Added implementation of the app structure

src/main/java/com/epam/izh/rd/online/entity/Author.java

@@ -5,7 +5,7 @@
 
 /**
  * Класс содержащий информацию об авторе.
- *
+ * <p>
  * Необходимо:
  * 1) Создать список полей с указанными типами ровно в этом порядке:
  * - name с типом String и приватным модификатором доступа
@@ -18,6 +18,79 @@
  * 5) Переопределить методы equals и hashCode - используйте генерацию (не забывайте alt+inset)
  * 6) Переопределить метод toString с выводом всех полей (не забывайте alt+inset)
  */
+
 public class Author {
 
+    private String name;
+    private String lastName;
+    private LocalDate birthdate;
+    private String country;
+
+    public Author() {
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Author author = (Author) o;
+        return Objects.equals(name, author.name) &&
+                Objects.equals(lastName, author.lastName) &&
+                Objects.equals(birthdate, author.birthdate) &&
+                Objects.equals(country, author.country);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(name, lastName, birthdate, country);
+    }
+
+    @Override
+    public String toString() {
+        return "Author{" +
+                "name='" + name + '\'' +
+                ", lastName='" + lastName + '\'' +
+                ", birthDate=" + birthdate +
+                ", country='" + country + '\'' +
+                '}';
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    public LocalDate getBirthdate() {
+        return birthdate;
+    }
+
+    public void setBirthdate(LocalDate birthdate) {
+        this.birthdate = birthdate;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public void setCountry(String country) {
+        this.country = country;
+    }
+
+    public Author(String name, String lastName, LocalDate birthdate, String country) {
+        this.name = name;
+        this.lastName = lastName;
+        this.birthdate = birthdate;
+        this.country = country;
+    }
 }

src/main/java/com/epam/izh/rd/online/entity/Book.java

@@ -4,7 +4,7 @@
 
 /**
  * Базовая сущность для книги. Содержит базовые поля.
- *
+ * <p>
  * Необходимо:
  * 1) Создать список полей с указанными типами ровно в этом порядке:
  * - numberOfPages с типом int и приватным модификатором доступа
@@ -17,4 +17,52 @@
  */
 public abstract class Book {
 
+    private int numberOfPages;
+    private String name;
+
+    @Override
+    public String toString() {
+        return "Book{" +
+                "numberOfPages=" + numberOfPages +
+                ", name='" + name + '\'' +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Book book = (Book) o;
+        return numberOfPages == book.numberOfPages &&
+                Objects.equals(name, book.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(numberOfPages, name);
+    }
+
+    public int getNumberOfPages() {
+        return numberOfPages;
+    }
+
+    public void setNumberOfPages(int numberOfPages) {
+        this.numberOfPages = numberOfPages;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Book(int numberOfPages, String name) {
+        this.numberOfPages = numberOfPages;
+        this.name = name;
+    }
+
+    public Book() {
+    }
 }

src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java

@@ -5,7 +5,7 @@
 
 /**
  * Сущность учебника. Он должен быть унаследован от сущности Book
- *
+ * <p>
  * Необходимо:
  * 1) Унаследовать данный класс от класса Book
  * 2) Создать список полей с указанными типами ровно в этом порядке:
@@ -21,4 +21,67 @@
  */
 public class SchoolBook extends Book {
 
+    private String authorName;
+    private String authorLastName;
+    private LocalDate publishDate;
+
+
+    public SchoolBook() {
+    }
+
+    @Override
+    public String toString() {
+        return "SchoolBook{" +
+                "authorName='" + authorName + '\'' +
+                ", authorLastName='" + authorLastName + '\'' +
+                ", publishDate=" + publishDate +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        if (!super.equals(o)) return false;
+        SchoolBook that = (SchoolBook) o;
+        return Objects.equals(authorName, that.authorName) &&
+                Objects.equals(authorLastName, that.authorLastName) &&
+                Objects.equals(publishDate, that.publishDate);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(super.hashCode(), authorName, authorLastName, publishDate);
+    }
+
+    public String getAuthorName() {
+        return authorName;
+    }
+
+    public void setAuthorName(String authorName) {
+        this.authorName = authorName;
+    }
+
+    public String getAuthorLastName() {
+        return authorLastName;
+    }
+
+    public void setAuthorLastName(String authorLastName) {
+        this.authorLastName = authorLastName;
+    }
+
+    public LocalDate getPublishDate() {
+        return publishDate;
+    }
+
+    public void setPublishDate(LocalDate publishDate) {
+        this.publishDate = publishDate;
+    }
+
+    public SchoolBook(int numberOfPages, String name, String authorName, String authorLastName, LocalDate publishDate) {
+        super(numberOfPages, name);
+        this.authorName = authorName;
+        this.authorLastName = authorLastName;
+        this.publishDate = publishDate;
+    }
 }

