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Improved ArticleEditor Page performance and fixed bugs

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This commit is contained in:
Mia Rose Winter 2024-02-21 14:20:31 +01:00
parent edc0a3f298
commit 06ce7e995c
Signed by: miawinter
GPG key ID: 4B6F6A83178F595E
3 changed files with 365 additions and 332 deletions
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341
Wave/Components/Pages/ArticleEditor.razor
View file

@ -1,25 +1,20 @@
@page "/article/new"
@page "/article/{id:guid}/edit"
@using Wave.Data
@using Microsoft.EntityFrameworkCore
@using System.ComponentModel.DataAnnotations
@using Microsoft.AspNetCore.Identity
@using Wave.Utilities
@rendermode @(new InteractiveServerRenderMode(prerender: false))
@using Wave.Data
@using Microsoft.AspNetCore.Identity
@rendermode InteractiveServer
@attribute [Authorize(Policy = "ArticleEditOrReviewPermissions")]
@inject ILogger<ArticleEditor> Logger
@inject IDbContextFactory<ApplicationDbContext> ContextFactory
@inject NavigationManager Navigation
@inject UserManager<ApplicationUser> UserManager
@inject IStringLocalizer<ArticleEditor> Localizer
@if (Article is not null) {
<PageTitle>@(TitlePrefix + Localizer["PageTitle_Edit"]) | @Article.Title</PageTitle>
} else {
<PageTitle>@(TitlePrefix + Localizer["PageTitle_New"])</PageTitle>
}
@if (Busy) {
<PageTitle>@(TitlePrefix + Localizer["EditorTitle"])</PageTitle>
@if (User is null) {
<h1 class="text-3xl lg:text-5xl font-light mb-6 text-primary">@Localizer["EditorTitle"]</h1>
<div class="flex place-content-center">
<span class="loading loading-spinner loading-lg"></span>
</div>
@ -28,138 +23,7 @@
<ChildContent>
<h1 class="text-3xl lg:text-5xl font-light mb-6 text-primary">@Localizer["EditorTitle"]</h1>
<div class="w-full">
<ul class="steps w-full max-w-xs">
<li class="step @(Article?.Status >= ArticleStatus.Draft ? "step-secondary": "")">@Localizer["Draft"]</li>
<li class="step @(Article?.Status >= ArticleStatus.InReview ? "step-secondary": "")">@Localizer["InReview"]</li>
<li class="step @(Article?.Status >= ArticleStatus.Published ? "step-secondary": "")">@Localizer["Published"]</li>
</ul>
</div>
<EditForm method="post" FormName="article-editor" Model="@Model" OnValidSubmit="OnValidSubmit">
<DataAnnotationsValidator />
<input type="hidden" @bind-value="@Model.Id" />
<InputLabelComponent LabelText="@Localizer["Title_Label"]" For="() => Model.Title">
<InputText class="input input-bordered w-full" maxlength="256" required aria-required
@bind-Value="@Model.Title" placeholder="@Localizer["Title_Placeholder"]" autocomplete="off" />
</InputLabelComponent>
<div class="grid grid-cols-1 lg:grid-cols-2 gap-x-8">
<InputLabelComponent LabelText="@Localizer["PublishDate_Label"]" For="() => Model.PublishDate">
@if (Article?.Status is null or not ArticleStatus.Published || Article.PublishDate >= DateTimeOffset.UtcNow) {
<InputDate class="input input-bordered w-full" Type="InputDateType.DateTimeLocal"
@bind-Value="@Model.PublishDate" placeholder="@Localizer["PublishDate_Placeholder"]" autocomplete="off" />
} else {
<input class="input input-bordered w-full"
type="datetime-local" readonly value="@Article?.PublishDate.ToString("yyyy-MM-dd\\THH:mm:ss")" />
}
</InputLabelComponent>
<InputLabelComponent LabelText="@Localizer["Categories_Label"]" For="() => Model.Categories">
<select class="select select-bordered w-full h-32" @onchange="CategorySelectionChanged" multiple>
@foreach (var category in Categories) {
<option value="@category.Id" selected="@Model.Categories?.Contains(category.Id)">@category.Name</option>
}
