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Katerina881 2023-04-03 16:31:44 +04:00
parent e95c311912
commit b5775f0abb
6 changed files with 116 additions and 19 deletions
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2
build.gradle
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@ -13,6 +13,8 @@ repositories {
}
dependencies {
// https://mvnrepository.com/artifact/commons-io/commons-io
implementation group: 'commons-io', name: 'commons-io', version: '2.6'
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'com.h2database:h2:2.1.210'

3
src/main/java/ru/ulstu/is/sbapp/HardwareShop/models/Category.java
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@ -10,9 +10,6 @@ public class Category {
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@OneToMany(mappedBy = "category")
private List<Product> productList;
@Column
private String name;

3
src/main/java/ru/ulstu/is/sbapp/HardwareShop/models/Manufacturer.java
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@ -10,7 +10,8 @@ public class Manufacturer {
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@ManyToMany(mappedBy = "manufacturerList")
@ManyToMany(fetch = FetchType.EAGER,
mappedBy = "manufacturerList")
private List<Product> productList;
@Column

19
src/main/java/ru/ulstu/is/sbapp/HardwareShop/models/Product.java
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@ -1,5 +1,8 @@
package ru.ulstu.is.sbapp.HardwareShop.models;
import org.hibernate.annotations.LazyCollection;
import org.hibernate.annotations.LazyCollectionOption;
import java.util.List;
import java.util.Objects;
import javax.persistence.*;
@ -11,17 +14,22 @@ public class Product {
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@ManyToOne(fetch = FetchType.LAZY)
@ManyToOne
@LazyCollection(LazyCollectionOption.FALSE)
@JoinColumn(name = "category_id")
private Category category;
@ManyToMany
@ManyToMany(fetch = FetchType.EAGER)
@JoinTable(name = "products_manufacturers",
joinColumns = @JoinColumn(name = "product_fk"),
inverseJoinColumns = @JoinColumn(name = "manufacturer_fk"))
private List<Manufacturer> manufacturerList;
@Lob
@Column(name = "photo", columnDefinition="BLOB")
private byte[] photo;
@Column
private Integer price;
@ -29,15 +37,20 @@ public class Product {
}
public Product(Integer price)
public Product(Integer price, byte[] photo)
{
this.price = price;
this.photo = photo;
}
public Long getId() { return id; }
public Integer getPrice() { return price; }
public byte[] getPhoto() { return photo; }
public void setPhoto(byte[] photo) { this.photo = photo; }
public void setPrice(Integer price) { this.price = price; }
public List<Manufacturer> getManufacturerList() { return manufacturerList; }

39
src/main/java/ru/ulstu/is/sbapp/HardwareShop/services/ProductService.java
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@ -1,14 +1,26 @@
package ru.ulstu.is.sbapp.HardwareShop.services;
import org.apache.commons.io.IOCase;
import org.apache.commons.io.IOUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;
import ru.ulstu.is.sbapp.HardwareShop.models.Category;
import ru.ulstu.is.sbapp.HardwareShop.models.Manufacturer;
import ru.ulstu.is.sbapp.HardwareShop.models.Product;
import javax.imageio.ImageIO;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import javax.persistence.PersistenceContext;
import javax.persistence.Temporal;
import org.springframework.transaction.annotation.Transactional;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.List;
@Service
@ -16,12 +28,25 @@ public class ProductService {
@PersistenceContext
private EntityManager em;
private byte[] PhotoToByte(String path) {
try {
BufferedImage bImage = ImageIO.read(new File(path));
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
ImageIO.write(bImage, "png", byteArrayOutputStream );
byte [] data = byteArrayOutputStream.toByteArray();
return data;
}
catch (Exception e) {
return null;
}
}
@Transactional
public Product addProduct(Integer price) {
public Product addProduct(Integer price, String path) {
if (price == 0) {
throw new IllegalArgumentException("Product price equal 0");
}
final Product product = new Product(price);
final Product product = new Product(price, PhotoToByte(path));
em.persist(product);
return product;
}
@ -63,6 +88,16 @@ public class ProductService {
em.createQuery("delete from Product").executeUpdate();
}
@Transactional
public void addCategoryToProduct(Long id, Category category) {
final Product product = findProduct(id);
if (product == null) {
throw new IllegalArgumentException("Product with id " + id + " not found");
}
product.addCategory(category);
em.merge(product);
}
@Transactional
public void addManufacturersToProduct(Long id, Manufacturer manufacturer) {
final Product product = findProduct(id);

