Wave/Wave/Components/Pages/ArticleView.razor

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@page "/article/{id:guid}"
@page "/{year:int:min(1)}/{month:int:range(1,12)}/{day:int:range(1,31)}/{titleEncoded}"
@using Microsoft.EntityFrameworkCore
@using Wave.Data
@using System.Security.Claims
@using System.Globalization
@using System.Net
@using Microsoft.AspNetCore.Identity
@using Microsoft.Extensions.Options
@using Wave.Services
@using Wave.Utilities
@inject ILogger<ArticleView> Logger
@inject IDbContextFactory<ApplicationDbContext> ContextFactory
@inject NavigationManager Navigation
@inject IOptions<Customization> Customizations
@inject IOptions<Features> Features
@inject IStringLocalizer<ArticleView> Localizer
@inject IMessageDisplay Message
@inject UserManager<ApplicationUser> UserManager
@inject EmailFactory Email
@inject IEmailService EmailService
<PageTitle>@((Article?.Title ?? Localizer["NotFound_Title"]) + TitlePostfix)</PageTitle>
@if (Article is not null) {
<HeadContent>
<meta name="author" content="@Article.Author.Name">
<meta name="description" content="@string.Format(Localizer["Meta_Description"], Customizations.Value.AppName, Article.BodyPlain[..Math.Min(80, Article.BodyPlain.Length)] + "... ")">
<!-- Open Graph -->
<meta property="og:title" content="@Article.Title">
<meta property="og:description" content="@string.Format(Localizer["Meta_Description"], Customizations.Value.AppName, Article.BodyPlain[..Math.Min(80, Article.BodyPlain.Length)] + "... ")">
<meta property="og:url" content="@Navigation.ToAbsoluteUri("/article/" + Article.Id)">
<meta property="og:image" content="@Navigation.ToAbsoluteUri("/api/user/pfp/" + Article.Author.Id)">
<meta property="og:type" content="article">
<meta property="og:article:author" content="@Article.Author.Name">
<meta property="og:article:published_time" content="@Article.PublishDate.ToString("u")">
@if (Article.LastModified.HasValue) {
<meta property="og:article:modified_time" content="@Article.LastModified.Value.ToString("u")">
}
<meta property="og:site_name" content="@Customizations.Value.AppName">
@if (Features.Value.Rss) {
<link rel="alternate" type="application/rss+xml" title="RSS Feed on @Customizations.Value.AppName" href="/rss/rss.xml">
<link rel="alternate" type="application/atom+xml" title="Atom RSS Feed on @Customizations.Value.AppName" href="/rss/atom.xml">
}
@if (Article is not null) {
<link rel="canonical" href="@ArticleUtilities.GenerateArticleLink(Article, new Uri(Navigation.BaseUri))" />
}
</HeadContent>
}
<ErrorBoundary>
<ChildContent>
@if (GetArticle(HttpContext.User) is {} article) {
<ArticleComponent Article="@article">
<AdditionalContent>
@if (Recommendations.Count > 0) {
<h2 class="text-3xl my-6">@Localizer["Recommendations_Title"]</h2>
<ArticleCardList Articles="Recommendations" />
}
</AdditionalContent>
</ArticleComponent>
<div class="flex gap-2 mt-3 flex-wrap">
@if (article.AllowedToEdit(HttpContext.User)) {
<a class="btn btn-info w-full sm:btn-wide" href="article/@Article!.Id/edit"
data-enhance-nav="false">@Localizer["Edit"]</a>
}
@if (article.AllowedToDelete(HttpContext.User)) {
<a class="btn btn-error w-full sm:btn-wide" href="/article/@article.Id/delete">
@Localizer["Delete_Submit"]
</a>
}
@if (article.AllowedToSubmitForReview(HttpContext.User)) {
<form @formname="submit-for-review" method="post" @onsubmit="SubmitForReview" class="max-sm:w-full">
<AntiforgeryToken/>
@if (Reviewers.Count > 1) {
<div class="join join-vertical md:join-horizontal w-full">
<button type="submit" class="btn btn-primary flex-1 sm:btn-wide join-item">
@Localizer["Review_Submit"]
</button>
<InputSelect @bind-Value="ReviewerId" class="select select-bordered select-primary join-item">
<option value="" selected>@Localizer["Review_Reviewer_Any"]</option>
@foreach (var reviewer in Reviewers) {
if (reviewer.FullName is null) continue;
<option value="@reviewer.Id">
@reviewer.Name
</option>
}
</InputSelect>
</div>
} else {
<button type="submit" class="btn btn-primary w-full sm:btn-wide">
@Localizer["Review_Submit"]
</button>
}
</form>
}
@if (article.AllowedToPublish(HttpContext.User)) {
<form @formname="submit-for-publish" method="post" @onsubmit="SubmitForPublish" class="max-sm:w-full">
