Implemented simple ArticleEditor

This commit is contained in:
Mia Rose Winter 2024-01-15 23:55:36 +01:00
parent e246ad76d2
commit db1250213f
Signed by: miawinter
GPG key ID: 4B6F6A83178F595E
5 changed files with 190 additions and 2 deletions

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@ -69,6 +69,11 @@
<NavLink ActiveClass="tab-active" class="tab" href="" Match="NavLinkMatch.All">Home</NavLink> <NavLink ActiveClass="tab-active" class="tab" href="" Match="NavLinkMatch.All">Home</NavLink>
<NavLink ActiveClass="tab-active" class="tab" href="weather">Weather</NavLink> <NavLink ActiveClass="tab-active" class="tab" href="weather">Weather</NavLink>
<NavLink ActiveClass="tab-active" class="tab" href="auth">Auth Required</NavLink> <NavLink ActiveClass="tab-active" class="tab" href="auth">Auth Required</NavLink>
<AuthorizeView>
<Authorized>
<NavLink ActiveClass="tab-active" class="tab" href="article/new">New Article</NavLink>
</Authorized>
</AuthorizeView>
</nav> </nav>
</div> </div>
</header> </header>

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@ -0,0 +1,176 @@
@page "/article/new"
@page "/article/{id:guid}/edit"
@using Wave.Data
@using Microsoft.EntityFrameworkCore
@using System.ComponentModel.DataAnnotations
@using Markdig
@using Microsoft.AspNetCore.Authorization
@using Microsoft.AspNetCore.Identity
@attribute [Authorize]
@inject IDbContextFactory<ApplicationDbContext> ContextFactory;
@inject NavigationManager Navigation
@inject UserManager<ApplicationUser> UserManager
@inject IStringLocalizer<ArticleEditor> Localizer
@if (Article is not null) {
<PageTitle>@Localizer["PageTitle_Edit"] - @Article.Title</PageTitle>
} else {
<PageTitle>@Localizer["PageTitle_New"]</PageTitle>
}
<h1 class="text-3xl lg:text-5xl font-light mb-6">@Localizer["EditorTitle"]</h1>
<EditForm method="post" FormName="article-editor" Model="@Model" OnValidSubmit="OnValidSubmit">
<DataAnnotationsValidator />
<input type="hidden" @bind-value="@Model.Id"/>
<label class="form-control w-full">
<div class="label">
<span class="label-text">@Localizer["Title_Label"]</span>
</div>
<InputText class="input input-bordered w-full" maxlength="256" aria-required
@bind-Value="@Model.Title" placeholder="@Localizer["Title_Placeholder"]" />
<div class="label">
<span class="label-text-alt text-error">
<ValidationMessage For="() => Model.Title" />
</span>
</div>
</label>
<label class="form-control w-full">
<div class="label">
<span class="label-text">@Localizer["PublishDate_Label"]</span>
</div>
<InputDate class="input input-bordered w-full" aria-required
@bind-Value="@Model.PublishDate" placeholder="@Localizer["PublishDate_Placeholder"]" />
<div class="label">
<span class="label-text-alt text-error">
<ValidationMessage For="() => Model.PublishDate" />
</span>
</div>
</label>
<label class="form-control w-full">
<div class="label">
<span class="label-text">@Localizer["Body_Label"]</span>
</div>
<InputTextArea class="textarea textarea-bordered w-full" rows="10" aria-required
@bind-Value="@Model.Body" placeholder="@Localizer["Body_Placeholder"]" />
<div class="label">
<span class="label-text-alt text-error">
<ValidationMessage For="() => Model.Body" />
</span>
</div>
</label>
<button type="submit" class="btn btn-primary btn-wide">@Localizer["EditorSubmit"]</button>
</EditForm>
@if (Article is not null) {
<section>
<h2 class="text-2xl lg:text-4xl my-3">Preview</h2>
<div class="card bg-base-200">
<div class="card-body">
<h3 class="card-title">@Article.Title</h3>
<div class="prose prose-neutral max-w-none">
@Content
</div>
</div>
</div>
</section>
}
@code {
[Parameter]
public Guid? Id { get; set; }
[SupplyParameterFromForm]
private InputModel Model { get; set; } = null!;
[CascadingParameter]
private Task<AuthenticationState>? AuthenticationState { get; set; }
private Article? Article { get; set; }
private MarkupString? Content => Article is null ? null : new MarkupString(Article.BodyHtml);
protected override async Task OnInitializedAsync() {
if (Id is not null) {
// We need blocking calls here, bc otherwise Blazor will execute Render in parallel,
// running into a null pointer on the Article property and panicking
// ReSharper disable once MethodHasAsyncOverload
await using var context = ContextFactory.CreateDbContext();
// ReSharper disable once MethodHasAsyncOverload
var now = DateTimeOffset.UtcNow;
Article = context.Set<Article>()
.Include(a => a.Author)
.Include(a => a.Reviewer)
.First(a => a.Id == Id);
if (Article is null) throw new ApplicationException("Article not found.");
}
// ReSharper disable once NullCoalescingConditionIsAlwaysNotNullAccordingToAPIContract
Model ??= new InputModel();
Model.Id ??= Article?.Id;
Model.Title ??= Article?.Title;
Model.Body ??= Article?.Body;
Model.PublishDate ??= Article?.PublishDate;
}
private async Task OnValidSubmit() {
await using var context = await ContextFactory.CreateDbContextAsync();
if (AuthenticationState is null) throw new ApplicationException("???");
var state = await AuthenticationState;
var user = await UserManager.GetUserAsync(state.User);
if (user is null) throw new ApplicationException("???2");
context.Entry(user).State = EntityState.Unchanged;
Article article;
if (Model.Id is not null) {
article = await context.Set<Article>()
.Include(a => a.Author)
.Include(a => a.Reviewer)
.FirstAsync(a => a.Id == Model.Id);
article.Title = Model.Title!;
article.Body = Model.Body!;
} else {
article = new Article {
Title = Model.Title!,
Body = Model.Body!,
Author = user,
Status = ArticleStatus.Published // TODO remove
};
await context.AddAsync(article);
}
if (Model.PublishDate is not null) article.PublishDate = Model.PublishDate.Value;
if (user.Id != article.Author.Id)
throw new ApplicationException("You do not have permissions to edit this article");
article.LastModified = DateTimeOffset.UtcNow;
var pipeline = new MarkdownPipelineBuilder()
.UsePipeTables()
.UseEmphasisExtras()
.DisableHtml()
.Build();
article.BodyHtml = Markdown.ToHtml(article.Body, pipeline);
await context.SaveChangesAsync();
if (article.Status >= ArticleStatus.Published && article.PublishDate <= DateTimeOffset.UtcNow) {
Navigation.NavigateTo($"/article/{article.Id}");
} else {
Navigation.NavigateTo($"/article/{article.Id}/edit");
}
}
private sealed class InputModel {
public Guid? Id { get; set; }
[Required(AllowEmptyStrings = false), MaxLength(256)]
public string? Title { get; set; }
[Required(AllowEmptyStrings = false)]
public string? Body { get; set; }
public DateTimeOffset? PublishDate { get; set; }
}
}