69
src/test/java/ru/ulstu/is/sbapp/JpaProductTests.java
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@ -1,5 +1,6 @@
package ru.ulstu.is.sbapp;
import org.apache.commons.io.IOUtils;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
@ -7,11 +8,14 @@ import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import ru.ulstu.is.sbapp.HardwareShop.models.Category;
import ru.ulstu.is.sbapp.HardwareShop.models.Manufacturer;
import ru.ulstu.is.sbapp.HardwareShop.services.ManufacturerService;
import ru.ulstu.is.sbapp.HardwareShop.services.CategoryService;
import ru.ulstu.is.sbapp.HardwareShop.models.Product;
import ru.ulstu.is.sbapp.HardwareShop.services.ProductService;
import javax.persistence.EntityNotFoundException;
import java.io.InputStream;
import java.util.List;
@SpringBootTest
@ -24,18 +28,32 @@ public class JpaProductTests {
@Autowired
private CategoryService categoryService;
@Autowired
private ManufacturerService manufacturerService;
String path = "C:\\Users\\user\\Desktop\\IP_Aleikin_PIbd-22(ver 2)\\IP_Aleikin_PIbd-22\\src\\test\\java\\ru\\ulstu\\is\\sbapp\\photo.png";
@Test
void testProductCreate() {
productService.deleteAllProducts();
final Product product = productService.addProduct(15000);
final Product product = productService.addProduct(15000, path);
log.info(product.toString());
Assertions.assertNotNull(product.getId());
}
@Test
void testProductHasPhoto() {
productService.deleteAllProducts();
Product product = productService.addProduct(15000, path);
log.info(product.toString());
product = productService.findProduct(product.getId());
Assertions.assertNotEquals(product.getPhoto().length, 0);
}
@Test
void testProductRead() {
productService.deleteAllProducts();
final Product product = productService.addProduct(15000);
final Product product = productService.addProduct(15000, path);
log.info(product.toString());
final Product findProduct = productService.findProduct(product.getId());
log.info(findProduct.toString());
@ -51,8 +69,8 @@ public class JpaProductTests {
@Test
void testProductReadAll() {
productService.deleteAllProducts();
productService.addProduct(15000);
productService.addProduct(20000);
productService.addProduct(15000, path);
productService.addProduct(20000, path);
final List<Product> productList = productService.findAllProducts();
log.info(productList.toString());
Assertions.assertEquals(productList.size(), 2);
@ -69,22 +87,53 @@ public class JpaProductTests {
@Test
void testProductUpdate() {
productService.deleteAllProducts();
final Product product = productService.addProduct(15000);
Product product = productService.addProduct(15000, path);
log.info(product.toString());
productService.updateProduct(product.getId(), 20000);
product = productService.findProduct(product.getId());
log.info(product.toString());
Assertions.assertEquals(product.getPrice(), 20000);
}
@Test
/*@Test
void testProductAddCategory() {
productService.deleteAllProducts();
final Product product = productService.addProduct(15000);
final Category category = categoryService.addCategory("Электроника");
product.addCategory(category);
Product product = productService.addProduct(15000);
Category category = categoryService.addCategory("Электроника");
productService.addCategoryToProduct(product.getId(), category);
product = productService.findProduct(product.getId());
category = categoryService.findCategory(category.getId());
log.info(product.toString() + product.getCategory().getName());
log.info(category.getProductList().toString());
Assertions.assertEquals(product.getCategory().getName(), "Электроника");
productService.deleteAllProducts();
categoryService.deleteAllCategories();
}*/
@Test
void testProductAddManufacturer() {
productService.deleteAllProducts();
Product product = productService.addProduct(15000, path);
Manufacturer manufacturer = manufacturerService.addManufacturer("Sony", "ул.Камышинская 107");
productService.addManufacturersToProduct(product.getId(), manufacturer);
product = productService.findProduct(product.getId());
log.info(product.toString() + product.getManufacturerList());
manufacturer = manufacturerService.findManufacturer(manufacturer.getId());
log.info(manufacturer.getProductList().toString());
Assertions.assertEquals(product.getManufacturerList().size(), 1);
manufacturerService.deleteAllManufacturers();
}
@Test
void testProductRemoveManufacturer() {
productService.deleteAllProducts();
Product product = productService.addProduct(15000, path);
final Manufacturer manufacturer = manufacturerService.addManufacturer("Sony", "ул.Камышинская 107");
productService.addManufacturersToProduct(product.getId(), manufacturer);
product = productService.findProduct(product.getId());
log.info(product.toString() + product.getManufacturerList());
productService.removeManufacturersToProduct(product.getId(), manufacturer);
product = productService.findProduct(product.getId());
Assertions.assertEquals(product.getManufacturerList().size(), 0);
manufacturerService.deleteAllManufacturers();
}
}