refactor: separate Markdig extensions from project

Also introduces .Common project to house common references and types

OliverBooth.Common/Data/Blog/IBlogAuthor.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Blog;
+namespace OliverBooth.Common.Data.Blog;
 
 /// <summary>
 ///     Represents the author of a blog post.

OliverBooth.Common/Data/Blog/IBlogPost.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Blog;
+namespace OliverBooth.Common.Data.Blog;
 
 /// <summary>
 ///     Represents a blog post.

OliverBooth.Common/Data/Blog/ILegacyComment.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Blog;
+namespace OliverBooth.Common.Data.Blog;
 
 /// <summary>
 ///     Represents a comment that was posted on a legacy comment framework.

OliverBooth.Common/Data/Blog/IUser.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Blog;
+namespace OliverBooth.Common.Data.Blog;
 
 /// <summary>
 ///     Represents a user which can log in to the blog.

OliverBooth.Common/Data/Mastodon/AttachmentType.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Mastodon;
+namespace OliverBooth.Common.Data.Mastodon;
 
 public enum AttachmentType
 {

OliverBooth.Common/Data/Mastodon/IMastodonStatus.cs

@@ -0,0 +1,31 @@
+namespace OliverBooth.Common.Data.Mastodon;
+
+/// <summary>
+///     Represents a status on Mastodon.
+/// </summary>
+public interface IMastodonStatus
+{
+    /// <summary>
+    ///     Gets the content of the status.
+    /// </summary>
+    /// <value>The content.</value>
+    string Content { get; }
+
+    /// <summary>
+    ///     Gets the date and time at which this status was posted.
+    /// </summary>
+    /// <value>The post timestamp.</value>
+    DateTimeOffset CreatedAt { get; }
+
+    /// <summary>
+    ///     Gets the media attachments for this status.
+    /// </summary>
+    /// <value>The media attachments.</value>
+    IReadOnlyList<MediaAttachment> MediaAttachments { get; }
+
+    /// <summary>
+    ///     Gets the original URI of the status.
+    /// </summary>
+    /// <value>The original URI.</value>
+    Uri OriginalUri { get; }
+}

OliverBooth.Common/Data/Mastodon/MediaAttachment.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Mastodon;
+namespace OliverBooth.Common.Data.Mastodon;
 
 public sealed class MediaAttachment
 {

OliverBooth.Common/Data/Visibility.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data;
+namespace OliverBooth.Common.Data;
 
 /// <summary>
 ///     An enumeration of the possible visibilities of a blog post.

OliverBooth.Common/Data/Web/BookState.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents the state of a book.

OliverBooth.Common/Data/Web/IBlacklistEntry.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents an entry in the blacklist.

OliverBooth.Common/Data/Web/IBook.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents a book.

OliverBooth.Common/Data/Web/ICodeSnippet.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents a code snippet.

OliverBooth.Common/Data/Web/IProgrammingLanguage.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents a programming language.

OliverBooth.Common/Data/Web/IProject.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents a project.

OliverBooth.Common/Data/Web/ITemplate.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents a template.

OliverBooth.Common/Data/Web/ITutorialArticle.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents a tutorial article.

OliverBooth.Common/Data/Web/ITutorialFolder.cs

@@ -1,4 +1,4 @@
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents a folder for tutorial articles.

OliverBooth.Common/Data/Web/ProjectStatus.cs

@@ -1,6 +1,6 @@
 using System.ComponentModel;
 
-namespace OliverBooth.Data.Web;
+namespace OliverBooth.Common.Data.Web;
 
 /// <summary>
 ///     Represents the status of a project.

OliverBooth.Common/OliverBooth.Common.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="HtmlAgilityPack" Version="1.11.59"/>
+        <PackageReference Include="Humanizer.Core" Version="2.14.1"/>
+        <PackageReference Include="Markdig" Version="0.36.2"/>
+        <PackageReference Include="ZString" Version="2.5.1"/>
+    </ItemGroup>
+
+</Project>

OliverBooth.Common/Services/IBlogPostService.cs

@@ -1,7 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
-using OliverBooth.Data.Blog;
+using OliverBooth.Common.Data.Blog;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 /// <summary>
 ///     Represents a service for managing blog posts.

OliverBooth.Common/Services/IBlogUserService.cs

@@ -1,7 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
-using OliverBooth.Data.Blog;
+using OliverBooth.Common.Data.Blog;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 /// <summary>
 ///     Represents a service for managing users.

OliverBooth.Common/Services/ICodeSnippetService.cs

@@ -1,7 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
-using OliverBooth.Data.Web;
+using OliverBooth.Common.Data.Web;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 /// <summary>
 ///     Represents a service which can fetch multi-language code snippets.

OliverBooth.Common/Services/IContactService.cs

@@ -1,6 +1,6 @@
-using OliverBooth.Data.Web;
+using OliverBooth.Common.Data.Web;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 /// <summary>
 ///     Represents a service for managing contact information.

OliverBooth.Common/Services/IMastodonService.cs

@@ -1,6 +1,6 @@
-using OliverBooth.Data.Mastodon;
+using OliverBooth.Common.Data.Mastodon;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 public interface IMastodonService
 {
@@ -8,5 +8,5 @@ public interface IMastodonService
     ///     Gets the latest status posted to Mastodon.
     /// </summary>
     /// <returns>The latest status.</returns>
-    MastodonStatus GetLatestStatus();
+    IMastodonStatus GetLatestStatus();
 }

OliverBooth.Common/Services/IProgrammingLanguageService.cs

@@ -0,0 +1,14 @@
+namespace OliverBooth.Common.Services;
+
+/// <summary>
+///     Represents a service which can perform programming language lookup.
+/// </summary>
+public interface IProgrammingLanguageService
+{
+    /// <summary>
+    ///     Returns the human-readable name of a language.
+    /// </summary>
+    /// <param name="alias">The alias of the language.</param>
+    /// <returns>The human-readable name, or <paramref name="alias" /> if the name could not be found.</returns>
+    string GetLanguageName(string alias);
+}

OliverBooth.Common/Services/IProjectService.cs

@@ -1,7 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
-using OliverBooth.Data.Web;
+using OliverBooth.Common.Data.Web;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 /// <summary>
 ///     Represents a service for interacting with projects.

OliverBooth.Common/Services/IReadingListService.cs

@@ -1,6 +1,6 @@
-using OliverBooth.Data.Web;
+using OliverBooth.Common.Data.Web;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 /// <summary>
 ///     Represents a service which fetches books from the reading list.

OliverBooth.Common/Services/ITutorialService.cs

@@ -1,9 +1,9 @@
 using System.Diagnostics.CodeAnalysis;
-using OliverBooth.Data;
-using OliverBooth.Data.Blog;
-using OliverBooth.Data.Web;
+using OliverBooth.Common.Data;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Data.Web;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Common.Services;
 
 /// <summary>
 ///     Represents a service which can retrieve tutorial articles.

