diff --git a/src/main/java/com/epam/izh/rd/online/entity/Author.java b/src/main/java/com/epam/izh/rd/online/entity/Author.java index 166be587..4fe0cac4 100644 --- a/src/main/java/com/epam/izh/rd/online/entity/Author.java +++ b/src/main/java/com/epam/izh/rd/online/entity/Author.java @@ -19,5 +19,73 @@ * 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() { + } + + public Author(String name, String lastName, LocalDate birthdate, String country) { + this.name = name; + this.lastName = lastName; + this.birthdate = birthdate; + this.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; + } + + @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 + '\'' + + '}'; + } } diff --git a/src/main/java/com/epam/izh/rd/online/entity/Book.java b/src/main/java/com/epam/izh/rd/online/entity/Book.java index 08bdccb8..3990ce7f 100644 --- a/src/main/java/com/epam/izh/rd/online/entity/Book.java +++ b/src/main/java/com/epam/izh/rd/online/entity/Book.java @@ -16,5 +16,51 @@ * 6) Переопределить метод toString с выводом всех полей (не забывайте alt+inset) */ public abstract class Book { + private int numberOfPages; + private String name; + public Book() { + } + + public Book(int numberOfPages, String name) { + this.numberOfPages = numberOfPages; + this.name = 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; + } + + @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); + } + + @Override + public String toString() { + return "Book{" + + "numberOfPages=" + numberOfPages + + ", name='" + name + '\'' + + '}'; + } } diff --git a/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java b/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java index a9834db4..9b8a8f2b 100644 --- a/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java +++ b/src/main/java/com/epam/izh/rd/online/entity/SchoolBook.java @@ -20,5 +20,64 @@ * 6) Переопределить метод toString с выводом всех полей (не забывайте alt+inset) */ public class SchoolBook extends Book { + private String authorName; + private String authorLastName; + private LocalDate publishDate; + public SchoolBook() { + } + + public SchoolBook(int numberOfPages, String name, String authorName, String authorLastName, LocalDate publishDate) { + super(numberOfPages, name); + this.authorName = authorName; + this.authorLastName = authorLastName; + this.publishDate = 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; + } + + @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); + } + + @Override + public String toString() { + return "SchoolBook{" + + "authorName='" + authorName + '\'' + + ", authorLastName='" + authorLastName + '\'' + + ", publishDate=" + publishDate + + '}'; + } } diff --git a/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java b/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java index c62bd4e9..0a03f405 100644 --- a/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java +++ b/src/main/java/com/epam/izh/rd/online/repository/AuthorRepository.java @@ -2,6 +2,9 @@ import com.epam.izh.rd.online.entity.Author; +import java.util.Arrays; +import java.util.Objects; + /** * Интерфейс репозитория для хранения данных об авторах. *

diff --git a/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java b/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java index 7358e99b..ef351769 100644 --- a/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java +++ b/src/main/java/com/epam/izh/rd/online/repository/BookRepository.java @@ -1,6 +1,7 @@ package com.epam.izh.rd.online.repository; import com.epam.izh.rd.online.entity.Book; +import com.epam.izh.rd.online.entity.SchoolBook; /** * Интерфейс репозитория для хранения данных о книгах diff --git a/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java new file mode 100644 index 00000000..a7aeecaa --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleAuthorRepository.java @@ -0,0 +1,63 @@ +package com.epam.izh.rd.online.repository; + +import com.epam.izh.rd.online.entity.Author; + +import java.util.Arrays; +import java.util.Objects; + +public class SimpleAuthorRepository implements AuthorRepository { + private