadCallback { get; set; }
[Parameter]
public int ItemsPerPage { get; set; } = 10;
private List<T> Items { get; } = [];
protected override async Task OnInitializedAsync() {
foreach (var i in await LoadCallback(Page * ItemsPerPage, ItemsPerPage)) Items.Add(i);
}
}

81
Wave/Components/Pages/Home.razor
View file

@ -4,13 +4,12 @@
@using Wave.Data
@using Wave.Utilities
@rendermode InteractiveServer
@attribute [StreamRendering]
@inject IOptions<Customization> Customizations
@inject IOptions<Features> Features
@inject NavigationManager Navigation
@inject IDbContextFactory<ApplicationDbContext> ContextFactory;
@inject IStringLocalizer<Home> Localizer
@inject IMessageDisplay Message
<HeadContent>
<meta property="og:type" content="website">
@ -62,14 +61,7 @@
}
</section>
<!-- TODO: somehow get status message -->
@if (Busy) {
<div class="flex place-content-center h-full text-primary">
<span class="loading loading-spinner loading-lg"></span>
</div>
} else {
@if (Articles.FirstOrDefault() is {} featured) {
@if (Featured is {} featured) {
<article class="mb-6">
<ArticleLink Article="featured">
<div class="hero bg-secondary text-secondary-content border-l-8 border-current shadow rounded-box">
@ -97,65 +89,60 @@
</div>
</ArticleLink>
</article>
} else {
} else {
<h2 class="text-2xl lg:text-4xl mb-6">@Localizer["NoArticles_Title"]</h2>
<p>@Localizer["NoArticles_Message"]</p>
}
<ArticleTileArray>
@foreach (var article in Articles.Skip(1)) {
<ArticleTile Article="article" />
}
</ArticleTileArray>
}
@if (HasMore) {
<div class="flex place-content-center">
<button class="btn btn-wide" @onclick="More">@Localizer["More"]</button>
<ArticleTileArray>
<PageComponent LoadCallback="LoadArticles">
<ArticleTile Article="context" />
</PageComponent>
</ArticleTileArray>
<div class="grid place-content-center my-3">
<div class="join">
<a class="join-item btn" href="/?page=@(Page-1)" disabled="@(Page < 1)">«</a>
<button class="join-item btn">Page @(Page+1)</button>
<a class="join-item btn" href="/?page=@(Page+1)" disabled="@(Page >= TotalPages-1)">»</a>
</div>
}
</div>
@code {
[CascadingParameter(Name = "TitlePrefix")]
private string TitlePrefix { get; set; } = default!;
[SupplyParameterFromQuery]
public int Page { get; set; } = 0;
private List<Article> Articles { get; } = [];
private bool HasMore { get; set; }
private bool Busy { get; set; } = true;
private int TotalPages { get; set; } = 1;
protected override async Task OnAfterRenderAsync(bool firstRender) {
if (firstRender) {
private Article? Featured { get; set; }
protected override async Task OnInitializedAsync() {
try {
await using var context = await ContextFactory.CreateDbContextAsync();
var query = context.Set<Article>()
.Include(a => a.Author).Include(a => a.Categories)
.OrderByDescending(a => a.PublishDate);
var articles = await query.Take(11).ToListAsync();
HasMore = (await query.CountAsync()) > 11;
Articles.AddRange(articles);
} finally {
Busy = false;
await InvokeAsync(StateHasChanged);
}
.OrderByDescending(a => a.PublishDate).ThenBy(a => a.Id);
Featured = await query.FirstOrDefaultAsync();
TotalPages = (int) Math.Ceiling((await query.CountAsync() - 1) / 10.0);
} catch {
Message.ShowError(Localizer["Articles_Load_Error"]);
}
}
private async Task More() {
private async ValueTask<IEnumerable<Article>> LoadArticles(int page, int count) {
try {
Busy = HasMore = true;
await using var context = await ContextFactory.CreateDbContextAsync();
var query = context.Set<Article>()
return await context.Set<Article>()
.Include(a => a.Author).Include(a => a.Categories)
.OrderByDescending(a => a.PublishDate)
.Skip(Articles.Count);
var articles = await query.Take(10).ToListAsync();
Articles.AddRange(articles);
HasMore = (await query.CountAsync()) > 10;
} finally {
Busy = false;
.OrderByDescending(a => a.PublishDate).ThenBy(a => a.Id)
.Skip(page + 1).Take(count).ToListAsync();
} catch {
Message.ShowError(Localizer["Articles_Load_Error"]);
return [];
}
}
}