style: improve layout of blog/article

OliverBooth/Pages/Blog/Article.cshtml

@@ -1,9 +1,32 @@
 @page "/blog/{year:int}/{month:int}/{day:int}/{slug}"
+@using Humanizer
 @model OliverBooth.Pages.Blog.Article
 
 @if (Model.Post is { } post)
 {
+    <nav style="--bs-breadcrumb-divider: '>';" aria-label="breadcrumb">
+        <ol class="breadcrumb">
+            <li class="breadcrumb-item">
+                <a asp-page="/blog/index">Blog</a>
+            </li>
+            <li class="breadcrumb-item active" aria-current="page">@post.Title</li>
+        </ol>
+    </nav>
+
     <h1>@post.Title</h1>
-    <p class="text-muted">@post.Published.ToString("MMMM dd, yyyy") &bull; @Model.Author?.Name</p>
+    <p class="text-muted">
+        <img class="blog-author-icon" src="https://gravatar.com/avatar/@Model.Author?.AvatarHash?s=28">
+        @Model.Author?.Name
+        &bull;
+        <abbr data-bs-toggle="tooltip" data-bs-title="@post.Published.ToString("f")">
+            @post.Published.Humanize()
+        </abbr>
+    </p>
+
+    <article>
         @Html.Raw(Model.SanitizeContent(post.Body))
+    </article>
+
+    <hr>
+
 }

OliverBooth/Pages/Blog/Article.cshtml.cs

@@ -1,4 +1,4 @@
-using Humanizer;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.RazorPages;
 using Microsoft.EntityFrameworkCore;
 using OliverBooth.Data;
@@ -15,13 +15,13 @@ public class Article : PageModel
         _dbContextFactory = dbContextFactory;
     }
 
-    public Author? Author { get; private set; }
+    public Author Author { get; private set; }
 
-    public BlogPost? Post { get; private set; }
+    public BlogPost Post { get; private set; } = new();
 
     public string SanitizeContent(string content)
     {
-        content = content.Replace("<more>", string.Empty);
+        content = content.Replace("<!--more-->", string.Empty);
 
         while (content.Contains("\n\n"))
         {
@@ -31,20 +31,22 @@ public class Article : PageModel
         return Markdig.Markdown.ToHtml(content.Trim());
     }
 
-    public void OnGet(int year, int month, string slug)
+    public IActionResult OnGet(int year, int month, int day, string slug)
     {
         using BlogContext context = _dbContextFactory.CreateDbContext();
         Post = context.BlogPosts.FirstOrDefault(p => p.Published.Year == year &&
                                                      p.Published.Month == month &&
-                                                     p.Slug == slug);
+                                                     p.Published.Day == day &&
+                                                     p.Slug == slug)!;
 
+        // ReSharper disable once ConditionIsAlwaysTrueOrFalseAccordingToNullableAPIContract
         if (Post is null)
         {
             Response.StatusCode = 404;
+            return NotFound();
         }
-        else
-        {
-            Author = context.Authors.FirstOrDefault(a => a.Id == Post.AuthorId);
-        }
+
+        Author = context.Authors.FirstOrDefault(a => a.Id == Post.AuthorId)!;
+        return Page();
     }
 }