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