oliverbooth.dev/OliverBooth/Pages/Blog/Index.cshtml.cs

73 lines
2.1 KiB
C#

using Humanizer;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.EntityFrameworkCore;
using OliverBooth.Data;
using OliverBooth.Data.Blog;
namespace OliverBooth.Pages.Blog;
public class Index : PageModel
{
private readonly IDbContextFactory<BlogContext> _dbContextFactory;
public Index(IDbContextFactory<BlogContext> dbContextFactory)
{
_dbContextFactory = dbContextFactory;
}
public IReadOnlyCollection<BlogPost> BlogPosts { get; private set; } = ArraySegment<BlogPost>.Empty;
public string SanitizeContent(string content)
{
content = content.Replace("<!--more-->", string.Empty);
while (content.Contains("\n\n"))
{
content = content.Replace("\n\n", "\n");
}
return Markdig.Markdown.ToHtml(content.Trim());
}
public string TrimContent(string content, out bool trimmed)
{
ReadOnlySpan<char> span = content.AsSpan();
int moreIndex = span.IndexOf("<!--more-->", StringComparison.Ordinal);
trimmed = moreIndex != -1 || span.Length > 256;
return moreIndex != -1 ? span[..moreIndex].Trim().ToString() : content.Truncate(256);
}
public Author? GetAuthor(BlogPost post)
{
using BlogContext context = _dbContextFactory.CreateDbContext();
return context.Authors.FirstOrDefault(a => a.Id == post.AuthorId);
}
public IActionResult OnGet([FromQuery(Name = "p")] int? postId = null)
{
using BlogContext context = _dbContextFactory.CreateDbContext();
if (postId is null)
{
BlogPosts = context.BlogPosts.ToArray();
return Page();
}
BlogPost? post = context.BlogPosts.FirstOrDefault(p => p.WordPressId == postId);
if (post is not null)
{
var route = new
{
year = post.Published.Year,
month = post.Published.Month,
day = post.Published.Day,
slug = post.Slug
};
return Redirect(Url.Page("/Blog/Article", route)!);
}
return NotFound();
}
}