OliverBooth.Extensions.Markdig/Markdown/Callout/CalloutBlock.cs

@@ -0,0 +1,43 @@
+using Markdig.Helpers;
+using Markdig.Syntax;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Callout;
+
+/// <summary>
+///     Represents a callout block.
+/// </summary>
+internal sealed class CalloutBlock : QuoteBlock
+{
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="CalloutBlock" /> class.
+    /// </summary>
+    /// <param name="type">The type of the callout.</param>
+    public CalloutBlock(StringSlice type) : base(null)
+    {
+        Type = type;
+    }
+
+    /// <summary>
+    ///     Gets or sets a value indicating whether this callout is foldable.
+    /// </summary>
+    /// <value><see langword="true" /> if this callout is foldable; otherwise, <see langword="false" />.</value>
+    public bool Foldable { get; set; }
+
+    /// <summary>
+    ///     Gets or sets the title of the callout.
+    /// </summary>
+    /// <value>The title of the callout.</value>
+    public StringSlice Title { get; set; }
+
+    /// <summary>
+    ///     Gets or sets the trailing whitespace trivia.
+    /// </summary>
+    /// <value>The trailing whitespace trivia.</value>
+    public StringSlice TrailingWhitespaceTrivia { get; set; }
+
+    /// <summary>
+    ///     Gets or sets the type of the callout.
+    /// </summary>
+    /// <value>The type of the callout.</value>
+    public StringSlice Type { get; set; }
+}

OliverBooth.Extensions.Markdig/Markdown/Callout/CalloutExtension.cs

@@ -0,0 +1,32 @@
+using Markdig;
+using Markdig.Parsers.Inlines;
+using Markdig.Renderers;
+using Markdig.Renderers.Html;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Callout;
+
+/// <summary>
+///     Extension for adding Obsidian-style callouts to a Markdown pipeline.
+/// </summary>
+internal sealed class CalloutExtension : IMarkdownExtension
+{
+    /// <inheritdoc />
+    public void Setup(MarkdownPipelineBuilder pipeline)
+    {
+        var parser = pipeline.InlineParsers.Find<CalloutInlineParser>();
+        if (parser is null)
+        {
+            pipeline.InlineParsers.InsertBefore<LinkInlineParser>(new CalloutInlineParser());
+        }
+    }
+
+    /// <inheritdoc />
+    public void Setup(MarkdownPipeline pipeline, IMarkdownRenderer renderer)
+    {
+        var blockRenderer = renderer.ObjectRenderers.FindExact<CalloutRenderer>();
+        if (blockRenderer is null)
+        {
+            renderer.ObjectRenderers.InsertBefore<QuoteBlockRenderer>(new CalloutRenderer(pipeline));
+        }
+    }
+}

OliverBooth.Extensions.Markdig/Markdown/Callout/CalloutInlineParser.cs

@@ -0,0 +1,176 @@
+using System.Reflection;
+using Cysharp.Text;
+using Markdig.Helpers;
+using Markdig.Parsers;
+using Markdig.Renderers.Html;
+using Markdig.Syntax;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Callout;
+
+/// <summary>
+///     An inline parser for Obsidian-style callouts (<c>[!NOTE]</c> etc.)
+/// </summary>
+internal sealed class CalloutInlineParser : InlineParser
+{
+    // ugly hack to access internal method
+    private static readonly MethodInfo ReplaceParentContainerMethod =
+        typeof(InlineProcessor).GetMethod("ReplaceParentContainer", BindingFlags.Instance | BindingFlags.NonPublic)!;
+
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="CalloutInlineParser" /> class.
+    /// </summary>
+    public CalloutInlineParser()
+    {
+        OpeningCharacters = ['['];
+    }
+
+    /// <inheritdoc />
+    public override bool Match(InlineProcessor processor, ref StringSlice slice)
+    {
+        // We expect the alert to be the first child of a quote block. Example:
+        // > [!NOTE]
+        // > This is a note
+        if (processor.Block is not ParagraphBlock { Parent: QuoteBlock quoteBlock } paragraphBlock ||
+            paragraphBlock.Inline?.FirstChild != null)
+        {
+            return false;
+        }
+
+        StringSlice cache = slice;
+        char current = slice.NextChar();
+
+        if (current != '!')
+        {
+            slice = cache;
+            return false;
+        }
+
+        current = slice.NextChar(); // skip !
+
+        int start = slice.Start;
+        int end = start;
+
+        while (current.IsAlphaUpper())
+        {
+            end = slice.Start;
+            current = slice.NextChar();
+        }
+
+        if (current != ']' || start == end)
+        {
+            slice = cache;
+            return false;
+        }
+
+        var type = new StringSlice(slice.Text, start, end);
+        current = slice.NextChar(); // skip ]
+        start = slice.Start;
+
+        bool fold = false;
+        if (current == '-')
+        {
+            fold = true;
+            current = slice.NextChar(); // skip -
+            start = slice.Start;
+        }
+
+        ReadTitle(current, ref slice, out StringSlice title, out end);
+
+        var callout = new CalloutBlock(type)
+        {
+            Foldable = fold,
+            Span = quoteBlock.Span,
+            TrailingWhitespaceTrivia = new StringSlice(slice.Text, start, end),
+            Line = quoteBlock.Line,
+            Column = quoteBlock.Column,
+            Title = title
+        };
+
+        AddAttributes(callout, type);
+        ReplaceQuoteBlock(processor, quoteBlock, callout);
+        return true;
+    }
+
+    private static void ReadTitle(char startChar, ref StringSlice slice, out StringSlice title, out int end)
+    {
+        using Utf16ValueStringBuilder builder = ZString.CreateStringBuilder();
+
+        char current = startChar;
+        while (true)
+        {
+            if (current is not ('\0' or '\r' or '\n'))
+            {
+                builder.Append(current);
+                current = slice.NextChar();
+                continue;
+            }
+
+            end = slice.Start;
+            if (HandleCharacter(ref slice, ref end, ref current))
+            {
+                continue;
+            }
+
+            break;
+        }
+
+        title = new StringSlice(builder.ToString(), 0, builder.Length);
+    }
+
+    private static bool HandleCharacter(ref StringSlice slice, ref int end, ref char current)
+    {
+        switch (current)
+        {
+            case '\r':
+                current = slice.NextChar(); // skip \r
+
+                if (current is not ('\0' or '\n'))
+                {
+                    return true;
+                }
+
+                end = slice.Start;
+                if (current == '\n')
+                {
+                    slice.NextChar(); // skip \n
+                }
+
+                break;
+
+            case '\n':
+                slice.NextChar(); // skip \n
+                break;
+        }
+
+        return false;
+    }
+
+    private static void AddAttributes(IMarkdownObject callout, StringSlice type)
+    {
+        HtmlAttributes attributes = callout.GetAttributes();
+        attributes.AddClass("callout");
+        attributes.AddProperty("data-callout", type.AsSpan().ToString().ToLowerInvariant());
+    }
+
+    private static void ReplaceQuoteBlock(InlineProcessor processor, QuoteBlock quoteBlock, CalloutBlock callout)
+    {
+        ContainerBlock? parentQuoteBlock = quoteBlock.Parent;
+        if (parentQuoteBlock is null)
+        {
+            return;
+        }
+
+        int indexOfQuoteBlock = parentQuoteBlock.IndexOf(quoteBlock);
+        parentQuoteBlock[indexOfQuoteBlock] = callout;
+
+        while (quoteBlock.Count > 0)
+        {
+            var block = quoteBlock[0];
+            quoteBlock.RemoveAt(0);
+            callout.Add(block);
+        }
+
+        ReplaceParentContainerMethod.Invoke(processor, [quoteBlock, callout]);
+        // ReplaceParentContainer(processor, quoteBlock, callout);
+    }
+}

