@Override
public Set<Product> getProductsBypriceFilter(Map<String, List<String>> filterParams) {
Set<Product> productsByLowPrice = new HashSet<Product>();
Set<Product> productsByHighPrice = new HashSet<Product>();
Set<String> price = filterParams.keySet();
if (price.contains("low")) {
for (String priceLow : filterParams.get("low")) {
for (Product product : listOfProducts) {
if (product.getUnitPrice().compareTo(new BigDecimal(Double.parseDouble(priceLow))) > 0) {
productsByLowPrice.add(product);
}
}
}
}
if (price.contains("high")) {
for (String priceLow : filterParams.get("high")) {
for (Product product : listOfProducts) {
if (product.getUnitPrice().compareTo(new BigDecimal(Double.parseDouble(priceLow))) < 0) {
productsByHighPrice.add(product);
}
}
}
}
productsByHighPrice.retainAll(productsByLowPrice);
return productsByHighPrice;
}
@Override
public Set<Product> getProductsByFilter(Map<String, List<String>> filterParams) {
Set<Product> productsByBrand = new HashSet<Product>();
Set<Product> productsByCategory = new HashSet<Product>();
Set<String> criterias = filterParams.keySet();
if (criterias.contains("brand")) {
for (String brandName : filterParams.get("brand")) {
for (Product product : listOfProducts) {
if (brandName.equalsIgnoreCase(product.getManufacturer())) {
productsByBrand.add(product);
}
}
}
}
if (criterias.contains("category")) {
for (String category : filterParams.get("category")) {
productsByCategory.addAll(this.getProductsByCategory(category));
}
}
if (productsByCategory.size() == 0) {
return productsByBrand;
}
productsByCategory.retainAll(productsByBrand);
return productsByCategory;
}
public Set<Product> getProductsByFilter(Map<String, List<String>> filterParams) {
// TODO Auto-generated method stub
Set<Product> productsByBrand = new HashSet<Product>();
Set<Product> productsByCategory = new HashSet<Product>();
Set<String> criterias = filterParams.keySet();
if (criterias.contains("brand")) {
for (String brandName : filterParams.get("brand")) {
for (Product product : listOfProducts) {
if (brandName.equalsIgnoreCase(product.getManufacturer())) {
productsByBrand.add(product);
}
}
}
}
if (criterias.contains("category")) {
for (String category : filterParams.get("category")) {
productsByCategory.addAll(this.getProductsByCategory(category));
}
}
// if (criterias.contains("low")) {
// for (String category : filterParams.get("category")) {
// productsByCategory.addAll(this.getProductsByCategory(category));
// }
// }
productsByCategory.retainAll(productsByBrand);
return productsByCategory;
}
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 List<Product> getProductsByCategory(String category) {
List<Product> productsByCategory = new ArrayList<Product>();
for (Product product : listOfProducts) {
if (category.equalsIgnoreCase(product.getCategory())) {
productsByCategory.add(product);
}
}
return productsByCategory;
}
@Override
public List<Product> getProductsByManufacturer(String manufacturer) {
List<Product> productsByManufacturer = new ArrayList<Product>();
for (Product product : listOfProducts) {
if (manufacturer.equalsIgnoreCase(product.getManufacturer())) {
productsByManufacturer.add(product);
}
}
return productsByManufacturer;
}
public List<Product> getProductsByManufacturer(String manufacturer) {
// TODO Auto-generated method stub
List<Product> productsByManufacturer = new ArrayList<Product>();
for (Product product : listOfProducts) {
if (manufacturer.equalsIgnoreCase(product.getManufacturer())) {
productsByManufacturer.add(product);
}
}
return productsByManufacturer;
}
public Product getProductById(String productId) {
// TODO Auto-generated method stub
Product productById = null;
for (Product product : listOfProducts) {
if (product != null
&& product.getProductId() != null
&& product.getProductId().equals(productId)) {
productById = product;
break;
}
}
if (productById == null) {
throw new ProductNotFoundException("No products found with the product id: " + productId);
}
return productById;