</select>
</InputLabelComponent>
</div>
<AdvancedMarkdownEditor Title="@Model.Title" MarkdownCallback="() => Model.Body">
<div class="join join-vertical min-h-96 h-full w-full" aria-role="toolbar">
<Toolbar>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeSelection('# ', true);"
title="@Localizer["Tools_H1_Tooltip"]">
<strong>@Localizer["Tools_H1_Label"]</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('## ', true);"
title="@Localizer["Tools_H2_Tooltip"]">
<strong>@Localizer["Tools_H2_Label"]</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('### ', true);"
title="@Localizer["Tools_H3_Tooltip"]">
<strong>@Localizer["Tools_H3_Label"]</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('#### ', true);"
title="@Localizer["Tools_H4_Tooltip"]">
@Localizer["Tools_H4_Label"]
</ToolbarButton>
</ToolbarSection>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('**');"
title="@Localizer["Tools_Bold_Tooltip"]">
<strong>B</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('*')"
title="@Localizer["Tools_Italic_Tooltip"]">
<em>I</em>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('++')"
title="@Localizer["Tools_Underline_Tooltip"]">
<u>U</u>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('~~')"
title="@Localizer["Tools_StrikeThrough_Tooltip"]">
<del>@Localizer["Tools_StrikeThrough_Label"]</del>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('==')"
title="@Localizer["Tools_Mark_Tooltip"]">
<mark>@Localizer["Tools_Mark_Label"]</mark>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('> ', true)"
title="@Localizer["Tools_Cite_Tooltip"]">
| <em>@Localizer["Tools_Cite_Label"]</em>
</ToolbarButton>
</ToolbarSection>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeSelection('1. ', true)">
1.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('a. ', true)">
a.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('A. ', true)">
A.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('i. ', true)">
i.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('I. ', true)">
I.
</ToolbarButton>
</ToolbarSection>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('`')"
title="@Localizer["Tools_CodeLine_Tooltip"]">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-4 h-4">
<path fill-rule="evenodd" d="M14.447 3.026a.75.75 0 0 1 .527.921l-4.5 16.5a.75.75 0 0 1-1.448-.394l4.5-16.5a.75.75 0 0 1 .921-.527ZM16.72 6.22a.75.75 0 0 1 1.06 0l5.25 5.25a.75.75 0 0 1 0 1.06l-5.25 5.25a.75.75 0 1 1-1.06-1.06L21.44 12l-4.72-4.72a.75.75 0 0 1 0-1.06Zm-9.44 0a.75.75 0 0 1 0 1.06L2.56 12l4.72 4.72a.75.75 0 0 1-1.06 1.06L.97 12.53a.75.75 0 0 1 0-1.06l5.25-5.25a.75.75 0 0 1 1.06 0Z" clip-rule="evenodd" />
</svg>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('\n```\n')"
title="@Localizer["Tools_CodeBlock_Tooltip"]">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-4 h-4">
<path fill-rule="evenodd" d="M3 6a3 3 0 0 1 3-3h12a3 3 0 0 1 3 3v12a3 3 0 0 1-3 3H6a3 3 0 0 1-3-3V6Zm14.25 6a.75.75 0 0 1-.22.53l-2.25 2.25a.75.75 0 1 1-1.06-1.06L15.44 12l-1.72-1.72a.75.75 0 1 1 1.06-1.06l2.25 2.25c.141.14.22.331.22.53Zm-10.28-.53a.75.75 0 0 0 0 1.06l2.25 2.25a.75.75 0 1 0 1.06-1.06L8.56 12l1.72-1.72a.75.75 0 1 0-1.06-1.06l-2.25 2.25Z" clip-rule="evenodd" />
</svg>
</ToolbarButton>
</ToolbarSection>
</Toolbar>
<textarea id="tool-target" class="textarea textarea-bordered outline-none w-full flex-1 join-item"
required aria-required placeholder="@Localizer["Body_Placeholder"]"
@bind="@Model.Body" @bind:event="oninput" autocomplete="off"></textarea>
</div>
</AdvancedMarkdownEditor>
<div class="flex gap-2 flex-wrap mt-3">