OliverBooth.Extensions.Markdig/Markdown/Callout/CalloutRenderer.cs

@@ -0,0 +1,119 @@
+using HtmlAgilityPack;
+using Humanizer;
+using Markdig;
+using Markdig.Renderers;
+using Markdig.Renderers.Html;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Callout;
+
+/// <summary>
+///     Represents an HTML renderer which renders a <see cref="CalloutBlock" />.
+/// </summary>
+internal sealed class CalloutRenderer : HtmlObjectRenderer<CalloutBlock>
+{
+    private readonly MarkdownPipeline _pipeline;
+
+    private static readonly Dictionary<string, string> CalloutTypes = new()
+    {
+        ["NOTE"] = "pencil",
+        ["ABSTRACT"] = "clipboard-list",
+        ["INFO"] = "info",
+        ["TODO"] = "circle-check",
+        ["TIP"] = "flame",
+        ["IMPORTANT"] = "flame",
+        ["SUCCESS"] = "check",
+        ["QUESTION"] = "circle-help",
+        ["WARNING"] = "triangle-alert",
+        ["FAILURE"] = "x",
+        ["DANGER"] = "zap",
+        ["BUG"] = "bug",
+        ["EXAMPLE"] = "list",
+        ["CITE"] = "quote",
+        ["UPDATE"] = "calendar-check",
+    };
+
+    public CalloutRenderer(MarkdownPipeline pipeline)
+    {
+        _pipeline = pipeline;
+    }
+
+    /// <inheritdoc />
+    protected override void Write(HtmlRenderer renderer, CalloutBlock block)
+    {
+        renderer.EnsureLine();
+        if (renderer.EnableHtmlForBlock)
+        {
+            RenderAsHtml(renderer, block, _pipeline);
+        }
+        else
+        {
+            RenderAsText(renderer, block);
+        }
+
+        renderer.EnsureLine();
+    }
+
+    private static void RenderAsHtml(HtmlRenderer renderer, CalloutBlock block, MarkdownPipeline pipeline)
+    {
+        string title = block.Title.Text;
+        ReadOnlySpan<char> type = block.Type.AsSpan();
+        Span<char> upperType = stackalloc char[type.Length];
+        type.ToUpperInvariant(upperType);
+
+        if (!CalloutTypes.TryGetValue(upperType.ToString(), out string? lucideClass))
+        {
+            lucideClass = "pencil";
+        }
+
+        var typeString = type.ToString().ToLowerInvariant();
+
+        renderer.Write($"<div class=\"callout\" data-callout=\"{typeString}\"");
+        if (block.Foldable)
+        {
+            renderer.Write(" data-callout-fold=\"true\"");
+        }
+
+        renderer.Write('>');
+        renderer.Write("<div class=\"callout-title\"><i data-lucide=\"");
+        renderer.Write(lucideClass);
+        renderer.Write("\"></i> ");
+
+        string calloutTitle = title.Length == 0 ? typeString.Humanize(LetterCasing.Sentence) : title;
+        WriteTitle(renderer, pipeline, calloutTitle);
+
+        if (block.Foldable)
+        {
+            renderer.Write("<span class=\"callout-fold\"><i data-lucide=\"chevron-down\"></i></span>");
+        }
+
+        renderer.WriteLine("</div>");
+        renderer.Write("<div class=\"callout-content\">");
+        renderer.WriteChildren(block);
+        renderer.WriteLine("</div>");
+        renderer.WriteLine("</div>");
+        renderer.EnsureLine();
+    }
+
+    private static void WriteTitle(TextRendererBase renderer, MarkdownPipeline pipeline, string calloutTitle)
+    {
+        string html = global::Markdig.Markdown.ToHtml(calloutTitle, pipeline);
+        var document = new HtmlDocument();
+        document.LoadHtml(html);
+        if (document.DocumentNode.FirstChild is { Name: "p" } child)
+        {
+            // ugly hack to remove <p> tag generated by Markdig
+            document.DocumentNode.InnerHtml = child.InnerHtml;
+        }
+
+        document.Save(renderer.Writer);
+    }
+
+    private static void RenderAsText(HtmlRenderer renderer, CalloutBlock block)
+    {
+        string title = block.Title.Text;
+        ReadOnlySpan<char> type = block.Type.AsSpan();
+        renderer.WriteLine(title.Length == 0 ? type.ToString().ToUpperInvariant() : title.ToUpperInvariant());
+        renderer.WriteChildren(block);
+        renderer.EnsureLine();
+    }
+}

OliverBooth.Extensions.Markdig/Markdown/MarkdownExtensions.cs

@@ -0,0 +1,21 @@
+using Markdig;
+using OliverBooth.Extensions.Markdig.Markdown.Callout;
+
+namespace OliverBooth.Extensions.Markdig.Markdown;
+
+/// <summary>
+///     Extension methods for <see cref="MarkdownPipelineBuilder" />.
+/// </summary>
+internal static class MarkdownExtensions
+{
+    /// <summary>
+    ///     Uses this extension to enable Obsidian-style callouts.
+    /// </summary>
+    /// <param name="pipeline">The pipeline.</param>
+    /// <returns>The modified pipeline.</returns>
+    public static MarkdownPipelineBuilder UseCallouts(this MarkdownPipelineBuilder pipeline)
+    {
+        pipeline.Extensions.AddIfNotAlready<CalloutExtension>();
+        return pipeline;
+    }
+}

OliverBooth.Extensions.Markdig/Markdown/Template/TemplateExtension.cs

@@ -1,8 +1,8 @@
 using Markdig;
 using Markdig.Renderers;
-using OliverBooth.Services;
+using OliverBooth.Extensions.Markdig.Services;
 
-namespace OliverBooth.Markdown.Template;
+namespace OliverBooth.Extensions.Markdig.Markdown.Template;
 
 /// <summary>
 ///     Represents a Markdown extension that adds support for MediaWiki-style templates.

