Add series issue 6

src/main/java/com/karankumar/booksapi/model/Book.java

@@ -30,8 +30,10 @@
 import javax.persistence.JoinColumn;
 import javax.persistence.JoinTable;
 import javax.persistence.ManyToMany;
+import javax.persistence.OneToMany;
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Set;
 
 @Entity
@@ -75,8 +77,11 @@ public class Book {
     @Column(nullable = false)
     private BookFormat format;
 
-    public Book(@NonNull String title, @NonNull Author[] authors, @NonNull Language language,
-                @NonNull String blurb, @NonNull BookGenre genre, @NonNull BookFormat format) {
+    @OneToMany(mappedBy = "book")
+    private List<BookSeriesMapping> bookSeriesMapping;
+
+    public Book(@NonNull String title, @NonNull Author[] authors, @NonNull Language language, @NonNull String blurb,
+                @NonNull BookGenre genre, @NonNull BookFormat format) {
         this.title = title;
         Arrays.stream(authors).forEach(this::addAuthor);
         this.language = language;

src/main/java/com/karankumar/booksapi/model/BookSeries.java

@@ -0,0 +1,45 @@
+/*
+The book project lets a user keep track of different books they would like to read, are currently reading, have read or did not finish.
+Copyright (C) 2020  Karan Kumar
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program.
+If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package com.karankumar.booksapi.model;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.NonNull;
+
+import javax.persistence.*;
+import java.util.List;
+
+@Entity
+@Getter
+@Setter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class BookSeries {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Setter(AccessLevel.NONE)
+    private Long id;
+
+    @Column(nullable = false, name = "series_name")
+    private String seriesName;
+
+    @OneToMany(mappedBy = "bookSeries")
+    private List<BookSeriesMapping> bookSeriesMapping;
+
+    public BookSeries(@NonNull String seriesName){
+        this.seriesName = seriesName;
+    }
+}

src/main/java/com/karankumar/booksapi/model/BookSeriesMapping.java

@@ -0,0 +1,53 @@
+/*
+The book project lets a user keep track of different books they would like to read, are currently reading, have read or did not finish.
+Copyright (C) 2020  Karan Kumar
+
+This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program.
+If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package com.karankumar.booksapi.model;
+
+import lombok.*;
+
+import javax.persistence.*;
+
+@Getter @Setter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+@Table(
+        name="Book_To_BookSeries_Mapping",
+        uniqueConstraints = {
+                @UniqueConstraint( name = "UK_bookSeriesId_bookId", columnNames = {"book_series_id","book_id"} ),
+                @UniqueConstraint( name = "UK_bookSeriesId_serialNumber", columnNames = {"book_series_id","serial_number"} )
+        }
+)
+
+public class BookSeriesMapping {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Setter(AccessLevel.NONE)
+    private Long id;
+
+    @ManyToOne(optional = false)
+    private BookSeries bookSeries;
+
+    @ManyToOne(optional = false)
+    private Book book;
+
+    @Column(nullable = false, name="serial_number")
+    private Integer serialNumber;
+
+    public BookSeriesMapping(@NonNull BookSeries bookSeries, @NonNull Book bookInSeries, @NonNull Integer serialNumber) {
+        this.bookSeries = bookSeries;
+        this.book = bookInSeries;
+        this.serialNumber = serialNumber;
+    }
+}

src/main/java/com/karankumar/booksapi/repository/BookRepository.java

@@ -16,6 +16,8 @@
 package com.karankumar.booksapi.repository;
 
 import com.karankumar.booksapi.model.Book;
+import com.karankumar.booksapi.model.BookSeries;
+import com.karankumar.booksapi.model.BookSeriesMapping;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.CrudRepository;
 
@@ -32,4 +34,13 @@ public interface BookRepository extends CrudRepository<Book, Long> {
     Book findBookByIsbn13(String isbn13);
 
     Book findByTitleIgnoreCase(String title);
+
+    // Lists all BookSeries for a Book entry
+    @Query("SELECT a.bookSeries FROM BookSeriesMapping a WHERE a.book = ?1")
+    List<BookSeries> getAllBookSeriesForBook(Book book);
+
+    // Returns position of a book in a Book Series
+    @Query("SELECT a.serialNumber FROM BookSeriesMapping a WHERE a.book = ?1 AND a.bookSeries = ?2")
+    Integer getBookPositionInBookSeries(Book book, BookSeries bookSeries);
+
 }

