Готовая 3 лаба

This commit is contained in:
dimazhelovanov 2023-04-15 21:07:36 +04:00
parent 108665ee17
commit 39680b73cf
10 changed files with 845 additions and 0 deletions

View File

@ -14,6 +14,9 @@ repositories {
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'com.h2database:h2:2.1.210'
implementation 'org.springframework.data:spring-data-jpa:3.0.3'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
}

View File

@ -0,0 +1,113 @@
package ru.ulstu.is.myapp.models;
import jakarta.persistence.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
@Entity
@Table(name = "table_customer")
public class Customer {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column()
private String firstName;
private String lastName;
private String address;
private String email;
@OneToMany(mappedBy = "customer", cascade = CascadeType.ALL,fetch = FetchType.EAGER)
private List<Purchase> purchases = new ArrayList<>();
public Customer() {
}
public Customer(String firstName, String lastName, String address, String email) {
this.firstName = firstName;
this.lastName = lastName;
this.address = address;
this.email = email;
}
public Long getId() {
return id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public String getAddress() {
return address;
}
public String setAddress(String address) {
return address;
}
public String getEmail() {
return email;
}
public String setEmail(String email) {
return email;
}
public List<Purchase> getPurchases() {
return purchases;
}
public void setPurchases(List<Purchase> purchases) {
this.purchases = purchases;
}
public void addNewPurchase(Purchase purchase) {
purchases.add(purchase);
purchase.setCustomer(this);
}
public void deletePurchase(Purchase purchase) {
purchases.remove(purchase);
purchase.deleteCompany();
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Customer customer = (Customer) o;
return Objects.equals(id, customer.id);
}
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return "Customer{" +
"id=" + id +
", firstName='" + firstName + '\'' +
", lastName='" + lastName + '\'' +
", address='" + address + '\'' +
", email='" + email + '\'' +
", purchases=" + purchases +
'}';
}
}

View File

@ -0,0 +1,99 @@
package ru.ulstu.is.myapp.models;
import jakarta.persistence.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
@Entity
public class Product {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column()
private String name;
private Double price;
private String category;
@ManyToMany(mappedBy = "products", cascade = {CascadeType.REMOVE}, fetch = FetchType.EAGER)
private List<Purchase> purchases = new ArrayList<>();
public Product(){
}
public Product(String name, Double price, String category){
this.name = name;
this.price = price;
this.category = category;
}
public Long getId() {
return id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
//
public Double getPrice() {
return price;
}
public void setPrice(Double price) {
this.price = price;
}
public String getCategory() {
return category;
}
public void setCategory(String category) {
this.category = category;
}
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Product product = (Product) o;
return Objects.equals(id, product.id);
}
public List<Purchase> getPurchases() {
return purchases;
}
public void setPurchases(List<Purchase> employees) {
this.purchases = employees;
}
public void addNewPurchase(Purchase purchase) {
purchases.add(purchase);
}
public void deletePurchase(Purchase purchase) {
purchases.remove(purchase);
if (purchase.getProducts().contains(this)) {
purchase.removeProducts(this);
}
}
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return "Product{" +
"id=" + id +
", name='" + name + '\'' +
", price='" + price + '\'' +
", category='" + category + '\'' +
'}';
}
}

View File

@ -0,0 +1,101 @@
package ru.ulstu.is.myapp.models;
import jakarta.persistence.*;
import java.util.*;
@Entity
public class Purchase {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
@Column
@Temporal(TemporalType.DATE)
private Date purchase_date;
private double price;
@ManyToOne(fetch = FetchType.EAGER,cascade = CascadeType.MERGE)
private Customer customer;
@ManyToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER)
private Set<Product> products = new HashSet<>();
public Purchase(){
}
public Purchase(Date purchase_date, Double price){
this.purchase_date = purchase_date;
this.price = price;
}
public Long getId() {
return id;
}
public Date getDate() {
return purchase_date;
}
public void setDate(Date purchase_date) {
this.purchase_date = purchase_date;
}
//
public Double getPrice() {
return price;
}
public void setPrice(Double price) {
this.price = price;
}
public Customer getCustomer() {
return customer;
}
public List<Product> getProducts() {
return products.stream().toList();
}
public void addNewProduct(Product p) {
products.add(p);
if (!p.getPurchases().contains(this)) {
p.addNewPurchase(this);
}
}
public void removeProducts(Product product) {
products.remove(product);
if (product.getPurchases().contains(this)) {
product.deletePurchase(this);
}
}
public void setCustomer(Customer customer) {
this.customer = customer;
}
public void deleteCompany() {
if (customer.getPurchases().contains(this)) {
customer.deletePurchase(this);
}
this.customer = null;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Purchase p = (Purchase) o;
return Objects.equals(id, p.id);
}
@Override
public int hashCode() {
return Objects.hash(id);
}
@Override
public String toString() {
return "Purchase{" +
"Id=" + id +
", purchase_date='" + purchase_date + '\'' +
", price=" + price +
'}';
}
}

