private async Task <List <ProductModel> > GetRecommendedProductList(List <ProductModel> productList)
{
List <ProductModel> sortedProductList = new List <ProductModel>();
if ((productList != null) && (productList.Count > 0))
{
var shopperHistories = await _externalService.GetShopperHistory();
List <string> sortedProductListFromHistory = GetSortedProductListFromHistory(shopperHistories);
foreach (string ph in sortedProductListFromHistory) //add products from history
{
List <ProductModel> foundProducts = productList.FindAll(p => (p.Name == ph));
if (foundProducts != null)
{
sortedProductList.AddRange(foundProducts);
}
}
foreach (ProductModel p in productList) //add products not found from history
{
if (!sortedProductList.Exists(sp => (sp.Name == p.Name)))
{
sortedProductList.Add(p);
}
}
}
return(sortedProductList);
}
