public IHttpActionResult SearchCustomerReviews([FromBody] CustomerReviewSearchCriteria criteria)
{
GenericSearchResult <CustomerReview> result = _customerReviewSearchService.SearchCustomerReviews(criteria);
return(Ok(result));
}
/// <summary>
/// Gets the aggregated product rating based on formula from https://habr.com/post/172065/
/// </summary>
/// <param name="productId"></param>
/// <returns></returns>
public decimal GetProductRating(string productId)
{
if (string.IsNullOrEmpty(productId))
{
throw new ArgumentNullException(nameof(productId));
}
var result = 0m;
//Read all items at once in this demo project
var searchResult = reviewSearchService.SearchCustomerReviews(new Core.Model.CustomerReviewSearchCriteria()
{
ProductIds = new string[] { productId },
HasRating = true,
});
if (searchResult != null && searchResult.TotalCount > 0)
{
var specificProductReviews = searchResult.Results.ToList();
var specificProductReviewsCount = specificProductReviews.Count;
if (specificProductReviewsCount >= MinReviewCountLimit)
{
//rating = (V*R + M*C)/(V+M)
//Where
//V – This product review count
//M – Review count limit for product to have rating
//R – Average rating for this product
//С – Average rating for all products
var specificAverage = specificProductReviews.Average(x => x.Rating);
//Getting all in one butch for now
var allReviewAverageRating = reviewSearchService.SearchCustomerReviews(new Core.Model.CustomerReviewSearchCriteria()
{
}).Results.Average(x => x.Rating);
result = (decimal)(specificProductReviewsCount * specificAverage + MinReviewCountLimit * allReviewAverageRating) / (specificProductReviewsCount + MinReviewCountLimit);
}
}
return(result);
}
public void SearchCustomerReviewsTest()
{
// Arrange
var criteria = new CustomerReviewSearchCriteria
{
IsActive = true,
ProductIds = new string[1] {
_testProductId
}
};
// Act
GenericSearchResult <CustomerReview> result = _customerReviewSearchService.SearchCustomerReviews(criteria);
// Assert
Assert.Equal(1, result.TotalCount);
}
protected override ExportableSearchResult FetchData(CustomerReviewSearchCriteria searchCriteria)
{
CustomerReview[] result;
int totalCount;
if (searchCriteria.ObjectIds.Any(x => !string.IsNullOrWhiteSpace(x)))
{
result = _customerReviewService.GetByIds(Enumerable.ToArray(searchCriteria.ObjectIds));
totalCount = result.Length;
}
else
{
var priceSearchResult = _searchService.SearchCustomerReviews(searchCriteria);
result = priceSearchResult.Results.ToArray();
totalCount = priceSearchResult.TotalCount;
}
return(new ExportableSearchResult
{
Results = ToExportable(result).ToList(),
TotalCount = totalCount,
});
}
public IHttpActionResult SearchCustomerReviews(CustomerReviewSearchCriteria criteria)
{
var result = _customerReviewSearchService.SearchCustomerReviews(criteria);
return(Ok(result));
}