View File

@ -0,0 +1,83 @@
package ru.ulstu.is.myapp.service;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityNotFoundException;
import jakarta.persistence.PersistenceContext;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import ru.ulstu.is.myapp.models.Customer;
import ru.ulstu.is.myapp.models.Purchase;
import java.util.List;
@Service
public class CustomerService {
@PersistenceContext
private EntityManager em;
@Transactional
public Customer addCustomer(String firstName, String lastName, String address, String email) {
if (!StringUtils.hasText(firstName) || !StringUtils.hasText(lastName) || !StringUtils.hasText(address) || !StringUtils.hasText(email) ) {
throw new IllegalArgumentException("Пустое поле!");
}
final Customer customer = new Customer(firstName, lastName, address, email);
em.persist(customer);
return customer;
}
@Transactional(readOnly = true)
public Customer findCustomer(Long id) {
final Customer customer = em.find(Customer.class, id);
if (customer == null) {
throw new EntityNotFoundException(String.format("Company with id [%s] is not found", id));
}
return customer;
}
@Transactional(readOnly = true)
public List<Customer> findAllCustomers() {
return em.createQuery("select c from Customer c", Customer.class)
.getResultList();
}
@Transactional
public Customer updateCustomer(Long id, String firstName, String lastName, String address, String email) {
if (!StringUtils.hasText(firstName) || !StringUtils.hasText(lastName) || !StringUtils.hasText(address) || !StringUtils.hasText(email)) {
throw new IllegalArgumentException("Пустое поле");
}
final Customer currentCustomer = findCustomer(id);
currentCustomer.setFirstName(firstName);
currentCustomer.setLastName(lastName);
currentCustomer.setEmail(email);
currentCustomer.setAddress(address);
return em.merge(currentCustomer);
}
@Transactional
public Customer deleteCustomer(Long id) {
final Customer currentCustomer = findCustomer(id);
em.remove(currentCustomer);
return currentCustomer;
}
@Transactional
public void deleteAllCustomer() {
em.createQuery("delete from Customer").executeUpdate();
}
@Transactional
public void addNewPurchase(Long id, Purchase purchase) {
Customer currentCustomer = findCustomer(id);
currentCustomer.addNewPurchase(purchase);
em.merge(currentCustomer);
}
@Transactional
public void deletePurchase(Long id, Purchase purchase) {
Customer currentCustomer = findCustomer(id);
currentCustomer.deletePurchase(purchase);
em.merge(purchase);
}
}

View File

@ -0,0 +1,67 @@
package ru.ulstu.is.myapp.service;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityNotFoundException;
import jakarta.persistence.PersistenceContext;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import ru.ulstu.is.myapp.models.Product;
import java.util.List;
@Service
public class ProductService {
@PersistenceContext
private EntityManager em;
@Transactional
public Product addProduct(String name, Double price, String category) {
if (!StringUtils.hasText(name)||!StringUtils.hasText(price.toString())||!StringUtils.hasText(category)) {
throw new IllegalArgumentException("Employee's data is null or empty");
}
final Product product = new Product(name, price, category);
em.persist(product);
return product;
}
@Transactional
public Product findProduct(Long id) {
final Product product = em.find(Product.class, id);
if (product == null) {
throw new EntityNotFoundException(String.format("Product with id [%s] is not found", id));
}
return product;
}
@Transactional(readOnly = true)
public List<Product> findAllProducts() {
return em.createQuery("select p from Product p", Product.class)
.getResultList();
}
@Transactional
public Product updateProduct(Long id, String name, Double price, String category) {
if (!StringUtils.hasText(name)||!StringUtils.hasText(price.toString())||!StringUtils.hasText(category)) {
throw new IllegalArgumentException("Пустое поле");
}
final Product currentProduct = findProduct(id);
currentProduct.setName(name);
currentProduct.setPrice(price);
currentProduct.setCategory(category);
return em.merge(currentProduct);
}
@Transactional
public Product deleteProduct(Long id) {
final Product p = findProduct(id);
em.remove(p);
return p;
}
@Transactional
public void deleteAllProducts() {
em.createQuery("delete from Product").executeUpdate();
}
}