OliverBooth.Extensions.Markdig/Markdown/Template/TemplateInline.cs

@@ -1,6 +1,6 @@
 using Markdig.Syntax.Inlines;
 
-namespace OliverBooth.Markdown.Template;
+namespace OliverBooth.Extensions.Markdig.Markdown.Template;
 
 /// <summary>
 ///     Represents a Markdown inline element that represents a MediaWiki-style template.

OliverBooth.Extensions.Markdig/Markdown/Template/TemplateInlineParser.cs

@@ -2,7 +2,7 @@ using Cysharp.Text;
 using Markdig.Helpers;
 using Markdig.Parsers;
 
-namespace OliverBooth.Markdown.Template;
+namespace OliverBooth.Extensions.Markdig.Markdown.Template;
 
 /// <summary>
 ///     Represents a Markdown inline parser that handles MediaWiki-style templates.

OliverBooth.Extensions.Markdig/Markdown/Template/TemplateRenderer.cs

@@ -1,8 +1,8 @@
 using Markdig.Renderers;
 using Markdig.Renderers.Html;
-using OliverBooth.Services;
+using OliverBooth.Extensions.Markdig.Services;
 
-namespace OliverBooth.Markdown.Template;
+namespace OliverBooth.Extensions.Markdig.Markdown.Template;
 
 /// <summary>
 ///     Represents a Markdown object renderer that handles <see cref="TemplateInline" /> elements.

OliverBooth.Extensions.Markdig/Markdown/Timestamp/TimestampExtension.cs

@@ -0,0 +1,25 @@
+using Markdig;
+using Markdig.Renderers;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Timestamp;
+
+/// <summary>
+///     Represents a Markdig extension that supports Discord-style timestamps.
+/// </summary>
+public class TimestampExtension : IMarkdownExtension
+{
+    /// <inheritdoc />
+    public void Setup(MarkdownPipelineBuilder pipeline)
+    {
+        pipeline.InlineParsers.AddIfNotAlready<TimestampInlineParser>();
+    }
+
+    /// <inheritdoc />
+    public void Setup(MarkdownPipeline pipeline, IMarkdownRenderer renderer)
+    {
+        if (renderer is HtmlRenderer htmlRenderer)
+        {
+            htmlRenderer.ObjectRenderers.AddIfNotAlready<TimestampRenderer>();
+        }
+    }
+}

OliverBooth.Extensions.Markdig/Markdown/Timestamp/TimestampFormat.cs

@@ -0,0 +1,42 @@
+namespace OliverBooth.Extensions.Markdig.Markdown.Timestamp;
+
+/// <summary>
+///     An enumeration of timestamp formats.
+/// </summary>
+public enum TimestampFormat
+{
+    /// <summary>
+    ///     Short time format. Example: 12:00
+    /// </summary>
+    ShortTime = 't',
+
+    /// <summary>
+    ///     Long time format. Example: 12:00:00
+    /// </summary>
+    LongTime = 'T',
+
+    /// <summary>
+    ///     Short date format. Example: 1/1/2000
+    /// </summary>
+    ShortDate = 'd',
+
+    /// <summary>
+    ///     Long date format. Example: 1 January 2000
+    /// </summary>
+    LongDate = 'D',
+
+    /// <summary>
+    ///     Short date/time format. Example: 1 January 2000 at 12:00
+    /// </summary>
+    LongDateShortTime = 'f',
+
+    /// <summary>
+    ///     Long date/time format. Example: Saturday, 1 January 2000 at 12:00
+    /// </summary>
+    LongDateTime = 'F',
+
+    /// <summary>
+    ///     Relative date/time format. Example: 1 second ago
+    /// </summary>
+    Relative = 'R',
+}

OliverBooth.Extensions.Markdig/Markdown/Timestamp/TimestampInline.cs

@@ -0,0 +1,21 @@
+using Markdig.Syntax.Inlines;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Timestamp;
+
+/// <summary>
+///     Represents a Markdown inline element that contains a timestamp.
+/// </summary>
+public sealed class TimestampInline : Inline
+{
+    /// <summary>
+    ///     Gets or sets the format.
+    /// </summary>
+    /// <value>The format.</value>
+    public TimestampFormat Format { get; set; }
+
+    /// <summary>
+    ///     Gets or sets the timestamp.
+    /// </summary>
+    /// <value>The timestamp.</value>
+    public DateTimeOffset Timestamp { get; set; }
+}

OliverBooth.Extensions.Markdig/Markdown/Timestamp/TimestampInlineParser.cs

@@ -0,0 +1,91 @@
+using Markdig.Helpers;
+using Markdig.Parsers;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Timestamp;
+
+/// <summary>
+///     Represents a Markdown inline parser that matches Discord-style timestamps.
+/// </summary>
+public sealed class TimestampInlineParser : InlineParser
+{
+    /// <summary>
+    ///     Initializes a new instance of the <see cref="TimestampInlineParser" /> class.
+    /// </summary>
+    public TimestampInlineParser()
+    {
+        OpeningCharacters = new[] { '<' };
+    }
+
+    /// <inheritdoc />
+    public override bool Match(InlineProcessor processor, ref StringSlice slice)
+    {
+        // Previous char must be a space
+        if (!slice.PeekCharExtra(-1).IsWhiteSpaceOrZero())
+        {
+            return false;
+        }
+
+        ReadOnlySpan<char> span = slice.Text.AsSpan(slice.Start, slice.Length);
+
+        if (!TryConsumeTimestamp(span, out ReadOnlySpan<char> rawTimestamp, out char format))
+        {
+            return false;
+        }
+
+        if (!long.TryParse(rawTimestamp, out long timestamp))
+        {
+            return false;
+        }
+
+        bool hasFormat = format != '\0';
+        processor.Inline = new TimestampInline
+        {
+            Format = (TimestampFormat)format,
+            Timestamp = DateTimeOffset.FromUnixTimeSeconds(timestamp)
+        };
+
+        int paddingCount = hasFormat ? 6 : 4; // <t:*> or optionally <t:*:*>
+        slice.Start += rawTimestamp.Length + paddingCount;
+        return true;
+    }
+
+    private bool TryConsumeTimestamp(ReadOnlySpan<char> source,
+        out ReadOnlySpan<char> timestamp,
+        out char format)
+    {
+        timestamp = default;
+        format = default;
+
+        if (!source.StartsWith("<t:")) return false;
+        timestamp = source[3..];
+
+        if (timestamp.IndexOf('>') == -1)
+        {
+            timestamp = default;
+            return false;
+        }
+
+        int delimiterIndex = timestamp.IndexOf(':');
+        if (delimiterIndex == 0)
+        {
+            // invalid format <t::*>
+            timestamp = default;
+            return false;
+        }
+
+        if (delimiterIndex == -1)
+        {
+            // no format, default to relative
+            format = 'R';
+            timestamp = timestamp[..^1]; // trim >
+        }
+        else
+        {
+            // use specified format
+            format = timestamp[^2];
+            timestamp = timestamp[..^3];
+        }
+
+        return true;
+    }
+}