}
@Override
public Product getProductById(String productID) {
Product productById = null;
for (Product product : listOfProducts) {
if (product != null
&& product.getProductId() != null
&& product.getProductId().equals(productID)) {
productById = product;
break;
}
}
if (productById == null) {
throw new ProductNotFoundException("No products found withthe product id: " + productID);
}
return productById;
}
public Product getProductById(String productId) {
Product productById = null;
for (Product product : listOfProducts) {
if (product != null
&& product.getProductId() != null
&& product.getProductId().equals(productId)) {
productById = product;
break;
}
}
if (productById == null) {
throw new IllegalArgumentException("No products found with the product id: " + productId);
}
return productById;
}
/**
* Example URL: http://localhost:8080/webstore/products/add
*
* <p>Called when a POST is requested
*
* @param newProduct
* @return
*/
@RequestMapping(value = "/add", method = RequestMethod.POST)
public String processAddNewProductForm(
@ModelAttribute("newProduct") @Valid Product newProduct,
BindingResult result,
HttpServletRequest request) {
if (result.hasErrors()) {
return "addProduct";
}
String[] suppressedFields = result.getSuppressedFields();
if (suppressedFields.length > 0) {
throw new RuntimeException(
"Attempting to bind disallowed fields: "
+ StringUtils.arrayToCommaDelimitedString(suppressedFields));
}
MultipartFile productImage = newProduct.getProductImage();
MultipartFile productManual = newProduct.getProductManual();
String rootDirectory = request.getSession().getServletContext().getRealPath("/");
if (productImage != null && !productImage.isEmpty()) {
try {
productImage.transferTo(
new File(rootDirectory + "resources\\images\\" + newProduct.getProductId() + ".jpg"));
} catch (Exception e) {
throw new RuntimeException("Product Image saving failed", e);
}
}
if (productManual != null && !productManual.isEmpty()) {
try {
productManual.transferTo(
new File(rootDirectory + "resources\\pdf\\" + newProduct.getProductId() + ".pdf"));
} catch (Exception e) {
throw new RuntimeException("Product Manual saving failed", e);
}
}
productService.addProduct(newProduct);
return "redirect:/products";
}
public Set<Product> getProductsByPriceFilter(Map<String, List<String>> filterParams) {
Set<Product> productsByPriceFilter = new HashSet<Product>();
Set<String> criterias = filterParams.keySet();
if (criterias.contains("low")) {
if (criterias.contains("high")) {
String min = filterParams.get("low").get(0);
BigDecimal minMoney = new BigDecimal(min.replaceAll(",", ""));
String max = filterParams.get("high").get(0);
BigDecimal maxMoney = new BigDecimal(max.replaceAll(",", ""));
for (Product product : listOfProducts) {
if (product.getUnitPrice().compareTo(minMoney) >= 0
&& product.getUnitPrice().compareTo(maxMoney) <= 0) {
productsByPriceFilter.add(product);
}
}
}
}
return productsByPriceFilter;
}
public InMemoryProductRepository() {
Product iphone = new Product("P1234", "iPhone 5s", new BigDecimal(500));
iphone.setDescription(
"Apple iPhone 5s smartphone with 4.00-inch 640x1136 display and 8-megapixel rear camera");
iphone.setCategory("Smart Phone");
iphone.setManufacturer("Apple");
iphone.setUnitsInStock(1000);
Product laptop_dell = new Product("P1235", "Dell Inspiron", new BigDecimal(700));
laptop_dell.setDescription(
"Dell Inspiron 14-inch Laptop (Black) with 3rd Generation Intel Core processors");
laptop_dell.setCategory("Laptop");
laptop_dell.setManufacturer("Dell");
laptop_dell.setUnitsInStock(1000);
Product tablet_Nexus = new Product("P1236", "Nexus 7", new BigDecimal(300));
tablet_Nexus.setDescription(
"Google Nexus 7 is the lightest 7 inch tablet With a quad-core Qualcomm Snapdragon™ S4 Pro processor");
tablet_Nexus.setCategory("Tablet");
tablet_Nexus.setManufacturer("Google");
tablet_Nexus.setUnitsInStock(1000);
listOfProducts.add(iphone);
listOfProducts.add(laptop_dell);
listOfProducts.add(tablet_Nexus);
}
