public async IAsyncEnumerable <ItemDetailsOutputModel> GetItemDetails(IList <long> itemIds)
{
foreach (var id in itemIds)
{
var item = await _itemRepository.GetById(id);
var prices = await _auctionRepository.GetPricesByItemId(id);
var stats = PriceStatsHelper.GetItemPriceStats(prices);
yield return(new ItemDetailsOutputModel(item.Id, item.Name, stats));
}
}
public void ShouldGetCorrectPricesStatictics()
{
//Arrange
List <decimal> priceList = new List <decimal> {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
};
var expectedAverage = 6;
var expectedMedian = 6;
var expectedMax = 11;
var expectedMin = 1;
//Act
var result = PriceStatsHelper.GetItemPriceStats(priceList);
//Assert
result.AveragePrice.Should().Be(expectedAverage);
result.MedianPrice.Should().Be(expectedMedian);
result.MaxPrice.Should().Be(expectedMax);
result.MinPrice.Should().Be(expectedMin);
}
