public CustomerReview GetById(string id)
{
using (ICustomerReviewRepository repository = _repositoryFactory())
{
CustomerReviewEntity entity = repository.GetCustomerReview(id);
return(entity.ToModel(AbstractTypeFactory <CustomerReview> .TryCreateInstance()));
}
}
public float Count(CustomerReviewEntity review)
{
using (var repository = _repositoryFactory())
{
var reviews = repository.GetProductReviews(review.ProductId);
float rating = (float)(reviews.Sum(c => (int)c.Rating) + (int)review.Rating) / (reviews.Length + 1);
return(rating);
}
}
public void Patch_ShouldThrowArgumentNullException_IfInputModelIsNull()
{
//arrange
var sourceEntity = randomizer.Create <CustomerReviewEntity>();
CustomerReviewEntity destinationEntity = null;
//act
Action act = () => sourceEntity.Patch(destinationEntity);
//assert
act.Should().Throw <ArgumentNullException>();
}
public void GetProductRating_ShouldBeEquals(float expected, float review1Rating, float review2Rating)
{
// arrange
var fakeProductId = "fake_product_id";
var review1 = new CustomerReviewEntity {
ProductId = fakeProductId, Rating = review1Rating
};
var review2 = new CustomerReviewEntity {
ProductId = fakeProductId, Rating = review2Rating
};
var repositoryResult = new List <CustomerReviewEntity>
{
review1,
review2
};
_repositoryFactory.Setup(repository => repository.CustomerReviews).Returns(repositoryResult.AsQueryable());
// act
var result = _customerReviewService.GetProductRating("fake_product_id");
// assert
Assert.Equal(expected, result);
}
private static CustomerReview ConvertEntityToModel(CustomerReviewEntity entity)
{
return(entity.ToModel(AbstractTypeFactory <CustomerReview> .TryCreateInstance()));
}
private void CalculateRating(ICustomerReviewRepository customerReviewRepository, CustomerReviewEntity review)
{
var reviews = customerReviewRepository
.CustomerReviews
.Where(r => r.ProductId == review.ProductId && r.Id != review.Id)
.ToList();
reviews.Add(review);
var productRatingValue = RateCalculationUtil.CalculateProductRating(reviews);
using (var productRatingRepository = _productRatingRepositoryFactory())
using (var changeTracker = GetChangeTracker(productRatingRepository))
{
var productRating = productRatingRepository.GetProductRatingByProductId(review.ProductId);
if (productRating == null)
{
productRating = AbstractTypeFactory <ProductRatingEntity> .TryCreateInstance();
productRating.ProductId = review.ProductId;
productRating.Rating = productRatingValue;
productRatingRepository.Add(productRating);
}
else
{
changeTracker.Attach(productRating);
productRating.Rating = productRatingValue;
}
CommitChanges(productRatingRepository);
}
}