OliverBooth.Extensions.Markdig/Markdown/Timestamp/TimestampRenderer.cs

@@ -0,0 +1,55 @@
+using System.ComponentModel;
+using Humanizer;
+using Markdig.Renderers;
+using Markdig.Renderers.Html;
+
+namespace OliverBooth.Extensions.Markdig.Markdown.Timestamp;
+
+/// <summary>
+///     Represents a Markdown object renderer that renders <see cref="TimestampInline" /> elements.
+/// </summary>
+public sealed class TimestampRenderer : HtmlObjectRenderer<TimestampInline>
+{
+    /// <inheritdoc />
+    protected override void Write(HtmlRenderer renderer, TimestampInline obj)
+    {
+        DateTimeOffset timestamp = obj.Timestamp;
+        TimestampFormat format = obj.Format;
+
+        renderer.Write("<span class=\"timestamp\" data-timestamp=\"");
+        renderer.Write(timestamp.ToUnixTimeSeconds().ToString());
+        renderer.Write("\" data-format=\"");
+        renderer.Write(((char)format).ToString());
+        renderer.Write("\" title=\"");
+        renderer.WriteEscape(timestamp.ToString("dddd, d MMMM yyyy HH:mm"));
+        renderer.Write("\">");
+
+        switch (format)
+        {
+            case TimestampFormat.LongDate:
+                renderer.Write(timestamp.ToString("d MMMM yyyy"));
+                break;
+
+            case TimestampFormat.LongDateShortTime:
+                renderer.Write(timestamp.ToString(@"d MMMM yyyy \a\t HH:mm"));
+                break;
+
+            case TimestampFormat.LongDateTime:
+                renderer.Write(timestamp.ToString(@"dddd, d MMMM yyyy \a\t HH:mm"));
+                break;
+
+            case TimestampFormat.Relative:
+                renderer.Write(timestamp.Humanize());
+                break;
+
+            case var _ when !Enum.IsDefined(format):
+                throw new InvalidEnumArgumentException(nameof(format), (int)format, typeof(TimestampFormat));
+
+            default:
+                renderer.Write(timestamp.ToString(((char)format).ToString()));
+                break;
+        }
+
+        renderer.Write("</span>");
+    }
+}

OliverBooth.Extensions.Markdig/MarkdownPipelineExtensions.cs

@@ -0,0 +1,38 @@
+using Markdig;
+using OliverBooth.Extensions.Markdig.Markdown.Template;
+using OliverBooth.Extensions.Markdig.Services;
+
+namespace OliverBooth.Extensions.Markdig;
+
+/// <summary>
+///     Extension methods for <see cref="MarkdownPipelineBuilder" />.
+/// </summary>
+public static class MarkdownPipelineExtensions
+{
+    /// <summary>
+    ///     Enables the use of Wiki-style templates in this pipeline.
+    /// </summary>
+    /// <param name="builder">The Markdig markdown pipeline builder.</param>
+    /// <param name="templateService">The template service responsible for fetching and rendering templates.</param>
+    /// <returns>The modified Markdig markdown pipeline builder.</returns>
+    /// <exception cref="ArgumentNullException">
+    ///     <para><paramref name="builder" /> is <see langword="null" />.</para>
+    ///     -or-
+    ///     <para><paramref name="templateService" /> is <see langword="null" />.</para>
+    /// </exception>
+    public static MarkdownPipelineBuilder UseTemplates(this MarkdownPipelineBuilder builder, ITemplateService templateService)
+    {
+        if (builder is null)
+        {
+            throw new ArgumentNullException(nameof(builder));
+        }
+
+        if (templateService is null)
+        {
+            throw new ArgumentNullException(nameof(templateService));
+        }
+
+        builder.Use(new TemplateExtension(templateService));
+        return builder;
+    }
+}

OliverBooth.Extensions.Markdig/OliverBooth.Extensions.Markdig.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\OliverBooth.Common\OliverBooth.Common.csproj"/>
+    </ItemGroup>
+
+</Project>

OliverBooth.Extensions.Markdig/Services/ITemplateService.cs

@@ -1,8 +1,8 @@
 using System.Diagnostics.CodeAnalysis;
-using OliverBooth.Data.Web;
-using OliverBooth.Markdown.Template;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Extensions.Markdig.Markdown.Template;
 
-namespace OliverBooth.Services;
+namespace OliverBooth.Extensions.Markdig.Services;
 
 /// <summary>
 ///     Represents a service that renders MediaWiki-style templates.

OliverBooth.sln

@@ -13,6 +13,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		global.json = global.json
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OliverBooth.Extensions.Markdig", "OliverBooth.Extensions.Markdig\OliverBooth.Extensions.Markdig.csproj", "{3B012CD2-3201-41A0-BEF9-8E0B6247BB7E}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OliverBooth.Common", "OliverBooth.Common\OliverBooth.Common.csproj", "{AD231E0F-FAED-4661-963F-EB22F858E148}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -23,6 +27,14 @@ Global
 		{A58A6FA3-480C-400B-822A-3786741BF39C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A58A6FA3-480C-400B-822A-3786741BF39C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A58A6FA3-480C-400B-822A-3786741BF39C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{3B012CD2-3201-41A0-BEF9-8E0B6247BB7E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{3B012CD2-3201-41A0-BEF9-8E0B6247BB7E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{3B012CD2-3201-41A0-BEF9-8E0B6247BB7E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{3B012CD2-3201-41A0-BEF9-8E0B6247BB7E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AD231E0F-FAED-4661-963F-EB22F858E148}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AD231E0F-FAED-4661-963F-EB22F858E148}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AD231E0F-FAED-4661-963F-EB22F858E148}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AD231E0F-FAED-4661-963F-EB22F858E148}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 	EndGlobalSection

OliverBooth/Controllers/Blog/BlogApiController.cs

@@ -1,7 +1,7 @@
 using Humanizer;
 using Microsoft.AspNetCore.Mvc;
-using OliverBooth.Data.Blog;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Controllers.Blog;
 

OliverBooth/Controllers/Blog/RssController.cs

@@ -1,8 +1,8 @@
 using System.Xml.Serialization;
 using Microsoft.AspNetCore.Mvc;
-using OliverBooth.Data.Blog;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Blog.Rss;
-using OliverBooth.Services;
 
 namespace OliverBooth.Controllers.Blog;
 