View File

@ -0,0 +1,111 @@
package ru.ulstu.is.myapp.service;
import jakarta.persistence.EntityManager;
import jakarta.persistence.EntityNotFoundException;
import jakarta.persistence.PersistenceContext;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import ru.ulstu.is.myapp.models.Customer;
import ru.ulstu.is.myapp.models.Product;
import ru.ulstu.is.myapp.models.Purchase;
import java.util.Date;
import java.util.List;
@Service
public class PurchaseService {
@PersistenceContext
private EntityManager em;
@Transactional
public Purchase addPurchase(Date purchase_date, Double price) {
if (!StringUtils.hasText(purchase_date.toString()) ||!StringUtils.hasText(price.toString())) {
throw new IllegalArgumentException("Пустое поле");
}
final Purchase purchase = new Purchase(purchase_date, price);
em.persist(purchase);
return purchase;
}
@Transactional
public Purchase findPurchase (Long id) {
final Purchase purchase = em.find(Purchase.class, id);
if (purchase == null) {
throw new EntityNotFoundException(String.format("Purchase with id [%s] is not found", id));
}
return purchase ;
}
@Transactional(readOnly = true)
public List<Purchase> findAllPurchases() {
return em.createQuery("select p from Purchase p", Purchase.class)
.getResultList();
}
@Transactional
public Purchase updatePurchase(Long id, Date purchase_date, Double price) {
if (!StringUtils.hasText(purchase_date.toString()) ||!StringUtils.hasText(price.toString())) {
throw new IllegalArgumentException("Пустое поле");
}
final Purchase currentPurchase = findPurchase(id);
currentPurchase.setDate(purchase_date);
currentPurchase.setPrice(price);
return em.merge(currentPurchase);
}
@Transactional
public Purchase deletePurchase(Long id) {
final Purchase purchase = findPurchase(id);
em.remove(purchase);
return purchase;
}
@Transactional
public void deleteAllPurchases() {
em.createQuery("delete from Purchase").executeUpdate();
}
@Transactional
public void addCustomer(Long id, Customer c) {
final Purchase purchase = findPurchase(id);
purchase.setCustomer(c);
em.merge(purchase);
}
@Transactional
public void deleteCustomer(Long id) {
final Purchase purchase = findPurchase(id);
purchase.deleteCompany();
em.merge(purchase);
}
@Transactional
public void addProduct(Long id, Product p) {
Purchase pur = findPurchase(id);
pur.addNewProduct(p);
em.merge(pur);
}
@Transactional
public void deleteProduct(Long id, Product p) {
Purchase pur = findPurchase(id);
pur.removeProducts(p);
em.merge(pur);
em.flush();
}
@Transactional
public List<Purchase> getPurchasesByProducts(Product p) {
List<Purchase> purchases = em.createQuery("select p from Purchase pur INNER JOIN pur.products p WHERE p.id=:product",
Purchase.class)
.setParameter("product", p.getId())
.getResultList();
for (Purchase pur : purchases) {
System.out.println(pur);
}
return purchases;
}
}