<AntiforgeryToken/>
<button type="submit" class="btn btn-primary w-full sm:btn-wide">@Localizer["Publish_Submit"]</button>
@if (Features.Value.EmailSubscriptions && HttpContext.User.IsInRole("Admin")) {
<div class="form-control">
<label class="label cursor-pointer">
<span class="label-text">@Localizer["Publish_Silent_Label"]</span>
<InputCheckbox @bind-Value="PublishSilently" class="checkbox"/>
</label>
</div>
}
</form>
}
</div>
}
</ChildContent>
<ErrorContent>
<h1 class="text-3xl lg:text-5xl font-light mb-6 text-primary">@Localizer["NotFound_Title"]</h1>
<p class="my-3">@Localizer["NotFound_Description"]</p>
<a class="btn btn-primary" href="/">@Localizer["NotFound_BackToHome_Label"]</a>
@if (Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT")?.ToLower() == "development") {
<p class="mt-3">[DEBUG] EXCEPTION MESSAGE: @context.Message</p>
}
</ErrorContent>
</ErrorBoundary>
@code {
[CascadingParameter(Name = "TitlePostfix")]
private string TitlePostfix { get; set; } = default!;
#region Route Parameters
[Parameter]
public Guid? Id { get; set; }
[Parameter]
public int? Year { get; set; }
[Parameter]
public int? Month { get; set; }
[Parameter]
public int? Day { get; set; }
[Parameter]
public string? TitleEncoded { get; set; }
private DateTimeOffset? Date =>
Year is {} y && Month is {} m && Day is {} d
? new DateTimeOffset(new DateTime(y, m, d)) :
null;
private string? Title => TitleEncoded is null ? null : Uri.UnescapeDataString(TitleEncoded.Replace("-", "%20").Replace("+", "-"));
#endregion
private Article? Article { get; set; }
[Parameter, SupplyParameterFromForm(FormName = "submit-for-publish")]
public bool PublishSilently { get; set; }
[Parameter, SupplyParameterFromForm(FormName = "submit-for-review")]
public string ReviewerId { get; set; } = string.Empty;
[CascadingParameter]
public HttpContext HttpContext { get; set; } = default!;
private List<ApplicationUser> Reviewers { get; } = [];
private List<Article> Recommendations { get; } = [];
private Article GetArticle(ClaimsPrincipal principal) {
if (Article.AllowedToRead(principal)) return Article!;
throw new ApplicationException("Article not found or missing permissions.");
}
protected override void OnInitialized() {
using var context = ContextFactory.CreateDbContext();
var query = context.Set<Article>()
.IgnoreQueryFilters().Where(a => !a.IsDeleted)
.Include(a => a.Author)
.Include(a => a.Reviewer)
.Include(a => a.Categories);
// We need blocking calls here, bc otherwise Blazor will execute Render in parallel,
// running into a null pointer on the Article property and panicking
if (Id is not null) {
Article = query.AsSingleQuery().FirstOrDefault(a => a.Id == Id);
} else if (Date is { } date && Title is { } title) {
string? slug = TitleEncoded == null ? null : Uri.EscapeDataString(TitleEncoded);
Article = query.AsSingleQuery().FirstOrDefault(a =>
a.PublishDate.Date == date.Date
&& (slug != null && a.Slug == slug || a.Title.ToLower() == title));
}
if (Article is null) {
HttpContext.Response.StatusCode = (int)HttpStatusCode.NotFound;
}
}
protected override async Task OnInitializedAsync() {
if (Article is null) return;
if (Article.Status != ArticleStatus.Published) {
Reviewers.AddRange([
.. await UserManager.GetUsersInRoleAsync("Reviewer"),
.. await UserManager.GetUsersInRoleAsync("Admin")
]);
} else {
var primaryCategories = Article.Categories.Where(c => c.Color == CategoryColors.Primary).ToArray();
await using var context = await ContextFactory.CreateDbContextAsync();
const int featuredArticleCount = 3;
// See if we can find 3 articles with the same primary category
if (primaryCategories.Length > 0) {
foreach (var category in primaryCategories) {
Recommendations.AddRange(await context.Set<Article>()
.Include(a => a.Author)
.Include(a => a.Categories)
.OrderByDescending(a => a.PublishDate).ThenBy(a => a.Id)
.Where(a => a.Categories.Contains(category) && a.Id != Article.Id)
.Take(featuredArticleCount - Recommendations.Count)
.ToListAsync());
if (Recommendations.Count >= featuredArticleCount) break;
}
}
// Fill up with the newest articles of possible
if (Recommendations.Count < featuredArticleCount) {