OliverBooth/Controllers/FormattedBlacklist.cs

@@ -1,7 +1,7 @@
 using System.Text;
 using Microsoft.AspNetCore.Mvc;
-using OliverBooth.Data.Web;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Controllers;
 

OliverBooth/Data/Blog/BlogPost.cs

@@ -1,4 +1,6 @@
 using System.ComponentModel.DataAnnotations.Schema;
+using OliverBooth.Common.Data;
+using OliverBooth.Common.Data.Blog;
 using SmartFormat;
 
 namespace OliverBooth.Data.Blog;

OliverBooth/Data/Blog/Configuration/BlogPostConfiguration.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using OliverBooth.Common.Data;
 
 namespace OliverBooth.Data.Blog.Configuration;
 

OliverBooth/Data/Blog/LegacyComment.cs

@@ -1,4 +1,5 @@
 using System.Web;
+using OliverBooth.Common.Data.Blog;
 
 namespace OliverBooth.Data.Blog;
 

OliverBooth/Data/Blog/User.cs

@@ -2,6 +2,7 @@ using System.ComponentModel.DataAnnotations.Schema;
 using System.Security.Cryptography;
 using System.Text;
 using Cysharp.Text;
+using OliverBooth.Common.Data.Blog;
 
 namespace OliverBooth.Data.Blog;
 

OliverBooth/Data/Mastodon/MastodonStatus.cs

@@ -1,34 +1,24 @@
 using System.Text.Json.Serialization;
+using OliverBooth.Common.Data.Mastodon;
 
 namespace OliverBooth.Data.Mastodon;
 
-public sealed class MastodonStatus
+/// <inheritdoc />
+internal sealed class MastodonStatus : IMastodonStatus
 {
-    /// <summary>
-    ///     Gets the content of the status.
-    /// </summary>
-    /// <value>The content.</value>
+    /// <inheritdoc />
     [JsonPropertyName("content")]
     public string Content { get; set; } = string.Empty;
 
-    /// <summary>
-    ///     Gets the date and time at which this status was posted.
-    /// </summary>
-    /// <value>The post timestamp.</value>
+    /// <inheritdoc />
     [JsonPropertyName("created_at")]
     public DateTimeOffset CreatedAt { get; set; }
 
-    /// <summary>
-    ///     Gets the media attachments for this status.
-    /// </summary>
-    /// <value>The media attachments.</value>
+    /// <inheritdoc />
     [JsonPropertyName("media_attachments")]
-    public IReadOnlyList<MediaAttachment> MediaAttachments { get; set; } = ArraySegment<MediaAttachment>.Empty; 
+    public IReadOnlyList<MediaAttachment> MediaAttachments { get; set; } = ArraySegment<MediaAttachment>.Empty;
 
-    /// <summary>
-    ///     Gets the original URI of the status.
-    /// </summary>
-    /// <value>The original URI.</value>
+    /// <inheritdoc />
     [JsonPropertyName("url")]
     public Uri OriginalUri { get; set; } = null!;
 }

OliverBooth/Data/Web/BlacklistEntry.cs

@@ -1,3 +1,5 @@
+using OliverBooth.Common.Data.Web;
+
 namespace OliverBooth.Data.Web;
 
 /// <inheritdoc cref="IBlacklistEntry"/>

OliverBooth/Data/Web/Book.cs

@@ -1,4 +1,5 @@
 using NetBarcode;
+using OliverBooth.Common.Data.Web;
 using SixLabors.ImageSharp;
 using SixLabors.ImageSharp.Formats.Png;
 using SixLabors.ImageSharp.Processing;

OliverBooth/Data/Web/CodeSnippet.cs

@@ -1,3 +1,5 @@
+using OliverBooth.Common.Data.Web;
+
 namespace OliverBooth.Data.Web;
 
 /// <inheritdoc />

OliverBooth/Data/Web/Configuration/BookConfiguration.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using OliverBooth.Common.Data.Web;
 
 namespace OliverBooth.Data.Web.Configuration;
 

OliverBooth/Data/Web/Configuration/ProjectConfiguration.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using OliverBooth.Common.Data.Web;
 
 namespace OliverBooth.Data.Web.Configuration;
 

OliverBooth/Data/Web/Configuration/TutorialArticleConfiguration.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using OliverBooth.Common.Data;
 
 namespace OliverBooth.Data.Web.Configuration;
 

OliverBooth/Data/Web/Configuration/TutorialFolderConfiguration.cs

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using OliverBooth.Common.Data;
 
 namespace OliverBooth.Data.Web.Configuration;
 

OliverBooth/Data/Web/ProgrammingLanguage.cs

@@ -1,3 +1,5 @@
+using OliverBooth.Common.Data.Web;
+
 namespace OliverBooth.Data.Web;
 
 /// <inheritdoc cref="IProgrammingLanguage" />

OliverBooth/Data/Web/Project.cs

@@ -1,3 +1,5 @@
+using OliverBooth.Common.Data.Web;
+
 namespace OliverBooth.Data.Web;
 
 /// <summary>

OliverBooth/Data/Web/Template.cs

@@ -1,3 +1,5 @@
+using OliverBooth.Common.Data.Web;
+
 namespace OliverBooth.Data.Web;
 
 /// <summary>

OliverBooth/Data/Web/TutorialArticle.cs

@@ -1,4 +1,6 @@
 using System.ComponentModel.DataAnnotations.Schema;
+using OliverBooth.Common.Data;
+using OliverBooth.Common.Data.Web;
 
 namespace OliverBooth.Data.Web;
 

OliverBooth/Data/Web/TutorialFolder.cs

@@ -1,3 +1,6 @@
+using OliverBooth.Common.Data;
+using OliverBooth.Common.Data.Web;
+
 namespace OliverBooth.Data.Web;
 
 /// <summary>

OliverBooth/Extensions/HtmlUtility.cs

@@ -1,8 +1,8 @@
 using System.Web;
 using Cysharp.Text;
-using OliverBooth.Data.Blog;
-using OliverBooth.Data.Web;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Extensions;
 

OliverBooth/Markdown/Template/CodeSnippetTemplateRenderer.cs

@@ -1,8 +1,9 @@
 using System.Diagnostics;
 using System.Text;
 using Markdig;
-using OliverBooth.Data.Web;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
+using OliverBooth.Extensions.Markdig.Markdown.Template;
 
 namespace OliverBooth.Markdown.Template;
 

OliverBooth/Markdown/Template/CustomTemplateRenderer.cs

@@ -1,5 +1,6 @@
 using Microsoft.EntityFrameworkCore;
 using OliverBooth.Data.Web;
+using OliverBooth.Extensions.Markdig.Markdown.Template;
 
 namespace OliverBooth.Markdown.Template;
 