View File

@ -0,0 +1,118 @@
package ru.ulstu.is.myapp;
import jakarta.persistence.EntityNotFoundException;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import ru.ulstu.is.myapp.models.Customer;
import ru.ulstu.is.myapp.models.Purchase;
import ru.ulstu.is.myapp.service.CustomerService;
import ru.ulstu.is.myapp.service.PurchaseService;
import java.util.Date;
@SpringBootTest
public class CustomerServiceTests {
@Autowired
private CustomerService customerService;
@Autowired
private PurchaseService purchaseService;
@Test
public void testDeleteAllCustomers() {
customerService.deleteAllCustomer();
int n = 3;
for (int i = 0; i < n; i++) {
String name = "Customer" + i;
customerService.addCustomer(name, name, "address", "email"+i);
}
customerService.deleteAllCustomer();
Assertions.assertEquals(customerService.findAllCustomers().size(), 0);
}
@Test
public void testDeleteCustomer() {
customerService.deleteAllCustomer();
String name = "Customer1";
Customer c = customerService.addCustomer(name, name, "address", "email");
customerService.deleteCustomer(c.getId());
Assertions.assertThrows(EntityNotFoundException.class, () -> {customerService.findCustomer(c.getId());});
}
@Test
public void testAddCustomer() {
customerService.deleteAllCustomer();
String name = "Company1";
Customer c = customerService.addCustomer(name, name, "address", "email");
Assertions.assertNotNull(customerService.findCustomer(c.getId()));
customerService.deleteAllCustomer();
}
@Test
public void testUpdateCustomer() {
customerService.deleteAllCustomer();
String name = "Customer1";
Customer c = customerService.addCustomer(name, name, "address", "email");
String name2 = "Customer2";
customerService.updateCustomer(c.getId(), name2, name2, "fdgd", "effsd");
Assertions.assertNotNull(customerService.findCustomer(c.getId()));
customerService.deleteAllCustomer();
}
@Test
public void testFindAllCustomers() {
customerService.deleteAllCustomer();
int n = 3;
for (int i = 0; i < n; i++) {
String name = "customer" + i;
customerService.addCustomer(name, name, "address", "email2");
}
Assertions.assertEquals(customerService.findAllCustomers().size(), n);
customerService.deleteAllCustomer();
}
@Test
public void testAddPurchase() {
purchaseService.deleteAllPurchases();
customerService.deleteAllCustomer();
final String name = "Customer";
Customer c = customerService.addCustomer(name, name, "address", "email");
Purchase newPurchase = purchaseService.addPurchase(new Date(1212121212121L), 3456.00);
customerService.addNewPurchase(c.getId(), newPurchase);
Assertions.assertTrue(customerService.findCustomer(c.getId()).getPurchases().contains(newPurchase));
purchaseService.deleteAllPurchases();
customerService.deleteAllCustomer();
}
@Test
public void testDeletePurchase() {
purchaseService.deleteAllPurchases();
customerService.deleteAllCustomer();
final String name = "Company";
Customer c = customerService.addCustomer(name, name, "address", "email");
Purchase newPurchase = purchaseService.addPurchase(new Date(1212121212121L), 3567.00);
customerService.addNewPurchase(c.getId(), newPurchase);
Assertions.assertTrue(customerService.findCustomer(c.getId()).getPurchases().contains(newPurchase));
customerService.deletePurchase(c.getId(), newPurchase);
Assertions.assertFalse(customerService.findCustomer(c.getId()).getPurchases().contains(newPurchase));
purchaseService.deleteAllPurchases();
purchaseService.deleteAllPurchases();
}
}

