public ActionResult FavouriteList(int?page = 1)
{
var userId = db.GetUserId(User);
Expression <Func <Picture, bool> > likedExpression = x => x.Rates
.Any(r => r.Like == true && r.UserId == userId);
var pictures = GetPaigedUserRatedPictures(page.Value, likedExpression);
return(View(nameof(PictureList), pictures));
}
private void RatePicture(int pictureId, bool rate = true)
{
var userId = db.GetUserId(User);
var previousRate = db.Rates
.Where(x => x.PictureId == pictureId && x.UserId == userId)
.FirstOrDefault();
if (previousRate != null)
{
if (previousRate.Like == rate)
{
db.Rates.Remove(previousRate);
}
else
{
previousRate.Like = rate;
}
}
else
{
var newRate = new Rate
{
Like = rate,
PictureId = pictureId,
UserId = userId
};
db.Rates.Add(newRate);
}
db.SaveChanges();
}
