Labwork3 is done.

src/main/java/ru/ulstu/is/sbapp/Models/Customer.java

@@ -0,0 +1,99 @@
+package ru.ulstu.is.sbapp.Models;
+
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+public class Customer
+{
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    @Column(nullable = false)
+    private String first_name;
+    @Column(nullable = false)
+    private String last_name;
+    @Column()
+    private String middle_name;
+
+    @ManyToMany
+    private List<Movie> movies;
+
+
+    public Customer()
+    {
+
+    }
+    public Customer(String fullName)
+    {
+        String[] partsName = fullName.split(" ");
+        this.first_name = partsName[0];
+        this.last_name = partsName[1];
+        if(partsName.length == 3)
+        {
+            this.middle_name = partsName[2];
+        }
+        this.movies = new ArrayList<>();
+    }
+
+    public Long getId()
+    {
+        return id;
+    }
+
+    public String getFirst_name()
+    {
+        return first_name;
+    }
+
+    public void setFirst_name(String first_name)
+    {
+        this.first_name = first_name;
+    }
+
+    public String getLast_name()
+    {
+        return last_name;
+    }
+
+    public void setLast_name(String last_name)
+    {
+        this.last_name = last_name;
+    }
+
+    public String getMiddle_name()
+    {
+
+        return middle_name.isBlank() ? null : middle_name;
+    }
+
+    public void setMiddle_name(String middle_name)
+    {
+        if(!middle_name.isBlank())
+        {
+            this.middle_name = middle_name;
+        }
+    }
+
+    public List<Movie> getMovies()
+    {
+        return movies;
+    }
+
+    @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);
+    }
+
+    @Override
+    public String toString()
+    {
+        return "Customer: " + "ID: " + id + " | FirstName: " + first_name + " | LastName: " + last_name + " | MiddleName: " + middle_name;
+    }
+}

src/main/java/ru/ulstu/is/sbapp/Models/Genre.java

@@ -0,0 +1,62 @@
+package ru.ulstu.is.sbapp.Models;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+public class Genre
+{
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    @Column(nullable = false)
+    private String name;
+
+    @OneToMany(fetch = FetchType.EAGER, mappedBy = "genre")
+    private List<Movie> movies;
+
+    public Genre()
+    {
+
+    }
+    public Genre(String name)
+    {
+        this.name = name;
+        this.movies = new ArrayList<>();
+    }
+
+    public Long getId()
+    {
+        return id;
+    }
+
+    public String getName()
+    {
+        return name;
+    }
+
+    public void setName(String name)
+    {
+        this.name = name;
+    }
+
+    public List<Movie> getMovies()
+    {
+        return movies;
+    }
+
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Genre genre = (Genre) o;
+        return Objects.equals(id, genre.id);
+    }
+
+    @Override
+    public String toString()
+    {
+        return "Genre: " + " ID: " + id + " | Name: " + name;
+    }
+}

src/main/java/ru/ulstu/is/sbapp/Models/Movie.java

@@ -0,0 +1,102 @@
+package ru.ulstu.is.sbapp.Models;
+
+import javax.persistence.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+@Entity
+public class Movie
+{
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    @Column(nullable = false)
+    private String title;
+    @Column(nullable = false)
+    private int length;
+    @Column(nullable = false)
+    private double score;
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "genre_fk")
+    private Genre genre;
+
+    @ManyToMany(mappedBy = "movies")
+    private List<Customer> customers;
+
+    public Movie()
+    {
+
+    }
+    public Movie(String title, int length, double score, Genre genre)
+    {
+        this.title = title;
+        this.length = length;
+        this.score = score;
+        this.genre = genre;
+        this.customers = new ArrayList<>();
+    }
+
+    public Long getId()
+    {
+        return id;
+    }
+
+    public String getTitle()
+    {
+        return title;
+    }
+
+    public void setTitle(String title)
+    {
+        this.title = title;
+    }
+
+    public String getLength()
+    {
+        return Integer.toString(length);
+    }
+
+    public void setLength(int length)
+    {
+        this.length = length;
+    }
+
+    public String getScore()
+    {
+        return Double.toString(score);
+    }
+
+    public void setScore(Double score)
+    {
+        this.score = score;
+    }
+
+    public Genre getGenre()
+    {
+        return genre;
+    }
+
+    public void setGenre(Genre genre)
+    {
+        this.genre = genre;
+    }
+
+    public List<Customer> getCustomers()
+    {
+        return customers;
+    }
+
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Movie movie = (Movie) o;
+        return Objects.equals(id, movie.id);
+    }
+
+    @Override
+    public String toString()
+    {
+        return "Movie: " + " ID: " + id + " | Title: " + title + " | Length: " + length + " | Score: " + score;
+    }
+}