src/main/java/com/karankumar/booksapi/repository/BookSeriesMappingRepository.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2021  Karan Kumar
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along with this program.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.karankumar.booksapi.repository;
+
+import com.karankumar.booksapi.model.Book;
+import com.karankumar.booksapi.model.BookSeries;
+import com.karankumar.booksapi.model.BookSeriesMapping;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.CrudRepository;
+
+import java.util.List;
+
+public interface BookSeriesMappingRepository extends CrudRepository<BookSeriesMapping, Long> {
+
+    // Lists all Books in a Book Series
+    @Query("SELECT a.book FROM BookSeriesMapping a WHERE a.bookSeries = ?1")
+    List<Book> getAllBooksByBookSeries(BookSeries bookSeries);
+}

src/main/java/com/karankumar/booksapi/repository/BookSeriesRepository.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2021  Karan Kumar
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along with this program.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.karankumar.booksapi.repository;
+
+import com.karankumar.booksapi.model.BookSeries;
+import org.springframework.data.repository.CrudRepository;
+
+public interface BookSeriesRepository extends CrudRepository<BookSeries, Long> {
+}

src/test/java/com/karankumar/booksapi/model/BookSeriesMappingTest.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2021  Karan Kumar
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along with this program.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.karankumar.booksapi.model;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+@DisplayName("Book Series Mapping should")
+public class BookSeriesMappingTest {
+
+    @Test
+    @DisplayName("throw a Null Pointer Exception on an attempt to create with Null Serial Number")
+    void notAcceptNullSerialNumber(){
+
+        BookSeries bookSeries = new BookSeries("Harry Potter Series");
+
+        Author author = new Author("J.K. Rowling");
+        author.setAbout("A fantastic author");
+
+        Book book = new Book(
+                "Harry Potter and the Philosopher's stone",
+                new Author[] {author},
+                Language.ENGLISH,
+                "Sample blurb value",
+                BookGenre.FANTASY,
+                BookFormat.PAPERBACK
+        );
+        book.setYearOfPublication(1997);
+        book.setIsbn13("9781408810545");
+        book.setPublisher(PublisherName.BLOOMSBURY);
+
+        assertThatExceptionOfType(NullPointerException.class)
+                .isThrownBy(()->new BookSeriesMapping(bookSeries, book, null));
+    }
+
+    @Test
+    @DisplayName("throw a Null Pointer Exception on an attempt to create with Null Book")
+    void notAcceptNullBook(){
+
+        BookSeries bookSeries = new BookSeries("Harry Potter Series");
+
+        Author author = new Author("J.K. Rowling");
+        author.setAbout("A fantastic author");
+
+        assertThatExceptionOfType(NullPointerException.class)
+                .isThrownBy(()->new BookSeriesMapping(bookSeries, null, 1));
+    }
+
+    @Test
+    @DisplayName("throw a Null Pointer Exception on an attempt to create with Null Book Series.")
+    void notAcceptNullBookSeries(){
+
+        Author author = new Author("J.K. Rowling");
+        author.setAbout("A fantastic author");
+
+        Book book = new Book(
+                "Harry Potter and the Philosopher's stone",
+                new Author[] {author},
+                Language.ENGLISH,
+                "Sample blurb value",
+                BookGenre.FANTASY,
+                BookFormat.PAPERBACK
+        );
+        book.setYearOfPublication(1997);
+        book.setIsbn13("9781408810545");
+        book.setPublisher(PublisherName.BLOOMSBURY);
+
+        assertThatExceptionOfType(NullPointerException.class)
+                .isThrownBy(()->new BookSeriesMapping(null, book, 1));
+    }
+}

src/test/java/com/karankumar/booksapi/model/BookSeriesTest.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2021  Karan Kumar
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along with this program.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.karankumar.booksapi.model;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+@DisplayName("Book series should")
+public class BookSeriesTest {
+
+    @Test
+    @DisplayName("throw a null pointer exception on an attempt to create with a null Series Name.")
+    void notAcceptNullSeriesName(){
+        assertThatExceptionOfType(NullPointerException.class)
+                .isThrownBy( ()->new BookSeries(null) );
+    }
+}

src/test/java/com/karankumar/booksapi/repository/AuthorRepositoryTest.java

@@ -33,15 +33,18 @@ class AuthorRepositoryTest {
 
     private final BookRepository bookRepository;
     private final AuthorRepository authorRepository;
+    private final BookSeriesMappingRepository bookSeriesMappingRepository;
 
     @Autowired
-    AuthorRepositoryTest(BookRepository bookRepository, AuthorRepository authorRepository) {
+    AuthorRepositoryTest(BookRepository bookRepository, AuthorRepository authorRepository, BookSeriesMappingRepository bookSeriesMappingRepository) {
         this.bookRepository = bookRepository;
         this.authorRepository = authorRepository;
+        this.bookSeriesMappingRepository = bookSeriesMappingRepository;
     }
 
     @BeforeEach
     void setUp() {
+        bookSeriesMappingRepository.deleteAll();
         authorRepository.deleteAll();
         bookRepository.deleteAll();
     }