public bool BuyProduct(PurchaseDetails purchase)
{
var products = _productRepo.GetAllProducts().ToList();
var customers = _customerRepo.GetAllCustomers().ToList();
if (!_purchaseservice.IsProductExists(products, purchase))
{
return(false);
// return "Selected Product not existed";
}
else if (!_purchaseservice.IsCustomerExists(customers, purchase))
{
return(false);
// return "Selected CUstomer not existed";
}
else if (!_purchaseservice.IsProductQuantityAvilable(products, purchase))
{
return(false);
// return "Selected producted already sold out";
}
_purchaseservice.CalculatePrice(customers, products, purchase);
_purchaseRepo.Addpurchase(purchase);
var product = products.Find(p => p.Id == purchase.ProductId);
product.Quantity = product.Quantity - purchase.Quantity;
_productRepo.Update(product);
return(true);
}