static Author[] authors = new Author[0]; + + public SimpleAuthorRepository() { + } + + public static Author[] getAuthors() { + return authors; + } + + @Override + public boolean save(Author author) { + if (findByFullName(author.getName(), author.getLastName()) == null) { + Author[] temp = Arrays.copyOf(authors, authors.length + 1); + temp[temp.length - 1] = author; + authors = Arrays.copyOf(temp, temp.length); + return true; + } + + return false; + } + + @Override + public Author findByFullName(String name, String lastname) { + for (Author author : authors) { + if (Objects.equals(author.getName(), name) && Objects.equals(author.getLastName(), lastname)) return author; + } + return null; + } + + @Override + public boolean remove(Author author) { + int numOfAuthor = -1; + for (int i = 0; i < authors.length; i++) { + if (Objects.equals(author.getName(), authors[i].getName()) && Objects.equals(author.getLastName(), authors[i].getLastName())) numOfAuthor = i; + } + + if (numOfAuthor != -1) { + for(int i = numOfAuthor; i < authors.length - 1; i++) { + Author temp = authors[i]; + authors[i] = authors[i + 1]; + authors[i + 1] = temp; + } + authors = Arrays.copyOf(authors, authors.length - 1); + return true; + } + + + return false; + } + + @Override + public int count() { + return authors.length; + } +} diff --git a/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java b/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java new file mode 100644 index 00000000..f9751697 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/repository/SimpleSchoolBookRepository.java @@ -0,0 +1,69 @@ +package com.epam.izh.rd.online.repository; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.entity.SchoolBook; + +import java.util.Arrays; +import java.util.Objects; + +public class SimpleSchoolBookRepository implements BookRepository { + private static SchoolBook[] schoolBooks = new SchoolBook[0]; + + public SimpleSchoolBookRepository() { + } + + public static SchoolBook[] getSchoolBooks() { + return schoolBooks; + } + + @Override + public boolean save(SchoolBook book) { + boolean isAuthor = false; + Author[] authors = SimpleAuthorRepository.getAuthors(); + + for (Author author : authors) { + if (Objects.equals(author.getName(), book.getAuthorName()) && Objects.equals(author.getLastName(), book.getAuthorLastName())) { + isAuthor = true; + break; + } + } + + if (isAuthor) { + SchoolBook[] temp = Arrays.copyOf(schoolBooks, schoolBooks.length + 1); + temp[temp.length - 1] = book; + schoolBooks = Arrays.copyOf(temp, temp.length); + return true; + } + return false; + } + + @Override + public SchoolBook[] findByName(String name) { + return new SchoolBook[0]; + } + + @Override + public boolean removeByName(String name) { + for (SchoolBook schoolBook : schoolBooks) { + if (Objects.equals(schoolBook.getName(), name)) { + for (int i = 0; i < schoolBooks.length; i++) { + if (Objects.equals(schoolBooks[i].getName(), name)) { + SchoolBook[] tempBooks = new SchoolBook[schoolBooks.length - 1]; + int remainingElements = schoolBooks.length - ( i + 1 ); + System.arraycopy(schoolBooks, 0, tempBooks, 0, i); + System.arraycopy(schoolBooks, i + 1, tempBooks, i, remainingElements); + schoolBooks = Arrays.copyOf(tempBooks, tempBooks.length); + i--; + } + } + return true; + } + } + return false; + } + + @Override + public int count() { + return schoolBooks.length; + } +} diff --git a/src/main/java/com/epam/izh/rd/online/service/AuthorService.java b/src/main/java/com/epam/izh/rd/online/service/AuthorService.java index 25bfecd1..cf545897 100644 --- a/src/main/java/com/epam/izh/rd/online/service/AuthorService.java +++ b/src/main/java/com/epam/izh/rd/online/service/AuthorService.java @@ -1,6 +1,7 @@ package com.epam.izh.rd.online.service; import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.repository.AuthorRepository; /** * Интерфейс сервиса для выполнения бизнес логики при работе с авторами и взаимодействием с @@ -41,4 +42,4 @@ public interface AuthorService { * По факту, он просто обращается к репозиторию с авторами и вызывает аналогичный