<button type="submit" class="btn btn-primary w-full sm:btn-wide">
@Localizer["EditorSubmit"]
</button>
@if (Article is not null) {
<a class="btn w-full sm:btn-wide" href="/article/@(Article.Id)">
@Localizer["ViewArticle_Label"]
</a>
}
</div>
</EditForm>
<CategoryPicker />
<Wave.Components.Pages.Partials.ArticleEditorPartial Id="@Id" User="@User" />
</ChildContent>
<ErrorContent>
<h1 class="text-3xl lg:text-5xl font-light mb-6">Not found</h1>
@ -167,47 +31,6 @@
</ErrorBoundary>
}
<SectionContent SectionName="scripts">
<script>
window.insertBeforeSelection = function(markdown, startOfLine = false) {
const target = document.getElementById("tool-target");
const start = target.selectionStart;
const end = target.selectionEnd;
const value = target.value;
let doStart = start;
if (startOfLine) {
doStart = value.lastIndexOf("\n", start) +1;
}
target.focus();
target.value = value.substring(0, doStart) + markdown + value.substring(doStart);
target.selectionStart = start + markdown.length;
target.selectionEnd = end + markdown.length;
target.focus();
target.dispatchEvent(new Event("input", { bubbles: true }));
}
window.insertBeforeAndAfterSelection = function (markdown) {
const target = document.getElementById("tool-target");
const start = target.selectionStart;
const end = target.selectionEnd;
const value = target.value;
target.focus();
target.value = value.substring(0, start) +
markdown + value.substring(start, end) + markdown +
value.substring(end);
target.selectionStart = start + markdown.length;
target.selectionEnd = end + markdown.length;
target.focus();
target.dispatchEvent(new Event("input", { bubbles: true }));
}
</script>
</SectionContent>
@code {
[CascadingParameter(Name = "TitlePrefix")]
@ -217,154 +40,12 @@
[Parameter]
public Guid? Id { get; set; }
[SupplyParameterFromForm]
private InputModel Model { get; set; } = new();
private List<Category> Categories { get; set; } = new();
private ApplicationUser? User { get; set; }
private Article? Article { get; set; }
private bool Busy { get; set; } = true;
protected override async Task OnInitializedAsync() {
if (AuthenticationState is null) throw new ApplicationException("???");
var state = await AuthenticationState;
var user = await UserManager.GetUserAsync(state.User);
User = user ?? throw new ApplicationException("???2");
await using var context = await ContextFactory.CreateDbContextAsync();
if (Id is not null) {
Article = await context.Set<Article>()
.IgnoreQueryFilters().Where(a => !a.IsDeleted)
.Include(a => a.Author)
.Include(a => a.Reviewer)
.Include(a => a.Categories)
.FirstAsync(a => a.Id == Id);
if (Article is null) throw new ApplicationException("Article not found.");
// Check permissions
if (state.User.IsInRole("Admin")) {
// Admins always have access
} else if (Article.Status is ArticleStatus.Draft && Article.Author.Id == User.Id) {
// It's our draft
} else if (Article.Status is ArticleStatus.InReview && state.User.IsInRole("Reviewer")) {
// It's in reviewer, and we are reviewer
} else if (Article.Status is ArticleStatus.Published && state.User.IsInRole("Moderator")) {
// It's published, and we are moderator
} else {
throw new ApplicationException("You do not have permissions to edit this article");
}
}
Categories = await context.Set<Category>().OrderBy(c => c.Color).ToListAsync();
if (Article is not null) {
Model.Id ??= Article.Id;
Model.Title ??= Article.Title;
Model.Body ??= Article.Body;
Model.PublishDate ??= Article.PublishDate.LocalDateTime;
Model.Categories ??= Article.Categories.Select(c => c.Id).ToArray();
}
Busy = false;
}
private async Task OnValidSubmit() {
if (User is null) return;
Busy = true;
try {