src/main/java/ru/ulstu/is/sbapp/Services/CustomerService.java

@@ -0,0 +1,75 @@
+package ru.ulstu.is.sbapp.Services;
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
+import ru.ulstu.is.sbapp.Models.Customer;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityNotFoundException;
+import javax.persistence.PersistenceContext;
+import java.util.List;
+
+@Service
+public class CustomerService
+{
+    @PersistenceContext
+    private EntityManager em;
+
+    @Transactional
+    public Customer addCustomer(String fullName)
+    {
+        if(!StringUtils.hasText(fullName))
+        {
+            throw new IllegalArgumentException("Customer's name or surname is missing");
+        }
+        final Customer customer = new Customer(fullName);
+        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("Customer 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 middleName)
+    {
+        if(!StringUtils.hasText(firstName) || !StringUtils.hasText(lastName))
+        {
+            throw new IllegalArgumentException("Customer's name or surname is missing");
+        }
+        final Customer specificCustomer = findCustomer(id);
+        specificCustomer.setFirst_name(firstName);
+        specificCustomer.setLast_name(lastName);
+        specificCustomer.setMiddle_name(middleName);
+        return em.merge(specificCustomer);
+    }
+
+    @Transactional
+    public Customer deleteCustomer(Long id)
+    {
+        final Customer specificCustomer = findCustomer(id);
+        em.remove(specificCustomer);
+        return specificCustomer;
+    }
+
+    @Transactional
+    public void deleteAllCustomers()
+    {
+        em.createQuery("delete from Customer").executeUpdate();
+    }
+}

src/main/java/ru/ulstu/is/sbapp/Services/GenreService.java

@@ -0,0 +1,73 @@
+package ru.ulstu.is.sbapp.Services;
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
+import ru.ulstu.is.sbapp.Models.Genre;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityNotFoundException;
+import javax.persistence.PersistenceContext;
+import java.util.List;
+
+@Service
+public class GenreService
+{
+    @PersistenceContext
+    private EntityManager em;
+
+    @Transactional
+    public Genre addGenre(String name)
+    {
+        if(!StringUtils.hasText(name))
+        {
+            throw new IllegalArgumentException("Genre's name is missing");
+        }
+        final Genre genre = new Genre(name);
+        em.persist(genre);
+        return genre;
+    }
+
+    @Transactional(readOnly = true)
+    public Genre findGenre(Long id)
+    {
+        final Genre specificGenre = em.find(Genre.class,id);
+        if(specificGenre == null)
+        {
+            throw new EntityNotFoundException(String.format("Genre with id [%s] is not found", id));
+        }
+        return specificGenre;
+    }
+
+    @Transactional(readOnly = true)
+    public List<Genre> findAllGenres()
+    {
+        return em.createQuery("select g from Genre g",Genre.class).getResultList();
+    }
+
+    @Transactional
+    public Genre updateGenre(Long id, String name)
+    {
+        if(StringUtils.hasText(name))
+        {
+            throw new IllegalArgumentException("Genre's name is missing");
+        }
+        final Genre specificGenre = findGenre(id);
+        specificGenre.setName(name);
+        return em.merge(specificGenre);
+    }
+
+    @Transactional
+    public Genre deleteGenre(Long id)
+    {
+        final Genre specificGenre = findGenre(id);
+        em.remove(specificGenre);
+        return specificGenre;
+    }
+
+    @Transactional
+    public void deleteAllGenres()
+    {
+        em.createQuery("delete from Genre").executeUpdate();
+    }
+}

