public ContentVisitor(Content.Content content, Visitor visitor, Ad ad = null)
{
Content = content ?? throw new ArgumentNullException(nameof(content));
Visitor = visitor ?? throw new ArgumentNullException(nameof(visitor));
VisitedAd = DateTime.UtcNow;
Ad = ad;
visitor.AddVisit(this);
content.AddVisit(this);
}
public async Task <ArticleDto> Handle(GetArticle request, CancellationToken cancellationToken)
{
var article = await _context.Articles
.Include(a => a.Ads)
.Include(a => a.Comments)
.Include(a => a.Category)
.Include(a => a.ContentVisitors)
.SingleOrDefaultAsync(a => a.Id == request.ArticleId, cancellationToken);
var username = await _userAccessor.GetUsername();
var ipAddress = _httpContextAccessor.HttpContext.Connection.RemoteIpAddress;
if (string.IsNullOrEmpty(username))
{
var visitor = new Visitor(ipAddress.ToString());
var visit = new ContentVisitor(article, visitor);
visitor.AddVisit(visit);
await _context.Visitors.AddAsync(visitor, cancellationToken);
}
else
{
var user = await _context.Users.SingleOrDefaultAsync(u => u.Username.ToLower() == username,
cancellationToken);
if (user == null)
{
throw new ApplicationException($"Could not find such user {username}");
}
var visit = new ContentVisitor(article, user);
user.AddVisit(visit);
}
await _context.SaveChangesAsync(cancellationToken);
return(article.AsDto());
}