public void processOrder(String productId, long quantity) {
Product productById = productRepository.getProductById(productId);
if (productById.getUnitsInStock() < quantity) {
throw new IllegalArgumentException(
"Out of stock. Available units in stock" + productById.getUnitsInStock());
}
productById.setUnitsInStock(productById.getUnitsInStock() - quantity);
}
@Override
public void addProduct(Product product) {
productRepository.addProduct(product);
}
@Override
public Set<Product> getProductsBypriceFilter(Map<String, List<String>> filterParams) {
return productRepository.getProductsBypriceFilter(filterParams);
}
@Override
public List<Product> getProductsByManufacturer(String manufacturer) {
return productRepository.getProductsByManufacturer(manufacturer);
}
@Override
public List<Product> getProductsByCategory(String category) {
return productRepository.getProductsByCategory(category);
}
@Override
public Product getProductById(String productId) {
return productRepository.getProductById(productId);
}
@Override
public List<Product> getAllProducts() {
return productRepository.getAllProducts();
}