public async Task <ICollection <Cart> > GetRandomCartsAsync()
{
var rand = new Random();
var searchEngine = new SimilarProductSearchEngine();
var cartSize = 5;
var victoryShopInfo = await _ctx.Shops.FirstOrDefaultAsync(s => s.Brand == ShopBrand.Victory);
var ybitanShopInfo = await _ctx.Shops.FirstOrDefaultAsync(s => s.Brand == ShopBrand.YBitan);
var coobShopInfo = await _ctx.Shops.FirstOrDefaultAsync(s => s.Brand == ShopBrand.Coob);
var result = new List <Cart>()
{
new Cart()
{
Products = new List <Product>(), Shop = victoryShopInfo
},
new Cart()
{
Products = new List <Product>(), Shop = ybitanShopInfo
},
new Cart()
{
Products = new List <Product>(), Shop = coobShopInfo
},
};
var products = await Task.WhenAll(new ProductContext().Products.Include(p => p.Shop).Where(p => p.Shop.Brand == ShopBrand.Victory).ToListAsync(),
new ProductContext().Products.Include(p => p.Shop).Where(p => p.Shop.Brand == ShopBrand.YBitan).ToListAsync(),
new ProductContext().Products.Include(p => p.Shop).Where(p => p.Shop.Brand == ShopBrand.Coob).ToListAsync());
var victoryProducts = products[0];
var ybitanProducts = products[1];
var coobProducts = products[2];
for (var i = 0; i < cartSize; i++)
{
var victoryProduct = victoryProducts[rand.Next(victoryProducts.Count)];
var ybitanProduct = searchEngine.Search(ybitanProducts, victoryProduct);
var coobProduct = searchEngine.Search(coobProducts, victoryProduct);
result[0].Products.Add(victoryProduct);
result[1].Products.Add(ybitanProduct);
result[2].Products.Add(coobProduct);
}
return(result);
}
public ProductsRepository(ProductContext ctx)
{
_ctx = ctx;
_similarSearch = new SimilarProductSearchEngine();
}