src/main/java/ru/ulstu/is/sbapp/Services/MovieService.java

@@ -0,0 +1,85 @@
+package ru.ulstu.is.sbapp.Services;
+
+
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
+import ru.ulstu.is.sbapp.Models.Movie;
+import ru.ulstu.is.sbapp.Models.Customer;
+import ru.ulstu.is.sbapp.Models.Genre;
+import javax.persistence.EntityManager;
+import javax.persistence.EntityNotFoundException;
+import javax.persistence.PersistenceContext;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@Service
+public class MovieService
+{
+    @PersistenceContext
+    private EntityManager em;
+
+    @Transactional
+    public Movie addMovie(String title, int length, double score, Genre genre, Customer customer)
+    {
+        if(!StringUtils.hasText(title) || length == 0 || score == 0 || genre == null || customer == null)
+        {
+            throw new IllegalArgumentException("Some of the movie's properties are incorrect.");
+        }
+        final Movie movie = new Movie(title,length,score,genre);
+        movie.getGenre().getMovies().add(movie);
+        customer.getMovies().add(movie);
+
+        em.persist(movie);
+        return movie;
+    }
+
+    @Transactional(readOnly = true)
+    public Movie findMovie(Long id)
+    {
+        final Movie specificMovie = em.find(Movie.class, id);
+        if(specificMovie == null)
+        {
+            throw new EntityNotFoundException(String.format("Movie with id [%s] is not found", id));
+        }
+        return specificMovie;
+    }
+
+    @Transactional(readOnly = true)
+    public List<Movie> findAllMovies()
+    {
+        return em.createQuery("select m from Movie m",Movie.class).getResultList();
+    }
+
+    @Transactional
+    public Movie updateMovie(Long id, String title, int length, double score, Genre genre)
+    {
+        if(!StringUtils.hasText(title) || length == 0 || score == 0 || genre == null)
+        {
+            throw new IllegalArgumentException("Some of the movie's properties are incorrect.");
+        }
+        final Movie specificMovie = findMovie(id);
+        specificMovie.setLength(length);
+        specificMovie.setGenre(genre);
+        specificMovie.setTitle(title);
+        specificMovie.setScore(score);
+        return em.merge(specificMovie);
+    }
+
+    @Transactional
+    public Movie deleteMovie(Long id, Customer customer)
+    {
+        final Movie specificMovie = findMovie(id);
+        specificMovie.getGenre().getMovies().remove(specificMovie);
+        customer.getMovies().remove(specificMovie);
+        em.remove(specificMovie);
+        return specificMovie;
+    }
+
+    @Transactional
+    public void deleteAllMovies()
+    {
+        em.createQuery("delete from Movie").executeUpdate();
+    }
+}

src/test/java/ru/ulstu/is/sbapp/JpaCustomerTests.java

@@ -0,0 +1,70 @@
+package ru.ulstu.is.sbapp;
+
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import ru.ulstu.is.sbapp.Models.Customer;
+import ru.ulstu.is.sbapp.Services.CustomerService;
+
+import javax.persistence.EntityNotFoundException;
+import java.util.List;
+
+@SpringBootTest
+public class JpaCustomerTests
+{
+    private static final Logger log = LoggerFactory.getLogger(JpaCustomerTests.class);
+
+    @Autowired
+    private CustomerService customerService;
+
+    @Test
+    void testCustomerCreate()
+    {
+        customerService.deleteAllCustomers();
+        final Customer customer = customerService.addCustomer("Nikita Lisov");
+        log.info(customer.toString());
+        Assertions.assertNotNull(customer.getId());
+    }
+
+    @Test
+    void testCustomerRead()
+    {
+        customerService.deleteAllCustomers();
+        final Customer customer = customerService.addCustomer("Nikita Lisov");
+        log.info(customer.toString());
+        final Customer findCustomer = customerService.findCustomer(customer.getId());
+        log.info(findCustomer.toString());
+        Assertions.assertEquals(customer, findCustomer);
+    }
+
+    @Test
+    void testCustomerReadNotFound()
+    {
+        customerService.deleteAllCustomers();
+        Assertions.assertThrows(EntityNotFoundException.class, () -> customerService.findCustomer(-1L));
+    }
+
+    @Test
+    void testCustomerReadAll()
+    {
+        customerService.deleteAllCustomers();
+        customerService.addCustomer("Nikita Lisov");
+        customerService.addCustomer("Evelina Aust Sergeevna");
+        final List<Customer> customers = customerService.findAllCustomers();
+        log.info(customers.toString());
+        Assertions.assertEquals(customers.size(), 2);
+    }
+
+    @Test
+    void testCustomerReadAllEmpty()
+    {
+        customerService.deleteAllCustomers();
+        final List<Customer> customers = customerService.findAllCustomers();
+        log.info(customers.toString());
+        Assertions.assertEquals(customers.size(), 0);
+    }
+}

