feat: adds Randy's library management (#262)

* chore: created classes

* chore: created getters and setters.

* feat: updates to test 1

* Feat: created seperate files for Book,library,Patron.

* feat: update Patron file

* chore: finished Patrontest

* chore: update librarytest

* chore: added new content in library file and book file

* chore: fixing code and tests

Signed-off-by: Anthony D. Mays <[email protected]>

* chore: renaming files

Signed-off-by: Anthony D. Mays <[email protected]>

---------

Signed-off-by: Anthony D. Mays <[email protected]>
Co-authored-by: Anthony D. Mays <[email protected]>

Author: RandyCastr0

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/randycastro/Book.java

@@ -0,0 +1,41 @@
+package com.codedifferently.lesson9.randycastro;
+
+public class Book {
+
+  private String title;
+  private String isbn;
+  private String author;
+  private int page;
+  private boolean checkedOut;
+
+  // constructor for Book
+  public Book(String title, String isbn, String author, int page, boolean checkedOut) {
+    this.title = title;
+    this.isbn = isbn;
+    this.author = author;
+    this.page = page;
+    this.checkedOut = checkedOut;
+  }
+
+  // Getters and Setters
+
+  public String getTitle() {
+    return title;
+  }
+
+  public String getIsbn() {
+    return isbn;
+  }
+
+  public String getAuthor() {
+    return author;
+  }
+
+  public int getPage() {
+    return page;
+  }
+
+  public boolean getCheckedout() {
+    return checkedOut;
+  }
+}

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/randycastro/Library.java

@@ -0,0 +1,36 @@
+package com.codedifferently.lesson9.randycastro;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class Library {
+  // Map to store books by ISBN
+  private Map<String, Book> booksbyISBN;
+  // Map to store patrons by ID
+  private Map<String, Patron> patronsID;
+
+  {
+    this.booksbyISBN = new HashMap<>();
+    this.patronsID = new HashMap<>();
+  }
+
+  // add book
+  public void addBook(String isbn, Book book) {
+    booksbyISBN.put(isbn, book);
+  }
+
+  // remove book
+  public void removeBook(String isbn) {
+    booksbyISBN.remove(isbn);
+  }
+
+  // Getters and Setters
+  public Book getBookByISBN(String isbn) {
+    Book book = booksbyISBN.get(isbn);
+    if (book != null && !book.getCheckedout()) {
+      return book;
+    } else {
+      return null;
+    }
+  }
+}

lesson_09/oop/oop_app/src/main/java/com/codedifferently/lesson9/randycastro/Patron.java

@@ -0,0 +1,22 @@
+package com.codedifferently.lesson9.randycastro;
+
+public class Patron {
+
+  private String name;
+  private String booksCheckedOut;
+
+  // constructor
+  public Patron(String name, String booksCheckedOut) {
+    this.name = name;
+    this.booksCheckedOut = booksCheckedOut;
+  }
+
+  // Getters and Setters
+  public String getName() {
+    return name;
+  }
+
+  public String getbooksCheckedOut() {
+    return booksCheckedOut;
+  }
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/randycastro/BookTest.java

@@ -0,0 +1,36 @@
+package com.codedifferently.lesson9.randycastro;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class BookTest {
+
+  @Test
+  // testing Book constructor
+  // Arrange
+  public void testBookConstructor() {
+    String title = "dd";
+    String isbn = "f32d";
+    String author = "mas";
+    int page = 33;
+    boolean checkedOut = false;
+    // Act
+    Book book = new Book(title, isbn, author, page, checkedOut);
+    // Assert
+    assertEquals(title, book.getTitle());
+    assertEquals(isbn, book.getIsbn());
+    assertEquals(author, book.getAuthor());
+    assertEquals(page, book.getPage());
+    assertEquals(checkedOut, book.getCheckedout());
+  }
+
+  @Test
+  public void testBook() {
+    String title = "The Software Engineer Guidebook";
+    String isbn = "12345e";
+    String author = "Gergely Orosz";
+    int page = 405;
+    boolean checkedOut = false;
+  }
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/randycastro/LibraryTest.java

@@ -0,0 +1,12 @@
+package com.codedifferently.lesson9.randycastro;
+
+import org.junit.jupiter.api.Test;
+
+public class LibraryTest {
+  @Test
+  public void testGetBookByISBN() {
+    Library library = new Library();
+
+    Book retrievedBook1 = library.getBookByISBN("12345e");
+  }
+}

lesson_09/oop/oop_app/src/test/java/com/codedifferently/lesson9/randycastro/Patrontest.java

@@ -0,0 +1,22 @@
+package com.codedifferently.lesson9.randycastro;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+public class Patrontest {
+
+  @Test
+  // testing patron
+  // Arange
+  public void testPatron() {
+    String name = "Randy";
+    String booksCheckedOut = "Code Complete";
+    // Act
+
+    Patron patron = new Patron(name, booksCheckedOut);
+    // Asserts
+    assertEquals(name, patron.getName());
+    assertEquals(booksCheckedOut, patron.getbooksCheckedOut());
+  }
+}