OliverBooth/OliverBooth.csproj

@@ -30,11 +30,8 @@
         <PackageReference Include="Alexinea.Extensions.Configuration.Toml" Version="7.0.0"/>
         <PackageReference Include="AspNetCore.ReCaptcha" Version="1.8.1"/>
         <PackageReference Include="BCrypt.Net-Core" Version="1.6.0"/>
-        <PackageReference Include="HtmlAgilityPack" Version="1.11.59"/>
-        <PackageReference Include="Humanizer.Core" Version="2.14.1"/>
         <PackageReference Include="MailKit" Version="4.4.0"/>
         <PackageReference Include="MailKitSimplified.Sender" Version="2.9.0"/>
-        <PackageReference Include="Markdig" Version="0.36.2"/>
         <PackageReference Include="Microsoft.AspNetCore.Components.Web" Version="8.0.3"/>
         <PackageReference Include="Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation" Version="8.0.3"/>
         <PackageReference Include="Microsoft.Extensions.FileProviders.Embedded" Version="8.0.3"/>
@@ -48,7 +45,11 @@
         <PackageReference Include="SmartFormat.NET" Version="3.3.2"/>
         <PackageReference Include="X10D" Version="3.3.1"/>
         <PackageReference Include="X10D.Hosting" Version="3.3.1"/>
-        <PackageReference Include="ZString" Version="2.5.1"/>
+    </ItemGroup>
+
+    <ItemGroup>
+        <ProjectReference Include="..\OliverBooth.Common\OliverBooth.Common.csproj"/>
+        <ProjectReference Include="..\OliverBooth.Extensions.Markdig\OliverBooth.Extensions.Markdig.csproj"/>
     </ItemGroup>
 
 </Project>

OliverBooth/Pages/Blog/Article.cshtml

@@ -1,9 +1,10 @@
 @page "/blog/{year:int}/{month:int}/{day:int}/{slug}"
 @using Humanizer
 @using Markdig
-@using OliverBooth.Data
-@using OliverBooth.Data.Blog
-@using OliverBooth.Services
+@using Microsoft.AspNetCore.Mvc.TagHelpers
+@using OliverBooth.Common.Data
+@using OliverBooth.Common.Data.Blog
+@using OliverBooth.Common.Services
 @inject IBlogPostService BlogPostService
 @inject MarkdownPipeline MarkdownPipeline
 @model Article

OliverBooth/Pages/Blog/Article.cshtml.cs

@@ -1,8 +1,8 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 using Microsoft.Extensions.Primitives;
-using OliverBooth.Data.Blog;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Services;
 using BC = BCrypt.Net.BCrypt;
 
 namespace OliverBooth.Pages.Blog;

OliverBooth/Pages/Blog/Index.cshtml

@@ -1,13 +1,13 @@
 @page
 @using Humanizer
-@using OliverBooth.Data.Mastodon
-@using OliverBooth.Services
+@using OliverBooth.Common.Data.Mastodon
+@using OliverBooth.Common.Services
 @model Index
 @inject IMastodonService MastodonService
 
 @{
     ViewData["Title"] = "Blog";
-    MastodonStatus latestStatus = MastodonService.GetLatestStatus();
+    IMastodonStatus latestStatus = MastodonService.GetLatestStatus();
 }
 
 <div class="card text-center mastodon-update-card">
@@ -18,16 +18,22 @@
             switch (attachment.Type)
             {
                 case AttachmentType.Audio:
-                    <p><audio controls="controls" src="@attachment.Url"></audio></p>
+                    <p>
+                        <audio controls="controls" src="@attachment.Url"></audio>
+                    </p>
                     break;
 
                 case AttachmentType.Video:
-                    <p><video controls="controls" class="figure-img img-fluid" src="@attachment.Url"></video></p>
+                    <p>
+                        <video controls="controls" class="figure-img img-fluid" src="@attachment.Url"></video>
+                    </p>
                     break;
 
                 case AttachmentType.Image:
                 case AttachmentType.GifV:
-                    <p><img class="figure-img img-fluid" src="@attachment.Url"></p>
+                    <p>
+                        <img class="figure-img img-fluid" src="@attachment.Url">
+                    </p>
                     break;
             }
         }

OliverBooth/Pages/Blog/Index.cshtml.cs

@@ -1,7 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
-using OliverBooth.Data.Blog;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Pages.Blog;
 

OliverBooth/Pages/Blog/RawArticle.cshtml.cs

@@ -1,8 +1,8 @@
 using Cysharp.Text;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
-using OliverBooth.Data.Blog;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Pages.Blog;
 

OliverBooth/Pages/Books.cshtml

@@ -1,5 +1,5 @@
 @page
-@using OliverBooth.Data.Web
+@using OliverBooth.Common.Data.Web
 @model OliverBooth.Pages.Books
 @{
     ViewData["Title"] = "Reading List";

OliverBooth/Pages/Books.cshtml.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc.RazorPages;
-using OliverBooth.Data.Web;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Pages;
 

OliverBooth/Pages/Contact/Blacklist.cshtml

@@ -1,6 +1,7 @@
 @page
-@using OliverBooth.Data.Web
-@using OliverBooth.Services
+@using Microsoft.AspNetCore.Mvc.TagHelpers
+@using OliverBooth.Common.Data.Web
+@using OliverBooth.Common.Services
 @inject IContactService ContactService
 @{
     ViewData["Title"] = "Blacklist";

OliverBooth/Pages/Contact/Index.cshtml

@@ -1,4 +1,5 @@
 @page
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 @{
     ViewData["Title"] = "Contact";
 }

OliverBooth/Pages/Contact/Result.cshtml

@@ -1,4 +1,5 @@
 @page
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 @model OliverBooth.Pages.Contact.Result
 
 @{

OliverBooth/Pages/Index.cshtml

@@ -1,4 +1,5 @@
 @page
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 
 <main class="container">
     <div class="row align-items-center mb-3">

OliverBooth/Pages/Privacy/FiveOClockSomewhere.cshtml

@@ -1,4 +1,5 @@
 @page "/privacy/five-oclock-somewhere"
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 @{
     ViewData["Title"] = "It's 5 O'Clock Somewhere Privacy Policy";
 }

OliverBooth/Pages/Privacy/GooglePlay.cshtml

@@ -1,4 +1,5 @@
 @page "/privacy/google-play"
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 @{
     ViewData["Title"] = "Google Play Privacy Policy";
 }

OliverBooth/Pages/Privacy/Index.cshtml

@@ -1,4 +1,5 @@
 @page
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 @{
     ViewData["Title"] = "Privacy Policy";
 }

OliverBooth/Pages/Projects/Index.cshtml

@@ -1,6 +1,7 @@
 @page
-@using OliverBooth.Data.Web
-@using OliverBooth.Services
+@using Microsoft.AspNetCore.Mvc.TagHelpers
+@using OliverBooth.Common.Data.Web
+@using OliverBooth.Common.Services
 @inject IProjectService ProjectService
 @{
     ViewData["Title"] = "Projects";

