Homework 4

lesson4-jsf-bootstrap/pom.xml

@@ -49,6 +49,17 @@
             <version>2.0.SP1</version>
             <scope>provided</scope>
         </dependency>
+
+        <dependency>
+            <groupId>javax.validation</groupId>
+            <artifactId>validation-api</artifactId>
+            <version>2.0.1.Final</version>
+        </dependency>
+        <dependency>
+            <groupId>org.hibernate.validator</groupId>
+            <artifactId>hibernate-validator</artifactId>
+            <version>6.0.13.Final</version>
+        </dependency>
     </dependencies>
 
     <build>

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/CategoriesBean.java

@@ -0,0 +1,69 @@
+package ru.geekbrains.servlet;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import ru.geekbrains.servlet.entity.Category;
+import ru.geekbrains.servlet.entity.Category;
+import ru.geekbrains.servlet.repository.CategoryRepository;
+
+import javax.faces.bean.ManagedBean;
+import javax.faces.bean.SessionScoped;
+import javax.inject.Inject;
+import javax.inject.Named;
+import java.util.Collection;
+
+@Named("categories")
+@SessionScoped
+public class CategoriesBean {
+
+    private static final Logger logger = LoggerFactory.getLogger(CategoriesBean.class);
+
+    private Category category;
+
+    @Inject
+    private CategoryRepository categoryRepository;
+
+    public String getId() {
+        return category.getId();
+    }
+
+    public void setId(String id) {
+        category.setId(id);
+    }
+
+    public String getName() {
+        return category.getName();
+    }
+
+    public void setName(String name) {
+        category.setName(name);
+    }
+
+    public Collection<Category> getCategoryList() {
+        return categoryRepository.getAll();
+    }
+
+    public void deleteAction(Category category) {
+        logger.info("Delete category with id {} and name {}", category.getId(), category.getName());
+        categoryRepository.delete(category);
+    }
+
+    public String addAction() {
+        logger.info("Add category action");
+
+        category = new Category();
+        return "/category.xhtml?faces-redirect=true";
+    }
+
+    public String editAction(Category category) {
+        logger.info("Edit category with id {} and name {}", category.getId(), category.getName());
+
+        this.category = category;
+        return "/category.xhtml?faces-redirect=true";
+    }
+
+    public String saveCategory() {
+        categoryRepository.merge(category);
+        return "/categories.xhtml?faces-redirect=true";
+    }
+}

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/OrdersBean.java

@@ -0,0 +1,60 @@
+package ru.geekbrains.servlet;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import ru.geekbrains.servlet.entity.Order;
+import ru.geekbrains.servlet.repository.OrderRepository;
+
+import javax.faces.bean.ManagedBean;
+import javax.faces.bean.SessionScoped;
+import javax.inject.Inject;
+import javax.inject.Named;
+import java.util.Collection;
+
+@Named("orders")
+@SessionScoped
+public class OrdersBean {
+
+    private static final Logger logger = LoggerFactory.getLogger(OrdersBean.class);
+
+    private Order order;
+
+    @Inject
+    private OrderRepository orderRepository;
+
+    public String getId() {
+        return order.getId();
+    }
+
+    public void setId(String id) {
+        order.setId(id);
+    }
+
+    public Collection<Order> getOrderList() {
+        return orderRepository.getAll();
+    }
+
+    public void deleteAction(Order order) {
+        logger.info("Delete order with id {} and name {}", order.getId());
+        orderRepository.delete(order);
+    }
+
+    public String addAction() {
+        logger.info("Add order action");
+
+        orderRepository.merge(new Order());
+        return "/orders.xhtml?faces-redirect=true";
+    }
+
+    public String editAction(Order order) {
+        logger.info("Edit order with id {} and name {}", order.getId());
+
+        this.order = order;
+        return "/order.xhtml?faces-redirect=true";
+    }
+
+    public String saveOrder() {
+        orderRepository.merge(order);
+        return "/orders.xhtml?faces-redirect=true";
+    }
+}

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/ProductsBean.java

@@ -3,10 +3,12 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import ru.geekbrains.servlet.entity.Product;
+import ru.geekbrains.servlet.repository.ProductRepository;
 
 import javax.faces.bean.ManagedBean;
 import javax.faces.bean.SessionScoped;
 import javax.inject.Inject;
+import javax.inject.Named;
 import java.util.Collection;
 
 @ManagedBean(name = "products")
@@ -69,6 +71,6 @@ public String editAction(Product product) {
 
     public String saveProduct() {
         productRepository.merge(product);
-        return "/index.xhtml?faces-redirect=true";
+        return "/products.xhtml?faces-redirect=true";
     }
 }

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/entity/Category.java

@@ -0,0 +1,34 @@
+package ru.geekbrains.servlet.entity;
+
+import javax.validation.constraints.NotNull;
+
+public class Category {
+
+    private String id;
+
+    @NotNull
+    private String name;
+
+    public Category() {}
+
+    public Category(String id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/entity/Order.java