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@ -10,6 +10,11 @@
<PageTitle>Wave - @Article.Title</PageTitle> <PageTitle>Wave - @Article.Title</PageTitle>
<h1 class="text-3xl lg:text-5xl font-light">@Article.Title</h1> <h1 class="text-3xl lg:text-5xl font-light">@Article.Title</h1>
<AuthorizeView>
<Authorized>
<a class="btn btn-info my-3" href="article/@Article.Id/edit">Edit</a>
</Authorized>
</AuthorizeView>
<p class="mb-6"> <p class="mb-6">
<small class="text-sm text-neutral-content"> <small class="text-sm text-neutral-content">
@Article.PublishDate.Humanize() @Article.PublishDate.Humanize()

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@ -31,8 +31,10 @@ Welcome to your new app.
protected override async Task OnInitializedAsync() { protected override async Task OnInitializedAsync() {
await using var context = await ContextFactory.CreateDbContextAsync(); await using var context = await ContextFactory.CreateDbContextAsync();
var now = DateTimeOffset.UtcNow;
var articles = await context.Set<Article>() var articles = await context.Set<Article>()
.Include(a => a.Author) .Include(a => a.Author)
.Where(a => a.Status >= ArticleStatus.Published && a.PublishDate <= now)
.OrderBy(a => a.PublishDate) .OrderBy(a => a.PublishDate)
.Take(10) .Take(10)
.ToListAsync(); .ToListAsync();

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