public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var observer =
await _context.Users.SingleOrDefaultAsync(x => x.UserName == _userAccessor.GetCurrentUser());
if (observer == null)
{
throw new RestException(HttpStatusCode.NotFound, new { user = "******" });
}
var target = await _context.Users.SingleOrDefaultAsync(x => x.UserName == request.Username);
if (target == null)
{
throw new RestException(HttpStatusCode.NotFound, new { user = "******" });
}
// check if user was already following
var following =
await _context.Followings.SingleOrDefaultAsync(x =>
x.ObserverId == observer.Id && x.TargetId == target.Id);
if (following != null)
{
throw new RestException(HttpStatusCode.BadRequest, new { following = "You are already following this user" });
}
following = new UserFollowings
{
Observer = observer,
Target = target
};
_context.Followings.Add(following);
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(Unit.Value);
}
throw new Exception("Problem saving changes");
}
public async Task <FollowDto> Handle(Command request,
CancellationToken cancellationToken)
{
var observer = await _context.Users.SingleOrDefaultAsync(x =>
x.UserName == _userAccessor.GetCurrentUsername());
var target = await _context.Users.SingleOrDefaultAsync(x =>
x.UserName == request.Username);
if (target == null)
{
throw new RestException(HttpStatusCode.NotFound,
new { User = "******" });
}
var following = await _context.Followings
.FirstOrDefaultAsync(x => x.ObserverId == observer.Id &&
x.TargetId == target.Id);
if (following == null)
{
following = new UserFollowings
{
Observer = observer,
Target = target
};
_context.Followings.Add(following);
await _context.SaveChangesAsync();
}
return(new FollowDto
{
DisplayName = observer.DisplayName,
Username = observer.UserName,
Image = observer.Photos.FirstOrDefault(x => x.IsMain)?.Url,
FollowersCount = observer.Followers.Count()
});
}
public async Task <Unit> Handle(Command request, CancellationToken cancellationToken)
{
var observer =
await _context.Users.FirstOrDefaultAsync(x => x.UserName ==
_userAccessor.GetCurrentUsername());
var target = await _context.Users.FirstOrDefaultAsync(x => x.UserName ==
request.Username);
if (target == null)
{
throw new RestException(HttpStatusCode.NotFound);
}
var following = await _context.Followings.FirstOrDefaultAsync(x =>
x.ObserverId == observer.Id && x.TargetId == target.Id);
if (following == null)
{
following = new UserFollowings
{
Observer = observer,
Target = target
};
_context.Followings.Add(following);
var success = await _context.SaveChangesAsync() > 0;
if (success)
{
return(Unit.Value);
}
}
throw new Exception("Problem adding following");
}
public HomeController()
{
_context = new ApplicationDbContext();
_userFollowings = new UserFollowings(_context);
}