await using var context = await ContextFactory.CreateDbContextAsync();
context.Entry(User).State = EntityState.Unchanged;
foreach (var category in Categories) {
context.Entry(category).State = EntityState.Unchanged;
}
Article article;
if (Model.Id is not null) {
article = await context.Set<Article>()
.IgnoreQueryFilters().Where(a => !a.IsDeleted)
.Include(a => a.Author)
.Include(a => a.Reviewer)
.Include(a => a.Categories)
.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
};
await context.AddAsync(article);
}
if (Model.PublishDate is not null) article.PublishDate = Model.PublishDate.Value;
await HandleRoles(article, User);
article.LastModified = DateTimeOffset.UtcNow;
article.BodyHtml = MarkdownUtilities.Parse(article.Body);
foreach (var category in article.Categories.ToList()) {
if (Model.Categories?.Contains(category.Id) is not true) {
article.Categories.Remove(category);
}
}
foreach (var categoryId in Model.Categories ?? Array.Empty<Guid>()) {
if (article.Categories.Any(c => c.Id == categoryId) is not true) {
article.Categories.Add(Categories.First(c => c.Id == categoryId));
}
}
var newsletter = await context.Set<EmailNewsletter>()
.IgnoreQueryFilters().FirstOrDefaultAsync(n => n.Article == article);
if (newsletter is not null) {
newsletter.DistributionDateTime = article.PublishDate;
}
await context.SaveChangesAsync();
Navigation.NavigateTo($"/article/{article.Id}");
} catch (Exception ex) {
// TODO toast
Logger.LogError(ex, "Failed to save article.");
} finally {
Busy = false;
await InvokeAsync(StateHasChanged);
}
}
private async Task HandleRoles(Article article, ApplicationUser me) {
// it's our draft
if (article.Status is ArticleStatus.Draft && article.Author.Id == me.Id) return;
var roles = await UserManager.GetRolesAsync(me);
// reviewers and admins can review articles
if (article.Status is ArticleStatus.InReview && roles.Any(r => r is "Admin" or "Reviewer")) {
article.Reviewer = me;
return;
}
// published articles may only be edited my admins or moderators
if (article.Status is ArticleStatus.Published && roles.Any(r => r is "Admin" or "Reviewer")) {
article.Reviewer = me; // TODO replace with editor or something?
return;
}
throw new ApplicationException("You do not have permissions to edit this article");
}
private void CategorySelectionChanged(ChangeEventArgs args) {
Model.Categories = ((string[]?)args.Value)?.Select(Guid.Parse).ToArray();
}
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 Guid[]? Categories { get; set; }
public DateTimeOffset? PublishDate { get; set; }
}
}

350
Wave/Components/Pages/Partials/ArticleEditorPartial.razor Normal file
View file

@ -0,0 +1,350 @@
@using Wave.Data
@using System.ComponentModel.DataAnnotations
@using System.Diagnostics.CodeAnalysis
@using Microsoft.AspNetCore.Identity
@using Microsoft.EntityFrameworkCore
@using Wave.Utilities
@inject ILogger<ArticleEditor> Logger
@inject NavigationManager Navigation
@inject UserManager<ApplicationUser> UserManager
@inject IDbContextFactory<ApplicationDbContext> ContextFactory
@inject IStringLocalizer<ArticleEditor> Localizer
@inject IMessageDisplay Message
<div class="w-full">
<ul class="steps w-full max-w-xs">
<li class="step @(Article.Status >= ArticleStatus.Draft ? "step-secondary" : "")">@Localizer["Draft"]</li>
<li class="step @(Article.Status >= ArticleStatus.InReview ? "step-secondary" : "")">@Localizer["InReview"]</li>
<li class="step @(Article.Status >= ArticleStatus.Published ? "step-secondary" : "")">@Localizer["Published"]</li>
</ul>
</div>
<div class="my-3 flex flex-wrap gap-4">
@foreach (var image in Article.Images) {
<figure>
