private static Rating CreateRatingDto(Entities.Rating dbRating)
=> new Rating
{
Id = dbRating.Id,
RatingScore = dbRating.Score,
Comment = dbRating.Comment,
Date = dbRating.Date,
User = $"{dbRating.User.FirstName} {dbRating.User.LastName}".Trim()
};
public async Task <NewRating> RateAsync(Guid restaurantId, double score, string comment)
{
// Saves the new rating to the database.
var dbRating = new Entities.Rating
{
RestaurantId = restaurantId,
Score = score,
Comment = comment,
Date = DateTime.UtcNow,
UserId = UserId.Value
};
DataContext.Insert(dbRating);
await DataContext.SaveAsync();
// Retrieves the new average rating for the restaurant.
var averageScore = await DataContext.GetData <Entities.Rating>().Where(r => r.RestaurantId == restaurantId).AverageAsync(r => r.Score);
var result = new NewRating(restaurantId, Math.Round(averageScore, 2));
return(result);
}