src/test/java/ru/ulstu/is/sbapp/JpaGenreTests.java

@@ -0,0 +1,69 @@
+package ru.ulstu.is.sbapp;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import ru.ulstu.is.sbapp.Models.Genre;
+import ru.ulstu.is.sbapp.Services.GenreService;
+
+import javax.persistence.EntityNotFoundException;
+import java.util.List;
+
+@SpringBootTest
+public class JpaGenreTests
+{
+    private static final Logger log = LoggerFactory.getLogger(JpaCustomerTests.class);
+
+    @Autowired
+    private GenreService genreService;
+
+    @Test
+    void testCustomerCreate()
+    {
+        genreService.deleteAllGenres();
+        final Genre genre = genreService.addGenre("Fantasy");
+        log.info(genre.toString());
+        Assertions.assertNotNull(genre.getId());
+    }
+
+    @Test
+    void testCustomerRead()
+    {
+        genreService.deleteAllGenres();
+        final Genre genre = genreService.addGenre("Nikita Lisov");
+        log.info(genre.toString());
+        final Genre findCustomer = genreService.findGenre(genre.getId());
+        log.info(findCustomer.toString());
+        Assertions.assertEquals(genre, findCustomer);
+    }
+
+    @Test
+    void testCustomerReadNotFound()
+    {
+        genreService.deleteAllGenres();
+        Assertions.assertThrows(EntityNotFoundException.class, () -> genreService.findGenre(-1L));
+    }
+
+    @Test
+    void testCustomerReadAll()
+    {
+        genreService.deleteAllGenres();
+        genreService.addGenre("Nikita Lisov");
+        genreService.addGenre("Evelina Aust Sergeevna");
+        final List<Genre> customers = genreService.findAllGenres();
+        log.info(customers.toString());
+        Assertions.assertEquals(customers.size(), 2);
+    }
+
+    @Test
+    void testCustomerReadAllEmpty()
+    {
+        genreService.deleteAllGenres();
+        final List<Genre> customers = genreService.findAllGenres();
+        log.info(customers.toString());
+        Assertions.assertEquals(customers.size(), 0);
+    }
+}

