public async Task <double> GetTrolleyTotalsAsync(string jsonBody)
{
ProductAPIRequests productAPIRequests = new ProductAPIRequests();
return(await Task.Run(() =>
{
return productAPIRequests.GetTrolleyTotals(jsonBody);
}));
}
public async Task <IEnumerable <Product> > GetProductsSortedAsync(string sortOption)
{
IEnumerable <Product> products = Enumerable.Empty <Product>();
IEnumerable <ShopperHistory> shopperHistory = Enumerable.Empty <ShopperHistory>();
ProductAPIRequests productAPIRequests = new ProductAPIRequests();
//get products
if (sortOption == "recommended")
{
shopperHistory = await productAPIRequests.GetShopperHistoryAsync();
products = shopperHistory.SelectMany(sh => sh.Products)
.GroupBy(p => p.Name)
.Select(g => new Product
{
Name = g.First().Name,
Price = g.First().Price,
Quantity = g.Sum(p => p.Quantity)
}).OrderByDescending(p => p.Quantity);
}
else
{
products = await productAPIRequests.GetProductsAsync();
//sort high
switch (sortOption)
{
case "high":
products = products.OrderByDescending(p => p.Price);
break;
case "low":
products = products.OrderBy(p => p.Price);
break;
case "descending":
products = products.OrderByDescending(p => p.Name);
break;
case "ascending":
products = products.OrderBy(p => p.Name);
break;
default:
products = null;
break;
}
}
return(products);
}