метод, псоле чего возвращает результат. */ int count(); -} +} \ No newline at end of file diff --git a/src/main/java/com/epam/izh/rd/online/service/BookService.java b/src/main/java/com/epam/izh/rd/online/service/BookService.java index e221033b..c88b7b20 100644 --- a/src/main/java/com/epam/izh/rd/online/service/BookService.java +++ b/src/main/java/com/epam/izh/rd/online/service/BookService.java @@ -2,6 +2,8 @@ import com.epam.izh.rd.online.entity.Author; import com.epam.izh.rd.online.entity.Book; +import com.epam.izh.rd.online.entity.SchoolBook; +import com.epam.izh.rd.online.repository.BookRepository; /** * Интерфейс сервиса для выполнения бизнес логики при работе с книга и авторами и взаимодействием с diff --git a/src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java b/src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java new file mode 100644 index 00000000..4269aeda --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleAuthorService.java @@ -0,0 +1,35 @@ +package com.epam.izh.rd.online.service; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.repository.AuthorRepository; + +class SimpleAuthorService implements AuthorService { + private AuthorRepository authorRepository; + + public SimpleAuthorService() { + } + + public SimpleAuthorService(AuthorRepository authorRepository) { + this.authorRepository = authorRepository; + } + + @Override + public boolean save(Author author) { + return authorRepository.save(author); + } + + @Override + public Author findByFullName(String name, String lastname) { + return authorRepository.findByFullName(name, lastname); + } + + @Override + public boolean remove(Author author) { + return authorRepository.remove(author); + } + + @Override + public int count() { + return authorRepository.count(); + } +} diff --git a/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java b/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java new file mode 100644 index 00000000..e71047f2 --- /dev/null +++ b/src/main/java/com/epam/izh/rd/online/service/SimpleSchoolBookService.java @@ -0,0 +1,72 @@ +package com.epam.izh.rd.online.service; + +import com.epam.izh.rd.online.entity.Author; +import com.epam.izh.rd.online.entity.Book; +import com.epam.izh.rd.online.entity.SchoolBook; +import com.epam.izh.rd.online.repository.BookRepository; +import com.epam.izh.rd.online.repository.SimpleAuthorRepository; +import com.epam.izh.rd.online.repository.SimpleSchoolBookRepository; + +import java.util.Objects; + +class SimpleSchoolBookService implements BookService { + private BookRepository schoolBookBookRepository; + private AuthorService authorService; + + public SimpleSchoolBookService() { + } + + public SimpleSchoolBookService(BookRepository schoolBookBookRepository, AuthorService authorService) { + this.schoolBookBookRepository = schoolBookBookRepository; + this.authorService = authorService; + } + + @Override + public boolean save(Book book) { + return schoolBookBookRepository.save((SchoolBook) book); + } + + @Override + public Book[] findByName(String name) { + return schoolBookBookRepository.findByName(name); + } + + @Override + public int getNumberOfBooksByName(String name) { + int numOfBook = 0; + SchoolBook[] schoolBook = SimpleSchoolBookRepository.getSchoolBooks(); + for(SchoolBook book : schoolBook) { + if (Objects.equals(book.getName(), name)) numOfBook++; + } + + return numOfBook; + } + + @Override + public boolean removeByName(String name) { + return schoolBookBookRepository.removeByName(name); + } + + @Override + public int count() { + return schoolBookBookRepository.count(); + } + + @Override + public Author findAuthorByBookName(String name) { + SchoolBook[] schoolBook = SimpleSchoolBookRepository.getSchoolBooks(); + Author[] authors = SimpleAuthorRepository.getAuthors(); + + for (SchoolBook book : schoolBook) { + if (Objects.equals(book.getName(), name)) { + for (Author author : authors) { + if(Objects.equals(author.getName(), book.getAuthorName()) && Objects.equals(author.getLastName(), book.getAuthorLastName())) { + return author; + } + } + } + } + + return null; + } +}