src/test/java/ru/ulstu/is/sbapp/JpaMovieTests.java

@@ -0,0 +1,167 @@
+package ru.ulstu.is.sbapp;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import ru.ulstu.is.sbapp.Services.MovieService;
+import ru.ulstu.is.sbapp.Models.Movie;
+import ru.ulstu.is.sbapp.Models.Customer;
+import ru.ulstu.is.sbapp.Services.CustomerService;
+import ru.ulstu.is.sbapp.Models.Genre;
+import ru.ulstu.is.sbapp.Services.GenreService;
+
+import javax.persistence.EntityNotFoundException;
+import java.util.List;
+
+@SpringBootTest
+public class JpaMovieTests
+{
+    private static final Logger log = LoggerFactory.getLogger(JpaCustomerTests.class);
+
+    @Autowired
+    private MovieService movieService;
+    @Autowired
+    private GenreService genreService;
+    @Autowired
+    private CustomerService customerService;
+
+    @Test
+    void testMovieCreate()
+    {
+        movieService.deleteAllMovies();
+        customerService.deleteAllCustomers();
+        genreService.deleteAllGenres();
+
+        final Genre genre = genreService.addGenre("Fantasy");
+        log.info(genre.toString());
+
+        final Customer customer = customerService.addCustomer("Nikita Lisov");
+        log.info(customer.toString());
+
+        final Movie movie = movieService.addMovie("Arcane",36,4.5, genre, customer);
+        log.info(movie.toString());
+
+        Assertions.assertNotNull(movie.getId());
+    }
+
+    @Test
+    void testMovieRead()
+    {
+        movieService.deleteAllMovies();
+        customerService.deleteAllCustomers();
+        genreService.deleteAllGenres();
+
+        final Genre genre = genreService.addGenre("Fantasy");
+        log.info(genre.toString());
+
+        final Customer customer = customerService.addCustomer("Nikita Lisov");
+        log.info(customer.toString());
+
+        final Movie movie = movieService.addMovie("Arcane",36,4.5, genre, customer);
+        log.info(movie.toString());
+
+
+        final Movie findMovie = movieService.findMovie(movie.getId());
+        log.info(findMovie.toString());
+
+        Assertions.assertEquals(movie,findMovie);
+    }
+
+    @Test
+    void testCheckMoviesCustomer()
+    {
+        movieService.deleteAllMovies();
+        customerService.deleteAllCustomers();
+        genreService.deleteAllGenres();
+
+        final Genre genre = genreService.addGenre("Fantasy");
+        log.info(genre.toString());
+
+        final Customer customer = customerService.addCustomer("Nikita Lisov");
+        log.info(customer.toString());
+        final Movie movie = movieService.addMovie("Arcane",36,4.5, genre, customer);
+        log.info(movie.toString());
+        log.info(customer.getMovies().toString());
+
+        final List<Movie> movies = movieService.findAllMovies();
+        log.info(movies.toString());
+
+        Assertions.assertEquals(movies.size(),customer.getMovies().size());
+    }
+
+    @Test
+    void testCheckMoviesGenre()
+    {
+        movieService.deleteAllMovies();
+        customerService.deleteAllCustomers();
+        genreService.deleteAllGenres();
+
+        final Genre genre = genreService.addGenre("Fantasy");
+        log.info(genre.toString());
+
+        final Customer customer = customerService.addCustomer("Nikita Lisov");
+        log.info(customer.toString());
+
+        final Movie movie = movieService.addMovie("Arcane",36,4.5, genre, customer);
+        log.info(movie.toString());
+
+        final List<Movie> movies = movieService.findAllMovies();
+        log.info(movies.toString());
+
+        Assertions.assertEquals(movies.size(),genre.getMovies().size());
+    }
+
+    @Test
+    void testCheckMultipleMovies()
+    {
+        movieService.deleteAllMovies();
+        customerService.deleteAllCustomers();
+        genreService.deleteAllGenres();
+
+        final Genre genre = genreService.addGenre("Fantasy");
+        log.info(genre.toString());
+
+        final Customer customer1 = customerService.addCustomer("Nikita Lisov");
+        log.info(customer1.toString());
+
+        final Customer customer2 = customerService.addCustomer("Evelina Potter");
+        log.info(customer2.toString());
+
+        final Movie movie1 = movieService.addMovie("Arcane",36,4.5, genre, customer1);
+        log.info(movie1.toString());
+
+        final Movie movie2 = movieService.addMovie("Harry Potter",128,10.0, genre, customer2);
+        log.info(movie2.toString());
+
+        final List<Movie> movies = movieService.findAllMovies();
+        log.info(movies.toString());
+
+        Assertions.assertEquals(movies.size(),customer1.getMovies().size() + customer2.getMovies().size());
+    }
+
+    @Test
+    void testMovieReadNotFound()
+    {
+        movieService.deleteAllMovies();
+        customerService.deleteAllCustomers();
+        genreService.deleteAllGenres();
+
+        Assertions.assertThrows(EntityNotFoundException.class, () -> movieService.findMovie(-1L));
+    }
+
+    @Test
+    void testMovieReadAllEmpty()
+    {
+        movieService.deleteAllMovies();
+        customerService.deleteAllCustomers();
+        genreService.deleteAllGenres();
+
+        final List<Movie> movies = movieService.findAllMovies();
+        log.info(movies.toString());
+        Assertions.assertEquals(movies.size(),0);
+
+    }
+}

src/test/resources/application.properties

@@ -0,0 +1,6 @@
+spring.datasource.url=jdbc:h2:mem:testdb
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=password
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=create-drop