<img src="/images/@(image.Id)?size=400" width="400" alt="@image.ImageDescription"/>
<figcaption>
@image.ImageDescription
</figcaption>
</figure>
}
</div>
<EditForm method="post" FormName="article-editor" Model="@Model" OnValidSubmit="OnValidSubmit">
<DataAnnotationsValidator/>
<input type="hidden" @bind-value="@Model.Id"/>
<InputLabelComponent LabelText="@Localizer["Title_Label"]" For="() => Model.Title">
<InputText class="input input-bordered w-full" maxlength="256" required aria-required
@bind-Value="@Model.Title" placeholder="@Localizer["Title_Placeholder"]" autocomplete="off"/>
</InputLabelComponent>
<div class="grid grid-cols-1 lg:grid-cols-2 gap-x-8">
<InputLabelComponent LabelText="@Localizer["PublishDate_Label"]" For="() => Model.PublishDate">
@if (Article.Status is not ArticleStatus.Published || Article.PublishDate >= DateTimeOffset.UtcNow) {
<InputDate class="input input-bordered w-full" Type="InputDateType.DateTimeLocal"
@bind-Value="@Model.PublishDate" placeholder="@Localizer["PublishDate_Placeholder"]" autocomplete="off"/>
} else {
<input class="input input-bordered w-full"
type="datetime-local" readonly value="@Article.PublishDate.ToString("yyyy-MM-dd\\THH:mm:ss")"/>
}
</InputLabelComponent>
<InputLabelComponent LabelText="@Localizer["Categories_Label"]" For="() => Model.Categories">
<select class="select select-bordered w-full h-32" @onchange="CategorySelectionChanged" multiple>
@foreach (var category in Categories) {
<option value="@category.Id" selected="@Model.Categories?.Contains(category.Id)">@category.Name</option>
}
</select>
</InputLabelComponent>
</div>
<AdvancedMarkdownEditor Title="@Model.Title" MarkdownCallback="() => Model.Body">
<div class="join join-vertical min-h-96 h-full w-full" aria-role="toolbar">
<Toolbar>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeSelection('# ', true);"
title="@Localizer["Tools_H1_Tooltip"]">
<strong>@Localizer["Tools_H1_Label"]</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('## ', true);"
title="@Localizer["Tools_H2_Tooltip"]">
<strong>@Localizer["Tools_H2_Label"]</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('### ', true);"
title="@Localizer["Tools_H3_Tooltip"]">
<strong>@Localizer["Tools_H3_Label"]</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('#### ', true);"
title="@Localizer["Tools_H4_Tooltip"]">
@Localizer["Tools_H4_Label"]
</ToolbarButton>
</ToolbarSection>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('**');"
title="@Localizer["Tools_Bold_Tooltip"]">
<strong>B</strong>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('*')"
title="@Localizer["Tools_Italic_Tooltip"]">
<em>I</em>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('++')"
title="@Localizer["Tools_Underline_Tooltip"]">
<u>U</u>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('~~')"
title="@Localizer["Tools_StrikeThrough_Tooltip"]">
<del>@Localizer["Tools_StrikeThrough_Label"]</del>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('==')"
title="@Localizer["Tools_Mark_Tooltip"]">
<mark>@Localizer["Tools_Mark_Label"]</mark>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('> ', true)"
title="@Localizer["Tools_Cite_Tooltip"]">
| <em>@Localizer["Tools_Cite_Label"]</em>
</ToolbarButton>
</ToolbarSection>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeSelection('1. ', true)">
1.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('a. ', true)">
a.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('A. ', true)">
A.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('i. ', true)">
i.
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeSelection('I. ', true)">
I.
