public double?GetAverageGrade()
{
if (Reviews.Any())
{
return(Math.Round(Reviews.Average(g => g.Grade), 1));
}
else
{
return(null);
}
}
public GameDetailsViewModel(Game game)
{
var gameService = new DbService();
Game = game;
Reviews = gameService.GetReviews(game.Id);
Platforms = gameService.GetPlatforms(game.Platforms);
if (Reviews.Any())
{
AverageRating = gameService.GetAverageRating(game.Id);
}
}
public GameItemViewModel(Game game, ApplicationDbContext context)
{
var gameService = new DbService();
Game = game;
PlatformImageUrls = Game.Platforms
.Select(platform => context.Platforms.SingleOrDefault(p => p.ApiPlatformId == platform))
.Where(platformToAdd => platformToAdd != null)
.Select(p => p.ImageAddress)
.ToList();
Reviews = gameService.GetReviews(game.Id);
if (Reviews.Any())
{
AverageRating = gameService.GetAverageRating(game.Id);
}
}
public virtual bool AddReview(Review review)
{
if (Reviews == null)
{
Reviews = new Collection <Review>();
}
if (Reviews.Any(x => x.User.Id == review.User.Id))
{
return(false);
}
if (review.Like)
{
Likes++;
}
else
{
Dislikes++;
}
Reviews.Add(review);
return(true);
}