From 6b3f0add5fed2409da55108c25b9a5fb076a14f3 Mon Sep 17 00:00:00 2001
From: AndrewBergstrom <andrew.bergstrom88@gmaill.com>
Date: Sat, 25 Feb 2023 17:54:38 -0700
Subject: [PATCH 1/2] Setting up Author and Book class, creating new entities,
 getters, setters, equals, hascodes, and using toString()

---
 .../spring5webapp/domain/Author.java          | 83 +++++++++++++++++
 .../spring5webapp/domain/Book.java            | 91 +++++++++++++++++++
 2 files changed, 174 insertions(+)
 create mode 100644 src/main/java/guru/springframework/spring5webapp/domain/Author.java
 create mode 100644 src/main/java/guru/springframework/spring5webapp/domain/Book.java

diff --git a/src/main/java/guru/springframework/spring5webapp/domain/Author.java b/src/main/java/guru/springframework/spring5webapp/domain/Author.java
new file mode 100644
index 0000000000..3d48ca67dc
--- /dev/null
+++ b/src/main/java/guru/springframework/spring5webapp/domain/Author.java
@@ -0,0 +1,83 @@
+package guru.springframework.spring5webapp.domain;
+
+import javax.persistence.*;
+import java.util.Objects;
+import java.util.Set;
+
+@Entity
+public class Author {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    private String firstName;
+    private String lastName;
+    @ManyToMany(mappedBy ="authors")
+    private Set<Book> books;
+
+    public Author() {
+    }
+
+    public Author(String firstName, String lastName, Set<Book> books) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.books = books;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = 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 Set<Book> getBooks() {
+        return books;
+    }
+
+    public void setBooks(Set<Book> books) {
+        this.books = books;
+    }
+
+    @Override
+    public String toString() {
+        return "Author{" +
+                "id=" + id +
+                ", firstName='" + firstName + '\'' +
+                ", lastName='" + lastName + '\'' +
+                ", books=" + books +
+                '}';
+    }
+
+    // SETTING UP THE EQUALS & HASHCODE FUNCTION
+    @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(id, author.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return id != null ? id.hashCode() : 0;
+    }
+}
diff --git a/src/main/java/guru/springframework/spring5webapp/domain/Book.java b/src/main/java/guru/springframework/spring5webapp/domain/Book.java
new file mode 100644
index 0000000000..a577f12d74
--- /dev/null
+++ b/src/main/java/guru/springframework/spring5webapp/domain/Book.java
@@ -0,0 +1,91 @@
+package guru.springframework.spring5webapp.domain;
+
+import javax.persistence.*;
+import java.util.Objects;
+import java.util.Set;
+
+@Entity
+public class Book {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+
+    private String title;
+    private String isbn;
+
+    /*
+    Setting up the relationships between author and books
+    */
+    @ManyToMany
+    @JoinTable(name = "author_book", joinColumns = @JoinColumn(name = "book_id"),
+    inverseJoinColumns = @JoinColumn(name = "author_id"))
+    private Set<Author> authors;
+
+    public Book() {
+    }
+
+    public Book(String title, String isbn, Set<Author> authors) {
+        this.title = title;
+        this.isbn = isbn;
+
+        this.authors = authors;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getIsbn() {
+        return isbn;
+    }
+
+    public void setIsbn(String isbn) {
+        this.isbn = isbn;
+    }
+
+    public Set<Author> getAuthors() {
+        return authors;
+    }
+
+    public void setAuthors(Set<Author> authors) {
+        this.authors = authors;
+    }
+
+    @Override
+    public String toString() {
+        return "Book{" +
+                "id=" + id +
+                ", title='" + title + '\'' +
+                ", isbn='" + isbn + '\'' +
+                ", authors=" + authors +
+                '}';
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Book book = (Book) o;
+
+        return Objects.equals(id, book.id);
+    }
+
+    @Override
+    public int hashCode() {
+        return id != null ? id.hashCode() : 0;
+    }
+}

From 29d6d78d5407071849e0859eee032b2531c76934 Mon Sep 17 00:00:00 2001
From: AndrewBergstrom <andrew.bergstrom88@gmaill.com>
Date: Sat, 25 Feb 2023 18:02:14 -0700
Subject: [PATCH 2/2] author and book class set up'

---
 .../java/guru/springframework/spring5webapp/domain/Author.java  | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/guru/springframework/spring5webapp/domain/Author.java b/src/main/java/guru/springframework/spring5webapp/domain/Author.java
index 3d48ca67dc..5d578fb591 100644
--- a/src/main/java/guru/springframework/spring5webapp/domain/Author.java
+++ b/src/main/java/guru/springframework/spring5webapp/domain/Author.java
@@ -55,6 +55,8 @@ public void setBooks(Set<Book> books) {
         this.books = books;
     }
 
+
+    // TO STRING FOR JSON TYPE DATA
     @Override
     public String toString() {
         return "Author{" +