</ToolbarButton>
</ToolbarSection>
<ToolbarSection>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('`')"
title="@Localizer["Tools_CodeLine_Tooltip"]">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-4 h-4">
<path fill-rule="evenodd" d="M14.447 3.026a.75.75 0 0 1 .527.921l-4.5 16.5a.75.75 0 0 1-1.448-.394l4.5-16.5a.75.75 0 0 1 .921-.527ZM16.72 6.22a.75.75 0 0 1 1.06 0l5.25 5.25a.75.75 0 0 1 0 1.06l-5.25 5.25a.75.75 0 1 1-1.06-1.06L21.44 12l-4.72-4.72a.75.75 0 0 1 0-1.06Zm-9.44 0a.75.75 0 0 1 0 1.06L2.56 12l4.72 4.72a.75.75 0 0 1-1.06 1.06L.97 12.53a.75.75 0 0 1 0-1.06l5.25-5.25a.75.75 0 0 1 1.06 0Z" clip-rule="evenodd"/>
</svg>
</ToolbarButton>
<ToolbarButton onclick="window.insertBeforeAndAfterSelection('\n```\n')"
title="@Localizer["Tools_CodeBlock_Tooltip"]">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-4 h-4">
<path fill-rule="evenodd" d="M3 6a3 3 0 0 1 3-3h12a3 3 0 0 1 3 3v12a3 3 0 0 1-3 3H6a3 3 0 0 1-3-3V6Zm14.25 6a.75.75 0 0 1-.22.53l-2.25 2.25a.75.75 0 1 1-1.06-1.06L15.44 12l-1.72-1.72a.75.75 0 1 1 1.06-1.06l2.25 2.25c.141.14.22.331.22.53Zm-10.28-.53a.75.75 0 0 0 0 1.06l2.25 2.25a.75.75 0 1 0 1.06-1.06L8.56 12l1.72-1.72a.75.75 0 1 0-1.06-1.06l-2.25 2.25Z" clip-rule="evenodd"/>
</svg>
</ToolbarButton>
</ToolbarSection>
</Toolbar>
<textarea id="tool-target" class="textarea textarea-bordered outline-none w-full flex-1 join-item"
required aria-required placeholder="@Localizer["Body_Placeholder"]"
@bind="@Model.Body" @bind:event="oninput" autocomplete="off"></textarea>
</div>
</AdvancedMarkdownEditor>
<div class="flex gap-2 flex-wrap mt-3">
<button type="submit" class="btn btn-primary w-full sm:btn-wide @(Saving ? "btn-loading" : "")" disabled="@Saving">
@Localizer["EditorSubmit"]
</button>
@if (Article.Id != Guid.Empty) {
<a class="btn w-full sm:btn-wide" href="/article/@(Article.Id)">
@Localizer["ViewArticle_Label"]
</a>
}
</div>
</EditForm>
<CategoryPicker/>
<SectionContent SectionName="scripts">
<script>
window.insertBeforeSelection = function(markdown, startOfLine = false) {
const target = document.getElementById("tool-target");
const start = target.selectionStart;
const end = target.selectionEnd;
const value = target.value;
let doStart = start;
if (startOfLine) {
doStart = value.lastIndexOf("\n", start) +1;
}
target.focus();
target.value = value.substring(0, doStart) + markdown + value.substring(doStart);
target.selectionStart = start + markdown.length;
target.selectionEnd = end + markdown.length;
target.focus();
target.dispatchEvent(new Event("input", { bubbles: true }));
}
window.insertBeforeAndAfterSelection = function (markdown) {
const target = document.getElementById("tool-target");
const start = target.selectionStart;
const end = target.selectionEnd;
const value = target.value;
target.focus();
target.value = value.substring(0, start) +
markdown + value.substring(start, end) + markdown +
value.substring(end);
target.selectionStart = start + markdown.length;
target.selectionEnd = end + markdown.length;
target.focus();
target.dispatchEvent(new Event("input", { bubbles: true }));
}
</script>
</SectionContent>
@code {
[Parameter]
public Guid? Id { get; set; }
[Parameter]
public required ApplicationUser User { get; set; }
[SupplyParameterFromForm]
private InputModel Model { get; set; } = new();
private Article Article { get; set; } = default!;
private List<Category> Categories { get; set; } = [];
private bool Saving { get; set; }
protected override void OnInitialized() {
// ReSharper disable once NullCoalescingConditionIsAlwaysNotNullAccordingToAPIContract
Article ??= new Article {Author = User, Title = "", Body = ""};
}
protected override async Task OnInitializedAsync() {
await using var context = await ContextFactory.CreateDbContextAsync();
Categories = await context.Set<Category>().IgnoreQueryFilters().OrderBy(c => c.Color).ToListAsync();
Article? article = null;
if (Id is not null) {
// Ensure we are not double-tracking User on existing articles, since