Recommendations.AddRange(await context.Set<Article>()
.Include(a => a.Author)
.Include(a => a.Categories)
.OrderByDescending(a => a.PublishDate).ThenBy(a => a.Id)
.Where(a => a.Id != Article.Id)
.Take(featuredArticleCount - Recommendations.Count).ToListAsync());
}
Recommendations.Sort((a1, a2) => a2.PublishDate.CompareTo(a1.PublishDate));
}
}
private async Task SubmitForReview() {
if (Article.AllowedToSubmitForReview(HttpContext.User) is false) return;
await using var context = await ContextFactory.CreateDbContextAsync();
Article!.Status = ArticleStatus.InReview;
if (!string.IsNullOrWhiteSpace(ReviewerId)) {
Article.Reviewer = Reviewers.First(r => r.Id == ReviewerId);
}
context.Update(Article);
await context.SaveChangesAsync();
Message.ShowSuccess(Localizer["Submit_Review_Success"]);
try {
if (Reviewers.Count > 0) {
await EmailService.ConnectAsync(CancellationToken.None);
if (!string.IsNullOrWhiteSpace(ReviewerId) && Article.Reviewer is not null) {
if (Article.Reviewer.Id != HttpContext.User.FindFirst("Id")!.Value) {
var email = await Email.CreateDefaultEmail(
Article.Reviewer.Email!,
Article.Reviewer.Name,
"Article submitted for Review",
"Article submitted for Review",
$"<p>The Article '{Article.Title}' by {Article.Author.Name} has been submitted for review.</p>",
$"The Article '{Article.Title}' by {Article.Author.Name} has been submitted for review.");
// TODO check if they enabled email notifications (property currently not implemented)
await EmailService.SendEmailAsync(email);
}
} else {
foreach (var reviewer in Reviewers) {
if (reviewer.Id == HttpContext.User.FindFirst("Id")!.Value) continue;
var email = await Email.CreateDefaultEmail(
reviewer.Email!,
reviewer.Name,
"Article submitted for Review",
"Article submitted for Review",
$"<p>The Article '{Article.Title}' by {Article.Author.Name} has been submitted for review.</p>",
$"The Article '{Article.Title}' by {Article.Author.Name} has been submitted for review.");
// TODO check if they enabled email notifications (property currently not implemented)
await EmailService.SendEmailAsync(email);
}
}
await EmailService.DisconnectAsync(CancellationToken.None);
}
} catch (Exception ex) {
Logger.LogError(ex, "Failed to send mail to reviewers about article '{title}'.", Article.Title);
}
Navigation.NavigateTo("/");
}
private async Task SubmitForPublish() {
if (Article.AllowedToPublish(HttpContext.User) is false) return;
await using var context = await ContextFactory.CreateDbContextAsync();
Article!.Status = ArticleStatus.Published;
string userId = HttpContext.User.FindFirst("Id")!.Value;
if (Article.Author.Id != userId) {
Article.Reviewer = await context.Users.FindAsync(userId);
}
context.Update(Article);
await context.SaveChangesAsync();
if (Features.Value.EmailSubscriptions) {
try {
var newsletter = new EmailNewsletter {
Article = Article,
DistributionDateTime = Article.PublishDate,
IsSend = PublishSilently
};
await context.Set<EmailNewsletter>().AddAsync(newsletter);
await context.SaveChangesAsync();
} catch (Exception ex) {
Logger.LogError(ex, "Failed to schedule article {name} for E-Mail distribution.", Article.Title);
}
}
try {
var author = Article.Author;
if (author.Id != HttpContext.User.FindFirst("Id")!.Value) {
await EmailService.ConnectAsync(CancellationToken.None);
string publishMessage =
(Article.PublishDate < DateTimeOffset.Now) ?
"Is is now publicly available." :
$"It is currently scheduled for {Article.PublishDate.ToString("f", CultureInfo.GetCultureInfo("en-US"))}.";
var email = await Email.CreateDefaultEmail(
author.Email!,
author.Name,
"Article has been approved",
"Your Article is going to be published",
$"<p>The Article '{Article.Title}' has been checked and approved by a reviewer.</p>" +
$"<p>{publishMessage}</p>",
$"The Article '{Article.Title}' has been checked and approved by a reviewer. " +
publishMessage);
// TODO check if they enabled email notifications (property currently not implemented)
await EmailService.SendEmailAsync(email);
await EmailService.DisconnectAsync(CancellationToken.None);
}
} catch (Exception ex) {
Logger.LogError(ex, "Failed to send mail to author about article '{title}' being published.", Article.Title);
}
Navigation.NavigateTo("/");
}
}