View File

@ -0,0 +1,72 @@
package ru.ulstu.is.myapp;
import jakarta.persistence.EntityNotFoundException;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import ru.ulstu.is.myapp.models.Product;
import ru.ulstu.is.myapp.models.Purchase;
import ru.ulstu.is.myapp.service.ProductService;
import ru.ulstu.is.myapp.service.PurchaseService;
import java.util.Date;
import java.util.List;
@SpringBootTest
public class ProductTests {
@Autowired
private ProductService productService;
@Test
public void testAddCustomer() {
productService.deleteAllProducts();
Product p = productService.addProduct("dgdf", 4567.00, "gfgf");
Assertions.assertNotNull(productService.findProduct(p.getId()));
productService.deleteAllProducts();
}
@Test
public void testUpdatePurchase() {
productService.deleteAllProducts();
Product p = productService.addProduct("dgdf", 4567.00, "gfgf");
productService.updateProduct(p.getId(),"dgdf", 4567.00, "gfgf");
Assertions.assertNotNull(productService.findProduct(p.getId()));
productService.deleteAllProducts();
}
@Test
public void testDeleteCustomer() {
productService.deleteAllProducts();
Product p = productService.addProduct("dgdf", 4567.00, "gfgf");
productService.deleteProduct(p.getId());
Assertions.assertThrows(EntityNotFoundException.class, () -> {productService.findProduct(p.getId());});
}
@Test
void testPurchaseRead() {
productService.deleteAllProducts();
final Product product = productService.addProduct("dgdf", 4567.00, "gfgf");
final Product findProduct= productService.findProduct(product.getId());
Assertions.assertEquals(product, findProduct);
}
@Test
void testPurchaseReadNotFound() {
productService.deleteAllProducts();
Assertions.assertThrows(EntityNotFoundException.class, () -> productService.findProduct(1L));
}
@Test
void testPurchaseReadAll() {
productService.deleteAllProducts();
productService.addProduct("dgdf", 4567.00, "gfgf");
productService.addProduct("dgdf", 4567.00, "gfgf");
final List<Product> purchases = productService.findAllProducts();
Assertions.assertEquals(purchases.size(), 2);
}
@Test
void testPurchaseReadAllEmpty() {
productService.deleteAllProducts();
final List<Product> products = productService.findAllProducts();
Assertions.assertEquals(products.size(), 0);
}
}

View File

@ -0,0 +1,78 @@
package ru.ulstu.is.myapp;
import jakarta.persistence.EntityNotFoundException;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import ru.ulstu.is.myapp.models.Customer;
import ru.ulstu.is.myapp.models.Purchase;
import ru.ulstu.is.myapp.service.CustomerService;
import ru.ulstu.is.myapp.service.PurchaseService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Date;
import java.util.List;
@SpringBootTest
public class PurchaseTests {
private static final Logger log = LoggerFactory.getLogger(PurchaseTests.class);
@Autowired
private PurchaseService purchaseService;
@Test
public void testAddCustomer() {
purchaseService.deleteAllPurchases();
Purchase p = purchaseService.addPurchase(new Date(1212121212121L), 4356.00);
Assertions.assertNotNull(purchaseService.findPurchase(p.getId()));
purchaseService.deleteAllPurchases();
}
@Test
public void testUpdatePurchase() {
purchaseService.deleteAllPurchases();
Purchase p = purchaseService.addPurchase(new Date(1212121212121L), 4356.00);
purchaseService.updatePurchase(p.getId(), new Date(1212121212121L), 4356.00);
Assertions.assertNotNull(purchaseService.findPurchase(p.getId()));
purchaseService.deleteAllPurchases();
}
@Test
public void testDeleteCustomer() {
purchaseService.deleteAllPurchases();
Purchase p = purchaseService.addPurchase(new Date(1212121212121L), 4356.00);
purchaseService.deletePurchase(p.getId());
Assertions.assertThrows(EntityNotFoundException.class, () -> {purchaseService.findPurchase(p.getId());});
}
@Test
void testPurchaseRead() {
purchaseService.deleteAllPurchases();
final Purchase purchase = purchaseService.addPurchase(new Date(1212121212121L), 4356.00);
final Purchase findPurchase = purchaseService.findPurchase(purchase.getId());
Assertions.assertEquals(purchase, findPurchase);
}
@Test
void testPurchaseReadNotFound() {
purchaseService.deleteAllPurchases();
Assertions.assertThrows(EntityNotFoundException.class, () -> purchaseService.findPurchase(1L));
}
@Test
void testPurchaseReadAll() {
purchaseService.deleteAllPurchases();
purchaseService.addPurchase(new Date(1212121212121L), 4356.00);
purchaseService.addPurchase(new Date(1212124212221L), 4356.00);
final List<Purchase> purchases = purchaseService.findAllPurchases();
log.info(purchases.toString());
Assertions.assertEquals(purchases.size(), 2);
}
@Test
void testPurchaseReadAllEmpty() {
purchaseService.deleteAllPurchases();
final List<Purchase> students = purchaseService.findAllPurchases();
Assertions.assertEquals(students.size(), 0);
}
}