// a different context loaded this user originally
context.Entry(User).State = EntityState.Unchanged;
article = await context.Set<Article>()
.IgnoreQueryFilters().Where(a => !a.IsDeleted)
.Include(a => a.Author)
.Include(a => a.Reviewer)
.Include(a => a.Categories)
.Include(a => a.Images)
.FirstAsync(a => a.Id == Id);
if (article is null) throw new ApplicationException("Article not found.");
await HandleRoles(article, User);
}
if (article is not null) {
Model.Id ??= article.Id;
Model.Title ??= article.Title;
Model.Body ??= article.Body;
Model.PublishDate ??= article.PublishDate.LocalDateTime;
Model.Categories ??= article.Categories.Select(c => c.Id).ToArray();
Article = article;
await InvokeAsync(StateHasChanged);
}
}
private async Task OnValidSubmit() {
try {
Saving = true;
// Double check user permissions
await HandleRoles(Article, User);
if (Model.Title is not null) Article.Title = Model.Title;
if (Model.Body is not null) Article.Body = Model.Body;
if (Model.PublishDate is not null &&
(Article.Status is not ArticleStatus.Published || Article.PublishDate >= DateTimeOffset.UtcNow))
Article.PublishDate = Model.PublishDate.Value;
Article.LastModified = DateTimeOffset.UtcNow;
Article.BodyHtml = MarkdownUtilities.Parse(Article.Body);
await using var context = await ContextFactory.CreateDbContextAsync();
// Update Newsletter distribution if exists
var newsletter = await context.Set<EmailNewsletter>()
.IgnoreQueryFilters().IgnoreAutoIncludes()
.FirstOrDefaultAsync(n => n.Article == Article);
if (newsletter is not null) {
newsletter.DistributionDateTime = Article.PublishDate;
}
// Avoid unnecessary updates
context.Entry(User).State = EntityState.Unchanged;
Categories.ForEach(c => context.Entry(c).State = EntityState.Unchanged);
await context.Set<ArticleCategory>().IgnoreQueryFilters().IgnoreAutoIncludes()
.Where(ac => ac.Article.Id == Article.Id).LoadAsync();
Model.Categories ??= [];
context.Update(Article);
var relations = await context.Set<ArticleCategory>()
.IgnoreQueryFilters().IgnoreAutoIncludes()
.Where(ac => ac.Article == Article && !Model.Categories.Contains(ac.Category.Id))
.ToListAsync();
context.RemoveRange(relations);
foreach (var category in Model.Categories) {
if (Article.Categories.Any(c => c.Id == category) is not true) {
context.Add(new ArticleCategory {
Article = Article,
Category = Categories.First(c => c.Id == category)
});
}
}
await context.SaveChangesAsync();
Message.ShowSuccess(Localizer["Save_Success"]);
} catch (Exception ex) {
Message.ShowError(Localizer["Save_Error"]);
Logger.LogError(ex, "Failed to save article.");
} finally {
Saving = false;
await InvokeAsync(StateHasChanged);
}
}
[SuppressMessage("ReSharper", "ConvertIfStatementToSwitchStatement")]
private async Task HandleRoles(Article article, ApplicationUser me) {
// it's our draft
if (article.Status is ArticleStatus.Draft && article.Author.Id == me.Id) return;
var roles = await UserManager.GetRolesAsync(me);
// reviewers and admins can review articles
if (article.Status is ArticleStatus.InReview && roles.Any(r => r is "Admin" or "Reviewer")) {
article.Reviewer = me;
return;
}
// published articles may only be edited my admins or moderators
if (article.Status is ArticleStatus.Published && roles.Any(r => r is "Admin" or "Reviewer")) {
article.Reviewer = me; // TODO replace with editor or something?
return;
}
throw new ApplicationException("You do not have permissions to edit this article");
}
private void CategorySelectionChanged(ChangeEventArgs args) {
string[]? selected = (string[]?) args.Value;
Model.Categories = selected?.Select(Guid.Parse).ToArray();
}
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 Guid[]? Categories { get; set; }
public DateTimeOffset? PublishDate { get; set; }
}
}

2
Wave/Data/Category.cs
View file

@ -21,4 +21,6 @@ public class Category {
public CategoryColors Color { get; set; } = CategoryColors.Default;
public IList<Article> Articles { get; set; } = [];
public override string ToString() => $"[{Color} {Name}]";
}