@@ -0,0 +1,41 @@
+package ru.geekbrains.servlet.entity;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Order {
+
+    private String id;
+    private Map<Product, Integer> orderMap;
+
+    public Order() {}
+
+    public Order(String id) {
+        this.id = id;
+        orderMap = new HashMap<>();
+    }
+
+    public void addProduct(Product product, int count) {
+        if (orderMap.containsKey(product)) {
+            orderMap.compute(product, (good, amount) -> amount + count);
+        } else {
+            orderMap.put(product, count);
+        }
+    }
+
+    public void setProductCount(Product product, int count) {
+        orderMap.put(product, count);
+    }
+
+    public void removeProduct(Product product) {
+        orderMap.remove(product);
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+}

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/entity/Product.java

@@ -1,11 +1,16 @@
 package ru.geekbrains.servlet.entity;
 
+import javax.validation.constraints.Digits;
+import javax.validation.constraints.NotNull;
+
 public class Product {
 
     private String id;
 
+    @NotNull
     private String name;
 
+    @Digits(integer = Integer.MAX_VALUE, fraction = 2)
     private int price;
 
     public Product() {

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/repository/CategoryRepository.java

@@ -0,0 +1,50 @@
+package ru.geekbrains.servlet.repository;
+
+import ru.geekbrains.servlet.entity.Category;
+
+import javax.enterprise.context.ApplicationScoped;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * Класс-заглушка для репозитория
+ * через несколько уроков мы его заменим на
+ * полноценный JPA репозиторий
+ */
+@ApplicationScoped
+public class CategoryRepository {
+
+    private AtomicInteger sequence = new AtomicInteger();
+
+    private Map<String, Category> categoryMap = Collections.synchronizedMap(new LinkedHashMap<>());
+
+    public CategoryRepository() {
+        this.merge(new Category("1", "Books"));
+        this.merge(new Category("2", "Planes"));
+        this.merge(new Category("3", "Fruits"));
+        this.merge(new Category("4", "Clothes"));
+        sequence.set(categoryMap.size());
+    }
+
+    public Collection<Category> getAll() {
+        return categoryMap.values();
+    }
+
+    public Category getById(String id) {
+        return categoryMap.get(id);
+    }
+
+    public void merge(Category category) {
+        if (category.getId() == null || !categoryMap.containsKey(category.getId())) {
+            category.setId(String.valueOf(sequence.incrementAndGet()));
+        }
+        categoryMap.put(category.getId(), category);
+    }
+
+    public void delete(Category category) {
+        categoryMap.remove(category.getId());
+    }
+}

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/repository/OrderRepository.java

@@ -0,0 +1,50 @@
+package ru.geekbrains.servlet.repository;
+
+import ru.geekbrains.servlet.entity.Order;
+
+import javax.enterprise.context.ApplicationScoped;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * Класс-заглушка для репозитория
+ * через несколько уроков мы его заменим на
+ * полноценный JPA репозиторий
+ */
+@ApplicationScoped
+public class OrderRepository {
+
+    private AtomicInteger sequence = new AtomicInteger();
+
+    private Map<String, Order> orderMap = Collections.synchronizedMap(new LinkedHashMap<>());
+
+    public OrderRepository() {
+        this.merge(new Order("1"));
+        this.merge(new Order("2"));
+        this.merge(new Order("3"));
+        this.merge(new Order("4"));
+        sequence.set(orderMap.size());
+    }
+
+    public Collection<Order> getAll() {
+        return orderMap.values();
+    }
+
+    public Order getById(String id) {
+        return orderMap.get(id);
+    }
+
+    public void merge(Order order) {
+        if (order.getId() == null || !orderMap.containsKey(order.getId())) {
+            order.setId(String.valueOf(sequence.incrementAndGet()));
+        }
+        orderMap.put(order.getId(), order);
+    }
+
+    public void delete(Order order) {
+        orderMap.remove(order.getId());
+    }
+}

lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/ProductRepository.java → lesson4-jsf-bootstrap/src/main/java/ru/geekbrains/servlet/repository/ProductRepository.java

@@ -1,4 +1,4 @@
-package ru.geekbrains.servlet;
+package ru.geekbrains.servlet.repository;
 
 import ru.geekbrains.servlet.entity.Product;
 

lesson4-jsf-bootstrap/src/main/webapp/WEB-INF/header.xhtml

@@ -16,7 +16,13 @@
                     <a class="nav-link" href="index.xhtml">Home <span class="sr-only">(current)</span></a>
                 </li>
                 <li class="nav-item">
-                    <a class="nav-link" href="cards.xhtml">Product cards</a>
+                    <a class="nav-link" href="products.xhtml">Products</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="categories.xhtml">Categories</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="orders.xhtml">Orders</a>
                 </li>
             </ul>
             <form class="form-inline my-2 my-lg-0 mr-sm-2">