Files
yes.blog/Yes.Application/Admins/Articles/UpdateDraftCommandHandler.cs
2025-05-11 00:09:36 +08:00

63 lines
2.0 KiB
C#

namespace Yes.Application.Admins.Articles
{
public record UpdateDraftCommand(
int Id,
int CategoryId,
string Title,
string? Slug,
string Content,
string? CoverUrl,
string? Summary,
List<string> Tags
) : IRequest<UpdateDraftCommandResponse>;
public record UpdateDraftCommandResponse(int Id);
public class UpdateDraftCommandHandler(BlogDbContext db, IIdentityContext identity) : IRequestHandler<UpdateDraftCommand, UpdateDraftCommandResponse>
{
private readonly BlogDbContext _db = db;
private readonly IIdentityContext _identity = identity;
public async Task<UpdateDraftCommandResponse> Handle(UpdateDraftCommand request, CancellationToken cancellationToken)
{
var userId = _identity.Id;
var author = await _db.Users.FindAsync(userId);
var authorObject = ValueObject<UserEntity>.Create(userId, author);
var category = await _db.Categories.FindAsync(request.CategoryId);
var categoryObject = ValueObject<CategoryEntity>.Create(request.CategoryId, category);
var article = await _db.Articles.FindAsync(request.Id);
if (article == null)
{
throw new ArticleNotExistsException(request.Id);
}
var identityUser = await _db.Users.FindAsync(_identity.Id);
if (identityUser == null)
{
throw new UserNotExistsException(_identity.Id);
}
if (!identityUser.IsSystemUser())
{
if (article.UserId != identityUser.Id)
{
throw new AccessDeniedException();
}
}
article.UpdateDraft(request.Title, request.Content, request.Summary, request.Tags, request.Slug, request.CoverUrl, authorObject, categoryObject);
_db.Articles.Update(article);
await _db.SaveChangesAsync();
return new UpdateDraftCommandResponse(request.Id);
}
}
}