using System.Linq; using System.Threading.Tasks; using Microsoft.AspNetCore.Mvc; using Microsoft.AspNetCore.Mvc.RazorPages; using Microsoft.EntityFrameworkCore; using Snootalogue.Data; using Snootalogue.Models; using Snootalogue.ViewModels; namespace Snootalogue.Pages.Documents { public class EditModel : PageModel { private readonly SnootalogueContext _context; [BindProperty] public EditDocument ed { get; set; } public EditModel(SnootalogueContext context) { _context = context; } public async Task OnGetAsync(int? id) { if (id == null) { return NotFound(); } var Document = await _context.Document.FirstOrDefaultAsync(d => d.ID == id); if (Document == null) { return NotFound(); } ed = new EditDocument { ID = Document.ID, Title = Document.Title, Authors = Document.Authors, Category = Document.Category, Tags = Document.Tags, Read = Document.Read }; return Page(); } public async Task OnPostAsync() { if (!ModelState.IsValid) { return Page(); } Document d = _context.Document.First(d => d.ID == ed.ID); d.Title = ed.Title; d.Category = ed.Category; d.Notes = ed.Notes; d.Read = ed.Read; _context.Attach(d).State = EntityState.Modified; try { await _context.SaveChangesAsync(); } catch (DbUpdateConcurrencyException e) { // TODO: handle it like https://github.com/dotnet/AspNetCore.Docs/blob/master/aspnetcore/tutorials/razor-pages/razor-pages-start/sample/RazorPagesMovie30/Pages/Movies/Edit.cshtml.cs#L56 throw e; } return RedirectToPage("/Index"); } } }