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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.Mvc.Rendering;
using CoreWiki.Models;
using CoreWiki.Utils;
using NodaTime;
namespace CoreWiki.Pages
{
public class CreateModel : PageModel
{
private readonly CoreWiki.Models.ApplicationDbContext _context;
private readonly IClock _clock;
public CreateModel(CoreWiki.Models.ApplicationDbContext context, IClock clock)
{
_context = context;
_clock = clock;
}
public IActionResult OnGet()
{
return Page();
}
[BindProperty]
public Article Article { get; set; } = default!;
public async Task<IActionResult> OnPostAsync()
{
ModelState.Remove("Article.Slug");
if (!ModelState.IsValid)
{
return Page();
}
Article.Slug = SafeUrl.Create(true, Article.Topic);
Article.Published = _clock.GetCurrentInstant();
if (_context.Articles.Any(a => a.Slug == Article.Slug))
{
ModelState.AddModelError("Article.Topic", "Article already exists");
return Page();
}
_context.Articles.Add(Article);
await _context.SaveChangesAsync();
return Redirect($"/{Article.Slug}");
}
}
}
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