src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java

@@ -0,0 +1,56 @@
+package com.epam.izh.rd.online.repository;
+
+import com.epam.izh.rd.online.entity.Author;
+
+import java.util.Arrays;
+
+public class SimpleAuthorRepository implements AuthorRepository {
+
+    private Author[] authors = new Author[0];
+
+    @Override
+    public boolean save(Author author) {
+        for (Author value : authors) {
+            if (value.equals(author)) {
+                return false;
+            }
+        }
+
+        authors = Arrays.copyOf(authors, authors.length + 1);
+        authors[authors.length - 1] = author;
+        return true;
+    }
+
+    @Override
+    public Author findByFullName(String name, String lastname) {
+        for (Author value : authors) {
+            if (value.getName().equals(name) && value.getLastName().equals(lastname)) {
+                return value;
+            }
+        }
+        return null;
+    }
+
+    @Override
+    public boolean remove(Author author) {
+        for (int i = 0; i < authors.length; i++) {
+            if (authors[i].equals(author)) {
+                authors[i] = null;
+
+                System.arraycopy(authors, 0, authors, 0, i);
+                System.arraycopy(authors, i + 1, authors, i, authors.length - 1 - i);
+                authors = Arrays.copyOf(authors, authors.length - 1);
+
+                return true;
+            }
+        }
+
+
+        return false;
+    }
+
+    @Override
+    public int count() {
+        return authors.length;
+    }
+}

src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java

@@ -0,0 +1,59 @@
+package com.epam.izh.rd.online.repository;
+
+import com.epam.izh.rd.online.entity.SchoolBook;
+
+import java.util.Arrays;
+
+public class SimpleSchoolBookRepository implements BookRepository<SchoolBook> {
+
+    private SchoolBook[] schoolBooks = new SchoolBook[0];
+
+    public SimpleSchoolBookRepository() {
+    }
+
+    public SimpleSchoolBookRepository(SchoolBook[] schoolBooks) {
+        this.schoolBooks = schoolBooks;
+    }
+
+    @Override
+    public boolean save(SchoolBook book) {
+        schoolBooks = Arrays.copyOf(schoolBooks, schoolBooks.length + 1);
+        schoolBooks[schoolBooks.length - 1] = book;
+        return true;
+    }
+
+    @Override
+    public SchoolBook[] findByName(String name) {
+        SchoolBook[] nameBook = new SchoolBook[0];
+        for (SchoolBook schoolBook : schoolBooks) {
+            if (schoolBook.getName().equals(name)) {
+                nameBook = Arrays.copyOf(nameBook, nameBook.length + 1);
+                nameBook[nameBook.length - 1] = schoolBook;
+            }
+        }
+        return nameBook;
+    }
+
+    @Override
+    public boolean removeByName(String name) {
+        boolean deleteSuccess = false;
+        for (int i = 0; i < schoolBooks.length; i++) {
+            if (schoolBooks[i].getName().equals(name)) {
+                schoolBooks[i] = null;
+
+                System.arraycopy(schoolBooks, 0, schoolBooks, 0, i);
+                System.arraycopy(schoolBooks, i + 1, schoolBooks, i, schoolBooks.length - 1 - i);
+                schoolBooks = Arrays.copyOf(schoolBooks, schoolBooks.length - 1);
+
+                deleteSuccess = true;
+                i--;
+            }
+        }
+        return deleteSuccess;
+    }
+
+    @Override
+    public int count() {
+        return schoolBooks.length;
+    }
+}

src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java

@@ -0,0 +1,42 @@
+package com.epam.izh.rd.online.service;
+
+import com.epam.izh.rd.online.entity.Author;
+import com.epam.izh.rd.online.repository.AuthorRepository;
+
+public class SimpleAuthorService implements AuthorService {
+
+    private AuthorRepository authorRepository;
+
+    public SimpleAuthorService() {
+    }
+
+    public SimpleAuthorService(AuthorRepository authorRepository) {
+        this.authorRepository = authorRepository;
+    }
+
+    @Override
+    public boolean save(Author author) {
+        if (author != null) {
+            return authorRepository.save(author);
+        }
+        return false;
+    }
+
+    @Override
+    public Author findByFullName(String name, String lastname) {
+        return authorRepository.findByFullName(name, lastname);
+    }
+
+    @Override
+    public boolean remove(Author author) {
+        if (author != null) {
+            return authorRepository.remove(author);
+        }
+        return false;
+    }
+
+    @Override
+    public int count() {
+        return authorRepository.count();
+    }
+}