public async Task <ActionResult <IEnumerable <ItemStats> > > GetMarketPricesAndStats()
{
IEnumerable <ItemFromDb> itemsFromDatabase = JsonSerializer.Deserialize <IEnumerable <ItemFromDb> >(
TempData["itemsFromDatabase"].ToString()
);
IEnumerable <MarketPrices> marketPrices = await _ebayAPIProvider.RetrieveMarketPrices(
itemsFromDatabase.Select(item => item.Name)
);
IEnumerable <StatsInput> statsInputs = itemsFromDatabase.Select(itemFromDb => new StatsInput()
{
ItemName = itemFromDb.Name,
PurchasePrice = itemFromDb.Price,
MarketPrices = marketPrices.FirstOrDefault(itemFromAPI => itemFromAPI.Name == itemFromDb.Name).Prices
});
IEnumerable <ItemStats> itemStats = _statsService.CalculateMarketPriceAndGainLoss(statsInputs);
return(Ok(itemStats));
}
