/// <summary>
/// Add a review and associate it with a restaurant.
/// </summary>
/// <param name="review">The review</param>
/// <param name="restaurant">The restaurant</param>
public void AddReview(Domain.Model.Review review, Domain.Model.Restaurant restaurant = null)
{
if (restaurant.Id != 0)
{
_logger.LogWarning("Review to be added has an ID ({reviewId}) already: ignoring.", review.Id);
}
_logger.LogInformation("Adding review to restaurant with ID {restaurantId}", restaurant.Id);
if (restaurant != null)
{
// get the db's version of that restaurant
// (can't use Find with Include)
Restaurant restaurantEntity = _dbContext.Restaurant
.Include(r => r.Review)
.First(r => r.Id == restaurant.Id);
Review newEntity = Mapper.Map(review);
restaurantEntity.Review.Add(newEntity);
// also, modify the parameters
restaurant.Reviews.Add(review);
}
else
{
Review newEntity = Mapper.Map(review);
_dbContext.Add(newEntity);
}
}
/// <summary>
/// Maps a restaurant business model to a DAO for Entity Framework,
/// including all reviews if present.
/// </summary>
/// <param name="restaurant">The restaurant business model.</param>
/// <returns>The restaurant DAO.</returns>
public static Model.Restaurant MapRestaurantWithReviews(Domain.Model.Restaurant restaurant)
{
return(new Model.Restaurant
{
Id = restaurant.Id,
Name = restaurant.Name,
Review = restaurant.Reviews.Select(Map).ToList()
});
}
/// <summary>
/// Update a restaurant as well as its reviews.
/// </summary>
/// <param name="restaurant">The restaurant with changed values</param>
public void UpdateRestaurant(Domain.Model.Restaurant restaurant)
{
_logger.LogInformation("Updating restaurant with ID {restaurantId}", restaurant.Id);
// calling Update would mark every property as Modified.
// this way will only mark the changed properties as Modified.
Restaurant currentEntity = _dbContext.Restaurant.Find(restaurant.Id);
Restaurant newEntity = Mapper.MapRestaurantWithReviews(restaurant);
_dbContext.Entry(currentEntity).CurrentValues.SetValues(newEntity);
}
/// <summary>
/// Add a restaurant, including any associated reviews.
/// </summary>
/// <param name="restaurant">The restaurant</param>
public void AddRestaurant(Domain.Model.Restaurant restaurant)
{
if (restaurant.Id != 0)
{
_logger.LogWarning("Restaurant to be added has an ID ({restaurantId}) already: ignoring.", restaurant.Id);
}
_logger.LogInformation("Adding restaurant");
Restaurant entity = Mapper.MapRestaurantWithReviews(restaurant);
entity.Id = 0;
_dbContext.Add(entity);
}