OliverBooth/Pages/Projects/Project.cshtml

@@ -1,7 +1,8 @@
 @page "/project/{slug}"
 @using Markdig
-@using OliverBooth.Data.Web
-@using OliverBooth.Services
+@using Microsoft.AspNetCore.Mvc.TagHelpers
+@using OliverBooth.Common.Data.Web
+@using OliverBooth.Common.Services
 @model Project
 @inject IProjectService ProjectService
 @inject MarkdownPipeline MarkdownPipeline

OliverBooth/Pages/Projects/Project.cshtml.cs

@@ -1,6 +1,6 @@
 using Microsoft.AspNetCore.Mvc.RazorPages;
-using OliverBooth.Data.Web;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Pages.Projects;
 

OliverBooth/Pages/Shared/_Layout.cshtml

@@ -1,7 +1,8 @@
-@using OliverBooth.Data.Blog
-@using OliverBooth.Data.Web
+@using Microsoft.AspNetCore.Mvc.TagHelpers
+@using OliverBooth.Common.Data.Blog
+@using OliverBooth.Common.Data.Web
+@using OliverBooth.Common.Services
 @using OliverBooth.Extensions
-@using OliverBooth.Services
 @inject IBlogPostService BlogPostService
 @inject ITutorialService TutorialService
 @{

OliverBooth/Pages/Shared/_MinimalLayout.cshtml

@@ -1,3 +1,4 @@
+@using Microsoft.AspNetCore.Mvc.TagHelpers
 <!DOCTYPE html>
 <html lang="en" data-bs-theme="dark">
 <head>

OliverBooth/Pages/Tutorials/Article.cshtml

@@ -2,10 +2,10 @@
 @using Humanizer
 @using Markdig
 @using Microsoft.AspNetCore.Mvc.TagHelpers
-@using OliverBooth.Data
-@using OliverBooth.Data.Blog
-@using OliverBooth.Data.Web
-@using OliverBooth.Services
+@using OliverBooth.Common.Data
+@using OliverBooth.Common.Data.Blog
+@using OliverBooth.Common.Data.Web
+@using OliverBooth.Common.Services
 @inject ITutorialService TutorialService
 @inject MarkdownPipeline MarkdownPipeline
 @model Article

OliverBooth/Pages/Tutorials/Article.cshtml.cs

@@ -1,7 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
-using OliverBooth.Data.Web;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Pages.Tutorials;
 

OliverBooth/Pages/Tutorials/Index.cshtml

@@ -1,8 +1,9 @@
 @page "/tutorials/{**slug}"
 @using System.Text
-@using OliverBooth.Data
-@using OliverBooth.Data.Web
-@using OliverBooth.Services
+@using Microsoft.AspNetCore.Mvc.TagHelpers
+@using OliverBooth.Common.Data
+@using OliverBooth.Common.Data.Web
+@using OliverBooth.Common.Services
 @model Index
 @inject ITutorialService TutorialService
 @{

OliverBooth/Pages/Tutorials/Index.cshtml.cs

@@ -1,7 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
-using OliverBooth.Data.Web;
-using OliverBooth.Services;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 
 namespace OliverBooth.Pages.Tutorials;
 

OliverBooth/Program.cs

@@ -1,11 +1,12 @@
 using AspNetCore.ReCaptcha;
 using Markdig;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Blog;
 using OliverBooth.Data.Web;
 using OliverBooth.Extensions;
+using OliverBooth.Extensions.Markdig;
+using OliverBooth.Extensions.Markdig.Services;
 using OliverBooth.Markdown;
-using OliverBooth.Markdown.Callout;
-using OliverBooth.Markdown.Template;
 using OliverBooth.Markdown.Timestamp;
 using OliverBooth.Services;
 using Serilog;
@@ -25,7 +26,7 @@ builder.Logging.AddSerilog();
 
 builder.Services.AddSingleton(provider => new MarkdownPipelineBuilder()
     .Use<TimestampExtension>()
-    .Use(new TemplateExtension(provider.GetRequiredService<ITemplateService>()))
+    .UseTemplates(provider.GetRequiredService<ITemplateService>())
 
     // we have our own "alert blocks"
     .UseCallouts()

OliverBooth/Services/BlogPostService.cs

@@ -2,7 +2,9 @@ using System.Diagnostics.CodeAnalysis;
 using Humanizer;
 using Markdig;
 using Microsoft.EntityFrameworkCore;
-using OliverBooth.Data;
+using OliverBooth.Common.Data;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Blog;
 
 namespace OliverBooth.Services;

OliverBooth/Services/BlogUserService.cs

@@ -1,6 +1,8 @@
 using System.Collections.Concurrent;
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.EntityFrameworkCore;
+using OliverBooth.Common.Data.Blog;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Blog;
 
 namespace OliverBooth.Services;

OliverBooth/Services/CodeSnippetService.cs

@@ -1,5 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
 using Microsoft.EntityFrameworkCore;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Web;
 
 namespace OliverBooth.Services;

OliverBooth/Services/ContactService.cs

@@ -1,4 +1,6 @@
 using Microsoft.EntityFrameworkCore;
+using OliverBooth.Common.Data.Web;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Web;
 
 namespace OliverBooth.Services;

OliverBooth/Services/MastodonService.cs

@@ -1,6 +1,8 @@
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using HtmlAgilityPack;
+using OliverBooth.Common.Data.Mastodon;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Mastodon;
 
 namespace OliverBooth.Services;
@@ -21,7 +23,7 @@ internal sealed class MastodonService : IMastodonService
     }
 
     /// <inheritdoc />
-    public MastodonStatus GetLatestStatus()
+    public IMastodonStatus GetLatestStatus()
     {
         string token = Environment.GetEnvironmentVariable("MASTODON_TOKEN") ?? string.Empty;
         string account = Environment.GetEnvironmentVariable("MASTODON_ACCOUNT") ?? string.Empty;

OliverBooth/Services/ProgrammingLanguageService.cs

@@ -1,21 +1,9 @@
 using Microsoft.EntityFrameworkCore;
+using OliverBooth.Common.Services;
 using OliverBooth.Data.Web;
 
 namespace OliverBooth.Services;
 
-/// <summary>
-///     Represents a service which can perform programming language lookup.
-/// </summary>
-public interface IProgrammingLanguageService
-{
-    /// <summary>
-    ///     Returns the human-readable name of a language.
-    /// </summary>
-    /// <param name="alias">The alias of the language.</param>
-    /// <returns>The human-readable name, or <paramref name="alias" /> if the name could not be found.</returns>
-    string GetLanguageName(string alias);
-}
-
 /// <inheritdoc />
 internal sealed class ProgrammingLanguageService : IProgrammingLanguageService
 {